{"product_id":"bently-nevada-1800-20-12-90-02-00-seismic-vibration-transmitter","title":"Bently Nevada 1800\/20-12-90-02-00 Seismic Vibration Transmitter","description":"\u003ch2\u003eBently Nevada 1800\/20-12-90-02-00 Seismic Vibration Transmitter\u003c\/h2\u003e\n\u003cp\u003eConfigured for seismic vibration measurement in Bently Nevada 1800 Series machinery monitoring systems, the \u003cstrong\u003eBently Nevada 1800\/20-12-90-02-00\u003c\/strong\u003e (\u003cstrong\u003e1800\/20\u003c\/strong\u003e Seismic Vibration Transmitter) provides direct physical signal acquisition and 4-20 mA output processing for absolute bearing vibration monitoring.\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\/20-12-90-02-00\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\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\u003e300 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e120 x 80 x 60 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\u003e\u0026lt; 5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSeismic Vibration Transmitters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003e1800 Series Machinery Monitoring System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eSeismic Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Principle\u003c\/td\u003e\n\u003ctd\u003eVelocity sensing for absolute bearing vibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Output\u003c\/td\u003e\n\u003ctd\u003e4-20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eBently Nevada 1800 Series Machinery Monitoring System; industrial condition monitoring systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Method\u003c\/td\u003e\n\u003ctd\u003eField-mounted installation on machinery housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eRotor Dynamics and Seismic Vibration Signal Processing\u003c\/h3\u003e\n\u003cp\u003eThe Bently Nevada 1800\/20-12-90-02-00 Seismic Vibration Transmitter measures absolute bearing vibration through velocity sensing technology. The transmitter converts mechanical vibration response from the machine housing into a proportional 4-20 mA output signal for connection to PLC and DCS monitoring systems.\u003c\/p\u003e\n\u003cp\u003eThe module supports rotor dynamics analysis by providing continuous vibration measurement data from rotating equipment structures. The signal processing path is configured for machinery condition monitoring applications involving pumps, motors, compressors, and similar rotating assets.\u003c\/p\u003e\n\u003cp\u003eThe transmitter installation requires correct mechanical coupling between the sensor housing and monitored equipment. Proper mounting surface preparation, cable routing, and grounding practices are required to maintain vibration signal integrity.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: What vibration parameter does the 1800\/20-12-90-02-00 measure?\u003cbr\u003eA: The transmitter measures absolute bearing vibration using velocity sensing technology.\u003c\/p\u003e\n\u003cp\u003eQ: What output signal is provided for control system integration?\u003cbr\u003eA: The unit provides a 4-20 mA analog output suitable for PLC and DCS integration.\u003c\/p\u003e\n\u003cp\u003eQ: Where is the transmitter installed during operation?\u003cbr\u003eA: The transmitter is installed directly on the machinery housing for seismic vibration measurement.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the transmitter on a clean, rigid machinery mounting surface to maintain direct mechanical vibration transfer. Ensure the mounting location represents the monitored bearing or machine housing vibration condition.\u003c\/p\u003e\n\u003cp\u003eRoute signal cables away from high-current conductors, variable frequency drive cables, and electromagnetic interference sources. Secure cables to prevent mechanical movement and connector stress.\u003c\/p\u003e\n\u003cp\u003eVerify mounting integrity, loop wiring polarity, output scaling, and PLC\/DCS input configuration before commissioning the vibration monitoring channel.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #e74c3c;\"\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style=\"font-family: Arial,Helvetica,sans-serif;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44345486344291,"sku":null,"price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/1800-20-12-90-02-00-2.jpg?v=1783648747","url":"https:\/\/precisemodule.com\/products\/bently-nevada-1800-20-12-90-02-00-seismic-vibration-transmitter","provider":"Precise Module Ltd.","version":"1.0","type":"link"}