{"product_id":"bently-nevada-991-25-xx-01-cn-991-thrust-transmitter","title":"Bently Nevada 991-25-XX-01-CN 991 Thrust Transmitter","description":"\u003ch2\u003eBently Nevada 991-25-XX-01-CN 991 Thrust Transmitter\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 991-25-XX-01-CN\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e991-25-XX-01-CN\u003c\/strong\u003e 991 Thrust Transmitter, operates as a dedicated hardware component for axial shaft position measurement within Bently Nevada TSI 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\u003e991-25-XX-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\u003eThrust 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\u003e0.44 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e7.3 x 5 x 10 cm (estimated shipping size)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\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\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e4-20 mA proportional thrust position signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 VDC input at transmitter terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\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\u003eCurrent Limiting\u003c\/td\u003e\n\u003ctd\u003e23 mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZero Adjustment\u003c\/td\u003e\n\u003ctd\u003eExternal non-interacting adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpan Adjustment\u003c\/td\u003e\n\u003ctd\u003eExternal non-interacting adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Scale Option\u003c\/td\u003e\n\u003ctd\u003e25-0-25 mils\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length Option\u003c\/td\u003e\n\u003ctd\u003e5.0 meters (16.4 feet)\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\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEddy-Current Probe Signal Scaling and Rotor Position Measurement\u003c\/h3\u003e\n\u003cp\u003eThe 991-25-XX-01-CN receives displacement signals from a 3300 NSv eddy-current proximity probe system and converts the probe output into a proportional 4-20 mA transmission signal. The transmitter processes shaft axial movement based on the probe gap relationship and provides continuous thrust position data for TSI monitoring applications.\u003c\/p\u003e\n\u003cp\u003eThe eddy-current probe scaling circuit maintains signal conversion between the probe displacement range and transmitter output range. External zero and span adjustments allow field calibration without interaction between the two settings.\u003c\/p\u003e\n\u003cp\u003eThe system architecture supports mechanical condition monitoring by measuring rotor axial position changes. Proper probe installation, gap voltage validation, and signal cable routing are required to maintain measurement accuracy and reduce electrical interference.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What type of sensor input does the 991-25-XX-01-CN accept?\u003cbr\u003eA: The transmitter accepts one non-contacting 3300 NSv Proximity Probe with matching extension cable for axial displacement measurement.\u003c\/p\u003e\n\u003cp\u003eQ: What power supply range is required for operation?\u003cbr\u003eA: The transmitter requires a +12 to +35 VDC input connected at the transmitter terminal.\u003c\/p\u003e\n\u003cp\u003eQ: How is the output signal adjusted during commissioning?\u003cbr\u003eA: Zero and span calibration are performed through external non-interacting adjustment controls on the transmitter.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the transmitter on a suitable 35 mm DIN rail mounting system using the supplied DIN-rail clips.\u003c\/li\u003e\n\u003cli\u003eConnect the 3300 NSv proximity probe and extension cable according to the Bently Nevada installation documentation.\u003c\/li\u003e\n\u003cli\u003eMaintain proper cable routing separation from high-current power conductors to reduce electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eVerify probe wiring polarity and shield termination before system energization.\u003c\/li\u003e\n\u003cli\u003ePerform zero and span calibration after mechanical installation and confirm the 4-20 mA output corresponds with the required thrust position range.\u003c\/li\u003e\n\u003cli\u003eEnsure the DC supply voltage remains within the specified +12 to +35 VDC operating range.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44350208671832,"sku":"991-25-XX-01-CN","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/991-25-XX-01-CN-3.jpg?v=1783590670","url":"https:\/\/www.industriaxplc.com\/products\/bently-nevada-991-25-xx-01-cn-991-thrust-transmitter","provider":"IndustriaX Limited","version":"1.0","type":"link"}