{"product_id":"284398-01-991-thrust-transmitter-bently-nevada","title":"284398-01 991 | Thrust Transmitter | Bently Nevada","description":"\u003ch2\u003eBently Nevada 284398-01 991 Thrust Transmitter\u003c\/h2\u003e\n\u003cp\u003eConfigured for axial displacement signal conversion in Bently Nevada machinery monitoring systems, the \u003cstrong\u003eBently Nevada 284398-01\u003c\/strong\u003e (\u003cstrong\u003e284398-01\u003c\/strong\u003e 991 Thrust Transmitter) provides direct physical\/electrical execution between 3300 NSv proximity probe inputs and 4-20 mA output loops.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable style=\"width: 100.076%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 36.8916%;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"width: 62.7607%;\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 36.8916%;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"width: 62.7607%;\"\u003e284398-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 36.8916%;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"width: 62.7607%;\"\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 36.8916%;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"width: 62.7607%;\"\u003e991 Thrust Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 36.8916%;\"\u003eSeries\u003c\/td\u003e\n\u003ctd style=\"width: 62.7607%;\"\u003e991 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 36.8916%;\"\u003eOrigin\u003c\/td\u003e\n\u003ctd style=\"width: 62.7607%;\"\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 36.8916%;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"width: 62.7607%;\"\u003e0.22 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 36.8916%;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"width: 62.7607%;\"\u003e88 mm x 35 mm x 70 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 36.8916%;\"\u003eOperating Temp\u003c\/td\u003e\n\u003ctd style=\"width: 62.7607%;\"\u003e-40 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 36.8916%;\"\u003ePower Consumption\u003c\/td\u003e\n\u003ctd style=\"width: 62.7607%;\"\u003eLoop powered, 18 to 30 VDC supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 36.8916%;\"\u003eInput Signal\u003c\/td\u003e\n\u003ctd style=\"width: 62.7607%;\"\u003e3300 NSv eddy-current proximity probe signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 36.8916%;\"\u003eOutput Signal\u003c\/td\u003e\n\u003ctd style=\"width: 62.7607%;\"\u003e4-20 mA proportional axial displacement output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 36.8916%;\"\u003eMeasurement Range\u003c\/td\u003e\n\u003ctd style=\"width: 62.7607%;\"\u003eApproximately +\/- 1.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 36.8916%;\"\u003eAccuracy\u003c\/td\u003e\n\u003ctd style=\"width: 62.7607%;\"\u003e+\/- 0.5% full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 36.8916%;\"\u003eProbe System Compatibility\u003c\/td\u003e\n\u003ctd style=\"width: 62.7607%;\"\u003e5 m or 7 m probe extension system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 36.8916%;\"\u003eSignal Interface\u003c\/td\u003e\n\u003ctd style=\"width: 62.7607%;\"\u003eTwo-wire loop powered transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 36.8916%;\"\u003eHousing Protection\u003c\/td\u003e\n\u003ctd style=\"width: 62.7607%;\"\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 36.8916%;\"\u003eMounting Type\u003c\/td\u003e\n\u003ctd style=\"width: 62.7607%;\"\u003eIndustrial field mounting\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 Position Measurement\u003c\/h3\u003e\n\u003cp\u003eThe 284398-01 transmitter processes eddy-current probe displacement signals and converts probe gap variations into a proportional 4-20 mA axial position signal. The input circuit maintains scaling between the 3300 NSv proximity probe system and the connected monitoring or control equipment.\u003c\/p\u003e\n\u003cp\u003eThe transmitter operation depends on correct probe calibration and gap voltage validation. Bently Nevada proximity measurement systems typically use -10 VDC target gap voltage references for probe operating point verification. Proper gap setting allows accurate rotor thrust position measurement and reduces measurement deviation caused by incorrect probe installation.\u003c\/p\u003e\n\u003cp\u003eThe unit supports machinery condition monitoring applications where rotor dynamics and axial movement data are required. The signal conversion path provides compatibility with PLC, DCS, and machinery protection interfaces using standard analog current loops.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of sensor input does the 284398-01 accept?\u003c\/strong\u003e\u003cbr\u003eA: The transmitter accepts input signals from Bently Nevada 3300 NSv eddy-current proximity probe systems for axial displacement measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What electrical output is provided by the transmitter?\u003c\/strong\u003e\u003cbr\u003eA: The unit provides a two-wire loop powered 4-20 mA output proportional to measured thrust position.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What installation factor affects measurement accuracy?\u003c\/strong\u003e\u003cbr\u003eA: Correct probe gap adjustment, cable configuration, and signal wiring practices affect axial position measurement performance.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the transmitter according to the specified environmental limits and mechanical mounting requirements.\u003c\/li\u003e\n\u003cli\u003eVerify the proximity probe gap voltage before commissioning the measurement loop.\u003c\/li\u003e\n\u003cli\u003eUse shielded signal wiring and maintain proper cable separation from high-voltage power conductors.\u003c\/li\u003e\n\u003cli\u003eConfirm compatibility between the 3300 NSv probe, extension cable length, and transmitter configuration.\u003c\/li\u003e\n\u003cli\u003eConnect the 4-20 mA loop with correct polarity and verify the receiving PLC or DCS analog input scaling.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44356918607960,"sku":"284398-01","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/284398-01-2.jpg?v=1783667602","url":"https:\/\/www.industriaxplc.com\/id\/products\/284398-01-991-thrust-transmitter-bently-nevada","provider":"IndustriaX Limited","version":"1.0","type":"link"}