{"product_id":"bently-nevada-991-01-xx-01-cn-991-thrust-transmitter","title":"Bently Nevada 991-01-XX-01-CN 991 Thrust Transmitter","description":"\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Bently Nevada \u003cstrong\u003e991-01-XX-01-CN\u003c\/strong\u003e is a loop-powered, 2-wire industrial instrumentation \u003cstrong\u003e991 thrust transmitter\u003c\/strong\u003e engineered for standalone machine protection on tight installation skids. This field-rugged instrument integrates the capabilities of a proximity sensor conditioner and a processing circuit into a single solid-state module, converting dynamic probe inputs directly into a standard 4-20 mA analog current loop output proportional to overall linear shaft position or axial thrust displacement. The \u003cstrong\u003e991-01-XX-01-CN\u003c\/strong\u003e connects with a non-contacting proximity transducer assembly to track continuous rotor movement relative to fluid-filmed thrust bearing collars. By routing the current loop directly into programmable logic controllers (PLCs), distributed control systems (DCSs), or SCADA blocks, it provides automatic machine trip protection without requiring a separate intermediate Proximitor sensor housing. The module features an independent buffered voltage terminal to stream unconditioned transducer waveforms directly to portable analyzer tools, a compact rail-ready physical profile, and dedicated market-specific certification codes for international industrial installation areas.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete integrated 2-wire architecture delivering a direct 4-20 mA analog current loop for axial thrust displacement tracking.\u003c\/li\u003e\n\u003cli\u003eIndependent front-facing buffered voltage terminal providing clean raw proximity waveforms for direct analyzer tool hookup.\u003c\/li\u003e\n\u003cli\u003eWide input supply flexibility drawing power straight from standard 24 VDC external analog control loops.\u003c\/li\u003e\n\u003cli\u003eSolid-state potted module construction providing high physical insulation and high reliability within confined panel spaces.\u003c\/li\u003e\n\u003cli\u003eStreamlined system footprint eliminating intermediate signal conditioners for space-restricted machinery skids.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eContinuous axial position and thrust bearing wear monitoring on high-pressure centrifugal gas compressors.\u003c\/li\u003e\n\u003cli\u003eStandalone rotor displacement safety loops on industrial process pumps, cooling water fans, and large blowers.\u003c\/li\u003e\n\u003cli\u003ePredictive maintenance and automatic over-travel protection across steam or gas power generation turbines.\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\u003eDetail\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eProduct Ordering Reference\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBase Model Designation\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\u003eFull Module Part Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e991-01-XX-01-CN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFull Option Suffix Block\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-01 (Full-Scale Range Option Suffix)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e-XX (Variable Options Selection Suffix)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e-01 (Mounting Hardware Base Option)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e-CN (Regional Specific Certification \/ Approval Suffix)\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\u003eDetail\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 Designation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e991-01-XX-01-CN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmitter Product Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-Wire Proximity Thrust \/ Axial Position Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Circuit Profile\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLoop-powered 2-wire current loop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAnalog Output Signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC proportional to linear axial displacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDynamic Diagnostic Port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuffered voltage output terminal for local analyzer plug-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Power Input Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNominal 24 VDC external supply loop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransducer Input Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-contacting proximity transducer probe assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChassis Assembly Suffix\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCN Certified Configuration Variant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Envelope Selection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e01 Mounting Configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChassis Mechanical Envelope\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCorrosion-resistant anodized housing with integrated terminal blocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHardware Core Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLow-profile compact footprint optimized for high-density side-by-side rail mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperational Weight Reference\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIndustrial standard field transmitter assembly weight\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 Point Designation\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eTerminal Function Assignment\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+ \/ Loop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePositive DC Loop Voltage Input Supply \/ Signal Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e- \/ Return\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNegative Return \/ Current Loop Signal Output Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBUF \/ Dynamic\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDynamic Raw Voltage Output Signal Point (For portable vibration\/position meters)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCOM \/ Ground\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCommon Circuit Ground reference terminal line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDedicated connection terminal block input for external proximity probe lead\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\u003eSurface Panel Mounting:\u003c\/strong\u003e Secure the transmitter baseplate firmly against a flat, unpainted, vibration-isolated instrument rail inside a local electrical junction box. Ensure solid physical contact to establish a proper chassis ground.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProximity Probe Interconnection:\u003c\/strong\u003e Route the proximity transducer coaxial lead wire straight into the designated probe input terminal blocks. Keep these high-impedance input lines separate from heavy industrial motor supply lines to reduce noise coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Loop Sizing:\u003c\/strong\u003e Verify total circuit loop resistance values and current loop supply capacities before activating the 24 VDC loop network to prevent voltage drops or components straining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostic Port Upkeep:\u003c\/strong\u003e Keep the buffered voltage output terminals clear of conductive dust and moisture when diagnostic testing tools are not connected to protect internal analyzer contacts from atmospheric degradation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666856997227,"sku":"991-01-XX-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-991-01-xx-01-cn-991-thrust-transmitter-nsipa5doqad_83bd00a0-ed23-4076-b7fd-0508120130df.jpg?v=1765449205","url":"https:\/\/www.plcprotech.com\/products\/bently-nevada-991-01-xx-01-cn-991-thrust-transmitter","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}