{"title":"Bently Nevada Vibration Transmitters","description":"\u003cp\u003eBently Nevada Vibration Transmitters provide a cost-effective method for integrating vibration monitoring directly into a PLC or DCS without a dedicated monitor rack. The architecture centers on a loop-powered device that converts transducer signals—from \u003ca href=\"https:\/\/www.plcprotech.com\/collections\/bently-nevada-velocity-sensors-accelerometers\"\u003evelocity sensors\u003c\/a\u003e or \u003ca href=\"https:\/\/www.plcprotech.com\/collections\/bently-nevada-3300-xl-proximity-probe\"\u003eproximity probes\u003c\/a\u003e—into a standard 4-20 mA output. Technical characteristics include rugged DIN-rail mountable designs and hazardous area certifications. Functionally, these transmitters enable plant operators to receive continuous machinery health data for \"balance of plant\" equipment like motors and blowers. By simplifying the signal chain, they provide essential protection and trending capabilities, often used alongside \u003ca href=\"https:\/\/www.plcprotech.com\/collections\/bently-nevada-3300-xl-proximitor-sensor\"\u003e3300 XL sensors\u003c\/a\u003e to facilitate an integrated approach to plant-wide condition monitoring and predictive maintenance strategies.\u003c\/p\u003e","products":[{"product_id":"bently-nevada-991-06-70-01-05-991-thrust-transmitter","title":"Bently Nevada 991-06-70-01-05 991 Thrust Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 991-06-70-01-05\u003c\/strong\u003e is a two-wire, loop-powered \u003cstrong\u003ethrust transmitter\u003c\/strong\u003e designed to measure the relative axial position of a rotating machine shaft. It accepts input from a \u003cstrong\u003e3300 NSv proximity probe\u003c\/strong\u003e and extension cable, converting the proximity signal into a proportional 4 to 20 mA current output. This device integrates directly with Programmable Logic Controllers (PLCs), Distributed Control Systems (DCSs), and SCADA networks to provide continuous machinery protection and condition monitoring. Typical industrial applications include small steam turbines, pumps, fans, and compressors where a full machinery protection system monitor rack is not required.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-wire, 4 to 20 mA loop-powered current output\u003c\/li\u003e\n\u003cli\u003eDesigned for non-contacting shaft axial displacement measurement\u003c\/li\u003e\n\u003cli\u003eCompatible with \u003cstrong\u003e3300 NSv proximity probe\u003c\/strong\u003e and extension cable\u003c\/li\u003e\n\u003cli\u003eIntegrated BNC connector for dynamic vibration signal access and diagnostics\u003c\/li\u003e\n\u003cli\u003eDIN rail or panel mounting configurations\u003c\/li\u003e\n\u003cli\u003eNon-interacting zero and span adjustments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentrifugal and axial compressors\u003c\/li\u003e\n\u003cli\u003eIndustrial fans and blowers\u003c\/li\u003e\n\u003cli\u003eProcess pumps\u003c\/li\u003e\n\u003cli\u003eSmall steam turbines and turbo-generators\u003c\/li\u003e\n\u003cli\u003eCooling tower fans\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOption Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e991\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThrust Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e06\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull-scale Option: 0.6-0-0.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e70\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem Length Option: 7.0 meters (23.0 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e01\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMounting Option: 35 mm DIN-rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e05\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAgency Approval Option: Multiple Approvals (CSA NRTL\/C, ATEX Zone 0, ATEX)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhysical\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximate Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eDimension: Overall Length\u003c\/td\u003e\n\u003ctd\u003e100.1 mm (3.94 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eDimension: Overall Width\u003c\/td\u003e\n\u003ctd\u003e73.9 mm (2.91 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eDimension: Body Height (without DIN clip)\u003c\/td\u003e\n\u003ctd\u003e42.6 mm (1.68 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eDimension: Total Height (with BNC\/DIN clip)\u003c\/td\u003e\n\u003ctd\u003e53.3 mm (2.10 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eMounting Hole Distance (Lengthwise)\u003c\/td\u003e\n\u003ctd\u003e69.9 mm (2.75 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eMounting Hole Distance (Widthwise)\u003c\/td\u003e\n\u003ctd\u003e63.5 mm (2.50 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eMounting Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e5.8 mm (0.23 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e12 to 35 Vdc (at the transmitter terminal block)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eCurrent Output\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA (Linear over 1.2 mm range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eOutput Sensitivity\u003c\/td\u003e\n\u003ctd\u003e12.8 mA\/mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eNominal Zero Output\u003c\/td\u003e\n\u003ctd\u003e12 mA (centered in the linear displacement range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDynamic\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003eDC to 10 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eBNC Connector Output\u003c\/td\u003e\n\u003ctd\u003eRaw proximity probe voltage buffered (Nominal 7.87 V\/mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironmental\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-35 to +85 Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +100 Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e100% condensing, non-submerged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTerminal \/ Connector\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePROX\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProximity Probe Input Terminal Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCOM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSignal Common \/ System Ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e+4-20mA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePositive Loop Power \/ Current Output Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-4-20mA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNegative Loop Power \/ Current Output Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBNC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDynamic Signal Output (Buffered Proximity Voltage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003ch3\u003eDimensions and Mounting\u003c\/h3\u003e\n\u003cp\u003eThe module accommodates both panel (bulkhead) and DIN rail mounting options. When using the panel mount configuration, prepare four mounting holes with a spacing layout of 69.9 mm by 63.5 mm. Use the standard 5.8 mm diameter mounting holes or the supplied 6-32 x 1.326 screws for secure bulkhead fixation. For DIN rail configurations, ensure a standard 35 mm DIN rail is rigidly installed before snapping on the transmitter's DIN mount clips.\u003c\/p\u003e\n\u003ch3\u003eGrounding and Shielding\u003c\/h3\u003e\n\u003cp\u003eProper grounding is essential to minimize noise interference. The transmitter must be mounted to a grounded plate or a grounded DIN rail. Ensure the cable shield is grounded at only one end, typically at the control room\/DCS side, to prevent ground loops.\u003c\/p\u003e\n\u003ch3\u003eProbe Gap Adjustment\u003c\/h3\u003e\n\u003cp\u003eBefore final commissioning, the proximity probe must be physically positioned (gapped) relative to the shaft target. Adjust the gap until the transmitter output reads approximately 12 mA, which corresponds to the midpoint of the linear thrust range.\u003c\/p\u003e\n\u003ch3\u003eCable Routing\u003c\/h3\u003e\n\u003cp\u003eRun probe and loop cables in dedicated, grounded metal conduits or cable trays. Avoid routing transmitter cables parallel to high-voltage AC power lines or heavy machinery switching circuits to prevent electro-magnetic interference (EMI).\u003c\/p\u003e\n\u003ch3\u003eHazardous Area Precautions\u003c\/h3\u003e\n\u003cp\u003eWhen installed in classified areas, appropriate intrinsic safety barriers or explosion-proof housings must be utilized in accordance with local electrical codes and the specific installation drawings provided by the manufacturer.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary function of this thrust transmitter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt measures the axial displacement or thrust position of a rotating machine shaft relative to a fixed reference point using a non-contacting proximity probe.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of probe system is compatible with this transmitter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is designed specifically to interface with a Bently Nevada 3300 NSv proximity probe and extension cable system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the device powered?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is a loop-powered device operating on a 12 to 35 Vdc supply connected via the 4 to 20 mA current loop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the BNC connector provide?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe BNC connector provides a buffered raw voltage signal proportional to the probe gap distance, allowing engineers to connect diagnostic equipment like oscilloscopes or analyzers without disconnecting the loop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this device be used for radial vibration measurements?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, this specific model is configured and calibrated for thrust (axial) position measurement. For radial vibration, a 990 Vibration Transmitter should be used.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the exact physical footprints required for panel mounting?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe footprint spacing required for the four mounting holes is 69.9 mm (2.75 in) lengthways by 63.5 mm (2.50 in) widthways, using holes with a diameter of 5.8 mm.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666532331883,"sku":"991-06-70-01-05","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-991-06-70-01-05-thrust-transmitter-qhotjgv0b0p_f70d5973-876a-48ff-ba1a-79a255c6a650.jpg?v=1765440374"},{"product_id":"bently-nevada-991-25-50-02-05-991-thrust-transmitter","title":"Bently Nevada 991-25-50-02-05 991 Thrust Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e991 Thrust Transmitter\u003c\/strong\u003e converts axial shaft displacement signals into a proportional 4 to 20 mA output for machinery control and protection systems. The unit is designed for centrifugal air compressors, pumps, motors, and fans requiring continuous thrust position monitoring through a simple loop-powered interface.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 991-25-50-02-05\u003c\/strong\u003e is a 2-wire loop-powered transmitter compatible with the 3300 NSv proximity probe system using a 5 m extension cable configuration. The transmitter conditions the probe signal into engineering units proportional to shaft axial position and transmits the signal directly to PLC, DCS, or machinery protection systems.\u003c\/p\u003e\n\u003cp\u003eThe transmitter integrates the Proximitor sensor internally and does not require an external signal conditioning module. Diagnostic access is available through non-isolated PROX OUT and COM terminals together with a coaxial connector for vibration and gap voltage monitoring.\u003c\/p\u003e\n\u003cp\u003eThe unit supports bulkhead mounting and includes non-interacting zero and span adjustments for loop calibration. A dedicated test input pin allows verification of loop output using a variable DC voltage source.\u003c\/p\u003e\n\u003cp\u003eThe potted housing design supports installation in high-humidity industrial environments. The transmitter is commonly used in OEM rotating machinery packages where compact thrust monitoring is required.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2-wire loop-powered transmitter\u003c\/li\u003e\n\u003cli\u003e4 to 20 mA proportional thrust output\u003c\/li\u003e\n\u003cli\u003eCompatible with 3300 NSv proximity probes\u003c\/li\u003e\n\u003cli\u003eIntegrated Proximitor sensor design\u003c\/li\u003e\n\u003cli\u003eDynamic vibration and gap voltage output\u003c\/li\u003e\n\u003cli\u003eBulkhead mounting configuration\u003c\/li\u003e\n\u003cli\u003eNon-interacting zero and span adjustments\u003c\/li\u003e\n\u003cli\u003ePower-up inhibit circuit\u003c\/li\u003e\n\u003cli\u003eNOT OK signal defeat protection\u003c\/li\u003e\n\u003cli\u003eSupports diagnostic signal access\u003c\/li\u003e\n\u003cli\u003ePotted construction for humid environments\u003c\/li\u003e\n\u003cli\u003eSuitable for compressors, pumps, motors, and fans\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentrifugal air compressors\u003c\/li\u003e\n\u003cli\u003eIndustrial pumps\u003c\/li\u003e\n\u003cli\u003eElectric motors\u003c\/li\u003e\n\u003cli\u003eRotating machinery packages\u003c\/li\u003e\n\u003cli\u003eOEM skid systems\u003c\/li\u003e\n\u003cli\u003eTurbomachinery thrust monitoring\u003c\/li\u003e\n\u003cli\u003eMachinery protection systems\u003c\/li\u003e\n\u003cli\u003ePLC and DCS monitoring interfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCode\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e991\u003c\/td\u003e\n\u003ctd\u003eThrust Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e+\/-25 mils full-scale range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e5.0 m system length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e02\u003c\/td\u003e\n\u003ctd\u003eBulkhead mounting screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e05\u003c\/td\u003e\n\u003ctd\u003eAgency approval option\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eThrust Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e991-25-50-02-05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003e991\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003e3300 NSv proximity probe and extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length\u003c\/td\u003e\n\u003ctd\u003e5.0 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Output\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mAdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e12 to 35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoop Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-1.5% full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Loop Resistance\u003c\/td\u003e\n\u003ctd\u003e1000 Ohm at 35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003eDC to 10 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Limiting\u003c\/td\u003e\n\u003ctd\u003e23 mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;100 us fault response\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-35 degC to +85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-51 degC to +100 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e100% condensing, non-submerged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal System Weight\u003c\/td\u003e\n\u003ctd\u003e0.82 kg typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e100 x 74 x 53.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Method\u003c\/td\u003e\n\u003ctd\u003eBulkhead mounting screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Cable Type\u003c\/td\u003e\n\u003ctd\u003e75 Ohm coaxial FEP insulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransducer Case Material\u003c\/td\u003e\n\u003ctd\u003eAISI 303 or 304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransducer Tip Material\u003c\/td\u003e\n\u003ctd\u003ePolyphenylene sulfide (PPS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConnector Pin\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eE1-E2\u003c\/td\u003e\n\u003ctd\u003ePower supply and 4-20 mA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE3-E4\u003c\/td\u003e\n\u003ctd\u003eProximitor connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJ2\u003c\/td\u003e\n\u003ctd\u003ePROX OUT diagnostic connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJ3\u003c\/td\u003e\n\u003ctd\u003eProbe connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePROX OUT\u003c\/td\u003e\n\u003ctd\u003eDynamic vibration signal output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM\u003c\/td\u003e\n\u003ctd\u003eCommon diagnostic terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the transmitter in a dry control enclosure or protected machinery panel area. Maintain proper shielding and grounding practices for all probe and signal cables to reduce EMI and RFI interference.\u003c\/p\u003e\n\u003cp\u003eRoute proximity probe cables separately from high-voltage power wiring. Avoid excessive bending or mechanical stress on coaxial cables during installation.\u003c\/p\u003e\n\u003cp\u003eVerify probe gap adjustment according to the machinery shaft position requirements before commissioning. Incorrect probe positioning may prevent full-scale measurement operation.\u003c\/p\u003e\n\u003cp\u003eUse isolated diagnostic equipment when accessing the PROX OUT signal. The diagnostic output is non-isolated from the 4 to 20 mA loop.\u003c\/p\u003e\n\u003cp\u003eProvide sufficient ventilation around the transmitter when installed in enclosed cabinets with elevated ambient temperatures.\u003c\/p\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eStandard\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFCC Part 15\u003c\/td\u003e\n\u003ctd\u003eEMC compliance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEN 61000-6-2\u003c\/td\u003e\n\u003ctd\u003eEMC immunity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEN 61000-6-4\u003c\/td\u003e\n\u003ctd\u003eEMC emissions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEMC Directive 2014\/30\/EU\u003c\/td\u003e\n\u003ctd\u003eEuropean EMC compliance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATEX Directive 2014\/34\/EU\u003c\/td\u003e\n\u003ctd\u003eHazardous area approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoHS Directive 2011\/65\/EU\u003c\/td\u003e\n\u003ctd\u003eRoHS compliance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eABS 2009 Steel Vessels Rules\u003c\/td\u003e\n\u003ctd\u003eMaritime approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCSA\/NRTL\/C Class I Div 2\u003c\/td\u003e\n\u003ctd\u003eHazardous location approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATEX\/IECEx Ex ia IIC T4 Ga\u003c\/td\u003e\n\u003ctd\u003eIntrinsically safe approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the 991 transmitter measure?\u003c\/strong\u003e\u003cbr\u003eIt measures axial shaft displacement and converts the signal into a proportional 4 to 20 mA output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich probe system is compatible with this transmitter?\u003c\/strong\u003e\u003cbr\u003eThe unit is designed for use with the 3300 NSv proximity probe system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the transmitter loop powered?\u003c\/strong\u003e\u003cbr\u003eYes. It operates as a 2-wire loop-powered device.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the transmitter provide vibration diagnostics?\u003c\/strong\u003e\u003cbr\u003eYes. The PROX OUT connection provides dynamic vibration and gap voltage signals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mounting method does this version use?\u003c\/strong\u003e\u003cbr\u003eThis model uses bulkhead mounting screws.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the transmitter require an external Proximitor module?\u003c\/strong\u003e\u003cbr\u003eNo. The Proximitor sensor is integrated into the transmitter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the output signal type?\u003c\/strong\u003e\u003cbr\u003eThe standard output is 4 to 20 mAdc.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the transmitter connect directly to a PLC or DCS?\u003c\/strong\u003e\u003cbr\u003eYes. The output is suitable for standard industrial control system analog inputs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the supported operating temperature range?\u003c\/strong\u003e\u003cbr\u003eThe operating range is -35 degC to +85 degC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the housing suitable for humid environments?\u003c\/strong\u003e\u003cbr\u003eYes. The potted construction supports high-humidity environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens during a probe fault condition?\u003c\/strong\u003e\u003cbr\u003eThe NOT OK circuit drives the output below 3.6 mA during a fault condition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the loop output be tested without machinery movement?\u003c\/strong\u003e\u003cbr\u003eYes. A test input pin supports loop verification using a variable DC source.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the transmitter support hazardous area installations?\u003c\/strong\u003e\u003cbr\u003eYes. The unit includes CSA and ATEX\/IECEx approvals depending on configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat industries commonly use this transmitter?\u003c\/strong\u003e\u003cbr\u003eIt is widely used in compressor, pump, motor, and rotating equipment monitoring systems.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666539508075,"sku":"991-25-50-02-05","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-991-25-50-02-05-sensor-proximity-0t0frsy3a1c_f409c99a-d085-41f0-8c60-aad1f927cbb1.jpg?v=1765440452"},{"product_id":"bently-nevada-991-25-70-01-00-991-thrust-transmitter","title":"Bently Nevada 991-25-70-01-00 991 Thrust Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 991-25-70-01-00\u003c\/strong\u003e is a two-wire, loop-powered \u003cstrong\u003ethrust transmitter\u003c\/strong\u003e designed primarily for original equipment manufacturers (OEMs) of centrifugal air compressors, small pumps, motors, or fans. It accepts input signals from a \u003cstrong\u003e3300 NSv proximity probe\u003c\/strong\u003e and matching extension cable, transforming displacement data into a simple 4 to 20 mA proportional axial displacement (\u003cstrong\u003ethrust\u003c\/strong\u003e) signal. This configuration enables seamless integration directly into a machinery control system, PLC, or DCS without requiring an external Proximitor sensor unit.\u003c\/p\u003e\n\u003cp\u003eThe device features non-isolated \"PROX OUT\" and \"COM\" terminals alongside a coaxial connector, providing a dynamic vibration and gap voltage signal output for machinery diagnostics and maintenance verification.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated Proximitor sensor functionality eliminates the need for a separate signal conditioning unit.\u003c\/li\u003e\n\u003cli\u003eDirect 4 to 20 mA current loop output matches standard machinery control system inputs.\u003c\/li\u003e\n\u003cli\u003eDynamic diagnostic signal output via non-isolated coaxial connector for convenient troubleshooting.\u003c\/li\u003e\n\u003cli\u003eDesigned for compatibility with 3300 NSv proximity probe systems.\u003c\/li\u003e\n\u003cli\u003eRobust design tailored for mounting near monitored machinery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentrifugal air compressors axial displacement monitoring\u003c\/li\u003e\n\u003cli\u003eIndustrial pumps and fans machinery protection systems\u003c\/li\u003e\n\u003cli\u003eSmall electric motors thrust bearing wear detection\u003c\/li\u003e\n\u003cli\u003eBalance drum monitoring on high-pressure fluid machinery\u003c\/li\u003e\n\u003cli\u003eBalance piston position tracking in rotating equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003ch3\u003e991-25-70-01-00\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e991\u003c\/strong\u003e: Thrust Transmitter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25\u003c\/strong\u003e: Full-scale option: 25-0-25 mils\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70\u003c\/strong\u003e: System length option: 7.0 metres (23.0 feet)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e01\u003c\/strong\u003e: Mounting option: 35 mm DIN-rail clips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e00\u003c\/strong\u003e: Agency approval option: Not required \/ Standard approvals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBently Nevada (Baker Hughes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e991-25-70-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThrust Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnited States (USA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFull-Scale Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25-0-25 mils\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.0 meters (23.0 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN-rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAgency Approvals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo hazardous area approvals required (-00 option)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 to 35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA DC proportional axial displacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProximity Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 to 65 mils\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Stability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScale factor within plus\/minus 10% of 7.87 mV\/micrometer (200 mV\/mil) from 0 degC to 70 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmitter Operating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-35 degC to +85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmitter Storage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-51 degC to +100 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Output Maximum Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13 km (8 miles) maximum between transmitter and receiving device\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProximitor Output Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMaximum cable distance of 3 meters (10 feet) via BNC connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApproximate Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.43 kg (unit only) \/ Shipping weight approx 2.00 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApproximate Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 mm x 74 mm x 53.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eConnector Pin \/ Terminal\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePROX OUT\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-isolated dynamic transducer signal for diagnostics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCOM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCommon \/ Ground return reference point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSIG\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA loop current signal output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePWR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePositive loop power supply input terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoaxial Connector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect connection point for 3300 NSv probe matching extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003ch3\u003eDIN Rail Installation\u003c\/h3\u003e\n\u003cp\u003eMount the transmitter using the pre-installed 35 mm DIN-rail clips. Ensure the rail is properly grounded and located in an area with minimal physical exposure to falling debris or direct process fluid leaks.\u003c\/p\u003e\n\u003ch3\u003eShielding and Grounding\u003c\/h3\u003e\n\u003cp\u003eAlways employ twisted, shielded pair cabling for the 4 to 20 mA loop connections. Connect the cable shield to the instrumentation ground at the control system or DCS side only. Do not ground the shield at both ends to avoid ground loop current errors.\u003c\/p\u003e\n\u003ch3\u003eCable Routing\u003c\/h3\u003e\n\u003cp\u003eRun the signal cables away from high-voltage AC power lines, electric motor feed cables, or switching relays to minimize EMI\/RFI noise interference on the low-voltage 4 to 20 mA loop signal.\u003c\/p\u003e\n\u003ch3\u003eProbe Gap Adjustment\u003c\/h3\u003e\n\u003cp\u003eSet the initial probe gap using the \"PROX OUT\" and \"COM\" terminals to monitor the initial DC gap voltage. Verify that the physical distance between the probe tip and the target material places the output safely within the linear operation range of 10 to 65 mils.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary function of the Bently Nevada 991?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt converts raw proximity probe data into a standard 4 to 20 mA loop signal representing axial shaft displacement or thrust.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich proximity probe family is compatible with this model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis model is designed specifically to interface with the Bently Nevada 3300 NSv proximity probe series and matching extension cables.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat power supply is required to drive the transmitter loop?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe transmitter operates on a standard loop power supply ranging between 12 Vdc and 35 Vdc.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I read raw dynamic signals while the transmitter is running?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the transmitter includes a non-isolated BNC coaxial connector and PROX OUT terminals to capture dynamic gap and vibration signals for diagnostic analysis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mounting option does the 991-25-70-01-00 feature?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis configuration includes integrated 01-option mounting hardware suited for standard 35 mm DIN rails.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666541605227,"sku":"991-25-70-01-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-991-25-70-01-00-991-thrust-transmitter-czcnkkkmhcj_abbb7e1f-2cf6-410b-91de-238f48d0cb95.jpg?v=1765440474"},{"product_id":"bently-nevada-990-05-70-01-00-990-2-wire-vibration-transmitter","title":"Bently Nevada 990-05-70-01-00 990 2-Wire Vibration Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 990-05-70-01-00\u003c\/strong\u003e is a compact vibration transmitter designed for continuous monitoring of rotating machinery in industrial process systems. It converts shaft vibration signals from a compatible 3300 NSv proximity probe into a standard 4 to 20 mA output suitable for direct connection to PLC, DCS, and machine protection platforms.\u003c\/p\u003e\n\u003cp\u003eThis configuration uses a 7.0 metre transducer system and supports installations where extended probe cable routing is required between the machine casing and control cabinet. The integrated signal conditioning electronics simplify field installation by eliminating the need for a separate external proximitor assembly.\u003c\/p\u003e\n\u003cp\u003eThe transmitter housing is fully potted to improve reliability in humid environments commonly found around compressors, pumps, and auxiliary process equipment. A dedicated PROX OUT connection is also available for temporary vibration analysis and diagnostic measurements during maintenance activities.\u003c\/p\u003e\n\u003cp\u003eFactory calibration adjustments are accessible beneath the transmitter label, allowing field technicians to fine-tune loop output without disassembling the enclosure.\u003c\/p\u003e\n\u003ch3\u003eKey Functions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eContinuous shaft vibration monitoring\u003c\/li\u003e\n\u003cli\u003e4 to 20 mA proportional signal transmission\u003c\/li\u003e\n\u003cli\u003eIntegrated Proximitor sensor electronics\u003c\/li\u003e\n\u003cli\u003eDynamic signal access through PROX OUT\u003c\/li\u003e\n\u003cli\u003eLoop-powered two-wire operation\u003c\/li\u003e\n\u003cli\u003eProbe fault detection and signal defeat logic\u003c\/li\u003e\n\u003cli\u003eExternal zero and span calibration\u003c\/li\u003e\n\u003cli\u003eDIN rail mounting support\u003c\/li\u003e\n\u003cli\u003eCompact form factor for OEM panels\u003c\/li\u003e\n\u003cli\u003eMoisture-resistant encapsulated construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Installations\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eEquipment Type\u003c\/th\u003e\n\u003cth\u003eMonitoring Purpose\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCentrifugal compressors\u003c\/td\u003e\n\u003ctd\u003eRadial shaft vibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndustrial motors\u003c\/td\u003e\n\u003ctd\u003eBearing vibration trending\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcess pumps\u003c\/td\u003e\n\u003ctd\u003eGeneral machine condition monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFans and blowers\u003c\/td\u003e\n\u003ctd\u003eRotating assembly protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM machinery skids\u003c\/td\u003e\n\u003ctd\u003eIntegrated vibration feedback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUtility systems\u003c\/td\u003e\n\u003ctd\u003ePredictive maintenance programs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eOption\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e990 - Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-scale Option\u003c\/td\u003e\n\u003ctd\u003e05 - 0-5 mils pp (0-125 um pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length Option\u003c\/td\u003e\n\u003ctd\u003e70 - 7.0 metres (23.0 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Option\u003c\/td\u003e\n\u003ctd\u003e01 - 35 mm DIN rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Approval Option\u003c\/td\u003e\n\u003ctd\u003e00 - Not required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e990-05-70-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e2-Wire Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew and Original in Factory Packing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFactory Warranty\u003c\/td\u003e\n\u003ctd\u003e12 Months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eU.S.A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Device\u003c\/td\u003e\n\u003ctd\u003e3300 NSv proximity probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Type\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mAdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Method\u003c\/td\u003e\n\u003ctd\u003e2-wire loop powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-scale Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-1.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Limiting\u003c\/td\u003e\n\u003ctd\u003e23 mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e5 Hz to 6000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Gap Requirement\u003c\/td\u003e\n\u003ctd\u003e0.5 to 1.75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Loop Resistance\u003c\/td\u003e\n\u003ctd\u003e1000 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e100% condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-35 degC to +85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-52 degC to +100 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Operating Temperature\u003c\/td\u003e\n\u003ctd\u003e-52 degC to +177 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Material\u003c\/td\u003e\n\u003ctd\u003eAISI 303 or 304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Construction\u003c\/td\u003e\n\u003ctd\u003e75 Ohm coaxial FEP insulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal System Weight\u003c\/td\u003e\n\u003ctd\u003e0.82 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e53.3 mm x 73.9 mm x 100.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInterface Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConnection\u003c\/th\u003e\n\u003cth\u003ePurpose\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePROX OUT\u003c\/td\u003e\n\u003ctd\u003eDynamic vibration output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM\u003c\/td\u003e\n\u003ctd\u003eSignal common\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTEST Input\u003c\/td\u003e\n\u003ctd\u003eLoop verification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Power Input\u003c\/td\u003e\n\u003ctd\u003eTransmitter supply voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4-20 mA Output\u003c\/td\u003e\n\u003ctd\u003eProcess control signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp\u003eInstall the transmitter on a properly grounded DIN rail inside a protected control enclosure. Maintain separation between transducer wiring and high-voltage power cables to reduce electrical interference.\u003c\/p\u003e\n\u003cp\u003eProbe target gap should be verified before startup to ensure proper linear response. When using portable analyzers or oscilloscopes for diagnostics, isolated test equipment is recommended for the PROX OUT connection.\u003c\/p\u003e\n\u003cp\u003eThe encapsulated housing supports high-humidity operation, but exposed connectors should still be protected from standing moisture and direct washdown conditions.\u003c\/p\u003e\n\u003cp\u003eAvoid excessive thread engagement during probe installation. Over-tightening may cause mechanical binding inside threaded mounting locations.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the transmitter measure?\u003c\/strong\u003e\u003cbr\u003eIt measures shaft vibration from a compatible proximity probe system and converts the signal into a 4 to 20 mA output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich probe system is required?\u003c\/strong\u003e\u003cbr\u003eThe transmitter is designed for Bently Nevada 3300 NSv probe assemblies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this version include hazardous area approvals?\u003c\/strong\u003e\u003cbr\u003eNo. The -00 approval option indicates standard non-hazardous configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mounting hardware is included?\u003c\/strong\u003e\u003cbr\u003eThis model includes 35 mm DIN rail clips.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the unit connect directly to a PLC?\u003c\/strong\u003e\u003cbr\u003eYes. The analog output is intended for PLC and DCS analog input channels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the transmitter loop powered?\u003c\/strong\u003e\u003cbr\u003eYes. It operates from a two-wire loop-powered circuit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the supported cable system length?\u003c\/strong\u003e\u003cbr\u003eThis version uses a 7.0 metre transducer system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan technicians access raw vibration signals?\u003c\/strong\u003e\u003cbr\u003eYes. The PROX OUT connection provides dynamic signal access for diagnostics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens during a probe failure?\u003c\/strong\u003e\u003cbr\u003eThe output drops below 3.6 mA to indicate a NOT OK condition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs field calibration supported?\u003c\/strong\u003e\u003cbr\u003eYes. Zero and span adjustments are accessible externally.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat environments is the housing designed for?\u003c\/strong\u003e\u003cbr\u003eThe potted construction supports high-humidity industrial environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the transmitter perform vibration phase analysis?\u003c\/strong\u003e\u003cbr\u003eNo. The 4 to 20 mA output is intended for overall vibration trending only.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666547536235,"sku":"990-05-70-01-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-05-70-01-00-990-vibration-transmitter-ag0r2xbfqwa_90db2fd6-9baa-4c27-9b59-19c2d833a0b2.jpg?v=1765440533"},{"product_id":"bently-nevada-990-05-50-01-00-990-2-wire-vibration-transmitter","title":"Bently Nevada 990-05-50-01-00 | 990 2-Wire Vibration Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eDesigned for direct integration into rotating equipment control systems, the \u003cstrong\u003e990 2-Wire Vibration Transmitter\u003c\/strong\u003e converts shaft vibration measurements into a standard 4 to 20 mA output signal for PLC, DCS, and machinery protection applications. The transmitter operates with a matching 3300 NSv proximity probe and extension cable assembly to monitor peak-to-peak vibration levels on compressors, motors, pumps, and industrial fans.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada\u003c\/strong\u003e transmitter combines signal conditioning electronics and the Proximitor sensor into a single compact housing, reducing external hardware requirements and simplifying installation inside OEM equipment packages. Its potted construction supports operation in high-humidity environments, while the integrated PROX OUT connection allows access to dynamic vibration signals for troubleshooting and machinery diagnostics.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e990-05-50-01-00\u003c\/strong\u003e configuration includes a 5.0 metre system length, 35 mm DIN rail mounting clips, and standard non-hazardous area approval configuration.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-wire loop-powered transmitter design\u003c\/li\u003e\n\u003cli\u003eIntegrated Proximitor sensor assembly\u003c\/li\u003e\n\u003cli\u003e4 to 20 mA vibration output\u003c\/li\u003e\n\u003cli\u003eSupports 3300 NSv probe systems\u003c\/li\u003e\n\u003cli\u003eExternal zero and span calibration adjustments\u003c\/li\u003e\n\u003cli\u003ePROX OUT diagnostic signal connection\u003c\/li\u003e\n\u003cli\u003eSignal defeat protection during probe faults\u003c\/li\u003e\n\u003cli\u003eFast NOT OK response output\u003c\/li\u003e\n\u003cli\u003eDIN rail mounting configuration\u003c\/li\u003e\n\u003cli\u003eCompact enclosure for restricted installation areas\u003c\/li\u003e\n\u003cli\u003eHigh resistance to moisture and condensation\u003c\/li\u003e\n\u003cli\u003eCompatible with portable diagnostic instruments\u003c\/li\u003e\n\u003cli\u003eFrequency response up to 6000 Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentrifugal compressor skids\u003c\/li\u003e\n\u003cli\u003eMotor vibration monitoring\u003c\/li\u003e\n\u003cli\u003eAPI rotating equipment packages\u003c\/li\u003e\n\u003cli\u003eFan and blower assemblies\u003c\/li\u003e\n\u003cli\u003ePump protection systems\u003c\/li\u003e\n\u003cli\u003eOEM machinery panels\u003c\/li\u003e\n\u003cli\u003eGeneral machinery health trending\u003c\/li\u003e\n\u003cli\u003eProcess automation systems\u003c\/li\u003e\n\u003cli\u003eVibration monitoring retrofit projects\u003c\/li\u003e\n\u003cli\u003eCompact machinery installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e990 - Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e2-Wire Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-scale Option\u003c\/td\u003e\n\u003ctd\u003e05 = 0-5 mils pp (0-125 um pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length Option\u003c\/td\u003e\n\u003ctd\u003e50 = 5.0 metres (16.4 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Option\u003c\/td\u003e\n\u003ctd\u003e01 = 35 mm DIN rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Approval Option\u003c\/td\u003e\n\u003ctd\u003e00 = Not required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003e990-05-50-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eVibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Manufacture\u003c\/td\u003e\n\u003ctd\u003eU.S.A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal\u003c\/td\u003e\n\u003ctd\u003e3300 NSv proximity probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtension Cable Support\u003c\/td\u003e\n\u003ctd\u003e5 m and 7 m systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mAdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Configuration\u003c\/td\u003e\n\u003ctd\u003e2-wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Scale Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-1.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Loop Resistance\u003c\/td\u003e\n\u003ctd\u003e1000 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Limit\u003c\/td\u003e\n\u003ctd\u003e23 mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Gap Range\u003c\/td\u003e\n\u003ctd\u003e0.5 to 1.75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Impedance\u003c\/td\u003e\n\u003ctd\u003e10 kOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProx Out Linear Range\u003c\/td\u003e\n\u003ctd\u003e1.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncremental Scale Factor\u003c\/td\u003e\n\u003ctd\u003e7.87 mV\/um (200 mV\/mil)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e5 Hz to 6000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Noise Level\u003c\/td\u003e\n\u003ctd\u003e50 mV\/pp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Target Diameter\u003c\/td\u003e\n\u003ctd\u003e9.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Cable Length\u003c\/td\u003e\n\u003ctd\u003e3 m maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-35 degC to +85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-52 degC to +100 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Operating Temperature\u003c\/td\u003e\n\u003ctd\u003e-52 degC to +177 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e100% condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Tip Material\u003c\/td\u003e\n\u003ctd\u003ePolyphenylene sulfide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Housing Material\u003c\/td\u003e\n\u003ctd\u003eAISI 303 or 304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Cable Type\u003c\/td\u003e\n\u003ctd\u003e75 Ohm coaxial FEP insulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptional Armor Material\u003c\/td\u003e\n\u003ctd\u003eAISI 302 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Strength\u003c\/td\u003e\n\u003ctd\u003e222 N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e53.3 mm x 73.9 mm x 100.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Height\u003c\/td\u003e\n\u003ctd\u003e42.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Distance\u003c\/td\u003e\n\u003ctd\u003e63.5 mm x 69.9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e5.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal System Weight\u003c\/td\u003e\n\u003ctd\u003e0.82 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eInterface\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePROX OUT Connector\u003c\/td\u003e\n\u003ctd\u003eDynamic vibration output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM Terminal\u003c\/td\u003e\n\u003ctd\u003eSignal common\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTEST Pin\u003c\/td\u003e\n\u003ctd\u003eLoop verification input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Terminal\u003c\/td\u003e\n\u003ctd\u003eDC supply input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4-20 mA Loop\u003c\/td\u003e\n\u003ctd\u003eControl system signal output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the transmitter on a grounded DIN rail inside a suitable industrial enclosure.\u003c\/li\u003e\n\u003cli\u003eMaintain correct probe target gap before system calibration.\u003c\/li\u003e\n\u003cli\u003eRoute transducer cables separately from high-voltage wiring.\u003c\/li\u003e\n\u003cli\u003eUse shielded cable practices to reduce electrical interference.\u003c\/li\u003e\n\u003cli\u003eProtect the PROX OUT connector from moisture contamination.\u003c\/li\u003e\n\u003cli\u003eVerify loop power supply voltage before startup.\u003c\/li\u003e\n\u003cli\u003eAvoid excessive probe thread engagement during installation.\u003c\/li\u003e\n\u003cli\u003eUse isolated diagnostic equipment when monitoring vibration waveforms.\u003c\/li\u003e\n\u003cli\u003eEnsure proper ventilation around control cabinet components.\u003c\/li\u003e\n\u003cli\u003eConfirm loop resistance remains within specified limits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat signal does the transmitter output?\u003c\/strong\u003e\u003cbr\u003eThe device provides a proportional 4 to 20 mA vibration signal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich probe family is supported?\u003c\/strong\u003e\u003cbr\u003eThe transmitter is designed for use with 3300 NSv proximity probes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the unit be mounted on DIN rail?\u003c\/strong\u003e\u003cbr\u003eYes. This configuration includes 35 mm DIN rail clips.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs an external proximitor required?\u003c\/strong\u003e\u003cbr\u003eNo. The Proximitor sensor electronics are integrated into the housing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat machinery types commonly use this transmitter?\u003c\/strong\u003e\u003cbr\u003eCompressors, pumps, motors, and industrial fans commonly use this device.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the transmitter support hazardous locations?\u003c\/strong\u003e\u003cbr\u003eThis specific configuration does not include hazardous area approvals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum operating frequency?\u003c\/strong\u003e\u003cbr\u003eThe frequency response extends to 6000 Hz.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is vibration data transmitted to the control system?\u003c\/strong\u003e\u003cbr\u003eThe signal is transmitted through a two-wire 4 to 20 mA loop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the PROX OUT connection be used for diagnostics?\u003c\/strong\u003e\u003cbr\u003eYes. It provides access to dynamic vibration signals for analysis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens during a probe fault condition?\u003c\/strong\u003e\u003cbr\u003eThe output falls below 3.6 mA to indicate a NOT OK condition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the recommended maximum diagnostic cable length?\u003c\/strong\u003e\u003cbr\u003eThe recommended maximum length is 3 meters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the transmitter operate in humid environments?\u003c\/strong\u003e\u003cbr\u003eYes. The potted construction supports 100% condensing humidity conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat supply voltage is required?\u003c\/strong\u003e\u003cbr\u003eThe transmitter requires +12 to +35 Vdc input power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the device support waveform diagnostics through the 4-20 mA output?\u003c\/strong\u003e\u003cbr\u003eNo. The analog output is intended for overall vibration trending only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a Certificate of Origin available?\u003c\/strong\u003e\u003cbr\u003eYes. Certificate of Origin documentation can be provided on request.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666547896683,"sku":"990-05-50-01-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-05-50-01-00-vibration-transmitter-mb2ub5e3ozw_9a80da96-d09a-47be-bd35-7962f35dd3d4.jpg?v=1765440541"},{"product_id":"bently-nevada-990-04-50-01-01-2-wire-vibration-transmitter","title":"Bently Nevada 990-04-50-01-01 2-Wire Vibration Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e990-04-50-01-01\u003c\/strong\u003e is a compact 2-wire vibration transmitter designed for direct integration of shaft vibration signals into industrial control systems. It converts proximity probe displacement into a linear 4 to 20 mA output, allowing PLC and DCS systems to perform continuous vibration trending and basic protection logic.\u003c\/p\u003e\n\u003cp\u003eThis version is typically selected when CSA Division 2 compliance is required alongside a standard DIN rail installation format. In practical engineering use, it is deployed on rotating equipment where vibration monitoring needs to be reliable but not dependent on a full rack-based monitoring system.\u003c\/p\u003e\n\u003cp\u003eThe transmitter works with a 3300 NSv proximity probe system and supports a 5.0 metre system length configuration. From a field perspective, this makes it suitable for medium-distance probe routing inside compressor skids, pump bases, and packaged machinery panels.\u003c\/p\u003e\n\u003cp\u003eOnce installed, the device is usually left to operate continuously with minimal intervention, provided probe alignment and loop power stability are correctly configured during commissioning.\u003c\/p\u003e\n\u003ch3\u003eFunctional Overview\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConverts shaft vibration signal into 4–20 mA analog output\u003c\/li\u003e\n\u003cli\u003eDesigned for 3300 NSv proximity probe systems\u003c\/li\u003e\n\u003cli\u003eCSA Division 2 approved configuration\u003c\/li\u003e\n\u003cli\u003e2-wire loop-powered architecture\u003c\/li\u003e\n\u003cli\u003eDIN rail mounting using 35 mm clips\u003c\/li\u003e\n\u003cli\u003eIntegrated signal conditioning electronics\u003c\/li\u003e\n\u003cli\u003eExternal zero and span adjustment capability\u003c\/li\u003e\n\u003cli\u003ePROX OUT diagnostic access point\u003c\/li\u003e\n\u003cli\u003eFault detection with output current drop behavior\u003c\/li\u003e\n\u003cli\u003eCompact sealed industrial housing design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Application Context\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eEquipment Type\u003c\/th\u003e\n\u003cth\u003ePractical Use Case\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCentrifugal compressors\u003c\/td\u003e\n\u003ctd\u003eContinuous vibration trending\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndustrial pumps\u003c\/td\u003e\n\u003ctd\u003eBearing condition monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFans and blowers\u003c\/td\u003e\n\u003ctd\u003eUnbalance detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM skid packages\u003c\/td\u003e\n\u003ctd\u003eEmbedded protection loop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUtility auxiliaries\u003c\/td\u003e\n\u003ctd\u003eAlarm input to PLC systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcess machinery\u003c\/td\u003e\n\u003ctd\u003eBasic condition monitoring point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eOrdering Structure\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eCode Description\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e990 Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-scale Option\u003c\/td\u003e\n\u003ctd\u003e-04 = 0-4 mils pp (0-100 µm pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length Option\u003c\/td\u003e\n\u003ctd\u003e-50 = 5.0 metres (16.4 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Option\u003c\/td\u003e\n\u003ctd\u003e-01 = 35 mm DIN rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Approval Option\u003c\/td\u003e\n\u003ctd\u003e-01 = CSA Division 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eMechanical Data\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e990-04-50-01-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eVibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew \u0026amp; Original in Factory Packing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFactory Warranty\u003c\/td\u003e\n\u003ctd\u003e12 Months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Target Size\u003c\/td\u003e\n\u003ctd\u003e9.5 mm (0.375 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd\u003e53.3 mm x 73.9 mm x 100.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Height (without DIN clip)\u003c\/td\u003e\n\u003ctd\u003e42.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Distance\u003c\/td\u003e\n\u003ctd\u003e63.5 mm x 69.9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e5.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal System Weight\u003c\/td\u003e\n\u003ctd\u003e0.82 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInterface Overview\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eInterface\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Input\u003c\/td\u003e\n\u003ctd\u003e3300 NSv proximity probe connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4–20 mA Output\u003c\/td\u003e\n\u003ctd\u003eVibration signal to control system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Input\u003c\/td\u003e\n\u003ctd\u003eLoop-powered DC supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePROX OUT\u003c\/td\u003e\n\u003ctd\u003eRaw vibration diagnostic signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM\u003c\/td\u003e\n\u003ctd\u003eSignal reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Notes (Engineering Practice)\u003c\/h3\u003e\n\u003cp\u003eIn typical installations, this transmitter is mounted on a DIN rail inside a control cabinet close to the PLC I\/O system. The key engineering focus is not the transmitter itself, but stable probe wiring and correct grounding practice.\u003c\/p\u003e\n\u003cp\u003eCable routing should avoid parallel runs with inverter output cables or motor feeders, especially in compressor skid environments where electromagnetic noise is common. Proper shielding termination is critical for signal stability.\u003c\/p\u003e\n\u003cp\u003eDuring commissioning, loop current should be verified before enabling any alarm logic. Engineers usually confirm stable vibration readings under steady-state machine conditions before integrating the signal into shutdown or warning systems.\u003c\/p\u003e\n\u003cp\u003eCSA Division 2 certification makes this configuration suitable for specific hazardous locations, depending on final system design and enclosure compliance.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the main function of this transmitter?\u003c\/strong\u003e\u003cbr\u003eIt converts vibration from a proximity probe into a 4–20 mA signal for control systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich probe system is required?\u003c\/strong\u003e\u003cbr\u003eIt is designed for Bently Nevada 3300 NSv proximity probe systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat makes this version different?\u003c\/strong\u003e\u003cbr\u003eIt includes CSA Division 2 certification for hazardous area applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used directly with PLCs?\u003c\/strong\u003e\u003cbr\u003eYes, it outputs a standard analog signal compatible with PLC input modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a diagnostic system?\u003c\/strong\u003e\u003cbr\u003eNo, it is intended for basic vibration trending and protection logic.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is PROX OUT used for?\u003c\/strong\u003e\u003cbr\u003eIt provides access to raw vibration signals for maintenance diagnostics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs DIN rail mounting mandatory?\u003c\/strong\u003e\u003cbr\u003eNo, but it is the standard and recommended installation method.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the operating principle?\u003c\/strong\u003e\u003cbr\u003eIt converts displacement measurement into proportional current output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere is it typically installed?\u003c\/strong\u003e\u003cbr\u003eInside control cabinets for compressors, pumps, and rotating machinery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it require external signal conditioning?\u003c\/strong\u003e\u003cbr\u003eNo, signal conditioning is fully integrated into the unit.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666563592555,"sku":"990-04-50-01-01","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-04-50-01-01-vibration-transmitter-mtt1xuabzyx_e5d68ee9-4136-4777-bac2-a1f09db3a28e.jpg?v=1765440700"},{"product_id":"bently-nevada-990-05-70-03-05-990-vibration-transmitter","title":"Bently Nevada 990-05-70-03-05 990  Vibration Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e990 Vibration Transmitter\u003c\/strong\u003e is a two-wire, loop-powered vibration monitoring device designed for centrifugal air compressors, pumps, motors, and fans requiring a proportional 4 to 20 mA vibration output for machinery control systems. \u003cstrong\u003eBently Nevada\u003c\/strong\u003e developed this transmitter primarily for OEM machinery integration where continuous vibration trending and basic protection functions are required.\u003c\/p\u003e\n\u003cp\u003eThe transmitter accepts input from a 3300 NSv proximity probe and matching extension cable system. It conditions the probe signal into a peak-to-peak vibration amplitude signal and transmits a proportional 4 to 20 mA output to PLC, DCS, or other automation control systems.\u003c\/p\u003e\n\u003cp\u003eThe integrated Proximitor sensor design eliminates the need for an external proximitor module, simplifying installation in compact machinery areas with limited mounting clearance. The unit also provides a non-isolated PROX OUT signal for machinery diagnostics and waveform analysis.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e990-05-70-03-05\u003c\/strong\u003e configuration includes a 7.0 m transducer system length, DIN rail and screw mounting hardware, and hazardous area approvals suitable for Division 2 and ATEX installations.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated Proximitor sensor design\u003c\/li\u003e\n\u003cli\u003eTwo-wire loop-powered transmitter\u003c\/li\u003e\n\u003cli\u003e4 to 20 mA proportional vibration output\u003c\/li\u003e\n\u003cli\u003eCompatible with 3300 NSv proximity probe systems\u003c\/li\u003e\n\u003cli\u003eNon-isolated PROX OUT diagnostic signal\u003c\/li\u003e\n\u003cli\u003eExternal zero and span adjustments\u003c\/li\u003e\n\u003cli\u003eDIN rail clip and screw mounting support\u003c\/li\u003e\n\u003cli\u003eSignal defeat function during NOT OK conditions\u003c\/li\u003e\n\u003cli\u003eHigh humidity resistance up to 100% condensing\u003c\/li\u003e\n\u003cli\u003eCompact installation for centrifugal machinery applications\u003c\/li\u003e\n\u003cli\u003eFrequency response from 5 Hz to 6000 Hz\u003c\/li\u003e\n\u003cli\u003eCSA Division 2 and ATEX hazardous area approvals\u003c\/li\u003e\n\u003cli\u003eABS maritime approval included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentrifugal air compressors\u003c\/li\u003e\n\u003cli\u003eIndustrial pumps\u003c\/li\u003e\n\u003cli\u003eElectric motors\u003c\/li\u003e\n\u003cli\u003eProcess fans and blowers\u003c\/li\u003e\n\u003cli\u003eOEM rotating equipment packages\u003c\/li\u003e\n\u003cli\u003eGeneral machinery vibration monitoring\u003c\/li\u003e\n\u003cli\u003ePLC and DCS vibration trending systems\u003c\/li\u003e\n\u003cli\u003eSkid-mounted rotating equipment\u003c\/li\u003e\n\u003cli\u003eCompact machinery installations\u003c\/li\u003e\n\u003cli\u003eHazardous area vibration monitoring systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel Code\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e990\u003c\/td\u003e\n\u003ctd\u003eVibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-05\u003c\/td\u003e\n\u003ctd\u003e0-5 mils pp (0-125 um pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-70\u003c\/td\u003e\n\u003ctd\u003e7.0 metres (23.0 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-03\u003c\/td\u003e\n\u003ctd\u003eDIN clips and screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-05\u003c\/td\u003e\n\u003ctd\u003eCSA Division 2, ATEX Zone 0, ATEX Zone 2 and ABS maritime approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003e990-05-70-03-05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e990 Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eU.S.A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003e3300 NSv Proximity Probe and Extension Cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Output\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mAdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003e2-wire loop-powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoop Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-1.5% full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Loop Resistance\u003c\/td\u003e\n\u003ctd\u003e1000 Ohm at 35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Limiting\u003c\/td\u003e\n\u003ctd\u003e23 mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e5 Hz to 6000 Hz (+0, -3 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Gap Range\u003c\/td\u003e\n\u003ctd\u003e0.5 to 1.75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProx Out Output Impedance\u003c\/td\u003e\n\u003ctd\u003e10 kOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProx Out Linear Range\u003c\/td\u003e\n\u003ctd\u003e1.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncremental Scale Factor\u003c\/td\u003e\n\u003ctd\u003e7.87 mV\/um (200 mV\/mil) +\/-6.5% typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Stability\u003c\/td\u003e\n\u003ctd\u003eWithin +\/-10% from 0 degC to +70 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Target Size\u003c\/td\u003e\n\u003ctd\u003e9.5 mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Diagnostic Cable Length\u003c\/td\u003e\n\u003ctd\u003e3 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-35 degC to +85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-52 degC to +100 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Operating Temperature\u003c\/td\u003e\n\u003ctd\u003e-52 degC to +177 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Storage Temperature\u003c\/td\u003e\n\u003ctd\u003e-52 degC to +177 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e100% condensing, non-submerged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Tip Material\u003c\/td\u003e\n\u003ctd\u003ePolyphenylene sulfide (PPS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Case Material\u003c\/td\u003e\n\u003ctd\u003eAISI 303 or 304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Cable Type\u003c\/td\u003e\n\u003ctd\u003e75 Ohm coaxial FEP insulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptional Cable Armor\u003c\/td\u003e\n\u003ctd\u003eFlexible AISI 302 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Strength\u003c\/td\u003e\n\u003ctd\u003e222 N maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd\u003e53.3 mm x 73.9 mm x 100.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Height\u003c\/td\u003e\n\u003ctd\u003e42.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Distance\u003c\/td\u003e\n\u003ctd\u003e63.5 mm x 69.9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e5.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal System Weight\u003c\/td\u003e\n\u003ctd\u003e0.82 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConnector Pin\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePROX OUT\u003c\/td\u003e\n\u003ctd\u003eDynamic vibration and gap voltage output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM\u003c\/td\u003e\n\u003ctd\u003eCommon reference terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTEST Input\u003c\/td\u003e\n\u003ctd\u003eLoop signal verification input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4-20 mA Loop\u003c\/td\u003e\n\u003ctd\u003eProcess control system output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Input\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the transmitter in a dry industrial enclosure with proper grounding.\u003c\/li\u003e\n\u003cli\u003eMaintain probe gap between 0.5 mm and 1.75 mm during commissioning.\u003c\/li\u003e\n\u003cli\u003eUse shielded cable routing practices to minimize EMI and RFI interference.\u003c\/li\u003e\n\u003cli\u003eSeparate signal wiring from high-voltage motor cables.\u003c\/li\u003e\n\u003cli\u003eUse the supplied DIN clips or mounting screws for secure installation.\u003c\/li\u003e\n\u003cli\u003eProtect coaxial connectors from moisture ingress in high-humidity environments.\u003c\/li\u003e\n\u003cli\u003eUse the 122115-01 Test Adapter when connecting grounded AC-powered diagnostic equipment.\u003c\/li\u003e\n\u003cli\u003eVerify loop resistance does not exceed 1000 Ohm at 35 Vdc.\u003c\/li\u003e\n\u003cli\u003eAvoid excessive probe thread engagement beyond recommended limits.\u003c\/li\u003e\n\u003cli\u003eEnsure hazardous area installation follows applicable local electrical regulations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCertification\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCSA Division 2\u003c\/td\u003e\n\u003ctd\u003eHazardous area approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATEX Zone 0\u003c\/td\u003e\n\u003ctd\u003eHazardous area approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATEX Zone 2\u003c\/td\u003e\n\u003ctd\u003eHazardous area approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eABS\u003c\/td\u003e\n\u003ctd\u003eMaritime approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary function of the 990 transmitter?\u003c\/strong\u003e\u003cbr\u003eIt converts proximity probe vibration signals into a proportional 4 to 20 mA output for machinery monitoring systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich probe system is compatible with this transmitter?\u003c\/strong\u003e\u003cbr\u003eThe unit supports Bently Nevada 3300 NSv proximity probes and matching extension cables.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the transmitter provide dynamic vibration signals?\u003c\/strong\u003e\u003cbr\u003eYes. The PROX OUT connector provides a dynamic transducer signal for diagnostics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the transmitter loop powered?\u003c\/strong\u003e\u003cbr\u003eYes. It operates as a two-wire loop-powered device.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the supported frequency range?\u003c\/strong\u003e\u003cbr\u003eThe frequency response is 5 Hz to 6000 Hz.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this unit be used in hazardous areas?\u003c\/strong\u003e\u003cbr\u003eYes. This configuration includes CSA Division 2 and ATEX approvals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the transmitter require an external proximitor module?\u003c\/strong\u003e\u003cbr\u003eNo. The Proximitor sensor is integrated into the transmitter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the required supply voltage?\u003c\/strong\u003e\u003cbr\u003eThe operating supply range is +12 to +35 Vdc.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the NOT OK function operate?\u003c\/strong\u003e\u003cbr\u003eThe output drops below 3.6 mA when a probe fault or signal issue occurs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mounting methods are supported?\u003c\/strong\u003e\u003cbr\u003eThe unit supports DIN rail mounting and screw mounting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 4-20 mA signal be used for vibration phase analysis?\u003c\/strong\u003e\u003cbr\u003eNo. The analog output only provides peak-to-peak vibration trending data.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat diagnostic equipment requires the test adapter?\u003c\/strong\u003e\u003cbr\u003eGrounded AC-powered oscilloscopes and analyzers should use the 122115-01 Test Adapter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat humidity level can the transmitter withstand?\u003c\/strong\u003e\u003cbr\u003eThe transmitter supports 100% condensing humidity in non-submerged conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum diagnostic cable distance from PROX OUT?\u003c\/strong\u003e\u003cbr\u003eThe recommended maximum cable distance is 3 meters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the transmitter suitable for System 1 diagnostics?\u003c\/strong\u003e\u003cbr\u003eNo. It is intended for overall vibration trending rather than full dynamic diagnostic systems.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666565034347,"sku":"990-05-70-03-05","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-05-70-03-05-vibration-transmitter-0nsgqefekgz_4637d253-b08f-4483-96d0-74828a468430.jpg?v=1765440723"},{"product_id":"bently-nevada-991-25-50-02-00-991-thrust-transmitter","title":"Bently Nevada 991-25-50-02-00 991 Thrust Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e991-25-50-02-00\u003c\/strong\u003e processed signal transmitter is designed to accept inputs from a proximity probe and sensor system to monitor micro-inch level axial shaft movement, specifically orients as a \u003cstrong\u003e991 Thrust Transmitter\u003c\/strong\u003e. This device functions as a self-contained, two-wire loop-powered transmitter that converts proximity probe measurements directly into a 4 to 20 mA current output proportional to the total thrust displacement. It integrates seamlessly with standard Programmable Logic Controllers (\u003cstrong\u003ePLC\u003c\/strong\u003e), Distributed Control Systems (\u003cstrong\u003eDCS\u003c\/strong\u003e), and Safety Instrumented Systems (\u003cstrong\u003eSIS\u003c\/strong\u003e), allowing operators to establish thrust monitoring without the requirement of a dedicated rack-based Machinery Protection System. The transmitter provides continuous machinery protection for rotating equipment including centrifugal compressors, steam turbines, pumps, and industrial fans.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrates a non-contacting eddy current proximity probe sensor input into a standard 2-wire 4 to 20 mA loop interface.\u003c\/li\u003e\n\u003cli\u003eProvides a buffered voltage output via a dedicated BNC connector for direct connection to portable vibration analyzers and diagnostic instrumentation.\u003c\/li\u003e\n\u003cli\u003eOffers specialized circuitry for early detection of thrust bearing wear or potential catastrophic axial float failure.\u003c\/li\u003e\n\u003cli\u003eFeatures a rugged, compact housing design compatible with high-density DIN rail mounting configurations.\u003c\/li\u003e\n\u003cli\u003eContains built-in circuit protection against reverse polarity and electrical surge anomalies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAxial displacement and thrust position monitoring on high-speed centrifugal compressors.\u003c\/li\u003e\n\u003cli\u003eBoiler feed pump thrust bearing wear tracking in power generation utilities.\u003c\/li\u003e\n\u003cli\u003eSteam and gas turbine rotor axial position surveillance.\u003c\/li\u003e\n\u003cli\u003eIndustrial turbocharger and expander mechanical health monitoring.\u003c\/li\u003e\n\u003cli\u003eLarge electric motor and gear reducer shaft displacement tracking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOption Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSelection Type\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e991\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eThrust Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e25\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProximity Probe Option\u003c\/td\u003e\n\u003ctd\u003e3300 XL 8mm Proximity Probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e50\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScale Range Option\u003c\/td\u003e\n\u003ctd\u003e50-0-50 mils Range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e02\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAgency Approval Option\u003c\/td\u003e\n\u003ctd\u003eMultiple Approvals (ATEX, IECEx, CSA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e00\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMounting Option\u003c\/td\u003e\n\u003ctd\u003eStandard Mounting Option\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter Category\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e991-25-50-02-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e991 Thrust Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3300 XL 8mm Proximity Probe and Extension Cable System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA DC (Linear proportional to thrust displacement)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Requirements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 to 35 VDC at the transmitter terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoop Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMaximum 1000 Ohms at 35 VDC supply voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuffered Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCoaxial BNC connector, nominal output scale factor matching the proximity sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWithin specified linear range across standard operating temperatures\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-35 degC to +85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 degC to +100 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35mm DIN rail or direct panel mount plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e81.3 mm x 61.2 mm x 103.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eConnector Pin\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e+4-20 mA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePositive Loop Power \/ Current Output Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-4-20 mA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNegative Loop Power \/ Current Output Return\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePROBE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCenter Conductor for Proximity Probe Extension Cable Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSHIELD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTerminal Connection for Extension Cable Shield\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCOM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCommon Reference Point for Signal Testing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBNC Jack\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDynamic Voltage Output (Raw Proximity Sensor Signal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN Rail Installation:\u003c\/strong\u003e Snap the housing onto standard 35mm symmetric top-hat DIN rails, ensuring both the top and bottom clips engage securely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Connect the transmitter housing directly to the local instrumentation clean ground or DIN rail ground block to avoid floating potentials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding:\u003c\/strong\u003e Terminate the outer shield of the field wiring cable at the control system end only; ensure the probe cable shield is connected directly to the designated transmitter shield terminal and isolated from the junction box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEMI\/RFI Mitigation:\u003c\/strong\u003e Route all low-level proximity sensor input cables in dedicated grounded metallic conduits separated from heavy AC power distribution wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Gap Adjustment:\u003c\/strong\u003e Ensure the proximity probe is gapped to the correct physical voltage range before securing the transmitter loop configuration to maximize dynamic linear performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture Protection:\u003c\/strong\u003e Install the device within an IP65 or NEMA 4X rated enclosure when deploying into outdoor, high-humidity, or corrosive ambient environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCSA\/NRTL\/C\u003c\/li\u003e\n\u003cli\u003eATEX\u003c\/li\u003e\n\u003cli\u003eIECEx\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary function of this transmitter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt converts high-frequency proximity probe signals into a standard linear 4 to 20 mA loop-current signal representing shaft axial or thrust position.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this device require a separate power supply line?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, it is a two-wire, loop-powered device that operates using the loop voltage provided by the receiving DCS or PLC analog input module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is a portable data collector connected to check raw vibration data?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA portable analyzer or oscilloscope can be connected directly to the front-panel BNC jack without disturbing the 4 to 20 mA automation control loop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat specific proximity sensor system is compatible with the 25 option code?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 25 option designates compatibility with the Bently Nevada 3300 XL 8mm proximity probe and extension cable system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this unit be mounted directly inside a harsh outdoor environment?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt requires an appropriately rated protective enclosure to safeguard its electronic terminal blocks from moisture, dust, and corrosive airborne elements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the impact of reversing the input loop polarity?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe unit features internal reverse polarity protection circuits that prevent electrical damage, though it will not transmit a valid signal until wired correctly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module require routine calibration in the field?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, the device is factory-calibrated to specific linear ranges and does not require adjustment or manual potentiometer tuning during standard installation.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666565624171,"sku":"991-25-50-02-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-991-25-50-02-00-thrust-transmitter-omubwe2j10e_9be2c544-1e3f-4c84-9fe9-07d1aa5c49ac.jpg?v=1765440731"},{"product_id":"bently-nevada-990-04-50-01-cn-2-wire-vibration-transmitter","title":"Bently Nevada 990-04-50-01-CN 2-Wire Vibration Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e990-04-50-01-CN\u003c\/strong\u003e is a loop-powered vibration transmitter designed for machinery where vibration needs to be converted into a standard 4 to 20 mA signal for control system use. It is typically applied in compact rotating equipment packages where engineers need stable trend data without implementing a full rack-based monitoring system.\u003c\/p\u003e\n\u003cp\u003eThis CN-variant configuration is selected when regional compliance and certification requirements are part of the project specification. In many real installations, this becomes important for export-oriented equipment packages or standardized OEM designs used across multiple sites.\u003c\/p\u003e\n\u003cp\u003eThe transmitter processes input from a 3300 NSv proximity probe system and converts shaft vibration into a proportional electrical signal for PLC or DCS input. The 5.0 metre system length makes it suitable for medium-distance probe routing in skid-mounted machinery layouts.\u003c\/p\u003e\n\u003cp\u003eFrom a field engineering perspective, this model is often chosen when compliance requirements and straightforward installation need to be balanced within a small enclosure footprint.\u003c\/p\u003e\n\u003ch3\u003eEngineering Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2-wire loop-powered vibration measurement architecture\u003c\/li\u003e\n\u003cli\u003eConverts proximity probe displacement into 4 to 20 mA output\u003c\/li\u003e\n\u003cli\u003eDesigned for 3300 NSv probe system compatibility\u003c\/li\u003e\n\u003cli\u003eDIN rail mounting using 35 mm standard clips\u003c\/li\u003e\n\u003cli\u003eIntegrated signal conditioning electronics (no external module required)\u003c\/li\u003e\n\u003cli\u003eStable output for continuous vibration trending\u003c\/li\u003e\n\u003cli\u003eExternal zero and span adjustment access\u003c\/li\u003e\n\u003cli\u003ePROX OUT available for diagnostic waveform checks\u003c\/li\u003e\n\u003cli\u003eFault detection with automatic output drop indication\u003c\/li\u003e\n\u003cli\u003eCompact sealed housing for industrial environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplication Context\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMachine Type\u003c\/th\u003e\n\u003cth\u003ePractical Use\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCentrifugal compressors\u003c\/td\u003e\n\u003ctd\u003eShaft vibration trend monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndustrial pumps\u003c\/td\u003e\n\u003ctd\u003eBearing condition tracking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcess fans\u003c\/td\u003e\n\u003ctd\u003eImbalance and mechanical wear detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM packaged skids\u003c\/td\u003e\n\u003ctd\u003eIntegrated protection input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary rotating systems\u003c\/td\u003e\n\u003ctd\u003eBasic PLC-based alarm logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExport equipment packages\u003c\/td\u003e\n\u003ctd\u003eStandardized compliance builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eOrdering Structure\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eCode Description\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e990 Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-scale Option\u003c\/td\u003e\n\u003ctd\u003e-04 = 0-4 mils pp (0-100 µm pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length Option\u003c\/td\u003e\n\u003ctd\u003e-50 = 5.0 metres (16.4 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Option\u003c\/td\u003e\n\u003ctd\u003e-01 = 35 mm DIN rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Approval Option\u003c\/td\u003e\n\u003ctd\u003e-CN = China compliance \/ NEPSI \/ CCC \/ ATEX \/ IECEx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eMechanical Data\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e990-04-50-01-CN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eVibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew \u0026amp; Original in Factory Packing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFactory Warranty\u003c\/td\u003e\n\u003ctd\u003e12 Months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Target Size\u003c\/td\u003e\n\u003ctd\u003e9.5 mm (0.375 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd\u003e53.3 mm x 73.9 mm x 100.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Height (without DIN clip)\u003c\/td\u003e\n\u003ctd\u003e42.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Distance\u003c\/td\u003e\n\u003ctd\u003e63.5 mm x 69.9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e5.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal System Weight\u003c\/td\u003e\n\u003ctd\u003e0.82 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInterface Overview\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eInterface\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Input\u003c\/td\u003e\n\u003ctd\u003e3300 NSv proximity probe connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4-20 mA Output\u003c\/td\u003e\n\u003ctd\u003eVibration signal to PLC\/DCS system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Input\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc loop supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePROX OUT\u003c\/td\u003e\n\u003ctd\u003eRaw vibration diagnostic signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM\u003c\/td\u003e\n\u003ctd\u003eSignal reference point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Notes (Field Practice View)\u003c\/h3\u003e\n\u003cp\u003eIn typical cabinet builds, engineers install this module on DIN rail and then verify mechanical stability depending on vibration exposure of the enclosure. For skid-mounted systems, additional fixation is sometimes added to avoid micro-movement over long operation cycles.\u003c\/p\u003e\n\u003cp\u003eCable routing should be planned early in panel design. Keeping probe signal wiring away from inverter or motor power cables helps reduce noise, especially in 5-metre system layouts where bundling is common.\u003c\/p\u003e\n\u003cp\u003eBefore commissioning, probe gap alignment should be verified carefully. Once powered, allow the loop to stabilize before enabling alarm logic in the control system.\u003c\/p\u003e\n\u003cp\u003eThe PROX OUT interface is generally used during commissioning or troubleshooting rather than continuous operation in production systems.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the CN suffix in this model?\u003c\/strong\u003e\u003cbr\u003eIt indicates a configuration aligned with regional certification requirements used in certain industrial projects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this transmitter suitable for PLC integration?\u003c\/strong\u003e\u003cbr\u003eYes, it provides a standard 4 to 20 mA output compatible with PLC analog inputs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat probe system does it support?\u003c\/strong\u003e\u003cbr\u003eIt is designed for Bently Nevada 3300 NSv proximity probe systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used in export-oriented equipment?\u003c\/strong\u003e\u003cbr\u003eYes, it is commonly selected for standardized OEM export configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs DIN rail mounting standard for this model?\u003c\/strong\u003e\u003cbr\u003eYes, it uses 35 mm DIN rail clip mounting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it support vibration diagnostics?\u003c\/strong\u003e\u003cbr\u003eIt provides a PROX OUT signal for basic diagnostic waveform checks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a full monitoring system?\u003c\/strong\u003e\u003cbr\u003eNo, it is a simplified transmitter for trend-level monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if the probe fails?\u003c\/strong\u003e\u003cbr\u003eThe output drops to a fault-level current indicating NOT OK condition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the operating temperature range?\u003c\/strong\u003e\u003cbr\u003eIt operates from -35 degC to +85 degC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used on compressors and pumps?\u003c\/strong\u003e\u003cbr\u003eYes, it is widely applied on rotating machinery such as compressors and pumps.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666568900971,"sku":"990-04-50-01-CN","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-04-50-01-cn-vibration-transmitter-iwllhxzlwmi_75cfc6c9-5210-4bb3-b53d-01f25dc24b32.jpg?v=1765440797"},{"product_id":"bently-nevada-990-05-70-01-05-2-wire-vibration-transmitter","title":"Bently Nevada 990-05-70-01-05 2-Wire Vibration Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e990-05-70-01-05\u003c\/strong\u003e is a 2-wire, loop-powered vibration transmitter designed to integrate continuous machinery protection into distributed control systems (DCS), programmable logic controllers (PLCs), or standard industrial SCADA architectures. It conditions raw proximity probe signals into a linear, proportional 4-20 mA current loop that represents total radial vibration or shaft dynamic displacement.\u003c\/p\u003e\n\u003cp\u003eThis transmitter interfaces directly with a non-contacting eddy current probe system, executing signal conversion locally without the requirement of an intermediate machinery monitoring rack. The hardware manages the high-frequency probe drive and demodulates the return signal to extract peak-to-peak displacement trends. It maintains full architectural compatibility with specific proximity transducers and calibrated extension cables to deliver accurate, stable scale factors under varying industrial conditions.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStandard 4-20 mA current loop output proportional to peak-to-peak machinery vibration\u003c\/li\u003e\n\u003cli\u003eDirect interface capability with 3300 NSv proximity probe systems\u003c\/li\u003e\n\u003cli\u003eIntegrated signal conditioning electronics contained in a rugged, field-mountable housing\u003c\/li\u003e\n\u003cli\u003e35 mm DIN rail mounting hardware for high-density control cabinet installations\u003c\/li\u003e\n\u003cli\u003eWide input voltage tolerance to accommodate industrial loop resistance variations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRadial shaft vibration monitoring on high-speed pumps and centrifugal compressors\u003c\/li\u003e\n\u003cli\u003eStructural and bearing housing vibration tracking on industrial fans and blowers\u003c\/li\u003e\n\u003cli\u003eElectric motor, generator, and auxiliary rotating machinery protection loops\u003c\/li\u003e\n\u003cli\u003eBalance-of-plant equipment integration into standard factory control systems\u003c\/li\u003e\n\u003cli\u003ePredictive maintenance loop logging in petrochemical, oil, gas, and power facilities\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eModel Option Block\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eConfiguration Specification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e05\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull-scale Option: 0-5 mils pp (0-125 um pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e70\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem Length Option: 7.0 metres (23.0 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e01\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMounting Option: 35 mm DIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e05\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAgency Approval Option: CSA, ATEX, IECEx intrinsically safe \u0026amp; non-incendive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e990 Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003e990-05-70-01-05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-scale Option\u003c\/td\u003e\n\u003ctd\u003e0-5 mils pp (0-125 um pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length\u003c\/td\u003e\n\u003ctd\u003e7.0 metres (23.0 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput\u003c\/td\u003e\n\u003ctd\u003eAccepts 1 non-contacting 3300 NSv Proximity Probe and extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirements\u003c\/td\u003e\n\u003ctd\u003eRequires +12 to +35 Vdc input at the transmitter terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003eProportional 4-20 mA current loop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN rail mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-35 Celsius to +85 Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-51 Celsius to +100 Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e1.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eU.S.A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTerminal \/ Port\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePROBE\u003c\/td\u003e\n\u003ctd\u003eCoaxial connection to the 3300 NSv extension cable and proximity probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM\u003c\/td\u003e\n\u003ctd\u003eCommon loop ground return terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e+4-20 mA\u003c\/td\u003e\n\u003ctd\u003ePositive power supply and 4-20 mA current loop output terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGAP\u003c\/td\u003e\n\u003ctd\u003eBuffered voltage output terminal for probe gap configuration and diagnostics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN Rail Installation:\u003c\/strong\u003e Snap the transmitter base securely onto a standard 35 mm DIN rail inside an environmental enclosure. Ensure the module is rigidly fixed to prevent sliding or mechanical disconnection caused by cabinet vibrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Gap Adjustment:\u003c\/strong\u003e Use a digital voltmeter connected across the GAP and COM terminals to measure the static DC voltage. Adjust the physical mechanical gap of the 3300 NSv proximity probe until the target bias voltage is reached, ensuring operation within the sensor's linear zone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Routing and Shielding:\u003c\/strong\u003e Route the 7.0-meter extension cable through dedicated, grounded steel conduit away from high-current AC power cables. Connect the overall cable shielding network to the designated instrumentation ground at the control panel to minimize electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazardous Area Precautions:\u003c\/strong\u003e For environments requiring intrinsically safe deployment, install an approved zener barrier or galvanic isolator in the loop circuit between the power source and the transmitter terminals in strict accordance with local electrical codes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat sensor input is required for this specific transmitter model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe unit requires connection to exactly one non-contacting 3300 NSv proximity probe and its matching extension cable configured for a total calibrated system length of 7.0 meters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do you verify the probe's physical gap setting without removing the sensor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe transmitter features a dedicated front-accessible GAP terminal that provides a raw DC voltage output directly proportional to the physical distance between the probe tip and the observed shaft surface.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this transmitter model be deployed in hazardous industrial environments?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, this specific configuration includes the 05 agency approval option, which certifies the device for intrinsically safe and non-incendive applications under CSA, ATEX, and IECEx standards when paired with appropriate isolation barriers.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666578010475,"sku":"990-05-70-01-05","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-05-70-01-05-990-vibration-transmitter-la4e1lndz3l_a78e6b5e-9fed-4b4e-b275-1ac715aa5cdf.jpg?v=1765440931"},{"product_id":"bently-nevada-990-05-70-03-00-990-vibration-transmitter","title":"Bently Nevada 990-05-70-03-00 990 Vibration Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e990-05-50-02-00\u003c\/strong\u003e is a 2-wire, loop-powered device designed to provide continuous machinery vibration monitoring directly to a distributed control system (DCS), programmable logic controller (PLC), or machinery protection architecture. It conditions signals from proximity probes to output a proportional 4-20 mA current loop, representing total radial vibration or axial thrust measurement.\u003c\/p\u003e\n\u003cp\u003eThis transmitter interfaces directly with a non-contacting eddy current probe system to log dynamic shaft displacement. The hardware conversion architecture extracts the peak-to-peak or static position trends without requiring an intermediate machinery monitoring rack, making it suitable for standard control loops. It maintains full system compatibility with specific proximity probe sub-assemblies and calibrated cable lengths to ensure accurate scale-factor linear output.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStandard 4-20 mA current loop output proportional to machinery vibration\u003c\/li\u003e\n\u003cli\u003eDirect interface capability with 3300 NSv proximity probe systems\u003c\/li\u003e\n\u003cli\u003eIntegrated signal conditioning inside a compact, field-mountable enclosure\u003c\/li\u003e\n\u003cli\u003eBulkhead screw mounting hardware for rigid installation on machine housings\u003c\/li\u003e\n\u003cli\u003eWide input voltage range to accommodate varying loop load requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRadial vibration monitoring on small centrifugal pumps and compressors\u003c\/li\u003e\n\u003cli\u003eAxial shaft displacement measurements on industrial fans and blowers\u003c\/li\u003e\n\u003cli\u003eElectric motor and generator bearing housing vibration tracking\u003c\/li\u003e\n\u003cli\u003eAuxiliary rotating machinery protection loops in petrochemical facilities\u003c\/li\u003e\n\u003cli\u003eBalance-of-plant equipment integration into factory control architectures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eModel Option Block\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eConfiguration Specification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e05\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull-scale Option: 0-5 mils pp (0-125 um pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e50\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem Length Option: 5.0 metres (16.4 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e02\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMounting Option: Bulkhead screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e00\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAgency Approval Option: Not required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct No.\u003c\/td\u003e\n\u003ctd\u003e990-05-50-02-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e990 Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eU.S.A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-scale Option\u003c\/td\u003e\n\u003ctd\u003e0-5 mils pp (0-125 um pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length\u003c\/td\u003e\n\u003ctd\u003e5.0 metres (16.4 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput\u003c\/td\u003e\n\u003ctd\u003eAccepts 1 non-contacting 3300 NSv Proximity Probe and extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc input at the transmitter terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-35 Celsius to +85 Celsius (-31 Fahrenheit to +185 Fahrenheit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-51 Celsius to +100 Celsius (-60 Fahrenheit to +212 Fahrenheit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e1.5 Kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Configuration:\u003c\/strong\u003e Mount the transmitter base securely onto a flat bulkhead surface using the pre-selected bulkhead screw hardware option. Ensure the surface is free of high vibration spikes that could fatigue the internal board electronics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Gap Adjustment:\u003c\/strong\u003e Ensure the 3300 NSv proximity probe is mechanically adjusted to its physical mid-range voltage point before finalizing the locknut installation. This adjustment keeps the transducer within its accurate linear operating zone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Routing and Shielding:\u003c\/strong\u003e Route the 5.0-meter extension cable through dedicated conduit paths separate from high-voltage motor lines. Bond the overall cable shield firmly to the designated instrumentation ground point at the receiver chassis to mitigate electromagnetic field noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Connection:\u003c\/strong\u003e Verify that the loop power supply source provides clean, regulated direct current within the +12 to +35 Vdc operating range prior to terminating the wires at the input blocks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat specific sensor input does this unit support?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe transmitter accepts exactly one non-contacting 3300 NSv proximity probe along with its matching extension cable configured for a total system length of 5.0 meters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this configuration carry hazardous area certifications?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis specific unit option code includes the 00 modification block, meaning agency approval is not required or provided for this specific product variant.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the device powered during operation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe transmitter functions as a standard loop-powered module, requiring an external loop supply voltage between +12 and +35 Vdc connected directly across its terminal interface.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666611499371,"sku":"990-05-70-03-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-05-70-03-00-990-vibration-transmitter-fqbqosjzjqi_3635d761-ebf9-4839-a401-aaba4f21b80e.jpg?v=1765444147"},{"product_id":"bently-nevada-990-04-50-03-00-2-wire-vibration-transmitter","title":"Bently Nevada 990-04-50-03-00 2-Wire Vibration Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e990-04-50-03-00\u003c\/strong\u003e is a compact vibration transmitter used for integrating shaft vibration measurement into control systems without requiring a full monitoring rack. It is designed around a 2-wire loop-powered architecture and converts proximity probe displacement signals into a stable 4 to 20 mA output for PLC or DCS use.\u003c\/p\u003e\n\u003cp\u003eIn practical OEM installations, this model is often selected when engineers want a balance between wiring simplicity and mechanical flexibility. The 5.0 metre system length fits most skid-mounted rotating equipment layouts where probe routing distance is moderate but still needs stable signal integrity.\u003c\/p\u003e\n\u003cp\u003eThis configuration uses a combined DIN clip and screw mounting method, which gives technicians flexibility during panel layout. In many real-world builds, this hybrid mounting style is preferred because it allows both quick rail installation and additional mechanical reinforcement when vibration exposure is higher than normal.\u003c\/p\u003e\n\u003cp\u003eThe transmitter is typically used in basic protection or condition trending loops, where the goal is to detect changes in machine behavior early rather than perform deep diagnostic analysis.\u003c\/p\u003e\n\u003ch3\u003eFunctional Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConverts proximity probe signal into 4 to 20 mA output\u003c\/li\u003e\n\u003cli\u003eDesigned for continuous vibration trending applications\u003c\/li\u003e\n\u003cli\u003eSupports 3300 NSv proximity probe systems\u003c\/li\u003e\n\u003cli\u003eLoop-powered 2-wire operation simplifies wiring design\u003c\/li\u003e\n\u003cli\u003eHybrid DIN rail + screw mounting for flexible installation\u003c\/li\u003e\n\u003cli\u003eIntegrated signal conditioning electronics\u003c\/li\u003e\n\u003cli\u003eProvides access to raw vibration via PROX OUT\u003c\/li\u003e\n\u003cli\u003eExternal calibration adjustment (zero\/span)\u003c\/li\u003e\n\u003cli\u003eFault detection with output drop indication\u003c\/li\u003e\n\u003cli\u003eCompact encapsulated industrial housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhere Engineers Typically Use It\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eEquipment Context\u003c\/th\u003e\n\u003cth\u003eWhy It Is Used\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompressor skids\u003c\/td\u003e\n\u003ctd\u003eStable shaft vibration monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndustrial pumps\u003c\/td\u003e\n\u003ctd\u003eEarly detection of imbalance or wear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan systems\u003c\/td\u003e\n\u003ctd\u003eContinuous condition tracking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM packaged machines\u003c\/td\u003e\n\u003ctd\u003eEmbedded vibration feedback loop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary rotating equipment\u003c\/td\u003e\n\u003ctd\u003eBasic protection input to PLC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRetrofit panels\u003c\/td\u003e\n\u003ctd\u003eEasy integration into existing cabinets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eOrdering Breakdown\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eElement\u003c\/th\u003e\n\u003cth\u003eCode Meaning\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e990 Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-scale Option\u003c\/td\u003e\n\u003ctd\u003e-04 = 0-4 mils pp (0-100 µm pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length Option\u003c\/td\u003e\n\u003ctd\u003e-50 = 5.0 metres (16.4 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Option\u003c\/td\u003e\n\u003ctd\u003e-03 = DIN clips and screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Approval Option\u003c\/td\u003e\n\u003ctd\u003e-00 = Not required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eMechanical \u0026amp; Dimensional Data\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e990-04-50-03-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e2-Wire Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew \u0026amp; Original in Factory Packing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFactory Warranty\u003c\/td\u003e\n\u003ctd\u003e12 Months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Target Size\u003c\/td\u003e\n\u003ctd\u003e9.5 mm (0.375 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd\u003e53.3 mm x 73.9 mm x 100.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Height (no DIN clip)\u003c\/td\u003e\n\u003ctd\u003e42.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Distance\u003c\/td\u003e\n\u003ctd\u003e63.5 mm x 69.9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e5.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal System Weight\u003c\/td\u003e\n\u003ctd\u003e0.82 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInterface Overview\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eInterface\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Input\u003c\/td\u003e\n\u003ctd\u003eConnection to 3300 NSv proximity probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4-20 mA Output\u003c\/td\u003e\n\u003ctd\u003eVibration signal to control system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Input\u003c\/td\u003e\n\u003ctd\u003eLoop-powered DC supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePROX OUT\u003c\/td\u003e\n\u003ctd\u003eRaw vibration diagnostic signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM\u003c\/td\u003e\n\u003ctd\u003eElectrical reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Notes (Field Experience Perspective)\u003c\/h3\u003e\n\u003cp\u003eIn cabinet installations, this model is usually mounted on DIN rail first, then mechanically secured with screws when vibration or cable tension is expected. This reduces long-term loosening in high-vibration environments such as compressor enclosures.\u003c\/p\u003e\n\u003cp\u003eProbe cable routing is important on this model. Engineers typically keep low-level signal cables separated from motor power lines to avoid noise coupling, especially in 5-metre routing layouts where bundling is common.\u003c\/p\u003e\n\u003cp\u003eDuring commissioning, the probe gap should be checked before energizing the loop. Once powered, allow the signal to stabilize under steady machine conditions before integrating it into alarm logic.\u003c\/p\u003e\n\u003cp\u003eThe PROX OUT point is useful during troubleshooting, but in practice it is often used only during startup or maintenance windows rather than continuous operation.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this transmitter suitable for compact machinery skids?\u003c\/strong\u003e\u003cbr\u003eYes, it is commonly selected for OEM skid-mounted rotating equipment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the main advantage of the 5.0 m system length?\u003c\/strong\u003e\u003cbr\u003eIt matches most medium-distance probe routing layouts without signal complexity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be installed only on DIN rail?\u003c\/strong\u003e\u003cbr\u003eIt supports DIN rail installation but also allows screw reinforcement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it provide raw vibration access?\u003c\/strong\u003e\u003cbr\u003eYes, PROX OUT provides a diagnostic signal for external instruments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of control system is it designed for?\u003c\/strong\u003e\u003cbr\u003eIt is intended for PLC and DCS analog input integration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a diagnostic system or a transmitter?\u003c\/strong\u003e\u003cbr\u003eIt is a simplified transmitter, not a full vibration analysis system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if the probe fails?\u003c\/strong\u003e\u003cbr\u003eThe output drops to a low-current fault state to indicate NOT OK.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for compressors and pumps?\u003c\/strong\u003e\u003cbr\u003eYes, it is widely used on compressors, pumps, and fans.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat makes this version different in installation?\u003c\/strong\u003e\u003cbr\u003eIt uses a combined DIN clip and screw mounting arrangement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it used for detailed vibration diagnostics?\u003c\/strong\u003e\u003cbr\u003eNo, it is intended for trend-level monitoring only.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666613432683,"sku":"990-04-50-03-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-04-50-03-00-990-vibration-transmitter-3phzlju5ibc_8ef2edb9-f39d-43ca-9b7b-48c54e693a39.jpg?v=1765444172"},{"product_id":"bently-nevada-991-25-70-03-05-991-thrust-transmitter","title":"Bently Nevada 991-25-70-03-05 991 Thrust Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Bently Nevada \u003cstrong\u003e991-25-70-03-05\u003c\/strong\u003e 991 Thrust Transmitter is a two-wire, loop-powered axial displacement transmitter designed primarily for Original Equipment Manufacturers (OEMs) of centrifugal air compressors, small pumps, motors, or fans. The device accepts a single input from a 3300 NSv proximity probe and its matching extension cable, conditioning the signal into an industry-standard 4 to 20 mA current loop output proportional to the shaft axial position (thrust) for direct integration into machinery control systems for protection and alarming.\u003c\/p\u003e\n\u003cp\u003eThe transmitter integrates the functionality of a Proximitor Sensor into a single unit, eliminating the need for an external independent sensor. Non-isolated PROX OUT and COM terminals, along with a coaxial BNC connector, provide a dynamic vibration and gap voltage signal for machinery diagnostics. The transmitter features a fully potted construction, allowing stable operation in high-humidity environments up to 100 percent condensing.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated design combines the transmitter and Proximitor Sensor into a single unit.\u003c\/li\u003e\n\u003cli\u003eStandard 2-wire, loop-powered configuration provides a 4 to 20 mAdc signal proportional to full-scale axial displacement.\u003c\/li\u003e\n\u003cli\u003eNon-isolated PROX OUT, COM terminals, and BNC connector provide dynamic vibration and gap voltage outputs for field diagnostics.\u003c\/li\u003e\n\u003cli\u003eExternal, non-interacting zero and span potentiometers beneath the label facilitate easy loop adjustment.\u003c\/li\u003e\n\u003cli\u003eTest Input pin enables quick verification of the loop signal output using a variable DC voltage source.\u003c\/li\u003e\n\u003cli\u003ePower-up Inhibit circuit eliminates signal errors caused by line voltage transients during startup.\u003c\/li\u003e\n\u003cli\u003eNot OK \/ Signal Defeat circuit clamps output below 3.6 mA to prevent high outputs or false alarms caused by probe or cable faults.\u003c\/li\u003e\n\u003cli\u003eFully potted housing accommodates high humidity and 100 percent condensing environments.\u003c\/li\u003e\n\u003cli\u003eStandard configuration includes 35 mm DIN rail clips and bulkhead mounting hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentrifugal air compressors\u003c\/li\u003e\n\u003cli\u003eSmall industrial pumps\u003c\/li\u003e\n\u003cli\u003eIndustrial electric motors\u003c\/li\u003e\n\u003cli\u003eIndustrial ventilation fans\u003c\/li\u003e\n\u003cli\u003eRotor axial position (thrust) trend monitoring and machinery protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ch4\u003eModel Configuration (991-25-70-03-05)\u003c\/h4\u003e\n\u003cp\u003eBased on the Bently Nevada 991 series naming nomenclature, the specific model configuration parameters are decoded as follows:\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eOption Position\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eConfiguration Item\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eTechnical Specification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eAA\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003eFull-scale Option\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003e25-0-25 mils\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eBB\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eSystem Length Option\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003e7.0 meters (23.0 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eCC\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eMounting Option\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eDIN clips and screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eDD\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003eAgency Approval Option\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003eCSA Division 2, ATEX Zone 0, ATEX Zone 2, including ABS maritime approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eElectrical\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eInput Power\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003eRequires +12 to +35 Vdc at the transmitter terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eSignal Output\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003e4 to 20 mAdc, 2-wire configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eLoop Accuracy\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eTypical ±1.5 percent over specified full-scale range (measured from TEST input to 250 ohm loop resistance)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eMaximum Loop Resistance\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003e1,000 ohms maximum at 35 Vdc (including cable resistance). Formula: R_LOOP = 43.5 x (V_PS - 12) ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eCurrent Limiting\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003e23 mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eDynamic Output Impedance\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003ePROX OUT has a 10 kohm output impedance, calibrated for a 10 Mohm load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"8\"\u003eLinear Range\u003c\/td\u003e\n\u003ctd data-row=\"8\"\u003e0.25 to 1.65 mm (10 to 65 mils) at the PROX OUT interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"9\"\u003eIncremental Scale Factor\u003c\/td\u003e\n\u003ctd data-row=\"9\"\u003e7.87 mV\/micrometer (200 mV\/mil) typical, ±6.5 percent including interchangeability error when measured against a flat AISI 4140 steel target\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"10\"\u003eTemperature Stability\u003c\/td\u003e\n\u003ctd data-row=\"10\"\u003eIncremental Scale Factor remains within ±10 percent of 7.87 mV\/micrometer (200 mV\/mil) from 0 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"11\"\u003eMinimum Target Size\u003c\/td\u003e\n\u003ctd data-row=\"11\"\u003e9.5 mm (0.375 in) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eDynamic and Timing\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eNot OK Delay\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003eSignal output drops below 3.6 mA within 100 microseconds after a Not OK condition occurs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eOK Recovery Time\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eSignal output returns to normal within 0.1 seconds after the Not OK condition is removed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eEnvironmental Limits\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eTransmitter Operating Temperature\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003e-35 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eTransmitter Storage Temperature\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003e-51 deg C to +100 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eProbe Operating Temperature\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003e-52 deg C to +177 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eProbe Storage Temperature\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003e-52 deg C to +177 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003e100 percent condensing, non-submerged operation (coaxial connectors must be protected)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eMechanical\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eTransmitter Weight\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003e0.43 kg (0.9 lbm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eTotal System Weight\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003e0.82 kg (1.8 lbm) typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eTransmitter Case Material\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eAISI 303 or 304 Stainless Steel (SST)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eProbe Tip Material\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003ePolyphenylene Sulfide (PPS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eProbe Cable\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003e75 ohm coaxial cable, Fluorinated Ethylene Propylene (FEP) insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eTensile Strength\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003e222 N (50 lbf) maximum between probe case and probe lead\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eConnections \/ Interfaces\u003c\/h3\u003e\n\u003ch4\u003eTransmitter Terminal Blocks and Connectors\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eTerminal Block \/ Connector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eTerminal Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eE1\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003ePWR (Power)\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003e4-20 mA loop positive supply input (+17 to +35 Vdc)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eE2\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eCOM (Common)\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003e4-20 mA loop negative \/ common return\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eE3\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003ePROX OUT\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eNon-isolated dynamic signal output (maximum 3 meters of twisted pair cable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eE4\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003eCOM\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003eDynamic signal common reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eJ2\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003ePROX OUT (BNC)\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003eNon-isolated dynamic coaxial BNC output for portable diagnostic equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eJ3\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003eProbe Connector\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003eClickLoc coaxial socket for connecting the proximity probe extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCable Selection: For the 4 to 20 mA current loop between the transmitter and the receiver (PLC\/DCS), use a shielded, twisted-pair, 1.0 mm sq (18 AWG) cable (part number 02173006). The maximum allowable length is 13 km (8 miles).\u003c\/li\u003e\n\u003cli\u003eGrounding and Shielding: The cable shield must be terminated to a single-point ground at the receiver end. The shield at the transmitter end must be insulated and isolated from the transmitter housing and local ground to prevent ground loops.\u003c\/li\u003e\n\u003cli\u003ePROX OUT Interface Isolation: The PROX OUT coaxial connector and terminals are not isolated from the 4 to 20 mA loop. Connecting grounded, AC-powered test equipment (such as oscilloscopes or analyzers) directly to PROX OUT can short the loop or introduce ground currents, leading to false thrust alarms or trips. Use the 122115-01 test adapter for AC-powered equipment.\u003c\/li\u003e\n\u003cli\u003eSignal Phase Characteristics: The phase of the PROX OUT dynamic signal is inverted compared to standard Bently Nevada Proximitor sensors. The 122115-01 test adapter inverts the signal to restore standard polarity conventions for external diagnostic equipment.\u003c\/li\u003e\n\u003cli\u003eThread Engagement Limits: Ensure proper thread engagement when mounting the probe (e.g., maximum 0.375 inch engagement for 1\/4-28 threads, and maximum 0.563 inch for 3\/8-24 threads). Exceeding 1.5 times the nominal thread diameter may cause internal binding and damage the casing.\u003c\/li\u003e\n\u003cli\u003eMoisture Protection: While the transmitter housing is rated for 100 percent condensing relative humidity, it must not be submerged. All external coaxial connectors must be sealed using ClickLoc connector protectors (such as fluorosilicone sleeves) to prevent moisture or oil ingress.\u003c\/li\u003e\n\u003cli\u003eLoop Resistance Restrictions: Verify that the total loop resistance, R_LOOP, does not exceed the maximum allowed by the power supply voltage. If the loop resistance is too high, the transmitter will be unable to drive the full 20 mA output under maximum displacement conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFCC: Complies with FCC Rules Part 15.\u003c\/li\u003e\n\u003cli\u003eATEX: Complies with ATEX Directive 2014\/34\/EU.\u003c\/li\u003e\n\u003cli\u003eRoHS: Complies with RoHS Directive 2011\/65\/EU.\u003c\/li\u003e\n\u003cli\u003eChina RoHS: Environmentally Friendly Use Period (EFUP) is rated for 15 years per SJ\/T 11364-2014.\u003c\/li\u003e\n\u003cli\u003eMaritime: Approved under the ABS 2009 Steel Vessels Rules.\u003c\/li\u003e\n\u003cli\u003eCanada and US Safety Approvals (cNRTLus):\n\u003cul\u003e\n\u003cli\u003eClass I, Division 2, Groups A, B, C, D; T5 at Ta = +85 deg C, Type 4 (when installed per drawing 128838).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eHazardous Area Certifications (ATEX\/IECEx):\n\u003cul\u003e\n\u003cli\u003eII 1G Ex ia IIC T4 Ga, T4 at Ta = -30 deg C to +85 deg C.\u003c\/li\u003e\n\u003cli\u003eII 3G Ex ec IIC T4 Gc, T4 at Ta = -30 deg C to +85 deg C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntrinsic Safety Entity Parameters (Zone 0\/1):\n\u003cul\u003e\n\u003cli\u003eTerminals E1-E2 (Power\/Loop): U_i = 28 V, I_i = 120 mA, P_i = 0.84 W, C_i = 20 nF, L_i = 10 microhenries.\u003c\/li\u003e\n\u003cli\u003eTerminals E3-E4 and J2 Connector (Prox Output): U_o = 28 V, I_o = 6 mA, P_o = 0.17 W, C_o = 80 nF, L_o = 1 H.\u003c\/li\u003e\n\u003cli\u003eJ3 Interface (Probe Connection): U_o = 28 V, I_o = 100 mA, P_o = 0.8 W, C_o = 27.3 nF, L_o = 5.3 mH.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003ch4\u003eQ1: What are the primary logical functional limitations of the 991 transmitter compared to standard monitoring systems like the 3500 series?\u003c\/h4\u003e\n\u003cp\u003eA1: The 991 transmitter does not include complex monitoring logic such as Timed OK channel defeat, Danger Bypass, or Trip Multiply. Its analog 4-20 mA current output also prevents direct software-level integration with plant asset management platforms like System 1 or Rule Paks.\u003c\/p\u003e\n\u003ch4\u003eQ2: What is the calibrated measurement range for configuration 991-25-70-03-05?\u003c\/h4\u003e\n\u003cp\u003eA2: The \"25\" range option signifies a full-scale linear measuring range of 25-0-25 mils of axial displacement mapped to the 4 to 20 mA current loop.\u003c\/p\u003e\n\u003ch4\u003eQ3: What total system length is required for this specific configuration?\u003c\/h4\u003e\n\u003cp\u003eA3: The \"70\" system length option dictates that the transmitter must be used exclusively with a combined 7.0 meter (23.0 feet) 3300 NSv proximity probe and extension cable system. Mixing 5.0 meter system components will degrade the calibration and linearity.\u003c\/p\u003e\n\u003ch4\u003eQ4: What happens if an AC-powered oscilloscope is connected directly to the PROX OUT BNC jack?\u003c\/h4\u003e\n\u003cp\u003eA4: Because the PROX OUT connector ground is shared with the 4-20 mA loop return (COM), connecting an AC-powered instrument with a common ground can create ground loops or cause a short circuit, resulting in false thrust alarms or machinery trips at the control system.\u003c\/p\u003e\n\u003ch4\u003eQ5: How can external AC-powered diagnostic instruments be safely connected?\u003c\/h4\u003e\n\u003cp\u003eA5: Use the Bently Nevada 122115-01 test adapter. This adapter provides isolation between the transmitter circuit and the test instrument to eliminate ground loops while also inverting the signal 180 degrees to match standard instrument polarity.\u003c\/p\u003e\n\u003ch4\u003eQ6: What is the dynamic response time of the 991 current loop during a sensor fault?\u003c\/h4\u003e\n\u003cp\u003eA6: If a probe or cable open\/short circuit causes a Not OK state, the output current drops below 3.6 mA within 100 microseconds. Once the fault is resolved, the loop recovers to an OK status within 0.1 seconds.\u003c\/p\u003e\n\u003ch4\u003eQ7: How does the power supply voltage affect the loop resistance capability of the transmitter?\u003c\/h4\u003e\n\u003cp\u003eA7: The transmitter requires between +12 Vdc and +35 Vdc at its terminals. The maximum allowable loop resistance (including wiring and safety barriers) is determined by the formula: R_LOOP = 43.5 x (V_PS - 12) ohms. Insufficient voltage or high resistance will clamp the maximum current output below 20 mA.\u003c\/p\u003e\n\u003ch4\u003eQ8: What is the function of the Test Input pin on the transmitter?\u003c\/h4\u003e\n\u003cp\u003eA8: The Test Input pin allows technicians to apply an external variable DC voltage source to simulate probe gap changes. This permits loop and alarm verification in the control system without removing or adjusting the physical proximity probe.\u003c\/p\u003e\n\u003ch4\u003eQ9: Do the Zero and Span potentiometers affect each other during calibration?\u003c\/h4\u003e\n\u003cp\u003eA9: No, the transmitter utilizes non-interacting potentiometers. Adjusting the zero position does not alter the span slope, and adjusting the span does not shift the zero point, simplifying the calibration process.\u003c\/p\u003e\n\u003ch4\u003eQ10: What is the maximum permissible distance for the loop output cabling?\u003c\/h4\u003e\n\u003cp\u003eA10: When using the recommended 1.0 mm sq (18 AWG) shielded twisted-pair cable and a 35 Vdc power supply, the current loop signal can be transmitted up to a maximum distance of 13 km (8 miles).\u003c\/p\u003e\n\u003ch4\u003eQ11: Can this specific model be installed in hazardous industrial locations?\u003c\/h4\u003e\n\u003cp\u003eA11: Yes, the \"05\" agency approval option provides a multi-agency certification suite. The unit can be installed in Class I, Division 2 environments or used as an intrinsically safe device (Ex ia IIC T4 Ga) in Zone 0\/1 locations when wired through an approved safety barrier.\u003c\/p\u003e\n\u003ch4\u003eQ12: Why must the 991 transmitter be paired with a 3300 NSv probe instead of a standard 8mm probe?\u003c\/h4\u003e\n\u003cp\u003eA12: The internal conditioning circuitry of the 991 transmitter is calibrated for the electrical and physical characteristics of the 3300 NSv probe, which is designed for tight clearances and small counterbores. Connecting an 8mm probe will cause severe scale factor errors.\u003c\/p\u003e\n\u003ch4\u003eQ13: What protection is required for the coaxial connections in wet environments?\u003c\/h4\u003e\n\u003cp\u003eA13: Although the transmitter body is fully potted against 100 percent condensing humidity, the coaxial ClickLoc connectors between the probe and extension cable can suffer from signal attenuation if exposed to moisture or oil. They must be protected with fluorosilicone connector protectors.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666619691371,"sku":"991-25-70-03-05","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-991-25-70-03-05-thrust-transmitter-igpun1n1wzm_542b5d48-f5db-4c44-848a-9fb221ea0051.jpg?v=1765444241"},{"product_id":"bently-nevada-991-06-70-01-cn-991-thrust-transmitter","title":"Bently Nevada 991-06-70-01-CN 991 Thrust Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 991-06-70-01-CN\u003c\/strong\u003e is a 2-wire, loop-powered \u003cstrong\u003e991 Thrust Transmitter\u003c\/strong\u003e engineered to measure axial shaft position and thrust displacement on rotating machinery. The transmitter processes raw signals from a compatible proximity probe system and conditions them into a stable 4 to 20 mA DC output directly proportional to mechanical movement. This design allows for direct integration into PLCs, DCS architectures, or SCADA systems without requiring a dedicated machinery protection monitor rack. It provides continuous, cost-effective monitoring for critical industrial assets where axial displacement tracking is required to prevent catastrophic thrust bearing failure.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLoop-powered 2-wire architecture reduces field wiring overhead and installation costs.\u003c\/li\u003e\n\u003cli\u003eStandard 4 to 20 mA DC analog output connects directly to process control systems.\u003c\/li\u003e\n\u003cli\u003eFront-panel BNC jack provides a buffered raw voltage signal for diagnostics and portable data collectors.\u003c\/li\u003e\n\u003cli\u003eNon-contacting eddy current sensing technology ensures long-term wear-free operation.\u003c\/li\u003e\n\u003cli\u003eCompact, space-saving design suitable for direct high-density DIN rail mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentrifugal compressor axial thrust displacement monitoring\u003c\/li\u003e\n\u003cli\u003eSteam and gas turbine rotor position tracking\u003c\/li\u003e\n\u003cli\u003eHigh-pressure boiler feed pump shaft alignment\u003c\/li\u003e\n\u003cli\u003eIndustrial gearbox thrust bearing wear diagnostics\u003c\/li\u003e\n\u003cli\u003eForced draft and induced draft fan shaft positioning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e991: Thrust Transmitter\u003c\/li\u003e\n\u003cli\u003e06: 3300 XL 8 mm proximity probe compatibility with 1.0 mm linear range\u003c\/li\u003e\n\u003cli\u003e70: 7.0 metres system length option\u003c\/li\u003e\n\u003cli\u003e01: 35 mm DIN rail mounting option\u003c\/li\u003e\n\u003cli\u003eCN: Approvals option certified for specialized regional or country-specific standards (China\/NEPSI\/GB)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\" style=\"width: 37.9061%;\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\" style=\"width: 61.7329%;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\" style=\"width: 37.9061%;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd data-row=\"2\" style=\"width: 61.7329%;\"\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\" style=\"width: 37.9061%;\"\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd data-row=\"3\" style=\"width: 61.7329%;\"\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\" style=\"width: 37.9061%;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-row=\"4\" style=\"width: 61.7329%;\"\u003eThrust Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\" style=\"width: 37.9061%;\"\u003eOutput Signal\u003c\/td\u003e\n\u003ctd data-row=\"5\" style=\"width: 61.7329%;\"\u003e4 to 20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\" style=\"width: 37.9061%;\"\u003ePower Input\u003c\/td\u003e\n\u003ctd data-row=\"6\" style=\"width: 61.7329%;\"\u003e17 to 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\" style=\"width: 37.9061%;\"\u003eLinear Range\u003c\/td\u003e\n\u003ctd data-row=\"7\" style=\"width: 61.7329%;\"\u003e1.0 mm (approx. 40 mils)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"8\" style=\"width: 37.9061%;\"\u003eTransmitter Operating Temperature\u003c\/td\u003e\n\u003ctd data-row=\"8\" style=\"width: 61.7329%;\"\u003e-35 to +85 Celsius (-31 to +185 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"9\" style=\"width: 37.9061%;\"\u003eTransmitter Storage Temperature\u003c\/td\u003e\n\u003ctd data-row=\"9\" style=\"width: 61.7329%;\"\u003e-51 to +100 Celsius (-60 to +212 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"10\" style=\"width: 37.9061%;\"\u003eProbe Operating Temperature\u003c\/td\u003e\n\u003ctd data-row=\"10\" style=\"width: 61.7329%;\"\u003e-52 to +177 Celsius (-62 to +351 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"11\" style=\"width: 37.9061%;\"\u003eEnclosure Material\u003c\/td\u003e\n\u003ctd data-row=\"11\" style=\"width: 61.7329%;\"\u003eZinc-plated steel or structural polymer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"12\" style=\"width: 37.9061%;\"\u003eMounting Base\u003c\/td\u003e\n\u003ctd data-row=\"12\" style=\"width: 61.7329%;\"\u003e35 mm DIN rail mount (or bulkhead mount configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"13\" style=\"width: 37.9061%;\"\u003eTransmitter Weight\u003c\/td\u003e\n\u003ctd data-row=\"13\" style=\"width: 61.7329%;\"\u003e0.43 kg (0.9 lbm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"14\" style=\"width: 37.9061%;\"\u003eTotal System Weight\u003c\/td\u003e\n\u003ctd data-row=\"14\" style=\"width: 61.7329%;\"\u003e0.82 kg (1.8 lbm) typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"15\" style=\"width: 37.9061%;\"\u003eFootprint \/ Base Dimensions\u003c\/td\u003e\n\u003ctd data-row=\"15\" style=\"width: 61.7329%;\"\u003e100.1 mm x 73.9 mm (3.94 in x 2.91 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"16\" style=\"width: 37.9061%;\"\u003eMounting Hole Pattern (Bulkhead)\u003c\/td\u003e\n\u003ctd data-row=\"16\" style=\"width: 61.7329%;\"\u003e69.9 mm x 63.5 mm (2.75 in x 2.50 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"17\" style=\"width: 37.9061%;\"\u003eHeight (Including DIN Clip)\u003c\/td\u003e\n\u003ctd data-row=\"17\" style=\"width: 61.7329%;\"\u003e53.3 mm (2.10 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"18\" style=\"width: 37.9061%;\"\u003eHeight (Body Only)\u003c\/td\u003e\n\u003ctd data-row=\"18\" style=\"width: 61.7329%;\"\u003e42.6 mm (1.68 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"19\" style=\"width: 37.9061%;\"\u003eMounting Hole Diameter\u003c\/td\u003e\n\u003ctd data-row=\"19\" style=\"width: 61.7329%;\"\u003e5.8 mm (0.23 in), 4 places\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eConnections \/ Interfaces\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eConnector Pin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003e+4-20mA \/ +VTX\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003ePositive Power Supply \/ Current Loop Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003e-4-20mA \/ -VTX\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eNegative Power Supply \/ Current Loop Return\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003ePROX\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eProximity Probe Center Conductor Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eCOM\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003eCommon Reference \/ Coaxial Shield Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eSHLD\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003eInstrument Shield Ground Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eBNC Jack\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003eDynamic Voltage Signal Output (10.2 mV\/micrometer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN Rail Attachment:\u003c\/strong\u003e Secure the housing firmly onto a standard 35 mm DIN rail using the integrated DIN mount clips inside a protective industrial enclosure rated IP54 or higher.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulkhead Mounting Option:\u003c\/strong\u003e Alternatively, use the 4 mounting holes ($5.8 \\text{ mm}$ diameter) spaced at $69.9 \\text{ mm} \\times 63.5 \\text{ mm}$ for flat panel\/bulkhead installations with the provided 6-32 x 1.326 screws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding Protocol:\u003c\/strong\u003e Connect the input transducer cable shield to the SHLD terminal. The external control loop shield must be grounded at the control system (PLC\/DCS) side only to eliminate ground loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Gapping:\u003c\/strong\u003e Set the physical probe gap using a digital voltmeter across the BNC jack or COM terminals to verify the sensor sits within its linear voltage range before operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeparation of Wiring:\u003c\/strong\u003e Route all input sensor cables and output current loop wiring away from high-voltage AC lines or variable frequency drive cables to mitigate EMI\/RFI noise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCN Approval Variant (Certified for regional hazardous area compliance, such as NEPSI \/ GB standards)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the exact enclosure dimensions for cabinet layout planning?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe base footprint measures 100.1 mm in length by 73.9 mm in width, with a maximum profile height of 53.3 mm when the 35 mm DIN rail clip is attached.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size are the alternative bulkhead installation holes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe unit features 4 mounting holes with a diameter of 5.8 mm, laid out in a precise 69.9 mm by 63.5 mm rectangular center pattern.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the function of the BNC connector on the faceplate?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt provides an unconditioned, buffered raw voltage output for connecting diagnostic instruments and dynamic signal analyzers without disrupting the 4 to 20 mA current loop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this device require a separate power supply line?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, it operates entirely on loop power, drawing its operating voltage directly from the 4 to 20 mA signal line.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if the system length option is mismatched with the probe?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eConnecting a probe\/extension cable combination that does not match the specified 7.0-metre calibration will result in severe measurement non-linearity and scale factor errors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this transmitter be mounted in an outdoor environment?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt must be installed within a weatherproof NEMA 4X or IP65\/66 rated field junction box to protect it from moisture, dust, and direct sunlight.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the transmitter output compatible with standard analog input cards?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the 4 to 20 mA output directly connects to standard differential or single-ended analog input cards on any PLC or DCS.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the meaning of the CN suffix code?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe CN suffix denotes specific regional certification compliance, commonly matching China national safety and hazardous area standards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the unit be calibrated in the field for different linear ranges?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, the linear range and scale factors are hard-wired and factory-calibrated. Range changes require a different model configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does reverse loop polarity affect the transmitter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe device features internal diode protection against reverse polarity, meaning it will not function when wired backward but will not be damaged.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666643317099,"sku":"991-06-70-01-CN","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-991-06-70-01-cn-991-thrust-transmitter-vzobeoytryv_65189d7a-0c45-4520-9f64-15e9dd9f51fd.jpg?v=1765444581"},{"product_id":"bently-nevada-990-04-50-01-00-990-vibration-transmitter","title":"Bently Nevada 990-04-50-01-00 990 Vibration Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e990 vibration transmitter\u003c\/strong\u003e provides a simplified vibration measurement interface for rotating machinery by converting proximity probe displacement into a standardized \u003cstrong\u003e4–20 mA output signal\u003c\/strong\u003e. It is designed for OEM applications where vibration indication is required for control system logic rather than full condition monitoring.\u003c\/p\u003e\n\u003cp\u003eThis configuration (\u003cstrong\u003e990-04-50-01-00\u003c\/strong\u003e) is optimized for short system installation using a 5.0 meter probe cable and DIN rail mounting structure. It operates as a loop-powered device and integrates signal conditioning internally, reducing external instrumentation requirements.\u003c\/p\u003e\n\u003cp\u003eThe measurement principle is based on proximity probe displacement, processed into peak-to-peak vibration amplitude suitable for trend-based machinery protection.\u003c\/p\u003e\n\u003ch3\u003eConfiguration Breakdown\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSelection\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e990 Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-scale Range\u003c\/td\u003e\n\u003ctd\u003e0–4 mils pp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length\u003c\/td\u003e\n\u003ctd\u003e5.0 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApproval Option\u003c\/td\u003e\n\u003ctd\u003eCSA \/ ATEX \/ maritime variant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFunctional Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-wire loop powered architecture\u003c\/li\u003e\n\u003cli\u003eDirect 4–20 mA vibration proportional output\u003c\/li\u003e\n\u003cli\u003eCompatible with 3300 NSv proximity probe system\u003c\/li\u003e\n\u003cli\u003eInternal signal conditioning and scaling\u003c\/li\u003e\n\u003cli\u003eDIN rail installation format for panel integration\u003c\/li\u003e\n\u003cli\u003eAdjustable loop calibration via external interface points\u003c\/li\u003e\n\u003cli\u003eFault indication through signal suppression behavior\u003c\/li\u003e\n\u003cli\u003eDesigned for compact OEM machinery packages\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSmall centrifugal compressors\u003c\/li\u003e\n\u003cli\u003eIndustrial pump skids\u003c\/li\u003e\n\u003cli\u003eFan assemblies in HVAC systems\u003c\/li\u003e\n\u003cli\u003eGeneral purpose rotating equipment\u003c\/li\u003e\n\u003cli\u003eOEM machine monitoring panels\u003c\/li\u003e\n\u003cli\u003eAuxiliary vibration trend points\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Characteristics\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e4–20 mA proportional vibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoop Resistance\u003c\/td\u003e\n\u003ctd\u003e1000 ohm max (including cable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Limiting\u003c\/td\u003e\n\u003ctd\u003e23 mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Source\u003c\/td\u003e\n\u003ctd\u003e3300 NSv proximity probe system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eMechanical Data\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal System Weight\u003c\/td\u003e\n\u003ctd\u003e0.82 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Target Size\u003c\/td\u003e\n\u003ctd\u003e9.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Type\u003c\/td\u003e\n\u003ctd\u003eDIN rail mounted module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H×W×D)\u003c\/td\u003e\n\u003ctd\u003e53.3 × 73.9 × 100.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEnvironmental Limits\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-35 C to +85 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-51 C to +100 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e100% condensing (non-submerged)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp\u003eDIN rail installation requires stable panel grounding to ensure signal integrity under industrial noise environments. Cable routing should avoid high voltage conductors to reduce electromagnetic interference.\u003c\/p\u003e\n\u003cp\u003eProbe gap must be set within specified range to maintain linear measurement response. System commissioning should verify stable loop current before enabling alarm logic in control systems.\u003c\/p\u003e\n\u003ch3\u003eInterface Definition\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTerminal\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLOOP +\u003c\/td\u003e\n\u003ctd\u003ePower + 4–20 mA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM\u003c\/td\u003e\n\u003ctd\u003eSignal reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePROX OUT\u003c\/td\u003e\n\u003ctd\u003eRaw vibration diagnostic signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of signal does this transmitter output?\u003c\/strong\u003e\u003cbr\u003eIt provides a 4–20 mA signal proportional to vibration amplitude.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it operate without external signal conditioning?\u003c\/strong\u003e\u003cbr\u003eYes, signal conditioning is fully integrated inside the device.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mounting method is used?\u003c\/strong\u003e\u003cbr\u003eThis version uses standard 35 mm DIN rail mounting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the probe system requirement?\u003c\/strong\u003e\u003cbr\u003eIt works with the Bently Nevada 3300 NSv proximity probe system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for full vibration diagnostics?\u003c\/strong\u003e\u003cbr\u003eNo, it is intended for trend-level monitoring and protection logic.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModel: 990 Vibration Transmitter\u003c\/li\u003e\n\u003cli\u003eFull-scale Option: 04 = 0–4 mils pp\u003c\/li\u003e\n\u003cli\u003eSystem Length: 50 = 5.0 meters\u003c\/li\u003e\n\u003cli\u003eMounting: 01 = DIN rail clips\u003c\/li\u003e\n\u003cli\u003eApproval: 00 = Standard configuration\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666732216683,"sku":"990-04-50-01-05","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-04-50-01-05-vibration-transmitter-p3uh3udifdj_ffecf2e9-e202-4102-bd8c-f6eef4d50a92.jpg?v=1765446688"},{"product_id":"bently-nevada-991-06-70-02-01-thrust-transmitter","title":"Bently Nevada 991-06-70-02-01 Thrust Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 991-06-70-02-01\u003c\/strong\u003e is a 2-wire, loop-powered \u003cstrong\u003eThrust Transmitter\u003c\/strong\u003e designed to process signals from a proximity probe system to measure axial shaft position or thrust displacement on rotating machinery. This device conditions the raw signal into a standard 4 to 20 mA analog output proportional to the total target movement. It is engineered to interface directly with control systems like PLC or DCS architectures without requiring a separate monitor rack, providing a cost-effective setup for critical machinery protection. The unit is optimized for integration with compatible proximity transducers to ensure accurate, high-speed axial displacement monitoring in industrial environments.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLoop-powered 2-wire design simplifies field wiring and lowers installation costs.\u003c\/li\u003e\n\u003cli\u003eDirect 4 to 20 mA analog output interfaces seamlessly with PLCs and DCS systems.\u003c\/li\u003e\n\u003cli\u003eNon-contacting eddy current measurement principle provides long-term reliability.\u003c\/li\u003e\n\u003cli\u003eDedicated BNC connector provides buffered raw voltage signal for diagnostics.\u003c\/li\u003e\n\u003cli\u003eCompact DIN rail mountable design saves control cabinet space.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAxial thrust displacement monitoring on centrifugal compressors\u003c\/li\u003e\n\u003cli\u003eSteam and gas turbine rotor axial position tracking\u003c\/li\u003e\n\u003cli\u003eBoiler feed pump shaft monitoring\u003c\/li\u003e\n\u003cli\u003eIndustrial gearbox thrust bearing wear evaluation\u003c\/li\u003e\n\u003cli\u003eHigh-speed fan and blower shaft positioning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e991: Thrust Transmitter\u003c\/li\u003e\n\u003cli\u003e06: 3300 XL 8 mm proximity probe compatibility with 1.0 mm linear range\u003c\/li\u003e\n\u003cli\u003e70: 7.0 metres system length option\u003c\/li\u003e\n\u003cli\u003e02: 35 mm DIN rail mounting option\u003c\/li\u003e\n\u003cli\u003e01: Multi-approval option (ATEX, IECEx, CSA)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eThrust Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eOutput Signal\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003e4 to 20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003ePower Requirements\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003e17 to 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eScale Factor\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003e4 mA\/mm (or equivalent mil-based calibration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"8\"\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd data-row=\"8\"\u003e-35 to +85 Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"9\"\u003eStorage Temperature Range\u003c\/td\u003e\n\u003ctd data-row=\"9\"\u003e-40 to +100 Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"10\"\u003eHousing Material\u003c\/td\u003e\n\u003ctd data-row=\"10\"\u003eZinc-plated steel or specialized polymer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"11\"\u003eMounting Type\u003c\/td\u003e\n\u003ctd data-row=\"11\"\u003e35 mm DIN rail mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"12\"\u003eEstimated Weight\u003c\/td\u003e\n\u003ctd data-row=\"12\"\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"13\"\u003eDimensions\u003c\/td\u003e\n\u003ctd data-row=\"13\"\u003e25.4 mm width x 112 mm height x 99 mm depth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eConnections \/ Interfaces\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eConnector Pin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003e+4-20mA \/ +VTX\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003ePositive Power \/ Loop Current Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003e-4-20mA \/ -VTX\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eNegative Power \/ Loop Current Return\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003ePROX\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eProximity Probe Signal Input Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eCOM\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003eCommon Reference Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eSHLD\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003eShield \/ Earth Ground Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eBNC Jack\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003eBuffered Raw Voltage Output (10.2 mV\/micrometer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN Rail Mounting:\u003c\/strong\u003e Clip the transmitter securely onto a grounded 35 mm DIN rail inside an IP54 or better enclosure to protect against dust and water entry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Termination:\u003c\/strong\u003e Connect the transducer cable shields to the transmitter SHLD terminal, and ensure the control loop shield is grounded at the DCS\/PLC side only.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Gap Adjustment:\u003c\/strong\u003e Ensure the associated proximity probe is mechanically adjusted to its physical mid-range voltage before calibrating the 4 to 20 mA zero-point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Routing:\u003c\/strong\u003e Separate the input proximity probe cables and output current loop cables from high-voltage AC lines to prevent magnetic noise coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply Polarity:\u003c\/strong\u003e Verify loop voltage polarity before energizing to prevent damage to the internal protection diodes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eATEX\u003c\/li\u003e\n\u003cli\u003eIECEx\u003c\/li\u003e\n\u003cli\u003eCSA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary function of this transmitter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt converts raw proximity probe signals into a proportional 4 to 20 mA current loop for tracking shaft axial displacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this device require a separate rack-based monitoring system?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, it is intended to send data directly to a PLC or DCS, eliminating the need for dedicated rack monitors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do engineers collect raw dynamic vibration data from this unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA front-panel BNC jack provides local access to the unconditioned dynamic signal using standard portable data collectors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat loop voltage is required to power the unit properly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe transmitter operates efficiently within a standard loop supply voltage window of 17 to 30 VDC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this unit be mounted directly on the machine housing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt should be installed in a protected field junction box or control enclosure to minimize high-temperature exposure and excessive vibration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if the loop polarity is accidently reversed during wiring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInternal reverse-polarity protection prevents component damage, though the unit will not output a current signal until corrected.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs calibration required during initial installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe hardware comes factory calibrated to specific system lengths and probe types, requiring only gap verification during installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan a 5-metre probe system be connected to a 7.0-metre transmitter option?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, mismatching the electrical system length options will cause significant linearity errors and corrupt the accuracy of the output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the significance of the multi-approval suffix option?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt certifies the transmitter for installation in specific hazardous areas under ATEX, IECEx, and CSA guidelines when installed with barriers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow should electrical noise from variable frequency drives be handled?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEnsure all shields are intact, properly isolated from the machine ground, and tied exclusively to the proper instrument common rail.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666733953387,"sku":"991-06-70-02-01","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-991-06-70-02-01-thrust-transmitter-fb4rym3o53w_88ad2eb0-7ac2-4e76-be22-962babfff94a.jpg?v=1765446737"},{"product_id":"bently-nevada-991-25-70-01-05-thrust-transmitter","title":"Bently Nevada 991-25-70-01-05 Thrust Transmitter","description":"\u003cp\u003eThe Bently Nevada 991-25-70-01-05 is a 2-wire loop-powered thrust (axial displacement) transmitter developed for OEM machinery monitoring applications on compressors, pumps, motors, and rotating equipment. It converts the proximity probe signal into a standard 4–20 mA output for direct integration with PLC, DCS, or control systems.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003eSuffix CodeOption \/ ParameterTechnical Description\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003e-25\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003eFull-scale Option\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003e25-0-25 mils\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003e-70\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eSystem Length Option\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003e7.0 meters (23.0 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003e-01\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eMounting Option\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003e35 mm DIN-rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003e-05\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003eAgency Approval Option\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003eCSA Division 2, ATEX Zone 0, ATEX Zone 2, ABS maritime approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated proximity probe driver circuit\u003c\/li\u003e\n\u003cli\u003e4–20 mA proportional axial displacement output\u003c\/li\u003e\n\u003cli\u003eNon-interacting Zero and Span adjustments\u003c\/li\u003e\n\u003cli\u003ePower-up signal suppression to avoid false trips\u003c\/li\u003e\n\u003cli\u003e“Not OK” signal blanking diagnostics\u003c\/li\u003e\n\u003cli\u003eDedicated PROX OUT dynamic signal connector\u003c\/li\u003e\n\u003cli\u003eEncapsulated construction for high-humidity environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003eParameterDescription\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eCompatible Probe\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003e3300 NSv proximity probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eOutput Signal\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003e4–20 mA DC loop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003ePower Supply\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003e+12 to +35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eDynamic Output\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003ePROX OUT coaxial connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eHumidity Rating\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003e100% condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eNet Weight\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003e0.43 kg (0.95 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"8\"\u003eMounting\u003c\/td\u003e\n\u003ctd data-row=\"8\"\u003e35 mm DIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Steps\u003c\/h3\u003e\n\u003ch4\u003ePhysical Mechanical Mounting\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSnap the transmitter onto a standard 35 mm DIN rail\u003c\/li\u003e\n\u003cli\u003eInstall away from high-temperature sources\u003c\/li\u003e\n\u003cli\u003eUse a 304 stainless steel enclosure for outdoor environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProbe Installation \u0026amp; Gapping\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eUse only matched 3300 NSv probe systems\u003c\/li\u003e\n\u003cli\u003eMaintain a total system cable length of exactly 7.0 meters\u003c\/li\u003e\n\u003cli\u003eVerify the shaft target area meets minimum sizing requirements\u003c\/li\u003e\n\u003cli\u003eAdjust the probe to the midpoint of the linear operating range\u003c\/li\u003e\n\u003cli\u003eConfirm the PROX OUT voltage is approximately 6.5 Vdc\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eElectrical Loop Wiring\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eConnect the transmitter to a +12 to +35 Vdc loop supply\u003c\/li\u003e\n\u003cli\u003eVerify Power (+) and Signal (-) polarity before energizing\u003c\/li\u003e\n\u003cli\u003eTighten the miniature coaxial connector securely\u003c\/li\u003e\n\u003cli\u003eGround the cable shield at the control cabinet side only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eZero \u0026amp; Span Calibration\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eAdjust the Zero potentiometer at the mechanical center position\u003c\/li\u003e\n\u003cli\u003eSet loop output current to 12 mA during midpoint calibration\u003c\/li\u003e\n\u003cli\u003eAdjust the Span potentiometer at full-scale displacement\u003c\/li\u003e\n\u003cli\u003eNon-interacting potentiometers minimize recalibration iterations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003ch4\u003eWhy is the initial probe gap important?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIncorrect gaps limit usable measurement range\u003c\/li\u003e\n\u003cli\u003eImproper installation may allow probe-to-rotor contact\u003c\/li\u003e\n\u003cli\u003eThe operating gap must remain within 0.25 to 1.65 mm (10 to 65 mils)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhy does the loop current drop below 3.6 mA?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThe transmitter has entered “Not OK” protection mode\u003c\/li\u003e\n\u003cli\u003eProbe or extension cable may be open or shorted\u003c\/li\u003e\n\u003cli\u003eThe coaxial connector may not be fully seated\u003c\/li\u003e\n\u003cli\u003eThe failsafe output prevents false PLC or DCS trip signals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCan an oscilloscope connect directly to the PROX OUT port?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThe PROX OUT connector is non-isolated from the 4–20 mA loop\u003c\/li\u003e\n\u003cli\u003eStandard grounded oscilloscopes can create ground loops\u003c\/li\u003e\n\u003cli\u003eUse a battery-powered meter or isolated interface adapter instead\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCan the extension cable be shortened or spliced?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eModifying cable length is strictly prohibited\u003c\/li\u003e\n\u003cli\u003eCable impedance changes affect calibration accuracy\u003c\/li\u003e\n\u003cli\u003eShortening or extending the cable invalidates factory calibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Notes\u003c\/h3\u003e\n\u003cp\u003eThe transmitter is specifically designed for use with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBently Nevada 3300 NSv proximity probe systems\u003c\/li\u003e\n\u003cli\u003eOEM centrifugal compressors\u003c\/li\u003e\n\u003cli\u003eSmall pumps and rotating machinery\u003c\/li\u003e\n\u003cli\u003ePLC and DCS analog input systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666735296875,"sku":"991-25-70-01-05","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-991-25-70-01-05-thrust-transmitter-4nnys1eggun_8af749c8-fb0e-4137-a612-cfed2c951e30.jpg?v=1765446775"},{"product_id":"bently-nevada-991-25-50-03-05-991-thrust-transmitter","title":"Bently Nevada 991-25-50-03-05 991 Thrust Transmitter","description":"\u003cp\u003e\u003cstrong\u003e991 Thrust Transmitter 991-25-50-03-05\u003c\/strong\u003e is a 2-wire, loop-powered axial displacement transmitter designed for continuous thrust position measurement using a 3300 NSv proximity probe and matching extension cable system. The transmitter integrates the Proximitor sensor internally and converts eddy-current scaling signals into a proportional 4 to 20 mA output for machinery control systems monitoring rotor dynamics and shaft axial position. The unit provides non-isolated PROX OUT and COM terminals for dynamic vibration and gap voltage diagnostics, incorporates Not OK signal defeat circuitry for fault suppression, and supports DIN-rail or bulkhead mounting in high-humidity industrial environments.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003eSuffix Code Option \/ Parameter Technical Description\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003e-25\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003eFull-scale Option\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003e25-0-25 mils\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003e-50\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eSystem Length Option\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003e5.0 meters (16.4 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003e-03\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eMounting Option\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eDIN clips and screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003e-05\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003eAgency Approval Option\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003eCSA Division 2, ATEX Zone 0, ATEX Zone 2, ABS maritime approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003eParameter Specification\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003eAxial Position Thrust Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eInput Signal\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eOne 3300 NSv proximity probe with extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003ePower Supply\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003e+12 to +35 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eOutput Signal\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003e4 to 20 mADC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eSignal Configuration\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003e2-wire loop-powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eLoop Accuracy\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003eWithin ±1.5% of full scale typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"8\"\u003eAccuracy Reference\u003c\/td\u003e\n\u003ctd data-row=\"8\"\u003eMeasured across 250 Ohm loop resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"9\"\u003eMaximum Loop Resistance\u003c\/td\u003e\n\u003ctd data-row=\"9\"\u003e1,000 Ohm at 35 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"10\"\u003eCurrent Limiting\u003c\/td\u003e\n\u003ctd data-row=\"10\"\u003e23 mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"11\"\u003eZero Adjustment\u003c\/td\u003e\n\u003ctd data-row=\"11\"\u003eExternal non-interacting potentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"12\"\u003eSpan Adjustment\u003c\/td\u003e\n\u003ctd data-row=\"12\"\u003eExternal non-interacting potentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"13\"\u003eNot OK Response Time\u003c\/td\u003e\n\u003ctd data-row=\"13\"\u003eLess than 100 µs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"14\"\u003eOutput Recovery Time\u003c\/td\u003e\n\u003ctd data-row=\"14\"\u003eLess than 0.1 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"15\"\u003eDynamic Signal Output\u003c\/td\u003e\n\u003ctd data-row=\"15\"\u003eNon-isolated PROX OUT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"16\"\u003eRecommended Isolation Adapter\u003c\/td\u003e\n\u003ctd data-row=\"16\"\u003e122115-01 Test Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"17\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd data-row=\"17\"\u003e-35 °C to +85 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"18\"\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd data-row=\"18\"\u003e-51 °C to +100 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"19\"\u003eProbe Operating Temperature\u003c\/td\u003e\n\u003ctd data-row=\"19\"\u003e-52 °C to +177 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"20\"\u003eProbe Storage Temperature\u003c\/td\u003e\n\u003ctd data-row=\"20\"\u003e-52 °C to +177 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"21\"\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd data-row=\"21\"\u003e100% condensing, non-submerged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"22\"\u003eTransducer Tip Material\u003c\/td\u003e\n\u003ctd data-row=\"22\"\u003ePolyphenylene sulfide (PPS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"23\"\u003eProbe Case Material\u003c\/td\u003e\n\u003ctd data-row=\"23\"\u003eAISI 303 or 304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"24\"\u003eProbe Cable Type\u003c\/td\u003e\n\u003ctd data-row=\"24\"\u003e75 Ohm coaxial FEP insulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"25\"\u003eOptional Cable Armor\u003c\/td\u003e\n\u003ctd data-row=\"25\"\u003eFlexible AISI 302 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"26\"\u003eTensile Strength\u003c\/td\u003e\n\u003ctd data-row=\"26\"\u003e222 N (50 lbf) maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"27\"\u003eTransmitter Weight\u003c\/td\u003e\n\u003ctd data-row=\"27\"\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"28\"\u003eTypical System Weight\u003c\/td\u003e\n\u003ctd data-row=\"28\"\u003e0.82 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"29\"\u003eProbe Thread Options\u003c\/td\u003e\n\u003ctd data-row=\"29\"\u003e1\/4-28, 3\/8-24, M8x1, M10x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"30\"\u003eMaximum Thread Engagement 1\/4-28\u003c\/td\u003e\n\u003ctd data-row=\"30\"\u003e0.375 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"31\"\u003eMaximum Thread Engagement 3\/8-24\u003c\/td\u003e\n\u003ctd data-row=\"31\"\u003e0.563 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"32\"\u003eMaximum Thread Engagement M8x1\u003c\/td\u003e\n\u003ctd data-row=\"32\"\u003e12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"33\"\u003eMaximum Thread Engagement M10x1\u003c\/td\u003e\n\u003ctd data-row=\"33\"\u003e15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrust Monitoring Limitations:\u003c\/strong\u003e Unlike continuous monitoring racks, the 991 transmitter cannot perform Timed OK channel defeat, Danger Bypass, or Trip Multiply functions. Connected PLCs or DCSs are not compatible with plant-wide diagnostic software like System 1 or Rule Paks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Gap Calibration:\u003c\/strong\u003e Accurate probe physical gap adjustment is critical. Incorrect target gap settings prevent the loop from reaching full-scale limits in either the normal or counter directions, which deactivates machinery protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget Materials:\u003c\/strong\u003e All eddy-current scaling specifications are calibrated using an AISI 4140 steel target. Other target materials will alter the loop accuracy and response characteristics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Thread Engagement:\u003c\/strong\u003e When mounting the probe, the maximum thread engagement must not exceed 1.5 times the nominal thread diameter (0.375 in for 1\/4-28 threads, 0.563 in for 3\/8-24 threads, 12 mm for M8x1, and 15 mm for M10x1).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostic Polarity and Signal Isolation:\u003c\/strong\u003e The PROX OUT coaxial signal is not isolated from the 4 to 20 mA loop current. Connecting AC-powered oscilloscopes or analyzers directly can cause ground loops and fault alarms; use a 122115-01 \/ 990\/991 Test Adapter to invert and isolate the signal while maintaining standard polarity conventions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoaxial Connector Insulation:\u003c\/strong\u003e Ensure all coaxial connections between the 3300 NSv probe and the extension cable are clean, dry, and wrapped with self-mating silicone tape to maintain 100% condensing humidity protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding:\u003c\/strong\u003e Terminal 3 (COM) must be tied to the loop return or system ground at a single point. Keep instrument cable shields continuous up to the termination point and isolate them from the field housing to prevent electrical noise interference on the loop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField Adjustment Routing:\u003c\/strong\u003e Use the non-interacting zero and span potentiometers located under the transmitter label for minor loop calibration. For verification, a variable DC voltage source can be applied to the Test Input pin to confirm loop output current.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical \u0026amp; Procurement FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the 991 transmitter operate without an external Proximitor sensor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. The transmitter contains an integrated Proximitor sensor and directly accepts a 3300 NSv probe input.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the PROX OUT signal isolated from the loop output?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No. The PROX OUT terminal is non-isolated and should be connected through the 122115-01 Test Adapter when using grounded AC-powered test equipment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which probe system lengths are supported by the 991-25-50-03-05 configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The specified configuration supports a 5.0 meter 3300 NSv probe and extension cable system length.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666741883243,"sku":"991-25-50-03-05","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-991-25-50-03-05-thrust-transmitter-5xhxta0jxjj_c6629be5-70ed-4b84-bd5f-c922465d505a.jpg?v=1765446881"},{"product_id":"bently-nevada-991-06-50-01-05-991-thrust-transmitter","title":"Bently Nevada 991-06-50-01-05 991 Thrust Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 991-06-50-01-05\u003c\/strong\u003e is a 2-wire, loop-powered machinery protection instrument designed to measure axial shaft displacement. This \u003cstrong\u003e991 Thrust Transmitter\u003c\/strong\u003e interfaces directly with a 3300 NSv proximity probe and its matching 5.0-meter extension cable. It processes proximity sensor signals into a standard 4 to 20 mA DC linear current output proportional to total thrust movement. This continuous monitoring signal integrates directly with standard programmable logic controllers (PLCs), distributed control systems (DCSs), or SCADA hardware without requiring dedicated machinery monitoring rack systems. The transmitter incorporates an internal Proximitor sensor within a single potted housing to withstand demanding industrial plant conditions.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated Proximitor sensor inside a standalone enclosure requires no external driver module\u003c\/li\u003e\n\u003cli\u003eNon-isolated PROX OUT and COM coaxial terminals provide dynamic voltage access for portable diagnostic instruments\u003c\/li\u003e\n\u003cli\u003eNon-interacting zero and span adjustment potentiometers simplify field calibration trims\u003c\/li\u003e\n\u003cli\u003eTest Input pin accepts external signal sources for quick verification of current loop output performance\u003c\/li\u003e\n\u003cli\u003eIntegral Power-up Inhibit circuit prevents signal tracking errors caused by initial line voltage transients\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFluid-film thrust bearing monitoring on small centrifugal air compressors\u003c\/li\u003e\n\u003cli\u003eShaft axial displacement tracking on industrial pumps, motors, and cooling tower fans\u003c\/li\u003e\n\u003cli\u003eCritical machinery protection inside petrochemical refineries and power generation plants\u003c\/li\u003e\n\u003cli\u003eGeneral rotating machinery predictive maintenance setups lacking monitoring rack space\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003eElectrical Parameters Value\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003ePower Requirements\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003e2-wire, loop-powered (12 to 35 VDC input)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eCurrent Loop Output\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003e4 to 20 mA DC proportional to thrust position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eMaximum Loop Load\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003e1,000 ohms at 35 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eSystem Accuracy\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003ePlus or minus 1.5% of Full Scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eFault Response\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003eLess than 3.6 mA in 100 microseconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003ePerformance and Hardware Configuration Value\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eFull-Scale Range Option (-06)\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003e0.6-0-0.6 mm (±0.6 mm \/ 25 mils) total thrust movement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eCable System Length (-50)\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003e5.0 meters (16.4 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eMounting Type Option (-01)\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003e35 mm DIN rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eSensor Input Compatibility\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003e3300 NSv proximity probe and extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003eEnvironmental and Mechanical Value\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003e-35 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003e-51 deg C to +100 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003e0 to 100% RH condensing, non-submerged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eVibration Resistance\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003e50g conforming to IEC 60068-2-6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eShock Survival\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003e100g at 11 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eTransmitter Weight\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eConnections \/ Interfaces\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003eTerminal \/ Connector Pin Function\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003e+4-20mA\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003ePositive loop power supply input and current transmission terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003e-4-20mA\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eNegative loop power supply return connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003ePROX OUT\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eCoaxial\/terminal signal output for unisolated dynamic diagnostics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eCOM\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003eCommon circuit reference return for diagnostic instruments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eTEST IN\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003eTest pin interface for function generator or variable DC verification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eCoaxial Connector\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003eMiniature female socket matching the 3300 NSv extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSnap the device onto a standard 35 mm DIN rail assembly or bolt using optional hardware within a weatherproof panel enclosure.\u003c\/li\u003e\n\u003cli\u003eRoute the loop current conductors through dedicated conduit paths separate from high-current AC motor leads or switching control wires to protect against EMI.\u003c\/li\u003e\n\u003cli\u003eSeal all coaxial connections between the 3300 NSv proximity probe, extension cable, and transmitter terminal socket with self-fusing tape to prevent moisture infiltration.\u003c\/li\u003e\n\u003cli\u003eAvoid structural connection adjustments to the zero and span potentiometers until the proximity probe tip clearance has been set to the proper physical gap.\u003c\/li\u003e\n\u003cli\u003eUse an isolated test instrument or a matching Bently Nevada test adapter when connecting AC-powered oscilloscopes to the PROX OUT and COM terminals to protect loop signaling integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompliance and Certifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eATEX\u003c\/li\u003e\n\u003cli\u003eABS\u003c\/li\u003e\n\u003cli\u003eCSA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mechanical movement does the Bently Nevada 991-06-50-01-05 measure?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt measures the axial thrust or displacement of a rotating machinery shaft rather than radial casing vibration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module require a standalone Proximitor driver unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, it features a built-in Proximitor sensor that processes proximity probe eddy-current fields directly within the transmitter module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat specific cable length is this transmitter calibrated to support?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe -50 option specifies that the transmitter is calibrated to match a 5.0-meter proximity probe and extension cable system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the full-scale range defined by the -06 option?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe full-scale measurement limits are 0.6-0-0.6 mm, providing an aggregate scale of ±0.6 mm of shaft axial travel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I connect an AC-powered oscilloscope directly to the PROX OUT pin?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBecause the dynamic PROX OUT terminal is not isolated from the 4 to 20 mA power loop, using an external signal isolation adapter is highly recommended to protect against signal interference.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat sensor is electrically matched with this thrust transmitter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is built exclusively to read signals from a Bently Nevada 3300 NSv proximity probe.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the Power-up Inhibit feature protect the control room loops?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt mutes erroneous transient output currents during startup spikes to prevent false alarms or safety trips in the connected DCS or PLC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of mounting method does this unit feature?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe -01 option provides integral 35 mm DIN rail mounting clips for immediate standard rail installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this unit operate in high-humidity machinery environments?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, it is built with fully potted electronic assemblies and certified up to 100% condensing humidity when coaxial connections are properly protected.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the -05 configuration suffix represent?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe -05 code designates a specific multi-certification agency approval package, including ATEX, CSA, and ABS Marine ratings.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666746274155,"sku":"991-06-50-01-05","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-991-06-50-01-05-vibration-transmitter-bh34x4ouvy4_82ac7102-9bd7-4cad-8aff-31c08d8a50e3.jpg?v=1765446945"},{"product_id":"bently-nevada-990-05-50-02-01-vibration-transmitter","title":"Bently Nevada 990-05-50-02-01 Vibration Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e990-05-50-02-01\u003c\/strong\u003e provides continuous, proportional linear scaling of proximity probe signals into a simplified two-wire loop architecture. Engineered to serve industrial plant operators looking to streamline monitoring on high-speed assets, this compact component interfaces directly with standard machinery control infrastructure where basic alarm limits and process monitoring calculations are performed. By translating physical shaft movement into a standard analog format, it bridges the gap between field-level eddy current measurements and plant-wide control loops.\u003c\/p\u003e\n\u003cp\u003eConstructed using a ruggedized, fully encapsulated potting compound, the unit functions safely when exposed to severe moisture, shifting temperatures, and airborne industrial contaminants. The system operates out of a single combined module housing, removing traditional multi-component panel steps and lowering the total hardware footings required inside remote field enclosures.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombined Signal Processing Housing:\u003c\/strong\u003e Houses the proximity measurement electronics and transmitter circuitry inside a unified enclosure to reduce total component counts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRaw Signal Accessibility:\u003c\/strong\u003e Provides unfiltered dynamic diagnostic measurements through a dedicated high-frequency coaxial port without altering the primary loop output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront-Panel Leveling Potentiometers:\u003c\/strong\u003e Contains uncoupled, non-interacting zero and span trimpots situated safely beneath the environmental overlay label for straightforward device loop adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoop Output Injection Test Pin:\u003c\/strong\u003e Includes an integrated verification path that allows external frequency signals to validate internal circuit operation and loop tracking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Alarm Suppression Logic:\u003c\/strong\u003e Uses an intelligent Not OK fault verification system to swiftly drop loop current below 3.6 mA, ensuring field wiring degradation or probe breaks do not induce false trips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Humidity Environmental Sealing:\u003c\/strong\u003e Features specialized internal potting that permits full 100% condensing humidity operation without degradation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Bulkhead Hardware Integration:\u003c\/strong\u003e Comes factory-configured with rugged mounting bolts optimized for direct plate attachment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-speed centrifugal air compressors\u003c\/li\u003e\n\u003cli\u003eCompact industrial process pumps\u003c\/li\u003e\n\u003cli\u003eMedium and small electric induction motors\u003c\/li\u003e\n\u003cli\u003eIndustrial ventilation fans and exhaust blower systems\u003c\/li\u003e\n\u003cli\u003eAsset-level plant-wide vibration trending networks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePart Number Element\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSelected Option Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eHardware Selection Breakdown\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e990\u003c\/td\u003e\n\u003ctd\u003eBase Vibration Transmitter System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eA: Full-Scale Measurement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e05\u003c\/td\u003e\n\u003ctd\u003e0 to 5 mils peak-to-peak (0 to 125 micrometers pp) range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eB: Calibrated System Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e5.0 meters (16.4 feet) total transducer tracking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eC: Hardware Mounting Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e02\u003c\/td\u003e\n\u003ctd\u003eBulkhead installation screws configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eD: Safety Agency Approvals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e01\u003c\/td\u003e\n\u003ctd\u003eCSA Division 2 certified hazardous location option\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCore Category\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eVerified Engineering Parameter Details\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Input Path\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAccepts 1 single channel non-contacting 3300 NSv eddy current probe and matching cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage Window\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+12 Vdc to +35 Vdc input measured directly at the transmitter wire blocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Loop Signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-wire configuration supplying 4 to 20 mAdc proportional to peak-to-peak displacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoop Error Allocation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWithin ±1.5% of full-scale across a standard 250 ohm monitoring loop resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTarget Proximity Gap\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMechanical installation gap between 0.5 and 1.75 mm (20 and 55 mils)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImpedance Constraints\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,000 ohms maximum loop resistance threshold at full 35 Vdc input power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOvercurrent Threshold\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLimited internally to a maximum of 23 mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoop Fail-Safe Action\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOutput drops below 3.6 mA within 100 microseconds of a probe or connection fault\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFault Recovery Window\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRestores normal analog tracking within 2 to 3 seconds after fault clearance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower-On Stabilization\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDrops output below 3.6 mA for 2 to 3 seconds during initial system power ramp-up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDynamic Port Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 kohm calibrated source impedance configured specifically for a 10 Mohm testing load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor Linear Field\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.4 mm (55 mils) total span beginning 0.25 mm (10 mils) away from target surface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eScale Factor Performance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.87 mV\/micrometer (200 mV\/mil) ±6.5% typical based on an AISI 4140 steel target\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInherent Noise Floor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 mV peak-to-peak typical noise level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Drift Deviation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScale factor remains within ±10% of nominal from 0 degC to +70 degC (+32 degF to +158 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Bandwidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 Hz to 6,000 Hz flat response with +0, -3 dB attenuation curves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Target Profiling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 mm (0.375 in) minimum target surface diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiagnostic Cable Limit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 meters (10 feet) maximum physical cable distance for the coaxial BNC connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmitter Ambient Limits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOperating: -35 degC to +85 degC; Storage: -52 degC to +100 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransducer Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOperating and Storage limits rated from -52 degC to +177 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHardware Mass Metrics\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTransmitter Unit: 0.43 kg (0.9 lbm); Total System: 0.82 kg (1.8 lbm) typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Composition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSensor tip: Polyphenylene sulfide (PPS); Case body: AISI 303 or 304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Manufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBently Nevada (A Baker Hughes Company)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduction Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnited States of America\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eWiring Pin Location\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSystem Terminal Designation\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal E1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLoop Power Supply Positive Input (+) \/ 4 to 20 mA Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal E2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLoop Power Supply Negative Input (-) \/ 4 to 20 mA Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal E3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-Isolated Proximitor Dynamic Output (PROX OUT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal E4\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-Isolated Proximitor Dynamic Common Reference (COM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoaxial J2 Plug\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFront-Facing BNC Dynamic Signal Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoaxial J3 Plug\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeavy Duty Integrated Proximity Probe Input Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Selection Requirements:\u003c\/strong\u003e Run twisted-pair, shielded 1.0 mm2 (18 AWG) conductors for the primary 4 to 20 mA loop runs. The total length of this field loop wiring path can extend up to a maximum distance of 13 km (8 miles).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoop Voltage Calculations:\u003c\/strong\u003e Verify field loop resistances do not violate the linear operational boundary formula: RLOOP = 43.5 x (Vps - 12). If total resistance exceeds this computed maximum, the transmitter cannot reach full-scale 20 mA transmission.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostic Port Phase Orientation:\u003c\/strong\u003e Note that the dynamic voltage signal supplied at the PROX OUT coaxial port is 180 degrees inverted relative to standard Bently Nevada instrumentation systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGround Loop Protection:\u003c\/strong\u003e Do not interface standard mains-powered or non-isolated AC diagnostic instruments directly to the raw PROX OUT ports. Use the 122115-01 Test Adapter to introduce necessary isolation and maintain plant safety integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Coupling Restrictions:\u003c\/strong\u003e Ensure mechanical probe casings do not cross the absolute thread engagement maximum profiles (12 mm for M8x1 and 15 mm for M10x1) to eliminate permanent thread binding risks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFCC Rules Enforcement:\u003c\/strong\u003e Verified under Part 15 of standard FCC interference regulations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial EMC Performance:\u003c\/strong\u003e Certified to EN 61000-6-2, EN 61000-6-4, and the general EMC Directive 2014\/30\/EU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExplosive Atmosphere Directives:\u003c\/strong\u003e Compliant with ATEX Directive 2014\/34\/EU and RoHS Directive 2011\/65\/EU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Lifecycle Compliance:\u003c\/strong\u003e China RoHS 15-Year Environment Friendly Use Period (EFUP) specification under SJ\/T 11364-2024\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine Type Approvals:\u003c\/strong\u003e Certified under ABS 2009 Steel Vessels Rules criteria\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNorth American Safety Marking:\u003c\/strong\u003e cNRTLus certified for Class I, Division 2, Groups A, B, C, and D hazardous fields (T5 @ Ta = +85 degC, Type 4 rating)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternational ATEX\/IECEx Classification:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eII 1 G Ex ia IIC T4 Ga (T4 rating with Ta operational window of -30 degC to +85 degC)\u003c\/li\u003e\n\u003cli\u003eII 3 G Ex ec IIC T4 Gc (T4 rating with Ta operational window of -30 degC to +85 degC)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the practical consequence of exceeding the maximum calculated loop resistance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen the circuit resistance exceeds the limit defined by the supply voltage formula, the system runs out of electrical headroom. As a result, the loop current becomes clamped and fails to reach the 20 mA full-scale limit during high vibration events.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does the analog loop current read under 3.6 mA immediately after applying power?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is an automated power-up inhibit cycle that runs for 2 to 3 seconds. It holds the transmitter in a Not OK state to let internal circuits stabilize, preventing initial electrical switch-on spikes from being misread as vibration trips.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the integrated signal defeat logic handle a broken extension cable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe transmitter recognizes the open circuit as a Not OK condition and immediately drops the analog loop current below 3.6 mA within 100 microseconds. This rapid drop alerts the attached PLC or DCS that the measurement channel has failed rather than reporting an actual machine over-vibration event.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan standard diagnostic instruments be hooked directly up to the BNC terminal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOnly battery-powered or fully floating diagnostic instruments should be attached to the non-isolated PROX OUT port. Grounded, AC-powered instruments require the 122115-01 signal isolation adapter to prevent ground loops that could trigger false alarms on the loop network.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666746437995,"sku":"990-05-50-02-01","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-05-50-02-01-vibration-transmitter-dhn50edof3l_2202303d-6031-43f4-b352-3c8d2644e6c3.jpg?v=1765446950"},{"product_id":"bently-nevada-991-25-50-01-01-991-thrust-transmitter","title":"Bently Nevada 991-25-50-01-01 991 Thrust Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 991-25-50-01-01\u003c\/strong\u003e is a two-wire, loop-powered \u003cstrong\u003ethrust transmitter\u003c\/strong\u003e designed to measure the relative axial position of a rotating machine shaft. It accepts input directly from a \u003cstrong\u003e3300 NSv proximity probe\u003c\/strong\u003e and extension cable, transforming the proximity signal into a proportional 4 to 20 mA current output. This device integrates directly with Programmable Logic Controllers (PLCs), Distributed Control Systems (DCSs), and SCADA networks to provide continuous machinery protection and condition monitoring. Typical industrial applications include centrifugal air compressors, small pumps, motors, and fans with fluid-film thrust bearings where a full machinery protection system monitor rack is not required.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-wire, 4 to 20 mA loop-powered current output\u003c\/li\u003e\n\u003cli\u003eDesigned for non-contacting shaft axial displacement measurement\u003c\/li\u003e\n\u003cli\u003eCompatible with \u003cstrong\u003e3300 NSv proximity probe\u003c\/strong\u003e and extension cable\u003c\/li\u003e\n\u003cli\u003eIntegrated BNC connector for dynamic vibration signal access and diagnostics\u003c\/li\u003e\n\u003cli\u003eDIN rail or panel mounting configurations\u003c\/li\u003e\n\u003cli\u003eNon-interacting zero and span adjustments\u003c\/li\u003e\n\u003cli\u003ePotted construction for high humidity environments up to 100% condensing\u003c\/li\u003e\n\u003cli\u003eNot OK\/Signal Defeat circuit to prevent false alarms due to faulty proximity probes or loose connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentrifugal air compressors\u003c\/li\u003e\n\u003cli\u003eProcess pumps and industrial motors\u003c\/li\u003e\n\u003cli\u003eSteam and gas turbines\u003c\/li\u003e\n\u003cli\u003eElectric motors with thrust bearings\u003c\/li\u003e\n\u003cli\u003eCooling tower fans and blowers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOption Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e991\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThrust Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e25\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull-scale Option: 25-0-25 mils\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e50\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem Length Option: 5.0 meters (16.4 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e01\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMounting Option: 35 mm DIN-rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e01\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAgency Approval Option: CSA Division 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhysical\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximate Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd\u003e53.3 mm x 73.9 mm x 100.1 mm (2.10 in x 2.91 in x 3.94 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eBody Height (without DIN clip)\u003c\/td\u003e\n\u003ctd\u003e42.6 mm (1.68 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eMounting Hole Distance (Width x Length)\u003c\/td\u003e\n\u003ctd\u003e63.5 mm x 69.9 mm (2.50 in x 2.75 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eMounting Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e5.8 mm (0.23 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e12 to 35 Vdc (at the transmitter terminal block)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eCurrent Output\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA (Linear over 50 mils range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eLoop Accuracy\u003c\/td\u003e\n\u003ctd\u003eWithin ±1.5% over specified full-scale range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eMaximum Loop Resistance\u003c\/td\u003e\n\u003ctd\u003e1000 ohms including cable at 35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eCurrent Limiting\u003c\/td\u003e\n\u003ctd\u003e23 mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDynamic\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003eDC to 10 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eBNC Connector Output\u003c\/td\u003e\n\u003ctd\u003eRaw proximity probe voltage buffered (Nominal 200 mV\/mil)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eMinimum Target Size\u003c\/td\u003e\n\u003ctd\u003e9.5 mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironmental\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-35 to +85 Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-51 to +100 Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e100% condensing, non-submerged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTerminal \/ Connector\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePROX\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProximity Probe Input Terminal Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCOM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSignal Common \/ System Ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e+4-20mA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePositive Loop Power \/ Current Output Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-4-20mA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNegative Loop Power \/ Current Output Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBNC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDynamic Signal Output (Buffered Proximity Voltage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003ch3\u003eDimensions and Mounting\u003c\/h3\u003e\n\u003cp\u003eThe module accommodates both panel (bulkhead) and DIN rail mounting options. When using the panel mount configuration, prepare four mounting holes with a spacing layout of 63.5 mm (width) by 69.9 mm (length). Use the standard 5.8 mm diameter mounting holes or the supplied 6-32 x 1.326 screws for secure bulkhead fixation. For DIN rail configurations, ensure a standard 35 mm DIN rail is rigidly installed before snapping on the transmitter's DIN mount clips.\u003c\/p\u003e\n\u003ch3\u003eGrounding and Shielding\u003c\/h3\u003e\n\u003cp\u003eProper grounding is essential to minimize noise interference. The transmitter must be mounted to a grounded plate or a grounded DIN rail. Ensure the cable shield is grounded at only one end, typically at the control room\/DCS side, to prevent ground loops.\u003c\/p\u003e\n\u003ch3\u003eProbe Gap Adjustment\u003c\/h3\u003e\n\u003cp\u003eBefore final commissioning, the proximity probe must be physically positioned (gapped) relative to the shaft target. Adjust the gap until the transmitter output reads approximately 12 mA, which corresponds to the midpoint of the linear thrust range (0 mils).\u003c\/p\u003e\n\u003ch3\u003eCable Routing\u003c\/h3\u003e\n\u003cp\u003eRun probe and loop cables in dedicated, grounded metal conduits or cable trays. Avoid routing transmitter cables parallel to high-voltage AC power lines or heavy machinery switching circuits to prevent electro-magnetic interference (EMI).\u003c\/p\u003e\n\u003ch3\u003eHazardous Area Precautions\u003c\/h3\u003e\n\u003cp\u003eWhen installed in classified areas, appropriate intrinsic safety barriers or explosion-proof housings must be utilized in accordance with local electrical codes and the specific installation drawings provided by the manufacturer.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary function of this thrust transmitter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt measures the axial displacement or thrust position of a rotating machine shaft relative to a fixed reference point using a non-contacting proximity probe.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of probe system is compatible with this transmitter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is designed specifically to interface with a Bently Nevada 3300 NSv proximity probe and extension cable system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the device powered?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is a loop-powered device operating on a 12 to 35 Vdc supply connected via the 4 to 20 mA current loop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the BNC connector provide?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe BNC connector provides a buffered raw voltage signal proportional to the probe gap distance, allowing engineers to connect diagnostic equipment like oscilloscopes or analyzers without disconnecting the loop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this device be used for radial vibration measurements?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, this specific model is configured and calibrated for thrust (axial) position measurement. For radial vibration, a 990 Vibration Transmitter should be used.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the function of the Not OK\/Signal Defeat circuit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe circuit forces the signal output to drop below 3.6 mA within 100 microseconds of a probe fault or loose connection to prevent false alarms in the control system.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666746962283,"sku":"991-25-50-01-01","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-991-25-50-01-01-thrust-transmitter-apzkr42z0zt_98ab5da5-7e2f-4c22-ba5c-ac12cefa8949.jpg?v=1765446967"},{"product_id":"bently-nevada-990-05-50-01-01-990-series-vibration-transmitter","title":"Bently Nevada 990-05-50-01-01 990 Series Vibration Transmitter","description":"\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e990-05-50-01-01\u003c\/strong\u003e is a two-wire, loop-powered vibration transmitter designed primarily for original equipment manufacturers (OEMs) of centrifugal air compressors, small pumps, motors, or fans. This device accepts an input signal from a non-contacting \u003cstrong\u003e3300 NSv\u003c\/strong\u003e proximity probe and its matching extension cable. It conditions the incoming transducer signal into appropriate peak-to-peak vibration amplitude engineering units and provides a proportional 4 to 20 mA industry-standard output signal directly to a machinery control system where alarm logic and protection processes occur.\u003c\/p\u003e\n\u003cp\u003eEquipped with an integrated \u003cstrong\u003eProximitor\u003c\/strong\u003e sensor, the \u003cstrong\u003e990-05-50-01-01\u003c\/strong\u003e eliminates the requirement for an external standalone proximitor unit, reducing cabinet footprint. The encapsulated potted construction makes it highly reliable in harsh, high-humidity environments. For auxiliary diagnostic purposes, the unit includes non-isolated \u003cstrong\u003ePROX OUT\u003c\/strong\u003e and \u003cstrong\u003eCOM\u003c\/strong\u003e terminals along with a coaxial connector to supply dynamic vibration data and gap voltage outputs.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Proximitor Sensor:\u003c\/strong\u003e Combines the electronics within the transmitter casing, requiring no additional separate processing units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Diagnostic Outputs:\u003c\/strong\u003e Features non-isolated PROX OUT and COM terminals alongside a coaxial connector to deliver unfiltered dynamic vibration and gap voltage measurements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined Calibration:\u003c\/strong\u003e Includes non-interacting zero and span potentiometers beneath the primary label to support effortless field loop adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick Loop Verification:\u003c\/strong\u003e Integrates a Test Input pin allowing rapid validation of loop signal outputs via a function generator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot OK \/ Signal Defeat Circuitry:\u003c\/strong\u003e Intercepts faulty inputs from loose connections or damaged proximity probes to immediately suppress false alarms by dropping the loop signal below 3.6 mA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotted Casing Construction:\u003c\/strong\u003e Optimized for high-humidity deployment up to 100% condensing environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Mounting Hardware:\u003c\/strong\u003e Supports standard choice of 35 mm DIN-rail clips or bulkhead mounting configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentrifugal air compressors\u003c\/li\u003e\n\u003cli\u003eIndustrial small pumps\u003c\/li\u003e\n\u003cli\u003eElectric motors\u003c\/li\u003e\n\u003cli\u003eCooling and ventilation fans\u003c\/li\u003e\n\u003cli\u003eRotating machinery overall vibration trending\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eModel \/ Suffix Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eOption Selection\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSelection Description\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e990\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003eVibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-05\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull-scale Option\u003c\/td\u003e\n\u003ctd\u003e0-5 mils pp (0-125 micrometers pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-50\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem Length Option\u003c\/td\u003e\n\u003ctd\u003e5.0 meters (16.4 feet) system length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-01\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMounting Option\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN rail clips included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-01\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAgency Approval Option\u003c\/td\u003e\n\u003ctd\u003eCSA Division 2 regulatory approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter Category\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Specifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAccepts 1 non-contacting 3300 NSv Proximity Probe and extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Input Requirements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRequires +12 to +35 Vdc input at the transmitter terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Output Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mAdc over specified full-scale range in 2-wire configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e4 to 20 mA Loop Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWithin ±1.5% over specified full-scale range (rated from TEST signal input to voltage across a 250 ohm loop resistance)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTarget Probe Gap\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGapped between 0.5 and 1.75 mm (20 and 55 mils) from target\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Loop Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,000 ohm including cable at 35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Limiting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23 mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoop Adjustments\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-interacting external zero and span adjustments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNOT OK \/ Signal Defeat Timing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOutput drops to less than 3.6 mA within 100 microseconds after Not OK; restores within 2-3 seconds after removal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower-up Inhibit Duration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStays at less than 3.6 mA for 2 to 3 seconds after power application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProx Out Output Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 kohm output impedance calibrated for a 10 Mohm load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProx Out Linear Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.4 mm (55 mils); begins at approximately 0.25 mm (10 mils) from target surface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProx Out Incremental Scale Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.87 mV\/micrometer (200 mV\/mil) ±6.5% typical over linear range; worst case ±10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProx Out Typical Noise Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 mV pp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Stability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScale factor remains within ±10% of 7.87 mV\/micrometer from 0 degC to +70 degC (+32 degF to +158 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 Hz to 6,000 Hz +0, -3 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Target Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 mm (0.375 in) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProx Out Coaxial Cable Limit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMaximum cable distance is 3 meters (10 feet) for Proximitor Sensor BNC output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmitter Operating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-35 degC to +85 degC (-31 degF to +185 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmitter Storage Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-52 degC to +100 degC (-62 degF to +212 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe Operating\/Storage Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-52 degC to +177 degC (-62 degF to +351 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Humidity Limits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% condensing, non-submerged, with protection of coaxial connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransducer Tip Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolyphenylene sulfide (PPS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransducer Case Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAISI 303 or 304 Stainless Steel (SST)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe Cable Insulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e75 ohm coaxial, fluoroethylene propylene (FEP) insulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmitter Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.43 kg (0.9 lbm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal System Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.82 kg (1.8 lbm) typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBently Nevada (A Baker Hughes Company)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnited States of America\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTerminal Block \/ Pin\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower Supply (+) \/ 4-20 mA Loop Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower Supply (-) \/ 4-20 mA Loop Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProximitor Dynamic Output \/ Terminal Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE4\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProximitor Dynamic Common \/ Terminal Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eJ2 (Coaxial)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDynamic Vibration \u0026amp; Gap Voltage Output (PROX OUT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eJ3 (Connector)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProximity Probe Input Terminal Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Specifications:\u003c\/strong\u003e Use standard 2-conductor, twisted, shielded 1.0 mm2 (18 AWG) cable (part number 02173006) for loop wiring and terminal-strip PROX OUT runs. Maximum acceptable loop wire path length is 13 km (8 miles).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoop Resistance Restrictions:\u003c\/strong\u003e Ensure that the total loop resistance satisfies the mechanical formulation: RLOOP = 43.5 x (Vps - 12) ohms. Exceeding the maximum resistance region limits full-scale current outputs below 20 mA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePROX OUT Phasing \u0026amp; Isolation:\u003c\/strong\u003e The phase of the PROX OUT raw diagnostic output signal is natively inverted compared to standard Bently Nevada outputs. Never directly connect grounded AC-powered diagnostic gear to the PROX OUT port to protect against false trip conditions. Use the specialized 122115-01 Test Adapter to introduce necessary dynamic voltage inversion and signal isolation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Grounding and Shielding:\u003c\/strong\u003e Terminate cable shields safely at the instrumentation common end to mitigate severe EMI\/RFI noise pickup. Verify probe coaxial cables are protected from industrial moisture intrusion via connector protectors or fluorosilicone boots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Engagement Boundaries:\u003c\/strong\u003e Strictly respect nominal installation torque and maximum thread engagement lengths (12 mm for M8x1, 15 mm for M10x1) to avoid mechanical binding or physical housing failures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFCC:\u003c\/strong\u003e Complies with Part 15 of FCC Rules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEMC Directives:\u003c\/strong\u003e EN 61000-6-2, EN 61000-6-4, EMC Directive 2014\/30\/EU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eATEX Directive:\u003c\/strong\u003e 2014\/34\/EU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS:\u003c\/strong\u003e RoHS Directive 2011\/65\/EU, China RoHS 15-year EFUP (SJ\/T 11364-2024)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaritime:\u003c\/strong\u003e ABS 2009 Steel Vessels Rules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNorth American Approvals:\u003c\/strong\u003e cNRTLus Class I, Division 2, Groups A, B, C, D (T5 @ Ta = +85 degC, Type 4)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazardous Area ATEX\/IECEx Ratings:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eII 1 G Ex ia IIC T4 Ga (T4 @ Ta = -30 degC to +85 degC)\u003c\/li\u003e\n\u003cli\u003eII 3 G Ex ec IIC T4 Gc (T4 @ Ta = -30 degC to +85 degC)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the function of the Not OK\/Signal Defeat circuit on the transmitter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe circuit detects internal or environmental faults such as broken proximity probe hardware or unsecured cable interfaces. When an issue occurs, it rapidly forces the loop output current down to less than 3.6 mA within 100 microseconds, suppressing downstream false protection triggers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan a standard oscilloscope be attached directly to the coaxial output plug?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDirectly connecting mains-powered, grounded AC diagnostic test gear to the raw PROX OUT BNC or terminal strip can create ground loops and generate false alarms. For safe dynamic diagnostic analysis, a 122115-01 Test Adapter is required to correctly invert and isolate the signal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat power supply range is required for standard 2-wire loop operation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe device operates on a 2-wire transmitter network and requires a DC supply voltage input between +12 Vdc and +35 Vdc measured right across the terminal blocks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the power-up inhibit feature behave during system startup sequences?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUpon receiving loop power, the device forces its output signal to drop below 3.6 mA for a duration of 2 to 3 seconds. This initialization delay keeps the machinery control logic from confusing startup power transients with valid over-vibration signals.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666754040171,"sku":"990-05-50-01-01","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-05-50-01-01-vibration-transmitter-qn5uinaqimo_67d12540-3a46-4016-93f8-17cf0f5fec84.jpg?v=1765447016"},{"product_id":"bently-nevada-990-10-xx-01-05-mod-163930-01-vibration-transmitter","title":"Bently Nevada 990-10-XX-01-05 MOD: 163930-01 Vibration Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e990-10-XX-01-05 MOD: 163930-01\u003c\/strong\u003e is a loop-powered 2-wire vibration transmitter engineered to process raw signals from proximity probe systems and output a proportional 4-20 mA analog current loop directly to control architectures. This integration eliminates the need for separate proximitor sensors and centralized monitor racks, allowing for a simplified machinery protection interface on compact rotating assets. The device monitors peak-to-peak casing or shaft vibration to safeguard original equipment manufacturer (OEM) packages against mechanical faults. Optimized for confined physical spaces, the system utilizes specialized narrow-profile transducers to deliver reliable dynamic measurements. The \u003cstrong\u003eMOD: 163930-01\u003c\/strong\u003e designation indicates a specific factory modification tailored to adjust internal circuit gain, tune frequency response curves, or match the input impedance requirements of targeted industrial control loops.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated proximitor and transmitter functionality within a single potted enclosure.\u003c\/li\u003e\n\u003cli\u003eDirectly outputs a 4-20 mA DC signal proportional to overall vibration displacement.\u003c\/li\u003e\n\u003cli\u003eDedicated non-isolated dynamic signal terminals (PROX OUT and COM) for field analysis.\u003c\/li\u003e\n\u003cli\u003eNot OK \/ Signal Defeat circuitry to prevent erroneous control system trips during sensor faults.\u003c\/li\u003e\n\u003cli\u003eFully encapsulated electronics providing resistance to 100% condensing humidity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOEM centrifugal air compressor protection packages.\u003c\/li\u003e\n\u003cli\u003eSmall industrial pump vibration monitoring.\u003c\/li\u003e\n\u003cli\u003eElectric motor shaft displacement tracking.\u003c\/li\u003e\n\u003cli\u003eIndustrial cooling fan and blower machinery protection loops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e990-10-XX-01-05 MOD: 163930-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-Wire Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFull-Scale Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0-10 mils peak-to-peak (0-250 um pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC analog current loop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDynamic Diagnostics\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-isolated coaxial\/terminal PROX OUT and COM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransducer Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3300 NSv proximity probe system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN rail clip mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironmental Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFully potted internal electronics (100% condensing humidity rated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.38 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e115 mm x 45 mm x 95 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eConnector Pin\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e4-20mA (+)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePositive Loop Power Supply Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e4-20mA (-)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNegative Loop Current Output \/ Signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePROX OUT\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnisolated Dynamic Voltage Signal Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCOM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSignal Common \/ Ground reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN Rail Mounting:\u003c\/strong\u003e Securely latch the integrated mounting clip onto a standard 35 mm DIN rail inside a dust-tight enclosure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding and Noise Suppression:\u003c\/strong\u003e Connect the cable shield wires to the instrument ground at the PLC\/DCS cabinet only. Maintain shield continuity through any intermediate junction boxes without grounding the shield locally at the transmitter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransducer Gap Adjustment:\u003c\/strong\u003e Follow standard engineering procedures to adjust the initial mechanical gap of the 3300 NSv probe using the dynamic voltage output from the PROX OUT terminal prior to finalizing installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConduit and Cable Routing:\u003c\/strong\u003e Separate field wiring from high-power electrical cabling to mitigate electromagnetic interference that can distort the low-level transmitter inputs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCSA Division 2\u003c\/li\u003e\n\u003cli\u003eATEX Zone 0 \/ Zone 2\u003c\/li\u003e\n\u003cli\u003eABS Marine Type Approval\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666763051371,"sku":"990-10-XX-01-05","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-10-xx-01-05-mod-163930-01-vibration-transmitter-dydkzrpq2dc_11cadf60-001c-4dad-8c64-bc0d097c2891.jpg?v=1765447159"},{"product_id":"bently-nevada-990-10-50-01-05-990-vibration-transmitter","title":"Bently Nevada 990-10-50-01-05 990 Vibration Transmitter","description":"\u003cp\u003eThe \u003cstrong\u003e990-10-50-01-05\u003c\/strong\u003e is a two-wire, loop-powered vibration transmitter designed to provide a simple 4 to 20 mA proportional vibration signal directly to a machinery control system. This \u003cstrong\u003e990 Vibration Transmitter\u003c\/strong\u003e integrates a Proximitor Sensor into a single unit, accepting input from a 3300 NSv proximity probe and its matching extension cable. It conditions the transducer signal into appropriate peak-to-peak vibration amplitude engineering units, enabling cost-effective machinery protection alarming, logic, and overall vibration trending without requiring an external proximity sensor unit.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated Proximitor Sensor eliminates the need for an external housing or separate signal conditioner.\u003c\/li\u003e\n\u003cli\u003eNon-isolated PROX OUT and COM terminals alongside a coaxial connector provide dynamic vibration and gap voltage signal output for diagnostics.\u003c\/li\u003e\n\u003cli\u003eNon-interacting zero and span potentiometers beneath the transmitter label allow easy loop adjustment.\u003c\/li\u003e\n\u003cli\u003eDedicated Test Input pin enables swift verification of the loop signal output via an external function generator.\u003c\/li\u003e\n\u003cli\u003eBuilt-in Not OK\/Signal Defeat circuit prevents false alarms or high loop outputs caused by loose connections or a faulty proximity probe.\u003c\/li\u003e\n\u003cli\u003eDual mounting flexibility with standard options for either 35 mm DIN-rail clips or bulkhead mounting screws.\u003c\/li\u003e\n\u003cli\u003ePotted construction ensures dependable performance in high-humidity environments up to 100% condensing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentrifugal air compressors\u003c\/li\u003e\n\u003cli\u003eSmall industrial pumps\u003c\/li\u003e\n\u003cli\u003eElectric motors\u003c\/li\u003e\n\u003cli\u003eIndustrial cooling fans\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cp\u003e990: Vibration Transmitter\u003c\/p\u003e\n\u003cp\u003e10: 0-10 mils pp (0-250 um pp) Full-scale Option\u003c\/p\u003e\n\u003cp\u003e50: 5.0 meters (16.4 feet) System Length Option\u003c\/p\u003e\n\u003cp\u003e01: 35 mm DIN rail clips Mounting Option\u003c\/p\u003e\n\u003cp\u003e05: CSA Division 2, ATEX Zone 0, ATEX Zone 2 and includes ABS maritime approval Agency Approval Option\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e990-10-50-01-05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAccepts 1 non-contacting 3300 NSv Proximity Probe and extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Requirements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc input at the transmitter terminal (28 Vdc for Hazardous locations)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mAdc over specified full-scale range in 2-wire configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoop Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWithin +-1.5% over specified full-scale range across a 250 Ohm loop resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Loop Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,000 Ohm including cable at 35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Limiting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23 mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe Gap Requirement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 to 1.75 mm (20 to 55 mils) from target to ensure full scale range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProx Out Linear Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.4 mm (55 mils), starting at approx 0.25 mm (10 mils) from target surface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProx Out Scale Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.87 mV\/um (200 mV\/mil) +-6.5% typical; worst case +-10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 Hz to 6,000 Hz +0, -3 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNot OK \/ Signal Defeat\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOutput drops to less than 3.6 mA within 100 us of fault; restores in 2-3 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower-up Inhibit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOutput held at less than 3.6 mA for 2 to 3 seconds after power application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProx Out Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 kOhm output impedance calibrated for a 10 MOhm load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTypical Noise Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 mV pp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Target Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 mm (0.375 in) diameter AISI 4140 steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Leadwire Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 meters (10 feet) for Proximitor Sensor Output (BNC connector)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature (Transmitter)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-35 to +85 Celsius (-31 to +185 Fahrenheit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature (Transmitter)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-52 to +100 Celsius (-62 to +212 Fahrenheit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating\/Storage Temperature (Probe)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-52 to +177 Celsius (-62 to +351 Fahrenheit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% condensing, non-submerged (with coaxial connector protection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransducer Tip Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolyphenylene sulfide (PPS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransducer Case Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAISI 303 or 304 Stainless Steel (SST)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe Cable Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e75 Ohm coaxial, fluoroethylene propylene (FEP) insulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTensile Strength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e222 N (50 lbf) probe case to probe lead, maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmitter Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.43 kg (0.9 lbm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal System Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.82 kg (1.8 lbm) typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eConnector Pin \/ Terminal\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePROX OUT\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-isolated dynamic vibration and gap voltage signal (BNC\/Terminals)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCOM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCommon reference terminal for loop power and diagnostics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e+\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePositive loop power input (+12 to +35 Vdc)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNegative loop power return \/ 4-20 mA current output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTEST\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTest Input pin for external function generator signal verification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoaxial Jack\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect connection to the 3300 NSv matching extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003ch3\u003eProbe Gap Adjustment\u003c\/h3\u003e\n\u003cp\u003eThe proximity probe must be mechanically gapped between 0.5 and 1.75 mm (20 and 55 mils) from the target surface during installation. This ensures that the probe operates entirely within its linear range and allows the transmitter to accurately generate the full-scale 4 to 20 mA output.\u003c\/p\u003e\n\u003ch3\u003eThread Engagement Limits\u003c\/h3\u003e\n\u003cp\u003eWhen installing the probe into a threaded mounting hole, do not exceed the industry-standard maximum thread engagement length of 1.5 times the nominal thread diameter. For a 1\/4-28 thread, maximum engagement is 0.375 in; for M8x1, it is 12 mm. Exceeding these limits can cause mechanical binding and voids the warranty. For 1\/4-28 probes, a #3 or larger tap drill is recommended.\u003c\/p\u003e\n\u003ch3\u003eSignal Isolation and Diagnostics\u003c\/h3\u003e\n\u003cp\u003eThe PROX OUT coaxial connector provides a dynamic transducer signal for diagnostics but is not isolated from the 4 to 20 mA loop. While it can connect directly to isolated, battery-powered test equipment, using an external test adapter (such as the 990\/991 Test Adapter) is strongly recommended when connecting to AC-powered equipment like oscilloscopes. This preserves loop isolation and prevents false alarms or loop degradation.\u003c\/p\u003e\n\u003ch3\u003eMoisture Protection\u003c\/h3\u003e\n\u003cp\u003eThe transmitter features a potted construction rated for up to 100% condensing humidity. However, the coaxial connectors on the probe and extension cable must be physically protected against fluid ingress to maintain calibration and signal integrity.\u003c\/p\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCSA:\u003c\/strong\u003e Class I, Division 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eATEX:\u003c\/strong\u003e Zone 0, Zone 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine:\u003c\/strong\u003e ABS maritime approval\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 4 to 20 mA loop output be used to analyze vibration phase or establish gap alarms?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 4 to 20 mA loop output provides only overall peak-to-peak vibration amplitude data. It cannot capture vibration phase or support advanced monitoring features such as gap alarms, phase alarms, Danger Bypass, or Trip Multiply.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens to the loop output if the proximity probe cable is disconnected or cut?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe transmitter features a Not OK\/Signal Defeat circuit. If a fault or loose connection occurs, the loop signal drops to less than 3.6 mA within 100 microseconds to prevent high outputs or false machinery alarms. It restores within 2 to 3 seconds once the fault condition is resolved.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs an external Proximitor sensor needed when ordering this transmitter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The unit features a fully integrated Proximitor sensor inside the transmitter housing. It connects directly to the 3300 NSv probe extension cable without needing an intermediary signal conditioner.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666769703275,"sku":"990-10-50-01-05","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-10-50-01-05-990-vibration-transmitter-szxyhyku41t_b40d044d-afe4-4e90-9a27-c5eb4e1db6b8.jpg?v=1765447266"},{"product_id":"bently-nevada-990-05-70-02-00-vibration-transmitter","title":"Bently Nevada 990-05-70-02-00 Vibration Transmitter","description":"\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 990-05-70-02-00\u003c\/strong\u003e is a two-wire, loop-powered \u003cstrong\u003e990 Vibration Transmitter\u003c\/strong\u003e designed to process signals from proximity probes into a proportional 4 to 20 mA industry-standard current loop. The device directly interfaces with a \u003cstrong\u003e3300 NSv proximity probe\u003c\/strong\u003e and its matching extension cable to monitor peak-to-peak vibration amplitude. This transmitter provides an engineered solution for machinery control systems where local control-level protection alarming and logic are required. It operates as an integrated Proximitor Sensor unit, optimizing signal processing for compact industrial equipment.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated Proximitor Sensor requires no external driver unit.\u003c\/li\u003e\n\u003cli\u003eNon-isolated PROX OUT and COM terminals plus a coaxial connector deliver dynamic vibration and gap voltage signals.\u003c\/li\u003e\n\u003cli\u003eNon-interacting zero and span potentiometers enable straightforward calibration and loop adjustment.\u003c\/li\u003e\n\u003cli\u003eTest Input pin permits direct verification of the loop output using an external function generator.\u003c\/li\u003e\n\u003cli\u003eNot OK\/Signal Defeat circuit quickly drops output below 3.6 mA to suppress false alarms during probe faults.\u003c\/li\u003e\n\u003cli\u003ePotted construction provides robust environmental protection for high-humidity installations.\u003c\/li\u003e\n\u003cli\u003eCompact design supports installation in confined spaces with minimal clearance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentrifugal air compressors\u003c\/li\u003e\n\u003cli\u003eSmall pumps and fluid machinery\u003c\/li\u003e\n\u003cli\u003eIndustrial electric motors\u003c\/li\u003e\n\u003cli\u003eCooling and ventilation fans\u003c\/li\u003e\n\u003cli\u003eOEM machinery control system integration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSuffix Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eOption Type\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eField Description\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e990\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003e990 Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-05\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA: Full-scale Option\u003c\/td\u003e\n\u003ctd\u003e0-5 mils pp (0-125 um pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-70\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eB: System Length Option\u003c\/td\u003e\n\u003ctd\u003e7.0 meters (23.0 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-02\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eC: Mounting Option\u003c\/td\u003e\n\u003ctd\u003eBulkhead screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-00\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eD: Agency Approval Option\u003c\/td\u003e\n\u003ctd\u003eNot required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIdentity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e990-05-70-02-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInput\u003c\/td\u003e\n\u003ctd\u003e1 non-contacting 3300 NSv Proximity Probe and extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003ePower Requirements\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc input at the transmitter terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eSignal Output\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mAdc over specified full-scale range (2-wire configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA Loop Accuracy\u003c\/td\u003e\n\u003ctd\u003eWithin +\/-1.5% over specified full-scale range across 250 Ohm resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eMaximum Loop Resistance\u003c\/td\u003e\n\u003ctd\u003e1,000 Ohm including cable at 35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eCurrent Limiting\u003c\/td\u003e\n\u003ctd\u003e23 mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eZero and Span\u003c\/td\u003e\n\u003ctd\u003eNon-interacting external adjustments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eNOT OK\/Signal Defeat\u003c\/td\u003e\n\u003ctd\u003eSignal output \u0026lt; 3.6 mA within 100 us of fault; restores in 2-3 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003ePower-up Inhibit\u003c\/td\u003e\n\u003ctd\u003eSignal output \u0026lt; 3.6 mA for 2 to 3 seconds after power application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDynamic Performance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProx Out Linear Range\u003c\/td\u003e\n\u003ctd\u003e1.4 mm (55 mils), begins approx. 0.25 mm (10 mils) from target\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eProx Out Scale Factor\u003c\/td\u003e\n\u003ctd\u003e7.87 mV\/um (200 mV\/mil) +\/-6.5% typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTemperature Stability\u003c\/td\u003e\n\u003ctd\u003eScale factor remains within +\/-10% of 7.87 mV\/um from 0 Celsius to +70 Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e5 Hz to 6,000 Hz +0, -3 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eMinimum Target Size\u003c\/td\u003e\n\u003ctd\u003e9.5 mm (0.375 in) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironmental\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTransmitter Operating Temp\u003c\/td\u003e\n\u003ctd\u003e-35 Celsius to +85 Celsius (-31 Fahrenheit to +185 Fahrenheit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTransmitter Storage Temp\u003c\/td\u003e\n\u003ctd\u003e-52 Celsius to +100 Celsius (-62 Fahrenheit to +212 Fahrenheit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eProbe Operating\/Storage Temp\u003c\/td\u003e\n\u003ctd\u003e-52 Celsius to +177 Celsius (-62 Fahrenheit to +351 Fahrenheit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e100% condensing, non-submerged (with coaxial connector protection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMechanical\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTransducer Tip Material\u003c\/td\u003e\n\u003ctd\u003ePolyphenylene sulfide (PPS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTransducer Case Material\u003c\/td\u003e\n\u003ctd\u003eAISI 303 or 304 Stainless Steel (SST)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eProbe Cable Type\u003c\/td\u003e\n\u003ctd\u003e75 Ohm coaxial, fluoroethylene propylene (FEP) insulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTransmitter Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg (0.9 lbm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTotal System Weight\u003c\/td\u003e\n\u003ctd\u003e0.82 kg (1.8 lbm) typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eInterface \/ Terminal\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmitter Terminals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc Loop Power Input and 4-20 mA Signal Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePROX OUT Terminal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-isolated dynamic transducer signal for local diagnostic connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCOM Terminal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCommon reference point for signal verification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoaxial Connector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBNC connection for dynamic vibration and gap voltage monitoring (Max 3m distance)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTest Input Pin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSignal injection point for verifying loop response via a function generator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003ch3\u003eProbe Gap Adjustment\u003c\/h3\u003e\n\u003cp\u003eThe proximity probe must be physically gapped between 0.5 and 1.75 mm (20 and 55 mils) from the target surface. This ensures the target remains inside the transmitter's linear measurement range during machine operation.\u003c\/p\u003e\n\u003ch3\u003eThread Engagement Limits\u003c\/h3\u003e\n\u003cp\u003eDo not exceed the maximum thread engagement lengths during installation to avoid component binding. For 1\/4-28 threads, the limit is 0.375 inches; for M8x1 threads, the limit is 12 mm. Bently Nevada does not cover warranty replacements for probes damaged by excessive thread engagement.\u003c\/p\u003e\n\u003ch3\u003eMoisture Protection\u003c\/h3\u003e\n\u003cp\u003eThe unit utilizes potted construction suitable for up to 100% condensing humidity. To maintain loop integrity, all coaxial connectors must be protected against direct moisture ingress using appropriate sealing boots or enclosures.\u003c\/p\u003e\n\u003ch3\u003eSignal Isolation and Test Adapters\u003c\/h3\u003e\n\u003cp\u003eThe PROX OUT coaxial connector is non-isolated from the 4 to 20 mA loop circuit. While compatible with ungrounded, portable test equipment, you must use a 122115-01 or 990\/991 Test Adapter when connecting to grounded, ac-powered test equipment like oscilloscopes to isolate the loops and maintain safety integrity.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat limitations do vibration transmitters have compared to standard machinery protection monitors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTransmitters provide peak-to-peak trending data only and cannot capture dynamic waveforms during an alarm event. They do not support phase tracking, gap alarms, Timed OK channel defeat, Danger Bypass, or Trip Multiply, and they cannot interface with plant-wide diagnostic platforms like System 1.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the Not OK circuit manage loose sensor connections?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf a probe connection loosens or fails, the transmitter drops the loop output below 3.6 mA within 100 microseconds. Once the connection is secure, the transmitter waits 2 to 3 seconds before restoring the standard output signal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size target is required for the transmitter to meet its accuracy specification?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe target must have a minimum diameter of 9.5 mm (0.375 inches) and be composed of AISI 4140 steel to maintain the calibrated scale factor.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666849362283,"sku":"990-05-70-02-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-05-70-02-00-vibration-transmitter-dzqdke2pxtm_6cabc840-bf2b-46c8-9c16-0efd97486b2a.jpg?v=1765449009"},{"product_id":"bently-nevada-990-04-50-02-00-2-wire-vibration-transmitter","title":"Bently Nevada 990-04-50-02-00 2-Wire Vibration Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e990-04-50-02-00\u003c\/strong\u003e is a compact loop-powered vibration transmitter used to convert proximity probe displacement into a standard 4 to 20 mA signal for industrial monitoring systems. It is designed for applications where vibration data is required for continuous trend observation and basic protection logic rather than full waveform diagnostics.\u003c\/p\u003e\n\u003cp\u003eThis version uses a \u003cstrong\u003ebulkhead screw mounting arrangement\u003c\/strong\u003e, which is often preferred in control panel designs where direct enclosure mounting is required. In practice, engineers choose this type when they want a rigid installation point that reduces mechanical movement and simplifies wiring routing inside tight cabinets.\u003c\/p\u003e\n\u003cp\u003eThe device operates with a 3300 NSv proximity probe system and supports a 5.0 meter system length. This configuration is commonly applied in compressor packages, pump systems, and fan assemblies where probe installation distance is moderate and routing is straightforward.\u003c\/p\u003e\n\u003cp\u003eThe design focus is operational simplicity: once installed and commissioned, it typically runs continuously with minimal adjustment.\u003c\/p\u003e\n\u003ch3\u003eEngineering Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2-wire loop-powered vibration transmitter architecture\u003c\/li\u003e\n\u003cli\u003eConverts proximity probe signal into 4–20 mA output\u003c\/li\u003e\n\u003cli\u003eDesigned for 3300 NSv probe compatibility\u003c\/li\u003e\n\u003cli\u003eBulkhead screw mounting with 4-point fixation\u003c\/li\u003e\n\u003cli\u003eSupplied with 6-32 x 1.326 mounting screws when specified\u003c\/li\u003e\n\u003cli\u003eIntegrated signal conditioning electronics\u003c\/li\u003e\n\u003cli\u003eStable output for continuous vibration trending\u003c\/li\u003e\n\u003cli\u003eExternal zero\/span adjustment capability\u003c\/li\u003e\n\u003cli\u003ePROX OUT available for diagnostic signal access\u003c\/li\u003e\n\u003cli\u003eFault indication via output current drop behavior\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplication Perspective\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eEquipment Type\u003c\/th\u003e\n\u003cth\u003eTypical Use\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCentrifugal compressors\u003c\/td\u003e\n\u003ctd\u003eShaft vibration trending into PLC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndustrial pumps\u003c\/td\u003e\n\u003ctd\u003eBearing condition monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling fans\u003c\/td\u003e\n\u003ctd\u003eMechanical imbalance detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM skid systems\u003c\/td\u003e\n\u003ctd\u003eEmbedded vibration input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary rotating machinery\u003c\/td\u003e\n\u003ctd\u003eAlarm and shutdown logic input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcess support equipment\u003c\/td\u003e\n\u003ctd\u003eContinuous condition tracking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eOrdering Structure\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSegment\u003c\/th\u003e\n\u003cth\u003eCode Description\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e990 Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-scale Option\u003c\/td\u003e\n\u003ctd\u003e04 = 0–4 mils pp (0–100 µm pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length Option\u003c\/td\u003e\n\u003ctd\u003e50 = 5.0 meters (16.4 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Option\u003c\/td\u003e\n\u003ctd\u003e02 = Bulkhead screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Option\u003c\/td\u003e\n\u003ctd\u003e00 = Not required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eMechanical \u0026amp; Installation Data\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e990-04-50-02-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e2-Wire Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Target Size\u003c\/td\u003e\n\u003ctd\u003e9.5 mm (0.375 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd\u003e53.3 mm x 73.9 mm x 100.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Height (without DIN clip)\u003c\/td\u003e\n\u003ctd\u003e42.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Distance\u003c\/td\u003e\n\u003ctd\u003e63.5 mm x 69.9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e5.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal System Weight\u003c\/td\u003e\n\u003ctd\u003e0.82 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hardware\u003c\/td\u003e\n\u003ctd\u003e4 × bulkhead holes, 6-32 x 1.326 screws provided\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInterface Overview\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eInterface\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Input\u003c\/td\u003e\n\u003ctd\u003eConnection to 3300 NSv proximity probe system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4–20 mA Output\u003c\/td\u003e\n\u003ctd\u003eVibration signal to PLC\/DCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Input\u003c\/td\u003e\n\u003ctd\u003eLoop-powered DC supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePROX OUT\u003c\/td\u003e\n\u003ctd\u003eRaw vibration diagnostic output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM\u003c\/td\u003e\n\u003ctd\u003eSignal reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Notes (Field Engineering View)\u003c\/h3\u003e\n\u003cp\u003eBulkhead mounting is typically selected when the panel layout requires a fixed and mechanically stable installation point. The four-point fixation reduces vibration-induced loosening, which can be a concern in compressor or pump skid environments.\u003c\/p\u003e\n\u003cp\u003eIn practical wiring design, probe signal routing should be separated from high-voltage or high-current conductors. This helps avoid induced noise, especially when cable runs are bundled inside compact enclosures.\u003c\/p\u003e\n\u003cp\u003eBefore commissioning, verify probe gap alignment and confirm loop current stability under steady machine operation. Engineers usually delay alarm logic activation until the signal behavior is confirmed under real operating conditions.\u003c\/p\u003e\n\u003cp\u003ePROX OUT is mainly used during maintenance or diagnostic checks rather than continuous monitoring in production.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is bulkhead mounting used in this model?\u003c\/strong\u003e\u003cbr\u003eIt provides a rigid enclosure-mounted installation with better mechanical stability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre mounting screws included?\u003c\/strong\u003e\u003cbr\u003eYes, 6-32 x 1.326 screws are provided when the mounting option is specified.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the main function of this transmitter?\u003c\/strong\u003e\u003cbr\u003eIt converts vibration from a proximity probe into a 4–20 mA signal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used with PLC systems?\u003c\/strong\u003e\u003cbr\u003eYes, it is designed for direct PLC and DCS analog input integration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat probe system is required?\u003c\/strong\u003e\u003cbr\u003eIt is designed for Bently Nevada 3300 NSv proximity probes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this suitable for compressor applications?\u003c\/strong\u003e\u003cbr\u003eYes, it is commonly used on compressors, pumps, and fans.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it support vibration diagnostics?\u003c\/strong\u003e\u003cbr\u003eIt provides PROX OUT for basic diagnostic signal access.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it a full monitoring system?\u003c\/strong\u003e\u003cbr\u003eNo, it is a simplified vibration transmitter for trend-level monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if the probe fails?\u003c\/strong\u003e\u003cbr\u003eThe output current drops to indicate a fault condition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere is it typically installed?\u003c\/strong\u003e\u003cbr\u003eInside control cabinets or skid-mounted equipment panels.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666852933995,"sku":"990-04-50-02-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-04-50-02-00-vibration-transmitter-ghs0ash3mzd_bf0dfbdc-8417-4406-82f9-2a26d0af0b40.jpg?v=1765449099"},{"product_id":"bently-nevada-990-10-xx-01-05-mod-285269-01-2-wire-vibration-transmitter","title":"Bently Nevada 990-10-XX-01-05 MOD:285269-01 2-Wire Vibration Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Bently Nevada \u003cstrong\u003e990-10-XX-01-05\u003c\/strong\u003e (including MOD:285269-01) is a 2-wire, loop-powered industrial vibration transmitter. It interfaces directly with a 3300 NSv proximity probe and its matching extension cable to provide non-contacting machinery protection. The transmitter conditions the eddy current sensor signals and outputs a proportional 4 to 20 mA analog current loop representing peak-to-peak vibration amplitude. This standalone design integrates an internal Proximitor sensor, allowing a direct connection to a distributed control system (DCS), programmable logic controller (PLC), or machinery control network without a separate monitoring rack. \u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated Proximitor sensor eliminates the need for external processing units\u003c\/li\u003e\n\u003cli\u003eProportional 4 to 20 mA loop-powered output for straightforward control system integration\u003c\/li\u003e\n\u003cli\u003eNon-isolated PROX OUT and COM coaxial terminals for dynamic vibration and gap voltage diagnostics\u003c\/li\u003e\n\u003cli\u003eNon-interacting zero and span potentiometers for simple calibration adjustments\u003c\/li\u003e\n\u003cli\u003eTest input pin for system verification using external function generators\u003c\/li\u003e\n\u003cli\u003eFully potted construction protecting interior circuits against harsh, high-humidity environments \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRadial vibration monitoring on small centrifugal air compressors\u003c\/li\u003e\n\u003cli\u003eMachinery protection for industrial motors and cooling tower fan systems\u003c\/li\u003e\n\u003cli\u003ePredictive maintenance for small pumps and process gas equipment\u003c\/li\u003e\n\u003cli\u003eNon-contacting shaft displacement analysis in tight installation clearances \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003eElectrical Parameters Value\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003ePower Requirements\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003e2-wire, loop-powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eOutput Signal\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003e4 to 20 mA DC (proportional to peak-to-peak vibration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eDiagnostic Outputs\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eDynamic PROX OUT and COM terminal coaxial signals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eCompatible Sensor Input\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003e3300 NSv proximity probe and extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eSupported System Lengths\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003e5 m or 7 m configurations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003ePerformance and Physical Value\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eMeasurement Range\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003e0 to 5 mils pp (0 to 125 micrometers pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eFrequency Response\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003e5 Hz to 6000 Hz (at +\/-3 dB limits)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eMinimum Target Diameter\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003e9.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eMounting Interface\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003eStandard DIN rail clip or bulkhead options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eEnclosure Dimensions\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003e7.3 cm x 6 cm x 10 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eApproximate Net Weight\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003e0.46 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eConnections \/ Interfaces\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003eTerminal \/ Connector Function\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003e+4-20mA\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003ePositive loop power supply and current output connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003e-4-20mA\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eNegative loop power supply return connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003ePROX OUT\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eDynamic voltage signal output for vibration diagnostic instruments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eCOM\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003eCommon return reference terminal for diagnostics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eTEST IN\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003eInput pin for loop-output verification via signal generator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eCoaxial Connector\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003eDirect connection to the 3300 NSv extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the transmitter securely onto a standard DIN rail or a flat bulkhead plate inside an appropriate environmental enclosure.\u003c\/li\u003e\n\u003cli\u003eEnsure the coaxial connections between the transmitter, extension cable, and 3300 NSv probe are clean, dry, and locked into place.\u003c\/li\u003e\n\u003cli\u003eRoute the high-level 4 to 20 mA current loop wiring away from high-voltage motor power leads to avoid electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eAvoid exposing the terminal connections directly to continuous water spray or standing moisture; house the hardware in an IP54 or better enclosure if necessary.\u003c\/li\u003e\n\u003cli\u003eUse the non-interacting zero and span potentiometers carefully when running field loop performance trims. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompliance and Certifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eCE \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the core function of the Bently Nevada 990-10-XX-01-05?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt functions as a loop-powered transmitter that processes proximity probe signals into a standard 4 to 20 mA output for a PLC or DCS. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this device require a separate Proximitor sensor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, it has an integrated Proximitor sensor, eliminating the need for external processing hardware.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich proximity probes are electrically compatible with this unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is designed exclusively to interface with Bently Nevada 3300 NSv proximity probes and matching extension cables. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the XX signify in the part number?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe XX denotes specific unlisted sub-options within the ordering guide, such as specific full-scale range calibrations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow can field engineers access dynamic vibration waveforms for diagnostic analysis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDynamic signals can be checked directly across the PROX OUT and COM coaxial terminals using a portable vibration analyzer or oscilloscope.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of machinery is this transmitter optimized for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is primarily intended for industrial OEMs of centrifugal air compressors, small pumps, fans, and electric motors. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this transmitter a loop-powered or a 4-wire device?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is a 2-wire, loop-powered device that receives power and transmits data over the same current loop. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat engineering units are represented by the 4 to 20 mA signal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe current signal represents the peak-to-peak vibration amplitude of the target machine shaft.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the physical dimensions of the chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe transmitter body measures approximately 7.3 cm x 6 cm x 10 cm. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I verify the loop output without moving the machine shaft?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, you can use the designated Test Input pin with an external function generator to simulate input signals and verify loop response.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666858045803,"sku":"990-10-XX-01-05 MOD:285269-01","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-10-xx-01-05-mod-285269-01-2-wire-vibration-transmitter-idog5ppy2b2_eef6852e-4988-4c74-a518-d0a7ad920161.jpg?v=1765449234"},{"product_id":"bently-nevada-990-04-70-02-00-2-wire-vibration-transmitter","title":"Bently Nevada 990-04-70-02-00 2-Wire Vibration Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e990-04-70-02-00\u003c\/strong\u003e is a loop-powered vibration transmitter designed for straightforward integration into rotating equipment protection and monitoring systems. It translates proximity probe vibration input into a standard 4 to 20 mA signal for use in PLC and DCS environments, focusing on stable long-term trending rather than full diagnostic vibration analysis.\u003c\/p\u003e\n\u003cp\u003eThis version uses a \u003cstrong\u003ebulkhead screw mounting design\u003c\/strong\u003e, making it more suitable for installations where panel surface mounting is preferred over DIN rail systems. In practice, it is often selected for compact OEM skids, retrofit panels, or locations where mechanical fixation strength is prioritized over modular rail layouts.\u003c\/p\u003e\n\u003cp\u003eEngineers typically deploy this model on compressors, pumps, and small rotating machines where vibration thresholds need continuous supervision without adding complexity to the control architecture. The integrated signal conditioning electronics reduce external wiring and simplify commissioning during machine build or site installation.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e0-4 mils pp full-scale range\u003c\/strong\u003e supports tighter vibration resolution, which is useful in applications requiring early detection of mechanical wear or imbalance trends.\u003c\/p\u003e\n\u003ch3\u003eKey Design Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2-wire loop-powered vibration transmitter architecture\u003c\/li\u003e\n\u003cli\u003eConverts proximity probe input into 4 to 20 mA signal\u003c\/li\u003e\n\u003cli\u003eCompatible with 3300 NSv probe systems\u003c\/li\u003e\n\u003cli\u003eBulkhead screw mounting for direct panel installation\u003c\/li\u003e\n\u003cli\u003eIntegrated Proximitor signal conditioning module\u003c\/li\u003e\n\u003cli\u003eCompact sealed industrial housing\u003c\/li\u003e\n\u003cli\u003eSupports basic vibration trending applications\u003c\/li\u003e\n\u003cli\u003eAccess to raw vibration signal via PROX OUT\u003c\/li\u003e\n\u003cli\u003eExternal zero and span adjustment capability\u003c\/li\u003e\n\u003cli\u003eDesigned for continuous industrial operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eEquipment Type\u003c\/th\u003e\n\u003cth\u003eMonitoring Purpose\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSmall centrifugal compressors\u003c\/td\u003e\n\u003ctd\u003eShaft vibration monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndustrial pumps\u003c\/td\u003e\n\u003ctd\u003eBearing condition trending\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFans and ventilation systems\u003c\/td\u003e\n\u003ctd\u003eImbalance detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM machinery packages\u003c\/td\u003e\n\u003ctd\u003eEmbedded vibration feedback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcess skids\u003c\/td\u003e\n\u003ctd\u003eContinuous condition monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary drive systems\u003c\/td\u003e\n\u003ctd\u003eBasic protection logic input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eOrdering Structure\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eCode Description\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e990 Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-scale Option\u003c\/td\u003e\n\u003ctd\u003e-04 = 0-4 mils pp (0-100 µm pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length Option\u003c\/td\u003e\n\u003ctd\u003e-70 = 7.0 metres (23.0 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Option\u003c\/td\u003e\n\u003ctd\u003e-02 = Bulkhead screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Approval Option\u003c\/td\u003e\n\u003ctd\u003e-00 = Not required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Summary\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e990-04-70-02-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e2-Wire Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailability\u003c\/td\u003e\n\u003ctd\u003eIn Stock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew \u0026amp; Original in Factory Packing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFactory Warranty\u003c\/td\u003e\n\u003ctd\u003e12 Months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Source\u003c\/td\u003e\n\u003ctd\u003e3300 NSv proximity probe system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc loop supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-scale Range\u003c\/td\u003e\n\u003ctd\u003e0-4 mils pp (0-100 µm pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Cable Length\u003c\/td\u003e\n\u003ctd\u003e7.0 metres\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Method\u003c\/td\u003e\n\u003ctd\u003eBulkhead screw fixation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-35 degC to +85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-51 degC to +100 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e0.54 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInterface Overview\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTerminal \/ Interface\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Input\u003c\/td\u003e\n\u003ctd\u003eAccepts 3300 NSv proximity probe signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4-20 mA Output\u003c\/td\u003e\n\u003ctd\u003eVibration signal to PLC\/DCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Input\u003c\/td\u003e\n\u003ctd\u003eLoop-powered DC supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePROX OUT\u003c\/td\u003e\n\u003ctd\u003eDynamic vibration diagnostic output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM\u003c\/td\u003e\n\u003ctd\u003eSignal reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Notes (Engineering Perspective)\u003c\/h3\u003e\n\u003cp\u003eThis version is typically installed directly onto a control panel surface using bulkhead screws, which provides better mechanical rigidity in environments with vibration or limited DIN rail availability.\u003c\/p\u003e\n\u003cp\u003eCable routing should maintain separation between low-level probe wiring and high-current conductors to reduce induced noise. Proper shielding and grounding practices are important for maintaining signal stability over long cable runs.\u003c\/p\u003e\n\u003cp\u003eDuring commissioning, verify probe gap alignment before energizing the loop. Once operational, confirm that the 4 to 20 mA signal stabilizes under steady machine conditions before enabling protection logic in the control system.\u003c\/p\u003e\n\u003cp\u003eThe PROX OUT interface should be used only with appropriate isolated measurement equipment to avoid ground loop effects.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy choose bulkhead screw mounting for this model?\u003c\/strong\u003e\u003cbr\u003eIt is preferred when panel rigidity and fixed mechanical mounting are required instead of DIN rail flexibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this transmitter suitable for PLC integration?\u003c\/strong\u003e\u003cbr\u003eYes, it provides a standard 4 to 20 mA output designed for PLC analog input modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat probe system is required?\u003c\/strong\u003e\u003cbr\u003eIt is designed for use with the Bently Nevada 3300 NSv proximity probe family.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the 0-4 mils range?\u003c\/strong\u003e\u003cbr\u003eIt provides higher resolution vibration monitoring for tighter mechanical tolerances.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it support diagnostic signal access?\u003c\/strong\u003e\u003cbr\u003eYes, PROX OUT provides raw vibration data for external analysis tools.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a rack-based monitoring system?\u003c\/strong\u003e\u003cbr\u003eNo, it is a standalone transmitter intended for simplified machine protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens during probe failure?\u003c\/strong\u003e\u003cbr\u003eThe output drops to a fault condition below normal operating current levels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat environments can it operate in?\u003c\/strong\u003e\u003cbr\u003eIt is designed for industrial environments with temperatures from -35 degC to +85 degC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used on compressors and pumps?\u003c\/strong\u003e\u003cbr\u003eYes, it is commonly used on small rotating machinery such as compressors and pumps.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this version available immediately?\u003c\/strong\u003e\u003cbr\u003eYes, it is listed as in stock.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666858504555,"sku":"990-04-70-02-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-04-70-02-00-vibration-transmitter-bipupyjwwre_1e9723c0-7f5c-48e5-a9e1-5e555f6e3465.jpg?v=1765449239"},{"product_id":"bently-nevada-990-04-50-02-cn-2-wire-vibration-transmitter","title":"Bently Nevada 990-04-50-02-CN 2-Wire Vibration Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e990-04-50-02-CN\u003c\/strong\u003e is a loop-powered vibration transmitter designed for converting proximity probe signals into a standardized 4 to 20 mA output for machinery monitoring systems. It is used in rotating equipment applications where vibration needs to be continuously tracked without deploying a full vibration monitoring rack.\u003c\/p\u003e\n\u003cp\u003eThis configuration is typically chosen when a \u003cstrong\u003ebulkhead-mounted installation\u003c\/strong\u003e is preferred over DIN rail mounting. In practical panel design, this is often the case when engineers want the transmitter fixed directly to the enclosure wall for improved mechanical stability or simplified wiring layout.\u003c\/p\u003e\n\u003cp\u003eThe device is intended for use with a 3300 NSv proximity probe system and supports a 5.0 meter system length. This makes it suitable for compact to medium-sized rotating machinery installations such as compressors, pumps, and fan assemblies where probe routing remains relatively short and controlled.\u003c\/p\u003e\n\u003cp\u003eFrom a field engineering perspective, this version is often used when installation rigidity and straightforward panel layout take priority over modular mounting flexibility.\u003c\/p\u003e\n\u003ch3\u003eEngineering Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2-wire loop-powered vibration transmitter architecture\u003c\/li\u003e\n\u003cli\u003eConverts proximity probe displacement into 4–20 mA output\u003c\/li\u003e\n\u003cli\u003eDesigned for 3300 NSv probe system compatibility\u003c\/li\u003e\n\u003cli\u003eBulkhead screw mounting for direct enclosure installation\u003c\/li\u003e\n\u003cli\u003eIntegrated signal conditioning electronics\u003c\/li\u003e\n\u003cli\u003eStable output for continuous vibration trending\u003c\/li\u003e\n\u003cli\u003eExternal zero\/span adjustment for calibration\u003c\/li\u003e\n\u003cli\u003ePROX OUT available for diagnostic signal access\u003c\/li\u003e\n\u003cli\u003eFault detection with current drop behavior on signal failure\u003c\/li\u003e\n\u003cli\u003eSealed compact industrial housing design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplication Context\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eEquipment Type\u003c\/th\u003e\n\u003cth\u003ePractical Role\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCentrifugal compressors\u003c\/td\u003e\n\u003ctd\u003eShaft vibration monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndustrial pumps\u003c\/td\u003e\n\u003ctd\u003eBearing condition tracking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFans and blowers\u003c\/td\u003e\n\u003ctd\u003eImbalance detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM skid packages\u003c\/td\u003e\n\u003ctd\u003eEmbedded protection input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcess auxiliary systems\u003c\/td\u003e\n\u003ctd\u003ePLC-based alarm input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGeneral rotating equipment\u003c\/td\u003e\n\u003ctd\u003eContinuous vibration trending\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eOrdering Structure\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSegment\u003c\/th\u003e\n\u003cth\u003eCode Meaning\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e990 Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-scale Option\u003c\/td\u003e\n\u003ctd\u003e04 = 0–4 mils pp (0–100 µm pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length Option\u003c\/td\u003e\n\u003ctd\u003e50 = 5.0 meters (16.4 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Option\u003c\/td\u003e\n\u003ctd\u003e02 = Bulkhead screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Option\u003c\/td\u003e\n\u003ctd\u003eCN configuration variant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEnvironmental Limits\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature (Transmitter)\u003c\/td\u003e\n\u003ctd\u003e-35 C to +85 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature (Transmitter)\u003c\/td\u003e\n\u003ctd\u003e-52 C to +100 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature (Probe)\u003c\/td\u003e\n\u003ctd\u003e-52 C to +177 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature (Probe)\u003c\/td\u003e\n\u003ctd\u003e-52 C to +177 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e100% condensing, non-submerged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eMechanical Data\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e990-04-50-02-CN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e2-Wire Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Target Size\u003c\/td\u003e\n\u003ctd\u003e9.5 mm (0.375 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd\u003e53.3 mm x 73.9 mm x 100.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Height (without DIN clip)\u003c\/td\u003e\n\u003ctd\u003e42.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Distance\u003c\/td\u003e\n\u003ctd\u003e63.5 mm x 69.9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e5.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal System Weight\u003c\/td\u003e\n\u003ctd\u003e0.82 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInterface Overview\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eInterface\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Input\u003c\/td\u003e\n\u003ctd\u003e3300 NSv proximity probe connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4–20 mA Output\u003c\/td\u003e\n\u003ctd\u003eVibration signal to PLC\/DCS system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Input\u003c\/td\u003e\n\u003ctd\u003eLoop-powered DC supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePROX OUT\u003c\/td\u003e\n\u003ctd\u003eRaw vibration diagnostic output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM\u003c\/td\u003e\n\u003ctd\u003eSignal reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Notes (Field Engineering View)\u003c\/h3\u003e\n\u003cp\u003eBulkhead mounting changes the mechanical behavior of the installation compared to DIN rail versions. In real panel work, this model is usually mounted directly onto the enclosure wall to reduce movement and improve strain resistance on wiring.\u003c\/p\u003e\n\u003cp\u003eCable routing should be planned to avoid long parallel runs with motor feeders or inverter output cables. This is especially important in compressor and pump packages where electromagnetic noise can distort low-level probe signals.\u003c\/p\u003e\n\u003cp\u003eBefore system start-up, probe gap alignment should be verified carefully. After power-up, allow the loop signal to stabilize under steady machine conditions before enabling alarm logic in the control system.\u003c\/p\u003e\n\u003cp\u003ePROX OUT is typically used during commissioning or troubleshooting rather than continuous operation.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy choose bulkhead mounting for this version?\u003c\/strong\u003e\u003cbr\u003eIt provides a fixed mechanical installation point directly on the enclosure wall.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this compatible with PLC systems?\u003c\/strong\u003e\u003cbr\u003eYes, it outputs a standard 4–20 mA signal for PLC or DCS inputs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat probe system does it require?\u003c\/strong\u003e\u003cbr\u003eIt is designed for Bently Nevada 3300 NSv proximity probes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a full diagnostic system?\u003c\/strong\u003e\u003cbr\u003eNo, it is intended for vibration trending and basic protection logic.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the function of PROX OUT?\u003c\/strong\u003e\u003cbr\u003eIt provides raw vibration signal output for diagnostic measurement tools.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if the probe fails?\u003c\/strong\u003e\u003cbr\u003eThe output drops to a low-current fault state.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere is it typically used?\u003c\/strong\u003e\u003cbr\u003eOn compressors, pumps, fans, and other rotating machinery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it require external signal conditioning?\u003c\/strong\u003e\u003cbr\u003eNo, conditioning is fully integrated into the transmitter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for skid-mounted equipment?\u003c\/strong\u003e\u003cbr\u003eYes, especially where rigid enclosure mounting is preferred.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it operate in humid environments?\u003c\/strong\u003e\u003cbr\u003eYes, it is designed for high humidity and condensing conditions.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666861125995,"sku":"990-04-50-02-CN","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-04-50-02-cn-vibration-monitor-4epp5ugexd4_8904adbf-22ea-4ebc-98e7-af0a99c75075.jpg?v=1765449302"},{"product_id":"bently-nevada-990-05-70-02-05-vibration-transmitter","title":"Bently Nevada 990-05-70-02-05 Vibration Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e990-05-70-02-05\u003c\/strong\u003e is a 2-wire, loop-powered vibration transmitter developed for original equipment manufacturers (OEMs) of rotating machinery. It integrates the functional capabilities of a proximity probe driver (proximitor) and signal conditioning electronics into a single, compact field unit. The transmitter tracks dynamic radial vibration or shaft elongation by interfacing directly with a non-contacting proximity transducer system, translating raw displacement data into a proportional 4-20 mA analog current output. This continuous current loop interfaces directly into distributed control systems (DCS), programmable logic controllers (PLCs), or SCADA networks without the addition of separate monitor racks or dedicated proximitor modules, making it a space-efficient selection for critical machinery safety loops.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated driver and signal conditioning circuitry to reduce instrumentation layout footprints.\u003c\/li\u003e\n\u003cli\u003e2-wire loop-powered configuration providing a 4-20 mA DC signal representation of vibration levels.\u003c\/li\u003e\n\u003cli\u003eAccessible frontal BNC jack delivering a buffered dynamic raw voltage output (Prox Out) scaled at 200 mV\/mil.\u003c\/li\u003e\n\u003cli\u003eSpecialized tuning optimized for direct interface with the 3300 NSv proximity transducer system.\u003c\/li\u003e\n\u003cli\u003eReliable design constructed to maintain precision under extreme temperature variants and high-vibration stresses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentrifugal air compressor radial vibration and shaft movement tracking.\u003c\/li\u003e\n\u003cli\u003eHigh-speed industrial pump and motor mechanical protection.\u003c\/li\u003e\n\u003cli\u003eCooling tower fan and blower structural safety loops.\u003c\/li\u003e\n\u003cli\u003eOEM rotating asset integrated control panel configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOption Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e990\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProduct Series: 2-Wire Vibration Transmitter System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e05\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull-Scale Range Option: 0 to 5 mils peak-to-peak (0 to 125 um pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e70\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem Length Option: 7.0 meters (23.0 feet) total length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e02\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMounting Option: Bulkhead screws configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e05\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAgency Approval Option: Certified for CSA\/ATEX Zone 0, Zone 2, and ABS maritime standards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBently Nevada (Baker Hughes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e990-05-70-02-05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntegrated Proximitor and Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC (proportional to 0-5 mils pp displacement)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 Hz to 6,000 Hz (+0 dB, -3 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc (at the transmitter terminals)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-35 degC to +85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDynamic Calibration Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200 mV\/mil (via front-accessible BNC connector)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor Match\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBently Nevada 3300 NSv Proximity Transducers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmitter Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.43 kg (0.95 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (H x W x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e114.3 mm x 81.3 mm x 44.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eInterface Type\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal block (+)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePositive Loop Power Input (+12 to +35 Vdc)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal block (-)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNegative Loop Return \/ Current Signal Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBNC Connector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuffered Prox Out Dynamic Raw Signal (200 mV\/mil)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoaxial Connector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInput connection from the 3300 NSv proximity probe extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Bulkhead Installation:\u003c\/strong\u003e Mount the transmitter module securely onto a flat panel surface inside an enclosure using the bulkhead screw holes provided.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransducer Setup:\u003c\/strong\u003e Install and gap the 3300 NSv proximity probe relative to the target material according to project engineering guidelines. Connect the 7.0m extension cable between the probe and the transmitter coaxial input port.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture Protection:\u003c\/strong\u003e Wrap the probe-to-extension cable coaxial connections with self-fusing silicone tape to prevent moisture infiltration and grounding errors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Loop Wiring:\u003c\/strong\u003e Connect the 4-20 mA signal wires from the receiver instrument to the transmitter terminal block while maintaining correct (+\/-) polarity. Do not exceed the maximum supply limit of 35 Vdc.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Avoidance:\u003c\/strong\u003e Route transmitter loop wiring and probe extension cables isolated from variable frequency drive (VFD) outputs, motor supply wires, or high-voltage AC electrical lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoop Verification:\u003c\/strong\u003e Energize the loop circuit and verify a standard 4 mA baseline output when the monitored shaft is completely static.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCSA Certified Zone 0 \/ Zone 2\u003c\/li\u003e\n\u003cli\u003eATEX Certified Zone 0 \/ Zone 2\u003c\/li\u003e\n\u003cli\u003eABS Maritime Type Certification\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666869547371,"sku":"990-05-70-02-05","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-05-70-02-05-vibration-transmitter-t1w2xbl0y0j_0c55c315-3a36-413c-9be3-504fcf6770ea.jpg?v=1765449576"},{"product_id":"990-05-70-02-01-bently-nevada-vibration-transmitter-get-a-quote","title":"990-05-70-02-01 Bently Nevada Vibration Transmitter | Get a Quote","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e990-05-70-02-01\u003c\/strong\u003e is a loop-powered vibration transmitter that integrates a non-contacting proximity probe sensor driver and analog signal conditioning electronics into a single module. It measures standard radial shaft vibration on rotating machinery and outputs a continuous 4 to 20 mA current loop signal directly to a PLC, DCS, or SCADA system. This direct-to-control architecture eliminates the necessity of a separate, dedicated monitoring rack. By utilizing eddy current measurement principles, the transmitter monitors dynamic shaft movement without mechanical wear, delivering reliable protection data for plant operations.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated driver and signal conditioner design reduces panel space requirements.\u003c\/li\u003e\n\u003cli\u003eDirect 4-20 mA output interfaces smoothly with standard industrial control platforms.\u003c\/li\u003e\n\u003cli\u003eNon-contacting eddy current measurement eliminates mechanical friction and wear.\u003c\/li\u003e\n\u003cli\u003eAccessible front BNC connector delivers buffered raw vibration signals for diagnostics.\u003c\/li\u003e\n\u003cli\u003eSolid-state circuit protection guards against wiring errors and voltage surges.\u003c\/li\u003e\n\u003cli\u003eRobust environmental design engineered for placement in harsh industrial process areas.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentrifugal air compressor vibration monitoring.\u003c\/li\u003e\n\u003cli\u003eSmall industrial fan and process blower protection.\u003c\/li\u003e\n\u003cli\u003eCooling tower fan mechanical protection loops.\u003c\/li\u003e\n\u003cli\u003eIndustrial centrifugal pump shaft tracking.\u003c\/li\u003e\n\u003cli\u003eElectric motor and generator asset monitoring.\u003c\/li\u003e\n\u003cli\u003eHydroelectric turbine rotor displacement analysis.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOption Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e990\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProduct Series: Bently Nevada 990 Vibration Transmitter Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e05\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull-Scale Range Option: 0 to 5 mils pp (0 to 125 um pp) radial vibration range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e70\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem Length Option: 7.0 meters (23.0 feet) total system length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e02\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMounting Option: 35 mm DIN-rail mount style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e01\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAgency Approval Option: CSA, ATEX, and IECEx intrinsic safety and non-incendive approvals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e990-05-70-02-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntegrated Proximity Probe Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAccepts input from a 3300 XL 5mm or 8mm proximity probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAnalog Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA DC (proportional to full-scale vibration range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 to 35 VDC (measured at the transmitter terminal block)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRaw Vibration Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuffered signal via BNC connector (nominal 7.87 V\/mm or 200 mV\/mil)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-35 degC to +85 degC (-31 degF to +185 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 degC to +100 degC (-40 degF to +212 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 95% relative humidity, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolyamide (PBT) blend, corrosion-resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.34 kg (0.75 lbs) approx.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (H x W x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e81.3 mm x 43.2 mm x 94.0 mm (3.20 in x 1.70 in x 3.70 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Mounting:\u003c\/strong\u003e Install the transmitter securely onto a clean 35mm DIN rail inside a protective field enclosure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransducer Placement:\u003c\/strong\u003e Install the proximity probe and extension cable at the designated machine bearing housing. Maintain a minimum cable bend radius of 25.4 mm (1 in) to prevent internal core damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Routing:\u003c\/strong\u003e Route the extension cable to the transmitter location. Avoid routing probe cables parallel to high-voltage power lines or variable frequency drive wiring to minimize electrical noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoaxial Connection:\u003c\/strong\u003e Connect the probe extension cable to the coaxial connector located on the bottom of the transmitter housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoop Wiring:\u003c\/strong\u003e Wire the 4-20mA loop power source to the transmitter terminal block. Ensure correct polarity is maintained: Terminal 1 (+) and Terminal 2 (-). Isolate the power supply before connecting any field wires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding:\u003c\/strong\u003e Terminate the cable shields properly at the control room instrument ground only. Do not ground the shield at both ends to prevent destructive ground loops.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666870104427,"sku":"990-05-70-02-01","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-05-70-02-01-vibration-transmitter-ttuo5x40ixp_2fdb38fa-a047-49e7-b914-e8d4d7445d9c.jpg?v=1765449595"},{"product_id":"991-06-50-01-00-bently-nevada-991-thrust-transmitter","title":"991-06-50-01-00 | Bently Nevada | 991 Thrust Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e991-06-50-01-00\u003c\/strong\u003e is a thrust position transmitter designed for continuous shaft axial displacement monitoring in rotating machinery systems. It converts proximity probe signals into a proportional industrial output for integration with turbine supervisory instrumentation, machinery protection systems, and distributed control systems.\u003c\/p\u003e\n\u003cp\u003eThe transmitter supports thrust measurement applications in steam turbines, compressors, pumps, and other critical rotating assets where axial shaft movement monitoring is required. The unit is compatible with proximity probe systems using a 5.0 metre system length configuration and supports DIN-rail installation for industrial control panels.\u003c\/p\u003e\n\u003cp\u003eDesigned for machinery condition monitoring environments, the \u003cstrong\u003e991 Thrust Transmitter\u003c\/strong\u003e provides reliable signal conditioning and simplified integration into plant monitoring architectures.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eContinuous axial thrust position monitoring\u003c\/li\u003e\n\u003cli\u003eDIN-rail mounting configuration\u003c\/li\u003e\n\u003cli\u003e0 to 0.6 mm full-scale measurement range\u003c\/li\u003e\n\u003cli\u003eCompatible with 5.0 metre probe system length\u003c\/li\u003e\n\u003cli\u003eIndustrial panel installation design\u003c\/li\u003e\n\u003cli\u003eCompact transmitter housing\u003c\/li\u003e\n\u003cli\u003eSuitable for turbine supervisory systems\u003c\/li\u003e\n\u003cli\u003eSupports machinery protection applications\u003c\/li\u003e\n\u003cli\u003ePanel or enclosure integration capability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSteam turbine thrust monitoring\u003c\/li\u003e\n\u003cli\u003eCompressor axial displacement measurement\u003c\/li\u003e\n\u003cli\u003eRotating equipment protection systems\u003c\/li\u003e\n\u003cli\u003eTurbine supervisory instrumentation systems\u003c\/li\u003e\n\u003cli\u003eIndustrial machinery monitoring panels\u003c\/li\u003e\n\u003cli\u003eOil and gas rotating equipment\u003c\/li\u003e\n\u003cli\u003ePower generation facilities\u003c\/li\u003e\n\u003cli\u003eProcess industry condition monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel Code\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e991\u003c\/td\u003e\n\u003ctd\u003eThrust Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-06\u003c\/td\u003e\n\u003ctd\u003e0 to 0.6 mm full-scale option\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-50\u003c\/td\u003e\n\u003ctd\u003e5.0 metres (16.4 feet) system length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-01\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN-rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-00\u003c\/td\u003e\n\u003ctd\u003eAgency approval not required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003e991-06-50-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eThrust Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003e991\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Range\u003c\/td\u003e\n\u003ctd\u003e0 to 0.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length\u003c\/td\u003e\n\u003ctd\u003e5.0 metres (16.4 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN-rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Approval\u003c\/td\u003e\n\u003ctd\u003eNot required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e2.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd\u003e53.3 mm x 73.9 mm x 100.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Height Without DIN Clip\u003c\/td\u003e\n\u003ctd\u003e42.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Distance (W x L)\u003c\/td\u003e\n\u003ctd\u003e63.5 mm x 69.9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e5.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEstimated Lead Time\u003c\/td\u003e\n\u003ctd\u003e12 - 18 Weeks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eU.S.A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the transmitter on a properly grounded 35 mm DIN rail.\u003c\/li\u003e\n\u003cli\u003eRoute probe and signal cables separately from high-voltage wiring.\u003c\/li\u003e\n\u003cli\u003eUse shielded cabling to reduce EMI and RFI interference.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate ventilation inside the control cabinet.\u003c\/li\u003e\n\u003cli\u003eVerify probe system length compatibility before commissioning.\u003c\/li\u003e\n\u003cli\u003eEnsure secure terminal connections during installation.\u003c\/li\u003e\n\u003cli\u003eAvoid excessive vibration or moisture exposure inside the enclosure.\u003c\/li\u003e\n\u003cli\u003eConfirm proper polarity and signal wiring before energizing the system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the 991 transmitter measure?\u003c\/strong\u003e\u003cbr\u003eIt monitors axial shaft displacement in rotating machinery applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the full-scale measurement range?\u003c\/strong\u003e\u003cbr\u003eThe configured range is 0 to 0.6 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich mounting method is used?\u003c\/strong\u003e\u003cbr\u003eThe unit uses 35 mm DIN-rail clips.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat system length is supported by this model?\u003c\/strong\u003e\u003cbr\u003eThis version supports a 5.0 metre probe system length.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the transmitter be installed in control cabinets?\u003c\/strong\u003e\u003cbr\u003eYes. The compact housing is suitable for industrial panel installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this device suitable for turbine monitoring?\u003c\/strong\u003e\u003cbr\u003eYes. It is commonly used in turbine supervisory systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the unit include hazardous area approvals?\u003c\/strong\u003e\u003cbr\u003eNo approvals are specified for this configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat industries commonly use this transmitter?\u003c\/strong\u003e\u003cbr\u003ePower generation, oil and gas, and process industries frequently use it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of machinery can use this transmitter?\u003c\/strong\u003e\u003cbr\u003eSteam turbines, compressors, pumps, and other rotating assets.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the transmitter compatible with machinery protection systems?\u003c\/strong\u003e\u003cbr\u003eYes. It can interface with machinery monitoring and protection platforms.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668299411819,"sku":"991-06-50-01-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/991-06-50-01-00-mrx1sfku4cs_16f417d9-abde-4564-9871-1a1dac0d35d6.jpg?v=1765520501"},{"product_id":"991-25-70-01-cn-bently-nevada-991-thrust-transmitter","title":"991-25-70-01-CN | Bently-Nevada | 991 Thrust Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e991-25-70-01-CN\u003c\/strong\u003e is a 2-wire, loop-powered thrust transmitter designed to provide a proportional 4 to 20 mA axial displacement signal for rotating machinery monitoring applications. It accepts input from a \u003cstrong\u003e3300 NSv proximity probe\u003c\/strong\u003e and matching extension cable, then conditions the signal into engineering units proportional to shaft axial position for machinery control and protection systems.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e991 Thrust Transmitter\u003c\/strong\u003e integrates the Proximitor Sensor within the transmitter housing, eliminating the need for an external unit. It provides non-isolated PROX OUT and COM outputs for dynamic vibration and gap voltage diagnostics, supporting machinery analysis and troubleshooting.\u003c\/p\u003e\n\u003cp\u003eThe transmitter is suitable for centrifugal air compressors, pumps, motors, and fans where compact installation space and continuous thrust position indication are required. Compatibility with the \u003cstrong\u003e3300 NSv proximity probe\u003c\/strong\u003e allows installation in small clearance areas typical of centrifugal compressor systems.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2-wire loop-powered transmitter\u003c\/li\u003e\n\u003cli\u003e4 to 20 mA proportional thrust position output\u003c\/li\u003e\n\u003cli\u003eIntegrated Proximitor Sensor\u003c\/li\u003e\n\u003cli\u003eCompatible with 3300 NSv proximity probe systems\u003c\/li\u003e\n\u003cli\u003eNon-isolated PROX OUT diagnostic signal\u003c\/li\u003e\n\u003cli\u003eCoaxial connector for vibration diagnostics\u003c\/li\u003e\n\u003cli\u003eNon-interacting zero and span adjustments\u003c\/li\u003e\n\u003cli\u003eTest Input pin for loop verification\u003c\/li\u003e\n\u003cli\u003ePower-up inhibit circuit\u003c\/li\u003e\n\u003cli\u003eNot OK\/Signal Defeat protection circuit\u003c\/li\u003e\n\u003cli\u003eDIN-rail mounting support\u003c\/li\u003e\n\u003cli\u003ePotted construction for high humidity environments\u003c\/li\u003e\n\u003cli\u003eSuitable for 100% condensing environments\u003c\/li\u003e\n\u003cli\u003eSupports compact installation areas\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentrifugal air compressors\u003c\/li\u003e\n\u003cli\u003eSmall industrial pumps\u003c\/li\u003e\n\u003cli\u003eRotating machinery monitoring\u003c\/li\u003e\n\u003cli\u003eMotor thrust position measurement\u003c\/li\u003e\n\u003cli\u003eFan shaft displacement monitoring\u003c\/li\u003e\n\u003cli\u003eOEM machinery control systems\u003c\/li\u003e\n\u003cli\u003eTurbine auxiliary systems\u003c\/li\u003e\n\u003cli\u003eMachinery protection systems\u003c\/li\u003e\n\u003cli\u003eCondition monitoring panels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel Code\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e991\u003c\/td\u003e\n\u003ctd\u003eThrust Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-25\u003c\/td\u003e\n\u003ctd\u003e25-0-25 mils\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-70\u003c\/td\u003e\n\u003ctd\u003e7.0 metres (23.0 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-01\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN-rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-CN\u003c\/td\u003e\n\u003ctd\u003eChina explosion-proof certification NEPSI\/CCC\/ATEX\/IECEx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003e991-25-70-01-CN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eThrust Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003e991\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003e1 non-contacting 3300 NSv Proximity Probe and extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Output\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mAdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003e2-wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoop Accuracy\u003c\/td\u003e\n\u003ctd\u003eWithin +\/-1.5% full scale typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Loop Resistance\u003c\/td\u003e\n\u003ctd\u003e1000 ohm including cable at 35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Limiting\u003c\/td\u003e\n\u003ctd\u003e23 mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZero and Span Adjustment\u003c\/td\u003e\n\u003ctd\u003eNon-interacting external adjustments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNot OK\/Signal Defeat Response\u003c\/td\u003e\n\u003ctd\u003eOutput less than 3.6 mA within 100 us\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Recovery Time\u003c\/td\u003e\n\u003ctd\u003eRestored within 0.1 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Impedance\u003c\/td\u003e\n\u003ctd\u003e10 kohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLinear Range\u003c\/td\u003e\n\u003ctd\u003e0.25 to 1.65 mm (10 to 65 mils)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProx Out Incremental Scale Factor\u003c\/td\u003e\n\u003ctd\u003e7.87 mV\/um (200 mV\/mil) +\/-6.5% typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Stability\u003c\/td\u003e\n\u003ctd\u003eWithin +\/-10% from 0 degC to +70 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Target Size\u003c\/td\u003e\n\u003ctd\u003e9.5 mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeadwire Length\u003c\/td\u003e\n\u003ctd\u003e3 metres maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Distance Non-Hazardous Areas\u003c\/td\u003e\n\u003ctd\u003e13 km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Distance Intrinsically Safe Areas\u003c\/td\u003e\n\u003ctd\u003e68 metres\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-35 degC to +85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-51 degC to +100 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Operating Temperature\u003c\/td\u003e\n\u003ctd\u003e-35 degC to +177 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Storage Temperature\u003c\/td\u003e\n\u003ctd\u003e-51 degC to +177 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e100% condensing non-submerged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransducer Tip Material\u003c\/td\u003e\n\u003ctd\u003ePolyphenylene sulfide (PPS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransducer Case Material\u003c\/td\u003e\n\u003ctd\u003eAISI 303 or 304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Cable Type\u003c\/td\u003e\n\u003ctd\u003e75 ohm coaxial FEP insulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Armor\u003c\/td\u003e\n\u003ctd\u003eFlexible AISI 302 SST optional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Strength\u003c\/td\u003e\n\u003ctd\u003e222 N maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal System Weight\u003c\/td\u003e\n\u003ctd\u003e0.82 kg typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd\u003e53.3 mm x 73.9 mm x 100.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Height Without DIN Clip\u003c\/td\u003e\n\u003ctd\u003e42.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Distance (W x L)\u003c\/td\u003e\n\u003ctd\u003e63.5 mm x 69.9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e5.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Classification\u003c\/td\u003e\n\u003ctd\u003eCSA\/NRTL\/C approval in North America and VDE approval in Europe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEurope Marking\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eU.S.A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConnector Pin\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePROX OUT\u003c\/td\u003e\n\u003ctd\u003eDynamic vibration and gap voltage signal output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM\u003c\/td\u003e\n\u003ctd\u003eCommon terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTest Input\u003c\/td\u003e\n\u003ctd\u003eLoop signal verification input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBNC Connector\u003c\/td\u003e\n\u003ctd\u003eProximitor Sensor diagnostic output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the transmitter on a grounded 35 mm DIN rail.\u003c\/li\u003e\n\u003cli\u003eMaintain proper probe gap adjustment during commissioning.\u003c\/li\u003e\n\u003cli\u003eSeparate probe cables from high-voltage power wiring.\u003c\/li\u003e\n\u003cli\u003eUse shielded cable routing practices to reduce EMI and RFI interference.\u003c\/li\u003e\n\u003cli\u003eProtect coaxial connectors from moisture exposure.\u003c\/li\u003e\n\u003cli\u003eVerify loop power supply voltage before startup.\u003c\/li\u003e\n\u003cli\u003eUse the 122115-01 Test Adapter when connecting grounded AC-powered diagnostic equipment.\u003c\/li\u003e\n\u003cli\u003eEnsure proper signal isolation during machinery diagnostics.\u003c\/li\u003e\n\u003cli\u003eAvoid excessive mechanical stress on probe lead connections.\u003c\/li\u003e\n\u003cli\u003eConfirm correct polarity before energizing the loop circuit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCertification\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCSA\/NRTL\/C\u003c\/td\u003e\n\u003ctd\u003eGeneral Purpose Approval for North America\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVDE\u003c\/td\u003e\n\u003ctd\u003eEurope approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003ctd\u003eEuropean CE marking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNEPSI\u003c\/td\u003e\n\u003ctd\u003eChina explosion-proof certification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCCC\u003c\/td\u003e\n\u003ctd\u003eChina Compulsory Certification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATEX\u003c\/td\u003e\n\u003ctd\u003eHazardous area certification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIECEx\u003c\/td\u003e\n\u003ctd\u003eInternational hazardous area certification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary function of this transmitter?\u003c\/strong\u003e\u003cbr\u003eIt converts axial shaft displacement into a proportional 4 to 20 mA signal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich probe system is compatible with this model?\u003c\/strong\u003e\u003cbr\u003eThe transmitter is designed for use with the 3300 NSv proximity probe system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the transmitter require an external Proximitor unit?\u003c\/strong\u003e\u003cbr\u003eNo. The Proximitor Sensor is integrated into the transmitter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat output signal does the device provide?\u003c\/strong\u003e\u003cbr\u003eIt provides a 4 to 20 mAdc industry-standard signal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the PROX OUT signal be used for diagnostics?\u003c\/strong\u003e\u003cbr\u003eYes. The PROX OUT connection supports vibration and gap voltage diagnostics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mounting method does this configuration use?\u003c\/strong\u003e\u003cbr\u003eThis model uses 35 mm DIN-rail clips.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the transmitter suitable for humid environments?\u003c\/strong\u003e\u003cbr\u003eYes. The potted construction supports 100% condensing environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens during a Not OK condition?\u003c\/strong\u003e\u003cbr\u003eThe output drops below 3.6 mA within 100 microseconds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan grounded test equipment connect directly to PROX OUT?\u003c\/strong\u003e\u003cbr\u003eThe manual recommends using the 122115-01 Test Adapter for signal isolation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat industries commonly use this transmitter?\u003c\/strong\u003e\u003cbr\u003eOil and gas, power generation, and industrial rotating machinery applications.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668301672811,"sku":"991-25-70-01-CN","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/991-25-70-01-CN-p3q31sowur5_71146f97-f12b-4430-9a6f-1ccb5ce0c52c.jpg?v=1765520558"},{"product_id":"990-05-50-02-00-bently-nevada-990-vibration-transmitter","title":"990-05-50-02-00 | Bently Nevada | 990 Vibration Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThis two-wire, loop-powered device is designed to interface with a non-contacting \u003cstrong\u003e3300 NSv proximity probe\u003c\/strong\u003e and its matching extension cable. The \u003cstrong\u003e990-05-50-02-00\u003c\/strong\u003e conditions the incoming proximity sensor signal into appropriate peak-to-peak vibration amplitude engineering units, converting it into a proportional 4 to 20 mA industry-standard current loop output. This analog output is transmitted directly to a machinery control system, such as a PLC or DCS, where standard protection alarming and machinery logic are performed.\u003c\/p\u003e\n\u003cp\u003eThe unit integrates the functionality of a \u003cstrong\u003eProximitor Sensor\u003c\/strong\u003e directly into its housing, requiring no separate external driver. It features a non-isolated \u003cstrong\u003ePROX OUT\u003c\/strong\u003e coaxial connector and terminal block connection to supply a dynamic vibration and gap voltage signal for troubleshooting and machinery diagnostic operations. Built with potted construction, the device provides robust environmental protection suitable for highly humid or condensing locations.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Proximitor Sensor:\u003c\/strong\u003e Combines full proximity probe driver capabilities inside the transmitter housing to eliminate external signal conditioning modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 4 to 20 mA Output:\u003c\/strong\u003e Transmits a continuous analog current loop proportional to peak-to-peak vibration amplitude over a standard two-wire configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Signal Diagnostic Interfaces:\u003c\/strong\u003e Provides non-isolated \u003cstrong\u003ePROX OUT\u003c\/strong\u003e and COM terminals plus an integrated coaxial connector for direct connection to diagnostic tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Not OK \/ Signal Defeat Circuit:\u003c\/strong\u003e Drops the loop current output to less than 3.6 mA within 100 microseconds of a probe or cable fault to prevent false control system alarms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-Interacting Field Adjustments:\u003c\/strong\u003e Accessible zero and span potentiometers underneath the device label facilitate straightforward field loop adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDedicated Test Input Pin:\u003c\/strong\u003e Allows for rapid on-site verification of the loop output current by using an external function generator as the input signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotted Enclosure Construction:\u003c\/strong\u003e Fully sealed housing protects internal electronic components against up to 100% condensing humidity conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentrifugal air compressors\u003c\/li\u003e\n\u003cli\u003eSmall industrial pumps\u003c\/li\u003e\n\u003cli\u003eElectric motor machinery monitoring\u003c\/li\u003e\n\u003cli\u003eCooling and ventilation fans\u003c\/li\u003e\n\u003cli\u003eOEM machinery control system integration\u003c\/li\u003e\n\u003cli\u003eOverall vibration trending and peak-to-peak amplitude data acquisition\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFull-Scale Option (AA)\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSystem Length Option (BB)\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eMounting Option (CC)\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eAgency Approval Option (DD)\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e990-05-50-02-00\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e05 (0-5 mils pp \/ 0-125 um pp)\u003c\/td\u003e\n\u003ctd\u003e50 (5.0 meters \/ 16.4 feet)\u003c\/td\u003e\n\u003ctd\u003e02 (Bulkhead screws)\u003c\/td\u003e\n\u003ctd\u003e00 (Not required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eSpecifications apply at +22 Celsius (+72 Fahrenheit) using a 3300 NSv Probe and Extension Cable, and an AISI 4140 steel target unless specified otherwise.\u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification Values\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical \/ Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInput Requirements\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc input at the transmitter terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eSignal Output\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mAdc over specified full-scale range (2-wire configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eLoop Accuracy\u003c\/td\u003e\n\u003ctd\u003eWithin ±1.5% over specified full-scale range across 250 Ohm loop resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eMaximum Loop Resistance\u003c\/td\u003e\n\u003ctd\u003e1,000 Ohm including cable at 35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eCurrent Limiting\u003c\/td\u003e\n\u003ctd\u003e23 mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003ePower-up Inhibit\u003c\/td\u003e\n\u003ctd\u003eSignal output stays below 3.6 mA for 2 to 3 seconds after power application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDynamic Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProx Out Linear Range\u003c\/td\u003e\n\u003ctd\u003e1.4 mm (55 mils), starting approx 0.25 mm (10 mils) from target surface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eIncremental Scale Factor\u003c\/td\u003e\n\u003ctd\u003e7.87 mV\/um (200 mV\/mil) ±6.5% typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eOutput Impedance\u003c\/td\u003e\n\u003ctd\u003e10 kOhm output impedance calibrated for a 10 MOhm load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e5 Hz to 6,000 Hz +0, -3 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTypical Noise Level\u003c\/td\u003e\n\u003ctd\u003e50 mV pp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironmental Limits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-35 Celsius to +85 Celsius (-31 Fahrenheit to +185 Fahrenheit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-52 Celsius to +100 Celsius (-62 Fahrenheit to +212 Fahrenheit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e100% condensing, non-submerged (requires coaxial connector protection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMechanical\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTransducer Tip Material\u003c\/td\u003e\n\u003ctd\u003ePolyphenylene sulfide (PPS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTransducer Case Material\u003c\/td\u003e\n\u003ctd\u003eAISI 303 or 304 Stainless Steel (SST)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTransmitter Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg (0.9 lbm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTotal System Weight\u003c\/td\u003e\n\u003ctd\u003e0.82 kg (1.8 lbm) typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e100.1 mm x 73.9 mm x 42.6 mm (3.94 in x 2.91 in x 1.68 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGeneral\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada (A Baker Hughes Company)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTarget Requirements\u003c\/td\u003e\n\u003ctd\u003eMinimum 9.5 mm (0.375 in) diameter, AISI 4140 steel target\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTerminal \/ Connector\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal E1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower Supply (+) \/ 4 to 20 mA loop input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal E2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower Supply (-) \/ Loop return connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal E3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePROX OUT dynamic signal terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal E4\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCOM terminal reference for PROX OUT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eJ2 BNC Connector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCoaxial PROX OUT dynamic transducer signal for portable diagnostics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eJ3 Coaxial Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInput connection from the 3300 NSv proximity probe extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Specifications:\u003c\/strong\u003e Use 1.0 mm2 (18 AWG), 2-conductor, twisted, shielded cable for the 4 to 20 mA current loop and field terminal connections. The maximum loop cable run distance is 13 km (8 miles).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply Voltage:\u003c\/strong\u003e Maintain a minimum voltage of +17 Vdc at the transmitter terminal when accounting for full loop resistance to prevent clipping at the 20 mA limit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Gap Adjustment:\u003c\/strong\u003e Ensure the matched 3300 NSv proximity probe is gapped between 0.5 mm and 1.75 mm (20 and 55 mils) from the target surface during installation to ensure valid full-scale operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostic Instrument Isolation:\u003c\/strong\u003e The PROX OUT signal is not electrically isolated from the 4 to 20 mA loop. Do not connect grounded, AC-powered test equipment directly to the BNC or terminal strips as it will cause loop interference or false trips. Connect via a 122115-01 Test Adapter to safely isolate and invert the signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulkhead Mounting Alignment:\u003c\/strong\u003e Mount the transmitter base securely to a flat surface using the four integrated bulkhead mounting holes and the supplied 6-32 x 1.326 screws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture Protection:\u003c\/strong\u003e Install connector protector sleeves over all ClickLoc coaxial junctions to maintain sealing integrity in environments subject to high humidity or condensation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFCC:\u003c\/strong\u003e Complies with Part 15 of the FCC Rules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEMC Standards:\u003c\/strong\u003e EN 61000-6-2, EN 61000-6-4, and EMC Directive 2014\/30\/EU.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eATEX \/ IECEx:\u003c\/strong\u003e ATEX Directive 2014\/34\/EU; Ex ia IIC T4 Ga, and Ex ec IIC T4 Gc (Ta = -30 Celsius to +85 Celsius).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS:\u003c\/strong\u003e RoHS Directive 2011\/65\/EU and China RoHS with a 15-year EFUP designation under SJ\/T 11364-2024.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaritime:\u003c\/strong\u003e ABS 2009 Steel Vessels Rules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNorth American Approvals:\u003c\/strong\u003e cNRTLus Class I, Division 2, Groups A, B, C, D (T5 @ Ta = +85 Celsius, Type 4 Enclosure).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the behavior of the output loop current when a proximity probe is damaged or disconnected?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe transmitter is equipped with an internal Not OK and Signal Defeat circuit. If a faulty probe or open connection is experienced, the loop output current automatically drops to less than 3.6 mA within 100 microseconds to suppress false machine alarms in the control system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I run standard plant diagnostic software using the 4 to 20 mA output of this transmitter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 4 to 20 mA signal provides overall peak-to-peak trending data only and is not compatible with plant-wide dynamic diagnostic systems like System 1. The analog output cannot determine the phase of vibration or handle specialized parameters like gap alarms or Trip Multiply.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is an external test adapter required when connecting an oscilloscope to the PROX OUT terminal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe PROX OUT signal shares a common ground reference with the non-isolated 4 to 20 mA loop current. Connecting grounded, AC-powered diagnostic tools directly to the transmitter can alter the loop current and cause accidental machinery shutdowns, so an isolating test adapter must be used\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668303540587,"sku":"990-05-50-02-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/990-05-50-02-00-q0sixid00vm_a524031d-e1ba-4b33-abbc-40a31b60a4e9.jpg?v=1765520623"},{"product_id":"bently-nevada-990-04-70-01-00-990-vibration-transmitter","title":"Bently Nevada 990-04-70-01-00 990 Vibration Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e990-04-70-01-00\u003c\/strong\u003e vibration transmitter provides a simplified method for integrating shaft vibration monitoring into industrial automation systems. Developed by \u003cstrong\u003eBently Nevada\u003c\/strong\u003e, the unit converts vibration measurements from a 3300 NSv proximity probe into a linear 4 to 20 mA output signal for machine protection and condition monitoring applications.\u003c\/p\u003e\n\u003cp\u003eThis transmitter configuration is commonly installed on rotating equipment where continuous vibration trending is required without deploying a full rack-based monitoring system. The compact housing and DIN rail mounting arrangement support installation inside OEM control cabinets, compressor skids, and packaged machinery panels.\u003c\/p\u003e\n\u003cp\u003eThe transmitter operates from a standard DC loop supply and combines the Proximitor electronics and signal conditioning circuitry into a single encapsulated assembly. Maintenance personnel can also access dynamic vibration information through the PROX OUT connection during commissioning and troubleshooting procedures.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e0-4 mils pp\u003c\/strong\u003e full-scale range makes this version suitable for machinery applications requiring tighter vibration measurement resolution.\u003c\/p\u003e\n\u003ch3\u003eOperational Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eContinuous vibration signal conversion\u003c\/li\u003e\n\u003cli\u003eLinear 4 to 20 mA output transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with 3300 NSv transducer systems\u003c\/li\u003e\n\u003cli\u003eIntegrated Proximitor functionality\u003c\/li\u003e\n\u003cli\u003eDIN rail mounting design\u003c\/li\u003e\n\u003cli\u003eDynamic vibration signal access\u003c\/li\u003e\n\u003cli\u003eCompact encapsulated transmitter body\u003c\/li\u003e\n\u003cli\u003eExternal calibration adjustments\u003c\/li\u003e\n\u003cli\u003eProbe fault indication logic\u003c\/li\u003e\n\u003cli\u003eLow-maintenance two-wire configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Industrial Uses\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication Area\u003c\/th\u003e\n\u003cth\u003eTypical Equipment\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOil and gas systems\u003c\/td\u003e\n\u003ctd\u003eCompressors and auxiliary pumps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturing plants\u003c\/td\u003e\n\u003ctd\u003eElectric motors and blowers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUtility operations\u003c\/td\u003e\n\u003ctd\u003eCooling water pumps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcess industries\u003c\/td\u003e\n\u003ctd\u003eRotating process machinery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM equipment packages\u003c\/td\u003e\n\u003ctd\u003eIntegrated monitoring panels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaintenance programs\u003c\/td\u003e\n\u003ctd\u003eMachine vibration trending\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConfiguration Item\u003c\/th\u003e\n\u003cth\u003eSelection\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e990 - Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-scale Option\u003c\/td\u003e\n\u003ctd\u003e04 = 0-4 mils pp (0-100 um pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length Option\u003c\/td\u003e\n\u003ctd\u003e70 = 7.0 metres (23.0 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Option\u003c\/td\u003e\n\u003ctd\u003e01 = 35 mm DIN rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Approval Option\u003c\/td\u003e\n\u003ctd\u003e00 = Not required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Number\u003c\/td\u003e\n\u003ctd\u003e990-04-70-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e990 Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eMade in U.S.A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003e1 non-contacting 3300 NSv proximity probe and extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Output\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-scale Range\u003c\/td\u003e\n\u003ctd\u003e0-4 mils pp (0-100 um pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length\u003c\/td\u003e\n\u003ctd\u003e7.0 metres\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Method\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-35 degC to +85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-51 degC to +100 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e0.82 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnection Overview\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eInterface\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Input\u003c\/td\u003e\n\u003ctd\u003eConnection for 3300 NSv probe system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Power Terminal\u003c\/td\u003e\n\u003ctd\u003eLoop power input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Output\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA vibration signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePROX OUT\u003c\/td\u003e\n\u003ctd\u003eDynamic diagnostic output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM\u003c\/td\u003e\n\u003ctd\u003eCommon signal reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Recommendations\u003c\/h3\u003e\n\u003cp\u003eInstall the transmitter in a vibration-protected control enclosure with adequate grounding and cable shielding practices. The DIN rail mounting arrangement allows quick integration into existing automation panels.\u003c\/p\u003e\n\u003cp\u003eSeparate low-level transducer wiring from high-current motor cables to reduce electromagnetic interference. During startup, verify the probe gap and confirm stable loop current before placing the machine into service.\u003c\/p\u003e\n\u003cp\u003eFor diagnostic waveform measurements, use suitable isolated monitoring equipment connected to the PROX OUT interface. Protect exposed connectors from excessive moisture and contamination in high-humidity process environments.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat measurement range does this configuration use?\u003c\/strong\u003e\u003cbr\u003eThis model uses a 0-4 mils peak-to-peak vibration range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich probe series is compatible with the transmitter?\u003c\/strong\u003e\u003cbr\u003eIt is designed for Bently Nevada 3300 NSv proximity probe systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the unit be mounted inside a standard control cabinet?\u003c\/strong\u003e\u003cbr\u003eYes. The transmitter includes DIN rail mounting clips for panel installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat output signal is provided to the control system?\u003c\/strong\u003e\u003cbr\u003eThe transmitter outputs a proportional 4 to 20 mA vibration signal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the transmitter suitable for compressor monitoring?\u003c\/strong\u003e\u003cbr\u003eYes. It is commonly used on centrifugal compressors and auxiliary rotating equipment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this version include hazardous area certification?\u003c\/strong\u003e\u003cbr\u003eNo. The -00 approval option indicates standard non-hazardous configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat power supply range is required?\u003c\/strong\u003e\u003cbr\u003eThe transmitter operates from +12 to +35 Vdc.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan maintenance teams access dynamic vibration signals?\u003c\/strong\u003e\u003cbr\u003eYes. Diagnostic signals are available through the PROX OUT connection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the supplied system cable length?\u003c\/strong\u003e\u003cbr\u003eThis configuration uses a 7.0 metre system length.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the transmitter installed?\u003c\/strong\u003e\u003cbr\u003eThe unit mounts directly onto a 35 mm DIN rail.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the transmitter designed for continuous monitoring?\u003c\/strong\u003e\u003cbr\u003eYes. It supports ongoing vibration trending in industrial machinery systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat environmental conditions can the unit withstand?\u003c\/strong\u003e\u003cbr\u003eThe transmitter operates in temperatures from -35 degC to +85 degC.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668308390251,"sku":"990-04-70-01-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/990-04-70-01-00-qlanuhvxffo_ce339ec9-b0bc-48b5-9374-af5386332e0c.jpg?v=1765520752"},{"product_id":"990-05-70-02-cn-bently-nevada-990-vibration-transmitter","title":"990-05-70-02-CN | Bently Nevada | 990 Vibration Transmitter","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e990 vibration transmitter\u003c\/strong\u003e converts proximity probe displacement into a proportional \u003cstrong\u003e4–20 mA vibration signal\u003c\/strong\u003e for continuous monitoring of rotating machinery. It is designed for compact OEM installations where vibration indication is required for control logic rather than full diagnostic analysis.\u003c\/p\u003e\n\u003cp\u003eThis configuration (\u003cstrong\u003e990-05-70-02-CN\u003c\/strong\u003e) uses a bulkhead-mounted housing and supports a 7.0 meter probe system length based on the \u003cstrong\u003e3300 NSv proximity probe platform\u003c\/strong\u003e. The measurement output represents peak-to-peak vibration amplitude under steady-state operating conditions.\u003c\/p\u003e\n\u003cp\u003eThe transmitter is typically installed close to machinery skid assemblies or panel structures where rigid mounting is preferred. Signal conditioning is fully integrated, eliminating the need for external Proximitor modules.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-wire loop-powered vibration transmitter\u003c\/li\u003e\n\u003cli\u003e4–20 mA proportional vibration output\u003c\/li\u003e\n\u003cli\u003eCompatible with 3300 NSv proximity probe system\u003c\/li\u003e\n\u003cli\u003eIntegrated signal conditioning electronics\u003c\/li\u003e\n\u003cli\u003eBulkhead screw mounting configuration\u003c\/li\u003e\n\u003cli\u003eExternal zero and span adjustment capability\u003c\/li\u003e\n\u003cli\u003ePROX OUT diagnostic signal access\u003c\/li\u003e\n\u003cli\u003ePower-up inhibit and NOT OK fault indication\u003c\/li\u003e\n\u003cli\u003eDesigned for OEM machinery protection loops\u003c\/li\u003e\n\u003cli\u003eSuitable for compact installation environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCentrifugal compressors\u003c\/li\u003e\n\u003cli\u003eIndustrial pump systems\u003c\/li\u003e\n\u003cli\u003eCooling and ventilation fans\u003c\/li\u003e\n\u003cli\u003eElectric motor assemblies\u003c\/li\u003e\n\u003cli\u003eOEM packaged rotating equipment\u003c\/li\u003e\n\u003cli\u003eAuxiliary vibration monitoring points\u003c\/li\u003e\n\u003cli\u003eSmall to medium rotating machinery skids\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ch3\u003eGeneral\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e990-05-70-02-CN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e2-Wire Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput\u003c\/td\u003e\n\u003ctd\u003e3300 NSv proximity probe system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003e4–20 mA vibration signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-scale Range\u003c\/td\u003e\n\u003ctd\u003e0–5 mils pp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length\u003c\/td\u003e\n\u003ctd\u003e7.0 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eElectrical\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoop Configuration\u003c\/td\u003e\n\u003ctd\u003e2-wire loop powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Loop Resistance\u003c\/td\u003e\n\u003ctd\u003e1000 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEnvironmental\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-35 C to +85 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-51 C to +100 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e100% condensing (non-submerged)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eMechanical\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal System Weight\u003c\/td\u003e\n\u003ctd\u003e0.82 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Target Size\u003c\/td\u003e\n\u003ctd\u003e9.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Style\u003c\/td\u003e\n\u003ctd\u003eBulkhead mounted enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch2\u003eConnections \/ Interfaces\u003c\/h2\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTerminal\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLOOP +\u003c\/td\u003e\n\u003ctd\u003e4–20 mA output \/ power input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM\u003c\/td\u003e\n\u003ctd\u003eSignal reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePROX OUT\u003c\/td\u003e\n\u003ctd\u003eRaw vibration signal for diagnostics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTEST\u003c\/td\u003e\n\u003ctd\u003eLoop verification input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch2\u003eInstallation Guidelines\u003c\/h2\u003e\n\u003cp\u003eThe transmitter is intended for rigid mounting using bulkhead screw fixation. Installation should ensure stable mechanical coupling between enclosure and mounting surface to avoid resonance-induced signal variation.\u003c\/p\u003e\n\u003cp\u003eProbe cable routing must avoid parallel alignment with high-power conductors to reduce EMI coupling. Shield termination should be implemented at a single grounding point.\u003c\/p\u003e\n\u003cp\u003eDuring commissioning, verify probe gap alignment and confirm stable loop current under normal machine operating conditions before enabling alarm logic in the control system.\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the main function of this transmitter?\u003c\/strong\u003e\u003cbr\u003eIt converts proximity probe vibration into a 4–20 mA signal for monitoring systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat probe system is required?\u003c\/strong\u003e\u003cbr\u003eIt is designed for the Bently Nevada 3300 NSv probe system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the bulkhead mounting provide?\u003c\/strong\u003e\u003cbr\u003eIt allows rigid installation directly onto panels or machine skids.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a diagnostic vibration system?\u003c\/strong\u003e\u003cbr\u003eNo, it is intended for trend-level monitoring only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is PROX OUT used for?\u003c\/strong\u003e\u003cbr\u003eIt provides raw vibration signal access for maintenance diagnostics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if a probe fault occurs?\u003c\/strong\u003e\u003cbr\u003eThe output drops to indicate a NOT OK condition.\u003c\/p\u003e\n\u003ch2\u003eOrdering Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eModel: 990 Vibration Transmitter\u003c\/li\u003e\n\u003cli\u003eFull-scale Option: 05 = 0–5 mils pp\u003c\/li\u003e\n\u003cli\u003eSystem Length Option: 70 = 7.0 meters\u003c\/li\u003e\n\u003cli\u003eMounting Option: 02 = Bulkhead screws\u003c\/li\u003e\n\u003cli\u003eAgency Option: CN variant marking\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668308423019,"sku":"990-05-70-02-CN","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/990-05-70-02-CN-oaygg0ehdlq_bde42cfa-7566-42f5-8e4a-d0f6bc82e176.jpg?v=1765520754"},{"product_id":"990-05-50-01-cn-bently-nevada-990-vibration-transmitter","title":"990-05-50-01-CN | Bently Nevada | 990 Vibration Transmitter","description":"\u003ch4\u003eDescription\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003e990 Vibration Transmitter\u003c\/strong\u003e is a loop-powered, two-wire vibration measurement device designed for direct integration with machinery protection or condition monitoring systems in rotating equipment applications such as compressors, pumps, motors, and fans. It converts radial vibration sensed by a \u003cstrong\u003e3300 NSv proximity probe system\u003c\/strong\u003e into a proportional \u003cstrong\u003e4–20 mA signal representing peak-to-peak vibration amplitude\u003c\/strong\u003e, enabling continuous monitoring at the control system level.\u003c\/p\u003e\n\u003cp\u003eThis transmitter is typically applied where simplified vibration indication is required without full diagnostic vibration analysis capability. It incorporates an internal Proximitor-style signal conditioning stage, eliminating the need for an external driver module.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e990-05-50-01-CN\u003c\/strong\u003e configuration defines a 0–5 mils peak-to-peak measurement range, a 5.0 meter system length, DIN rail mounting hardware, and region-specific approval marking for installation in regulated environments.\u003c\/p\u003e\n\u003cp\u003eA secondary diagnostic output is available via PROX OUT interface, allowing access to raw vibration signal for troubleshooting using compatible test equipment with proper isolation.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-wire loop powered vibration transmitter (4–20 mA output)\u003c\/li\u003e\n\u003cli\u003eCompatible with \u003cstrong\u003e3300 NSv proximity probe system\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eInternal signal conditioning (no external Proximitor required)\u003c\/li\u003e\n\u003cli\u003ePeak-to-peak vibration amplitude output\u003c\/li\u003e\n\u003cli\u003ePROX OUT diagnostic signal access available\u003c\/li\u003e\n\u003cli\u003eNon-interacting zero and span adjustment\u003c\/li\u003e\n\u003cli\u003ePower-up inhibit and NOT OK signal protection behavior\u003c\/li\u003e\n\u003cli\u003eDIN rail mounting hardware included\u003c\/li\u003e\n\u003cli\u003eBulkhead mounting alternative available (variant dependent)\u003c\/li\u003e\n\u003cli\u003ePotted housing for high humidity environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eApplications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eCentrifugal air compressors\u003c\/li\u003e\n\u003cli\u003eSmall centrifugal pumps\u003c\/li\u003e\n\u003cli\u003eElectric motors\u003c\/li\u003e\n\u003cli\u003eIndustrial cooling fans\u003c\/li\u003e\n\u003cli\u003eOEM packaged rotating machinery\u003c\/li\u003e\n\u003cli\u003eAuxiliary machinery vibration trending\u003c\/li\u003e\n\u003cli\u003eBasic protection input to control systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e2-Wire Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e990-05-50-01-CN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput\u003c\/td\u003e\n\u003ctd\u003e3300 NSv proximity probe system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e4–20 mA proportional vibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Range\u003c\/td\u003e\n\u003ctd\u003e0–5 mils pp (0–100 µm pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length\u003c\/td\u003e\n\u003ctd\u003e5.0 m (16.4 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoop Resistance\u003c\/td\u003e\n\u003ctd\u003eUp to 1000 ohm (including cable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e5 Hz to 6000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-35 C to +85 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-52 C to +100 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e100% condensing (non-submerged)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal System Weight\u003c\/td\u003e\n\u003ctd\u003e0.82 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003ePotted industrial enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Case Material\u003c\/td\u003e\n\u003ctd\u003eAISI 303 \/ 304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Cable\u003c\/td\u003e\n\u003ctd\u003e75 ohm FEP insulated coaxial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Strength\u003c\/td\u003e\n\u003ctd\u003e222 N (50 lbf)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Target Size\u003c\/td\u003e\n\u003ctd\u003e9.5 mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch4\u003eConnections \/ Interfaces\u003c\/h4\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConnector \/ Terminal\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePROX OUT\u003c\/td\u003e\n\u003ctd\u003eRaw vibration signal output (diagnostic use)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM\u003c\/td\u003e\n\u003ctd\u003eCommon reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoop +\u003c\/td\u003e\n\u003ctd\u003e4–20 mA loop power input\/output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTest Input\u003c\/td\u003e\n\u003ctd\u003eSignal verification input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch4\u003eInstallation Guidelines\u003c\/h4\u003e\n\u003cp\u003eInstall the transmitter on a stable panel or DIN rail with minimal mechanical vibration influence. Maintain correct probe gap between 0.5 mm and 1.75 mm to ensure linear operation. Use shielded coaxial cable routing for probe signal integrity. Avoid running probe cables parallel to high-voltage power lines to reduce EMI coupling.\u003c\/p\u003e\n\u003cp\u003eFor PROX OUT diagnostic usage, apply proper signal isolation when connecting to grounded test instruments. Ensure enclosure sealing is maintained in high humidity environments.\u003c\/p\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eIs this transmitter suitable for vibration diagnostics?\u003c\/strong\u003e\u003cbr\u003eIt is designed for basic vibration monitoring and trending, not full diagnostic analysis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it require an external signal conditioner?\u003c\/strong\u003e\u003cbr\u003eNo, the signal conditioning is integrated inside the transmitter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat probe type is supported?\u003c\/strong\u003e\u003cbr\u003eIt is designed for use with the 3300 NSv proximity probe system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan PROX OUT be used directly on oscilloscope?\u003c\/strong\u003e\u003cbr\u003eYes, but isolation is recommended when using grounded test equipment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens during probe failure?\u003c\/strong\u003e\u003cbr\u003eThe output enters NOT OK condition and drops below 3.6 mA to indicate fault.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this suitable for critical turbine monitoring?\u003c\/strong\u003e\u003cbr\u003eNo, it is intended for non-critical or auxiliary machinery applications.\u003c\/p\u003e\n\u003ch4\u003eOrdering Information\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel: \u003c\/strong\u003e990 - Vibration Transmitter\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-scale Option: \u003c\/strong\u003e-05 = 0–5 mils pp (0–100 µm pp)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Length Option: \u003c\/strong\u003e-50 = 5.0 meters (16.4 feet)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Option: \u003c\/strong\u003e-01 = 35 mm DIN rail clips\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAgency Approval Option: \u003c\/strong\u003e-CN = regional compliance marking option\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668314648939,"sku":"990-05-50-01-CN","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/990-05-50-01-cn-513xklmghp0_d24f999d-16cd-430f-857b-2d504798ffe3.jpg?v=1765520973"},{"product_id":"bently-nevada-991-06-70-01-00-991-thrust-transmitter","title":"Bently Nevada 991-06-70-01-00 991 Thrust Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e991 Thrust Transmitter\u003c\/strong\u003e provides continuous axial shaft position monitoring for rotating machinery protection systems. The transmitter converts proximity probe displacement signals into a proportional 4 to 20 mA output suitable for PLC, DCS, and machinery monitoring applications.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 991-06-70-01-00\u003c\/strong\u003e is configured for a 0.6 mm full-scale measurement range and a 7.0 m transducer system length. The unit supports direct integration with compatible proximity probe systems for thrust position measurement on compressors, pumps, motors, and other critical rotating equipment.\u003c\/p\u003e\n\u003cp\u003eThe transmitter combines signal conditioning and current loop transmission within a compact housing. DIN-rail mounting clips simplify cabinet installation in industrial control panels and OEM machinery skids.\u003c\/p\u003e\n\u003cp\u003eDiagnostic signal access supports maintenance verification and machinery condition analysis during operation. The design is suitable for installations requiring continuous thrust monitoring with standard analog control system interfaces.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2-wire loop-powered transmitter\u003c\/li\u003e\n\u003cli\u003e4 to 20 mA output signal\u003c\/li\u003e\n\u003cli\u003e0.6 mm full-scale range\u003c\/li\u003e\n\u003cli\u003e7.0 m system length configuration\u003c\/li\u003e\n\u003cli\u003eDIN-rail mounting clips\u003c\/li\u003e\n\u003cli\u003eIntegrated signal conditioning\u003c\/li\u003e\n\u003cli\u003eCompact industrial housing\u003c\/li\u003e\n\u003cli\u003eDiagnostic signal access\u003c\/li\u003e\n\u003cli\u003eSuitable for continuous thrust monitoring\u003c\/li\u003e\n\u003cli\u003eCompatible with machinery protection systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentrifugal compressors\u003c\/li\u003e\n\u003cli\u003eIndustrial pumps\u003c\/li\u003e\n\u003cli\u003eSteam turbines\u003c\/li\u003e\n\u003cli\u003eElectric motors\u003c\/li\u003e\n\u003cli\u003eRotating equipment skids\u003c\/li\u003e\n\u003cli\u003eProcess control systems\u003c\/li\u003e\n\u003cli\u003eTurbomachinery monitoring\u003c\/li\u003e\n\u003cli\u003eIndustrial vibration monitoring systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCode\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e991\u003c\/td\u003e\n\u003ctd\u003eThrust Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e06\u003c\/td\u003e\n\u003ctd\u003e0.6 mm full-scale range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e7.0 metres (23.0 feet) system length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e01\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN-rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e00\u003c\/td\u003e\n\u003ctd\u003eNot required agency approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eThrust Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e991-06-70-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003e991\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eMade in U.S.A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Scale Option\u003c\/td\u003e\n\u003ctd\u003e0.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length\u003c\/td\u003e\n\u003ctd\u003e7.0 metres (23.0 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Option\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN-rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Approval\u003c\/td\u003e\n\u003ctd\u003eNot required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd\u003e53.3 mm x 73.9 mm x 100.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Height (without DIN clip)\u003c\/td\u003e\n\u003ctd\u003e42.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Distance (Width x Length)\u003c\/td\u003e\n\u003ctd\u003e63.5 mm x 69.9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e5.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Method\u003c\/td\u003e\n\u003ctd\u003eDIN rail mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the transmitter on a standard 35 mm DIN rail inside a grounded industrial enclosure. Maintain adequate spacing between signal wiring and high-voltage power cables to reduce electrical interference.\u003c\/p\u003e\n\u003cp\u003eUse shielded transducer cables and connect shields according to plant grounding practices. Avoid routing probe cables near motor starters, VFD output wiring, or switching power supplies.\u003c\/p\u003e\n\u003cp\u003eVerify proper probe gap adjustment before system commissioning. Incorrect mechanical positioning may affect transmitter scaling and thrust measurement accuracy.\u003c\/p\u003e\n\u003cp\u003eEnsure sufficient ventilation inside the control cabinet when the transmitter operates in elevated ambient temperatures.\u003c\/p\u003e\n\u003cp\u003eInspect DIN-rail retention clips after installation to confirm secure mechanical mounting in high-vibration environments.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the transmitter measure?\u003c\/strong\u003e\u003cbr\u003eIt measures axial shaft displacement for thrust position monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat output signal does the unit provide?\u003c\/strong\u003e\u003cbr\u003eThe transmitter provides a 4 to 20 mA analog output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the configured measurement range?\u003c\/strong\u003e\u003cbr\u003eThis version uses a 0.6 mm full-scale range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich mounting method is included?\u003c\/strong\u003e\u003cbr\u003eThe unit includes 35 mm DIN-rail mounting clips.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the system cable length?\u003c\/strong\u003e\u003cbr\u003eThe configured system length is 7.0 metres.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the transmitter connect to a PLC analog input?\u003c\/strong\u003e\u003cbr\u003eYes. The 4 to 20 mA output is suitable for standard PLC and DCS analog input channels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the transmitter suitable for compressor monitoring?\u003c\/strong\u003e\u003cbr\u003eYes. It is commonly used on compressors and other rotating machinery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the housing support panel installation?\u003c\/strong\u003e\u003cbr\u003eYes. The compact housing supports industrial control cabinet installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of machinery commonly uses this device?\u003c\/strong\u003e\u003cbr\u003ePumps, motors, compressors, and turbines commonly use thrust transmitters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs external signal conditioning required?\u003c\/strong\u003e\u003cbr\u003eNo. Signal conditioning is integrated within the transmitter.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668317270379,"sku":"991-06-70-01-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-991-06-70-01-00-vibration-transmitter-nubym3e0lah.jpg?v=1765439757"},{"product_id":"bently-nevada-177230-01-02-05-seismic-vibration-transmitter","title":"Bently Nevada 177230-01-02-05 Seismic Vibration Transmitter","description":"\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e177230-01-02-05 (177230010205)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a self-contained seismic vibration transmitter designed to provide a simple, cost-effective solution for monitoring general-purpose machinery. This device integrates a piezoelectric accelerometer, signal processing electronics, and a 4-20 mA linear proportional output into a single, robust housing. Engineered for reliability in extreme industrial environments, the 177230 seismic transmitter monitors overall vibration levels on casings or bearing housings, facilitating early detection of mechanical faults. By providing continuous data directly to a PLC, DCS, or SCADA system, it eliminates the need for a separate monitor rack, effectively reducing system complexity and operational downtime. Its multiple hazardous area approvals ensure it meets international safety standards for deployment in volatile oil, gas, and power generation applications.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe 177230-01-02-05 model uses a specific alphanumeric configuration to define its operational parameters and safety ratings:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e01 (Measurement Range):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConfigured for a velocity range of 0 to 25.4 mm\/s (0 to 1.0 in\/s) peak.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e02 (Frequency Response):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCalibrated for a frequency range of 3 Hz to 1 kHz (180 to 60,000 cpm).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e05 (Approvals):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCertified for Multiple Approvals including CSA\/NRTL\/C and ATEX\/IECEx for use in hazardous locations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e177230-01-02-05\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBently Nevada\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e131 g (Device), 1.5 kg (Shipping)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOutput Signal\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4-20 mA DC proportional to vibration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40 to +85 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12 to 30 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCase Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e316L Stainless Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the transmitter grounded to prevent signal noise?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 177230 transmitter circuit is internally isolated from the case. To ensure signal integrity, the cable shield must be grounded at the control system end only, preventing ground loops that could interfere with the 4-20 mA current loop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this device require a Proximitor or external interface?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, the 177230 is a \"loop-powered\" transmitter. It outputs a 4-20 mA signal directly proportional to the vibration level, allowing it to interface directly with any analog input card without the need for additional Bently Nevada 3500 series racks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this transmitter be mounted in any orientation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe transmitter is sensitive to vibration in its primary axis (the direction of the mounting stud). It should be mounted perpendicular to the machine shaft for radial vibration or parallel to the shaft for axial thrust monitoring.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cp\u003eProper installation of the 177230-01-02-05 is critical for accurate data acquisition and long-term durability:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Surface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe mounting surface must be flat, clean, and smooth. Use a 1\/4-28 or M8 mounting stud to secure the device. Apply a thin layer of silicone grease or oil to the mounting interface to improve high-frequency response.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTorque Specifications:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsure the transmitter is torqued to approximately 4.5 Nm to 6.8 Nm. Under-torquing leads to poor signal transmission, while over-torquing can damage the internal piezoelectric element.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCabling and Shielding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUse high-quality twisted, shielded pair cable. The 177230 typically uses a 2-pin MIL-type connector. Ensure the connector is tight and use a weather-proofing boot if the sensor is exposed to moisture or cutting fluids.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHeat Dissipation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhile the unit is rated for 85 deg C, proximity to high-temperature steam pipes or exhaust manifolds should be mitigated using heat-sink blocks or thermal spacers if casing temperatures exceed the rated limit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHazardous Areas:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIn ATEX\/IECEx zones, ensure the installation complies with intrinsic safety requirements. If utilizing the \"05\" approval for a Div 2 or Zone 2 area, verified explosion-proof conduit seals or approved cable glands must be used to maintain the integrity of the protective enclosure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003c\/h3\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668321694059,"sku":"177230-01-02-05","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-177230-01-02-05-seismic-transmitter-zjegzpfa4qd_7e3a95dc-bbab-4119-8674-88ca43353ff2.jpg?v=1765446899"},{"product_id":"bently-nevada-991-25-50-01-00-thrust-transmitter","title":"Bently Nevada 991-25-50-01-00 Thrust Transmitter","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e991-25-50-01-00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision, loop-powered device engineered to provide a continuous 4-20 mA output proportional to axial shaft position. As a critical component of the Bently Nevada 991 series, this\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e991-25-50-01-00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003etransmitter is designed to integrate seamlessly with PLCs or DCS units for machinery protection without requiring a separate monitor rack. It is widely utilized in hydro-electric plants, reciprocating compressors, and industrial gearbox monitoring to detect thrust bearing wear and prevent rotor-to-stator contact. By delivering real-time axial displacement data, this transmitter enables predictive maintenance strategies that protect multi-million dollar assets from catastrophic failure, effectively reducing unplanned downtime and enhancing operational safety in demanding industrial environments.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe technical configuration of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e991-25-50-01-00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis defined by the following specific options:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e25 (Full-scale Option):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConfigured for a measurement range of 25-0-25 mils (standard thrust range).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e50 (System Length Option):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCalibrated for use with a 5.0 meter (16.4 feet) total system length (probe plus extension cable).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e01 (Mounting Option):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupplied with 35 mm DIN-rail clips for standardized cabinet installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e00 (Agency Approval Option):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStandard version; no specific hazardous area approvals required for the installation site.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e991-25-50-01-00\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBently Nevada (Baker Hughes)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eU.S.A.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Signal\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4-20 mA DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMeasurement Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25-0-25 mils\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSystem Length\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.0 meters\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e35 mm DIN-rail\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-35 to +85 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12 to 35 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.0 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOperations \u0026amp; Maintenance FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a 7.0-meter cable with this transmitter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e991-25-50-01-00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis specifically factory-calibrated for a 5.0-meter system length (Option 50). Using a different cable length will result in significant measurement errors and non-linearity in the 4-20 mA output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if the probe signal is lost?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe transmitter includes \"Not-OK\" status logic. If the input signal from the proximity probe falls outside the valid range (e.g., due to a broken cable), the 4-20 mA output will typically drop below 3.6 mA, allowing the control system to distinguish between a thrust alarm and a transducer failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this unit require a Proximitor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 991 series Thrust Transmitter combines the functions of a Proximitor and a signal conditioner into a single unit, providing a direct 4-20 mA interface for your PLC\/DCS.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAxial Gap Calibration and Zeroing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen installing the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e991-25-50-01-00\u003c\/strong\u003e, the proximity probe must be gapped while the shaft is in a known axial position (usually against the active thrust shoe). The transmitter is calibrated so that the center of the 4-20 mA range (12 mA) represents the \"Zero\" position. Ensure the probe is positioned within its linear range—typically indicated by a specific DC voltage at the \"Prox Out\" terminals—before finalizing the mechanical installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWiring and Shielding Protocols\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo ensure signal integrity in high-EMI industrial environments, use shielded twisted-pair cabling for the 4-20 mA loop. The shield should be terminated at the instrument ground of the control system (DCS\/PLC) only. Avoid grounding the shield at both ends to prevent ground loops, which can cause signal drift or \"ghost\" alarms in the thrust readings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Considerations and Enclosure\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the unit is rated for operation up to 85 deg C, localized heating inside control cabinets can exceed these limits. Ensure the DIN-rail mounting area has adequate ventilation. For installations in extremely corrosive or humid environments, the transmitter should be housed in a secondary NEMA 4X or IP66 rated enclosure to protect the terminal connections from oxidation.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668321726827,"sku":"991-25-50-01-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/991-25-50-01-00-ik0hsfwm0cz_99cf8fd8-4e55-413b-a0a4-c019a3817d3d.jpg?v=1765521168"},{"product_id":"bently-nevada-177230-01-02-cn-seismic-vibration-transmitter","title":"Bently Nevada 177230-01-02-CN Seismic Vibration Transmitter","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e177230-01-02-CN\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision, loop-powered seismic vibration transmitter designed to provide a 4-20 mA output proportional to vibration velocity. This\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e177230-01-02-CN\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eunit is an essential component for monitoring the casing vibration of industrial machinery such as electric motors, centrifugal pumps, and medium-speed fans in the oil and gas, power generation, and mining sectors. By allowing for direct integration into a PLC or DCS without the need for an intermediate monitoring rack, this transmitter offers a cost-effective solution for asset protection. Its robust 316L stainless steel construction ensures reliable performance in corrosive and high-humidity environments, enabling early detection of mechanical imbalances and bearing wear to prevent catastrophic equipment failure.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe technical profile of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e177230-01-02-CN\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis defined by the following suffix configurations:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e177230:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBase model for the Seismic Vibration Transmitter series.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-01 (Measurement Range):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCalibrated for a velocity range of 0 to 25.4 mm\/s (0 to 1.0 in\/s) peak.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-02 (Frequency Response):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProvides a wide frequency bandwidth from 3 Hz to 1 kHz (180 to 60 kcps) peak, suitable for a broad spectrum of rotating machinery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-CN (Agency Approvals):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMandatory China-specific approvals.\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis version is fully certified by\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eNEPSI\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand meets\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCCC (China Compulsory Certificate)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequirements for explosion-proof safety according to the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGB 3836\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003estandard, authorizing its use in hazardous industrial zones within the Chinese market.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e177230-01-02-CN\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBently Nevada (Baker Hughes)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eU.S.A.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Signal\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4-20 mA DC (Proportional to Velocity)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCase Material\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e316L Stainless Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3-pin MIL-C-5015 (316L SS)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting Hole\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1\/4-28 UNF\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40 to +85 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 100% non-submerged\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25.4 mm (Diameter) x 66.0 mm (Height)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.131 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOperational Insights \u0026amp; FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the -CN version differ from the standard international model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e177230-01-02-CN\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis functionally identical to the standard model but includes the specific firmware and labeling required for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eNEPSI\/CCC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecompliance. This is a legal requirement for any explosion-proof equipment being installed in regulated facilities across China.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this transmitter compatible with standard PLC inputs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Since the transmitter provides a standard 4-20 mA loop-powered signal, it can be wired directly into any PLC or DCS analog input card that supports a 2-wire or 4-wire loop configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum humidity this unit can withstand?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe transmitter is rated for up to 100% relative humidity, provided it is not fully submerged. The 316L stainless steel case and connector ensure that moisture does not lead to casing corrosion or signal degradation.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Surface and Torque Requirements\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor accurate seismic measurement, the transmitter must be rigidly attached to the machine casing. The mounting surface should be flat and free of debris. Use the 1\/4-28 UNF mounting hole to secure the device. We recommend a mounting torque of 2.7 to 6.8 Nm (24 to 60 in-lb). Ensure the transmitter is oriented in the specific axis (horizontal, vertical, or axial) you intend to monitor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWiring and Loop Power Considerations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e177230-01-02-CN\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a 2-wire, loop-powered device typically requiring a supply voltage between 12 and 30 VDC. Use high-quality shielded twisted-pair cabling for the signal loop. The shield should be grounded only at the control system end to prevent ground loops, which can introduce noise into the 4-20 mA signal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHazardous Area Compliance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo maintain the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eNEPSI\/CCC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esafety rating in hazardous environments, the transmitter must be installed in conjunction with an appropriately rated intrinsic safety (IS) barrier. Ensure that all conduit and cable entries meet the local\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGB 3836\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eexplosion-proof requirements to ensure the overall integrity of the safety loop.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668323004779,"sku":"177230-01-02-CN","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/177230-01-02-cn-iv0fvhm2pz5_58a4912e-d96f-4ddf-a154-d55ae3bcc81f.jpg?v=1765521216"},{"product_id":"bently-nevada-990-04-50-01-00-vibration-transmitter-1","title":"Bently Nevada 990-04-50-01-00 Vibration Transmitter","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e990-04-50-01-00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 990 Vibration Transmitter\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed for direct interface with a 3300 NSv proximity probe and extension cable, converting mechanical vibration into a proportional 4–20 mA output for process control and protection systems. Its compact design allows efficient installation on DIN rail assemblies and ensures dependable operation in continuous-monitoring environments.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eConfigured for a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0–4 mils peak-to-peak\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efull-scale vibration range (equivalent to 0–100 µm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5.0 m system length\u003c\/strong\u003e, compatible with NSv proximity probe assemblies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDIN-rail mounting clips included for fast, secure installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOperates from a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e+12 to +35 VDC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003epower source for flexible panel integration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for monitoring small-diameter shafts or lightly loaded rotating equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProvides a stable 4–20 mA output proportional to vibration amplitude\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e990-04-50-01-00\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eVibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-Scale Range\u003c\/td\u003e\n\u003ctd\u003e0–4 mils pp (0–100 µm pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length\u003c\/td\u003e\n\u003ctd\u003e5.0 m (16.4 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN-rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Input\u003c\/td\u003e\n\u003ctd\u003e3300 NSv proximity probe + extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Loop Resistance\u003c\/td\u003e\n\u003ctd\u003e1,000 Ω @ 35 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Limiting\u003c\/td\u003e\n\u003ctd\u003eApprox. 23 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Approvals\u003c\/td\u003e\n\u003ctd\u003eNone specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSmall and medium rotating machinery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVibration trending for turbines, fans, blowers, pumps, and compressors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCondition monitoring for equipment without full 3500-series systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProcess automation systems requiring 4–20 mA vibration feedback\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668326871403,"sku":"990-04-50-01-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/990-04-50-01-00-xqhs1wkkdaq_c25a4692-2f64-4d69-9d2f-8235e51a070d.jpg?v=1765521350"},{"product_id":"bently-nevada-990-vibration-transmitter-990-04-70-02-cn","title":"Bently Nevada 990 Vibration Transmitter | 990-04-70-02-CN","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003ch4\u003eOverview\u003c\/h4\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 990-04-70-02-CN\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eVibration Transmitter is an advanced measurement device designed to monitor vibration levels in industrial equipment. Engineered for precision, it is widely used in machinery monitoring and predictive maintenance systems. Made in the USA, this transmitter delivers consistent, high-performance results in challenging industrial environments.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWide Measurement Range\u003c\/strong\u003e: Supports a full-scale measurement of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0-4 mils pp (0-100 µm pp)\u003c\/strong\u003e, offering highly sensitive vibration detection for accurate fault diagnosis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLong Cable Length\u003c\/strong\u003e: Features a 7.0-meter (23-foot) system length, providing flexibility in installation and optimal placement for accurate monitoring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Flexibility\u003c\/strong\u003e: Designed with bulkhead screws for secure and versatile mounting options in various machinery setups.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDurable Materials\u003c\/strong\u003e:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProbe Tip\u003c\/strong\u003e: Constructed with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePolyphenylene Sulfide (PPS)\u003c\/strong\u003e, known for its resistance to wear and high-temperature stability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProbe Case\u003c\/strong\u003e: Made from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAISI 303\/304 stainless steel (SST)\u003c\/strong\u003e, ensuring resistance to corrosion and long-term durability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnhanced Cable Construction\u003c\/strong\u003e: Coaxial,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e75Ω\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFEP-insulated\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprobe cable ensures consistent signal transmission while maintaining durability in harsh environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptional Cable Armor\u003c\/strong\u003e: Provides extra protection with flexible\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAISI 302 SST\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003earmor and optional FEP outer jacket.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Tensile Strength\u003c\/strong\u003e: With a maximum probe case to probe lead tensile strength of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e222 N (50 lbf)\u003c\/strong\u003e, the transmitter ensures stable performance under mechanical stress.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eApplications\u003c\/h4\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e990 Vibration Transmitter\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis ideal for monitoring rotating equipment, motors, compressors, and pumps, helping to detect early signs of mechanical issues and avoid costly breakdowns. It is a trusted solution in industries that require continuous monitoring and maintenance of mission-critical machinery.\u003c\/p\u003e\n\u003ch4\u003eApprovals\u003c\/h4\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e990-04-70-02-CN\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodel comes with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecountry-specific approvals (CN)\u003c\/strong\u003e, ensuring compliance with local regulations. Refer to the CN Approvals Quick Reference Guide for more details.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\/Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e990-04-70-02-CN\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0-4 mils pp (0-100 µm pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.0 meters (23.0 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Option\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBulkhead screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe Tip Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolyphenylene Sulfide (PPS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe Case Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAISI 303\/304 Stainless Steel (SST)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe Cable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e75Ω coaxial, FEP insulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Armor (Optional)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlexible AISI 302 SST with optional FEP outer jacket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTensile Strength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e222 N (50 lbf) probe case to probe lead\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.82 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668329787755,"sku":"990-04-70-02-CN","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/990-04-70-02-cn-3a0eckplz3b_3cc60a94-99c0-4374-a01e-3f2676d27d43.jpg?v=1765521400"}],"url":"https:\/\/www.plcprotech.com\/collections\/bently-nevada-vibration-transmitters.oembed?page=4","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}