{"product_id":"bently-nevada-991-25-70-01-01-thrust-transmitter","title":"Bently Nevada 991-25-70-01-01 Thrust Transmitter","description":"\u003ch2\u003eBently Nevada 991-25-70-01-01 Thrust Transmitter\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 991-25-70-01-01\u003c\/strong\u003e serves as the primary \u003cstrong\u003e991\u003c\/strong\u003e Thrust Transmitter utilized to execute axial position measurement and 4-20 mA signal conversion across Bently Nevada machinery monitoring platforms. This loop-powered transmitter interfaces with 3300 NSv proximity probe systems, converting non-contact eddy-current sensor signals into process control compatible current outputs for thrust position supervision.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e991:\u003c\/strong\u003e Thrust Transmitter series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-25:\u003c\/strong\u003e Full-scale range option, 25-0-25 mils\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-70:\u003c\/strong\u003e System length option, 7.0 m total transducer system length, compatible with 3300 NSv probe and extension cable assemblies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-01:\u003c\/strong\u003e 35 mm DIN-rail clip mounting option\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-01:\u003c\/strong\u003e Additional configuration \/ option code\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\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\u003e991-25-70-01-01\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\u003e2-wire Loop-Powered Thrust Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal\u003c\/td\u003e\n\u003ctd\u003e3300 NSv Proximity Probe System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e4-20 mA Analog Current Loop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Range\u003c\/td\u003e\n\u003ctd\u003e25-0-25 mils\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length\u003c\/td\u003e\n\u003ctd\u003e7.0 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e12 to 35 VDC\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\u003eHumidity Resistance\u003c\/td\u003e\n\u003ctd\u003e100% Relative Humidity, Condensing Environment Tolerant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eFully Potted Design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Access\u003c\/td\u003e\n\u003ctd\u003ePROX OUT\/COM Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdjustment Method\u003c\/td\u003e\n\u003ctd\u003eNon-Interactive Zero and Span Adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Protection\u003c\/td\u003e\n\u003ctd\u003ePower-Up Inhibit and Signal Defeat Functions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN Rail Clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eNot specified in available manufacturer data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eNot specified in available manufacturer data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eLoop-powered, current consumption not separately specified\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 Gap Voltage Validation\u003c\/h3\u003e\n\u003cp\u003eThe 991 transmitter is designed for operation with Bently Nevada 3300 NSv eddy-current probe systems. Proper thrust measurement performance depends on probe scaling consistency and verification of the probe-target gap condition during commissioning.\u003c\/p\u003e\n\u003cp\u003eFor axial position applications, gap voltage validation is typically performed through the PROX OUT diagnostic connection to confirm that the probe operates within its calibrated linear measurement zone. Verification of probe extension cable length and total system length is required because transducer scaling is matched to the specified 7.0 m system configuration.\u003c\/p\u003e\n\u003cp\u003eThe transmitter converts the conditioned displacement signal into a proportional 4-20 mA output while maintaining compatibility with vibration monitoring, protection, and process control interfaces.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the 991-25-70-01-01 operate directly from a 4-20 mA control loop?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The device is a 2-wire loop-powered transmitter designed to obtain operating power from the associated current loop supply.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the transmitter compatible with proximity probes other than the 3300 NSv system?\u003c\/strong\u003e\u003cbr\u003eA: The specified configuration is intended for operation with Bently Nevada 3300 NSv proximity probe and extension cable assemblies matched to the designated system length.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the transmitter provide diagnostic access to the probe signal?\u003c\/strong\u003e\u003cbr\u003eA: Yes. PROX OUT\/COM terminals are provided for observation and verification of the proximity transducer signal during setup and troubleshooting activities.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the transmitter on a properly grounded 35 mm DIN rail.\u003c\/li\u003e\n\u003cli\u003eVerify probe, extension cable, and transmitter system length compatibility before energizing the loop.\u003c\/li\u003e\n\u003cli\u003eRoute probe cables separately from high-voltage conductors and variable frequency drive output wiring.\u003c\/li\u003e\n\u003cli\u003eMaintain cable shield continuity according to plant grounding practices and avoid multiple shield termination points unless required by site standards.\u003c\/li\u003e\n\u003cli\u003eConfirm acceptable probe gap voltage prior to final calibration and process startup.\u003c\/li\u003e\n\u003cli\u003eUse twisted-pair instrument cable for the 4-20 mA loop where electrical noise is present.\u003c\/li\u003e\n\u003cli\u003eProtect the installation from mechanical stress on probe extension cable connectors.\u003c\/li\u003e\n\u003cli\u003eVerify loop supply voltage remains within the specified 12 to 35 VDC operating range under full load conditions.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":42835604308227,"sku":"991-25-70-01-01","price":650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/7995\/4179\/products\/8432d30de114ed9b79b68638c9195516.jpg?v=1653019266","url":"https:\/\/www.runtoelectronic.com\/products\/bently-nevada-991-25-70-01-01-thrust-transmitter","provider":"Runto Electric","version":"1.0","type":"link"}