{"product_id":"bently-nevada-991-05-70-01-01-991-thrust-transmitter","title":"Bently Nevada 991-05-70-01-01 991 Thrust Transmitter","description":"\u003cp\u003eThe \u003cstrong\u003eBently Nevada 991-05-70-01-01\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e991\u003c\/strong\u003e Thrust Transmitter, operates as a dedicated hardware component for axial displacement signal conditioning and 4-20 mA loop current output within machinery monitoring platforms.\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\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003e991-05-70-01-01\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eThrust Transmitters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Type\u003c\/td\u003e\n\u003ctd\u003eAxial displacement (thrust)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC loop current proportional to axial displacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntegrated Sensor\u003c\/td\u003e\n\u003ctd\u003eIntegrated Proximitor sensor for non-contact measurement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Compatibility\u003c\/td\u003e\n\u003ctd\u003eAccepts input from 3300 NSv proximity probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length\u003c\/td\u003e\n\u003ctd\u003e7.0 meters (5.0 m and 7.0 m options available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary Terminals\u003c\/td\u003e\n\u003ctd\u003eNon-isolated PROX OUT and COM terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C (-40 to 185 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eLoop-powered via output 4-20 mA measurement loop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eGap Voltage Validation (-10 VDC Targets) \u0026amp; Eddy-Current Probe Scaling\u003c\/h3\u003e\n\u003cp\u003eThe module conditions raw excitation signals received from a 3300 NSv non-contacting proximity probe across a tuned system length. Field commissioning requires gap voltage validation across the non-isolated PROX OUT and COM terminals to establish the baseline target at -10 VDC when the shaft rotor is centered in its axial float clearance. Precise eddy-current probe scaling converts minute axial target shifts into a proportional 4-20 mA loop signal for direct transmission to process monitors and PLC hardware.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the transmitter require a secondary external Proximitor Sensor unit to function?\u003c\/p\u003e\n\u003cp\u003eA: No, the module incorporates an integrated Proximitor sensor circuit directly within its compact housing, eliminating the requirement for separate external signal conditioning modules.\u003c\/p\u003e\n\u003cp\u003eQ: How can field engineers observe dynamic probe signals without disturbing loop wiring?\u003c\/p\u003e\n\u003cp\u003eA: Test connections can be made directly across the non-isolated PROX OUT and COM terminals to read the raw dynamic vibration waveform and static DC gap voltage using standard diagnostic tools.\u003c\/p\u003e\n\u003cp\u003eQ: What proximity probe series is compatible with this unit?\u003c\/p\u003e\n\u003cp\u003eA: The input signal interface is specifically calibrated for connection to a Bently Nevada 3300 NSv proximity probe and matching extension cable assembly.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the compact transmitter module securely inside a protective panel or junction box using standard mounting fasteners.\u003c\/li\u003e\n\u003cli\u003eConnect the 3300 NSv proximity probe extension cable coaxial connector to the transmitter input jack, securing the coupling finger-tight.\u003c\/li\u003e\n\u003cli\u003eValidate static DC gap voltage using a multimeter across the PROX OUT and COM terminals, adjusting mechanical probe depth until the -10 VDC target offset is obtained.\u003c\/li\u003e\n\u003cli\u003eWire the 2-wire loop terminals to the 24 VDC powered analog input channel of the control system.\u003c\/li\u003e\n\u003cli\u003eTerminate the overall cable shield to the cabinet earthing bus bar at a single ground point to eliminate ground loops and field interference.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":43825046749274,"sku":"991-05-70-01-01","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/991-05-70-01-01.png?v=1786436726","url":"https:\/\/www.spareoil.com\/products\/bently-nevada-991-05-70-01-01-991-thrust-transmitter","provider":"SpareOil Automation","version":"1.0","type":"link"}