{"product_id":"bently-nevada-991-50-xx-01-00-991-thrust-transmitter","title":"Bently Nevada 991-50-XX-01-00 991 Thrust Transmitter","description":"\u003ch2\u003eBently Nevada 991-50-XX-01-00 991 Thrust Transmitter\u003c\/h2\u003e\n\u003cp\u003eConfigured for axial shaft position measurement in rotating machinery monitoring systems, the \u003cstrong\u003eBently Nevada 991-50-XX-01-00\u003c\/strong\u003e (\u003cstrong\u003e991-50-XX-01-00\u003c\/strong\u003e 991 Thrust Transmitter) provides direct physical signal conversion from a 3300 NSv proximity probe input to a proportional 4-20 mA output.\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\u003e991-50-XX-01-00\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\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\u003eApprox. 0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eCompact DIN-rail mounting enclosure\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, 12 to 35 VDC supply\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\u003eMeasurement Function\u003c\/td\u003e\n\u003ctd\u003eAxial shaft displacement and thrust position monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Sensor\u003c\/td\u003e\n\u003ctd\u003eBently Nevada 3300 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 DC proportional current output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCircuit Configuration\u003c\/td\u003e\n\u003ctd\u003eTwo-wire transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eDIN-rail mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Range\u003c\/td\u003e\n\u003ctd\u003e+\/- 0.5 mm full-scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Interface\u003c\/td\u003e\n\u003ctd\u003e75 ohm coaxial probe cable system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-51 deg C to +100 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Rating\u003c\/td\u003e\n\u003ctd\u003e100% condensing, non-submerged with connector protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eRotating machinery condition monitoring systems\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 Signal Processing\u003c\/h3\u003e\n\u003cp\u003eThe Bently Nevada 991-50-XX-01-00 operates with eddy-current proximity measurement technology through the 3300 NSv probe system. The probe generates an electromagnetic field, and shaft movement changes the probe impedance to provide proportional displacement information.\u003c\/p\u003e\n\u003cp\u003eThe transmitter performs probe signal conditioning and eddy-current probe scaling before converting the measured axial displacement into a 4-20 mA output signal. Therefore, external signal conversion equipment is not required for connection to compatible monitoring inputs.\u003c\/p\u003e\n\u003cp\u003eThe installation process includes gap voltage validation based on Bently Nevada probe operating requirements. The system uses controlled probe excitation and signal processing methods to maintain measurement accuracy during rotor axial movement monitoring.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What input sensor is required for the 991-50-XX-01-00 transmitter?\u003c\/strong\u003e\u003cbr\u003eA: The transmitter requires a compatible Bently Nevada 3300 NSv proximity probe with the matching cable system for axial position measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What electrical output does the 991-50-XX-01-00 provide?\u003c\/strong\u003e\u003cbr\u003eA: The unit provides a two-wire 4-20 mA DC proportional output representing measured thrust position.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How should the transmitter be mounted in a control cabinet?\u003c\/strong\u003e\u003cbr\u003eA: The transmitter is designed for DIN-rail mounting inside an industrial control enclosure with appropriate wiring separation and cable routing practices.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify compatibility between the transmitter, proximity probe, and extension cable before commissioning.\u003c\/li\u003e\n\u003cli\u003eConfirm correct probe installation position and perform gap voltage validation during setup.\u003c\/li\u003e\n\u003cli\u003eRoute probe cables separately from high-current power wiring to reduce electrical interference.\u003c\/li\u003e\n\u003cli\u003eConnect the 4-20 mA loop according to the receiving PLC, DCS, or machinery monitoring input requirements.\u003c\/li\u003e\n\u003cli\u003eMaintain proper shielding and grounding practices for low-level proximity measurement signals.\u003c\/li\u003e\n\u003cli\u003eInspect terminal connections and loop current values after installation to confirm correct signal transmission.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44350173839448,"sku":"991-50-XX-01-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/991-50-XX-01-00-2.jpg?v=1783589193","url":"https:\/\/www.industriaxplc.com\/ar\/products\/bently-nevada-991-50-xx-01-00-991-thrust-transmitter","provider":"IndustriaX Limited","version":"1.0","type":"link"}