{"product_id":"991-06-50-01-cn-991-thrust-transmitter-bently-nevada","title":"991-06-50-01-CN 991 Thrust Transmitter | Bently Nevada","description":"\u003ch2\u003eBently Nevada 991-06-50-01-CN 991 Thrust Transmitter\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 991-06-50-01-CN\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e991\u003c\/strong\u003e Thrust Transmitter, operates as a dedicated hardware component for axial shaft displacement measurement within machinery protection monitoring systems.\u003c\/p\u003e\n\u003ch3\u003eHardware 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\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\u003e991-06-50-01-CN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\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\u003e991 Thrust Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\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\u003c\/td\u003e\n\u003ctd\u003eNot specified in available technical data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-35 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eLoop-powered, supplied from 12 to 35 VDC loop power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Type\u003c\/td\u003e\n\u003ctd\u003eAxial displacement \/ thrust position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Sensor\u003c\/td\u003e\n\u003ctd\u003e3300 NSv Proximity Probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e4-20 mA proportional current output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoop Configuration\u003c\/td\u003e\n\u003ctd\u003e2-wire loop-powered transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Scale Option\u003c\/td\u003e\n\u003ctd\u003e0.6-0-0.6 mm thrust measurement range\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 Method\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN-rail mounting clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Loop Resistance\u003c\/td\u003e\n\u003ctd\u003e1,000 ohms at 35 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Linear Range\u003c\/td\u003e\n\u003ctd\u003e0.25 to 1.65 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProx Out Scale Factor\u003c\/td\u003e\n\u003ctd\u003e7.87 mV\/um (200 mV\/mil) typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoop Accuracy\u003c\/td\u003e\n\u003ctd\u003e±1.5% of specified full-scale range typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFault Detection\u003c\/td\u003e\n\u003ctd\u003eNot OK output reduction below 3.6 mA within 100 us after fault detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Operating Temperature\u003c\/td\u003e\n\u003ctd\u003e-52 deg C to +177 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEddy-Current Probe Scaling and Rotor Dynamics Monitoring\u003c\/h3\u003e\n\u003cp\u003eThe 991-06-50-01-CN transmitter processes eddy-current proximity probe signals from the 3300 NSv sensor system and converts displacement measurements into a linear 4-20 mA output. The signal conditioning circuit maintains the relationship between probe gap variation and axial shaft position.\u003c\/p\u003e\n\u003cp\u003eThe transmitter supports gap voltage validation during commissioning. The probe system uses a negative bias voltage measurement method, with typical gap verification referenced around the -10 VDC operating target for eddy-current probe calibration.\u003c\/p\u003e\n\u003cp\u003eThe unit provides PROX OUT diagnostic access for monitoring probe gap conditions and dynamic signal behavior. The design supports rotor dynamics analysis by maintaining proportional displacement information required for thrust position monitoring.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What input sensor is required for the Bently Nevada 991-06-50-01-CN?\u003cbr\u003eA: The transmitter requires a compatible Bently Nevada 3300 NSv proximity probe and matching extension cable system for axial displacement measurement.\u003c\/p\u003e\n\u003cp\u003eQ: What electrical output does the 991-06-50-01-CN provide?\u003cbr\u003eA: The transmitter provides a 4-20 mA proportional current output through a 2-wire loop-powered configuration.\u003c\/p\u003e\n\u003cp\u003eQ: What mounting method is used for this transmitter?\u003cbr\u003eA: The unit uses 35 mm DIN-rail mounting clips for installation inside industrial control cabinets.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the transmitter on a correctly secured 35 mm DIN rail inside a protected enclosure.\u003c\/li\u003e\n\u003cli\u003eVerify probe wiring polarity and cable shielding before applying loop power.\u003c\/li\u003e\n\u003cli\u003eMaintain separation between probe signal wiring and high-voltage power cables to reduce electrical interference.\u003c\/li\u003e\n\u003cli\u003eConfirm the probe gap voltage during commissioning before performing thrust position calibration.\u003c\/li\u003e\n\u003cli\u003eConnect the 4-20 mA loop according to the receiving PLC, DCS, or machinery protection input requirements.\u003c\/li\u003e\n\u003cli\u003eVerify grounding practices for shielded instrumentation cables according to site electrical standards.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44350143332440,"sku":"991-06-50-01-CN","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/991-06-50-01-CN-3.jpg?v=1783588910","url":"https:\/\/www.industriaxplc.com\/id\/products\/991-06-50-01-cn-991-thrust-transmitter-bently-nevada","provider":"IndustriaX Limited","version":"1.0","type":"link"}