{"product_id":"bently-nevada-990-05-50-01-01-990-series-vibration-transmitter","title":"Transmetteur de vibration série 990 Bently Nevada 990-05-50-01-01","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","url":"https:\/\/www.plcprotech.com\/fr\/products\/bently-nevada-990-05-50-01-01-990-series-vibration-transmitter","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}