{"product_id":"bently-nevada-1800-20-xx-90-02-00-thrust-position-proximity-transmitter","title":"Bently Nevada 1800\/20-XX-90-02-00 Thrust Position Proximity Transmitter","description":"\u003ch2\u003eBently Nevada 1800\/20-XX-90-02-00 Thrust Position Proximity Transmitter\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 1800\/20-XX-90-02-00\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1800\/20\u003c\/strong\u003e Thrust Position Proximity Transmitter, operates as a dedicated hardware component for converting eddy-current probe signals into 4-20 mA position monitoring outputs within machinery protection 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\u003e1800\/20-XX-90-02-00\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eThrust Position \/ Proximity 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\u003eApprox. 0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 75 mm x 115 mm x 100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 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\u003e24 VDC supply input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Type\u003c\/td\u003e\n\u003ctd\u003eAxial displacement \/ proximity position monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensing Technology\u003c\/td\u003e\n\u003ctd\u003eEddy-current non-contact measurement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Interface\u003c\/td\u003e\n\u003ctd\u003eProximity probe and extension cable connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Output\u003c\/td\u003e\n\u003ctd\u003e4-20 mA current loop output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.5% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e+\/-0.2% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Load Resistance\u003c\/td\u003e\n\u003ctd\u003e750 ohms at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eDIN rail or panel mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Rating\u003c\/td\u003e\n\u003ctd\u003eUp to 93% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, UL, CSA depending on configuration\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 Monitoring\u003c\/h3\u003e\n\u003cp\u003eThe 1800\/20 transmitter processes displacement signals generated by eddy-current proximity probes and converts probe voltage characteristics into proportional engineering outputs. The signal chain is configured around probe gap measurement, linearization, and 4-20 mA transmission for thrust position monitoring.\u003c\/p\u003e\n\u003cp\u003eDuring installation, the probe gap voltage is commonly validated against Bently Nevada measurement practices, including verification of approximately -10 VDC target gap conditions for compatible eddy-current systems. Correct scaling between probe output voltage and mechanical position is required for accurate rotor axial movement analysis.\u003c\/p\u003e\n\u003cp\u003eThe transmitter architecture supports monitoring of rotor dynamics parameters where axial shaft movement, thrust bearing position, and mechanical displacement trends are evaluated through continuous analog measurement.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What type of sensor input does the 1800\/20 transmitter accept?\u003cbr\u003eA: The unit accepts signals from compatible eddy-current proximity probes and extension cable assemblies used for non-contact displacement measurement.\u003c\/p\u003e\n\u003cp\u003eQ: Does the 1800\/20 require a Bently Nevada monitor rack for operation?\u003cbr\u003eA: The transmitter provides a direct 4-20 mA output signal, allowing connection to PLC, DCS, or other analog input systems without requiring a separate monitor rack.\u003c\/p\u003e\n\u003cp\u003eQ: What installation factors affect measurement accuracy?\u003cbr\u003eA: Probe mounting position, cable routing, electromagnetic interference, probe gap setting, and proper signal grounding affect measurement accuracy.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the transmitter in a location protected from excessive vibration, moisture, and contamination.\u003c\/li\u003e\n\u003cli\u003eConnect the eddy-current probe and extension cable according to the approved wiring configuration.\u003c\/li\u003e\n\u003cli\u003eMaintain separation between sensor signal wiring and high-voltage power cables to reduce electrical interference.\u003c\/li\u003e\n\u003cli\u003eApply proper shield termination and grounding practices according to plant instrumentation standards.\u003c\/li\u003e\n\u003cli\u003eVerify probe gap voltage and transmitter output scaling before placing the monitoring loop into service.\u003c\/li\u003e\n\u003cli\u003eConfirm the 4-20 mA loop signal corresponds with the expected mechanical displacement range.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44341241217112,"sku":"1800\/20-XX-90-02-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/180020-XX-90-02-00-3.jpg?v=1783415775","url":"https:\/\/www.industriaxplc.com\/ar\/products\/bently-nevada-1800-20-xx-90-02-00-thrust-position-proximity-transmitter","provider":"IndustriaX Limited","version":"1.0","type":"link"}