{"product_id":"bently-nevada-990-08-xx-01-cn-vibration-transmitter","title":"Bently Nevada 990-08-XX-01-CN Vibration Transmitter","description":"\u003cdiv style=\"box-sizing: content-box; margin: 0px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); touch-action: manipulation;\"\u003e\n\u003ch1\u003eBently Nevada 990-08-XX-01-CN Vibration Transmitter\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eBently Nevada 990-08-XX-01-CN\u003c\/strong\u003e is an integrated vibration transmitter designed for continuous shaft vibration monitoring on rotating machinery. The unit combines proximity sensing signal conditioning and transmitter functions within a single device, eliminating the need for a separate external Proximitor. It converts shaft vibration measurements into a standard 4-20 mA output while also providing access to raw dynamic vibration signals for diagnostic analysis.\u003c\/p\u003e\n\u003ch3\u003eMeasurement and Signal Conversion\u003c\/h3\u003e\n\u003cp\u003eThe 990 Vibration Transmitter is used with a proximity probe system to monitor relative shaft vibration. The transmitter processes the probe signal and generates a linear 4-20 mA output proportional to the measured vibration level.\u003c\/p\u003e\n\u003cp\u003eFor the \u003cstrong\u003e08\u003c\/strong\u003e range option, the transmitter is configured for \u003cstrong\u003e0-8 mils peak-to-peak\u003c\/strong\u003e vibration measurement. The output current scales linearly across this measurement range, enabling direct connection to PLC, DCS, SCADA, and machinery monitoring systems.\u003c\/p\u003e\n\u003ch3\u003eIntegrated Proximitor Function\u003c\/h3\u003e\n\u003cp\u003eUnlike traditional proximity probe installations that require a separate Proximitor module, the 990 transmitter incorporates signal conditioning electronics within the transmitter assembly.\u003c\/p\u003e\n\u003cp\u003eThis integrated architecture reduces panel space requirements and simplifies installation while maintaining compatibility with proximity probe based shaft vibration measurements.\u003c\/p\u003e\n\u003ch3\u003eDiagnostic Access\u003c\/h3\u003e\n\u003cp\u003eThe front panel provides non-isolated \u003cstrong\u003ePROX OUT\u003c\/strong\u003e and \u003cstrong\u003eCOM\u003c\/strong\u003e terminals that expose the dynamic vibration signal and shaft gap voltage.\u003c\/p\u003e\n\u003cp\u003eThese diagnostic points allow maintenance personnel to connect portable vibration analyzers, data collectors, or diagnostic instruments without interrupting the 4-20 mA monitoring loop. Access to the raw vibration waveform can assist with machinery condition analysis and troubleshooting activities.\u003c\/p\u003e\n\u003ch3\u003eLoop Testing and Maintenance\u003c\/h3\u003e\n\u003cp\u003eA dedicated test input function allows simulation of input signals for loop verification. Maintenance personnel can inject a known test signal and confirm correct transmitter response without requiring actual shaft vibration changes.\u003c\/p\u003e\n\u003cp\u003eThis feature supports commissioning activities and periodic verification of the complete measurement loop, including field wiring and receiving control system inputs.\u003c\/p\u003e\n\u003ch3\u003eSignal Integrity Protection\u003c\/h3\u003e\n\u003cp\u003eThe transmitter incorporates protective circuitry to prevent nuisance indications and invalid outputs during abnormal conditions.\u003c\/p\u003e\n\u003cp\u003eKey protection functions include:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003ePower-up inhibit circuitry to suppress transient outputs during startup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSignal defeat (Not OK) functionality to prevent misleading output conditions when probe or cable faults occur.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProtection against false alarms caused by sensor connection interruptions or abnormal probe conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eModel Code Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe ordering code identifies important configuration selections for the transmitter.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e990\u003c\/strong\u003e: Vibration Transmitter with integrated Proximitor functionality.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e08\u003c\/strong\u003e: 0-8 mils peak-to-peak full-scale vibration range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eXX\u003c\/strong\u003e: System length option, typically selected as 5.0 m, 7.0 m, or 9.0 m proximity probe system length.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e01\u003c\/strong\u003e: 35 mm DIN rail clip mounting configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCN\u003c\/strong\u003e: Chinese local certification option.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"___1vyiefv f1ddd56o f16vktn6 f1ahpp82 f11qra4b f1uinfot fibjyge fvueend f9yszdx f1fu4s3n f3l3pb3 f10ghnd0 f8fmt76 fjvbh62 f1qrqxae f1vw5qpk fc02sbz fxawf59 fymf513 f1aoyrul f1el8yx3 f1pymoxg f1ofu761 fe6itr f7coize f1794535 f1o0pw0q fbjjl9v fk1v6el f16pyhcb f1ixlhx9 f12zef0i flu5r5u f19haqzy f1owmcxx f1oddm8q f1004tna fcoaxci fh0ee9u f15v23i2 f1dmj53 f1r1gcv9 f14z1veh ffufd3x f1ypplot f1660cg\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e990-08-XX-01-CN\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\u003eVibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Type\u003c\/td\u003e\n\u003ctd\u003eShaft Relative Vibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Principle\u003c\/td\u003e\n\u003ctd\u003eProximity Probe Based Monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-Scale Range\u003c\/td\u003e\n\u003ctd\u003e0-8 mils Peak-to-Peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Output\u003c\/td\u003e\n\u003ctd\u003e4-20 mA Linear Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Outputs\u003c\/td\u003e\n\u003ctd\u003ePROX OUT, COM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTest Function\u003c\/td\u003e\n\u003ctd\u003eDedicated Loop Test Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntegrated Signal Conditioner\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN Rail Clip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length Option\u003c\/td\u003e\n\u003ctd\u003eXX (5.0 m, 7.0 m, or 9.0 m Configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification Option\u003c\/td\u003e\n\u003ctd\u003eCN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eConfiguration Considerations\u003c\/h3\u003e\n\u003cp\u003eThe system length option must match the selected proximity probe system. Probe, extension cable, and transmitter should be configured as a complete calibrated system to maintain specified measurement performance.\u003c\/p\u003e\n\u003cp\u003eThe CN suffix identifies a Chinese certification configuration. Specific approval details should be verified from the unit nameplate or associated certification documentation supplied with the transmitter.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What vibration range does the 990-08-XX-01-CN measure?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The 08 range option corresponds to a full-scale measurement range of 0-8 mils peak-to-peak vibration. The 4-20 mA output is scaled across this range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the purpose of the PROX OUT terminal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: PROX OUT provides access to the dynamic vibration signal and associated gap voltage, allowing diagnostic instruments to analyze shaft vibration without disturbing the process output signal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this transmitter require a separate Proximitor module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No. The 990 transmitter integrates the signal conditioning electronics normally provided by a separate Proximitor, reducing installation complexity and panel space requirements.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44271286223107,"sku":"990-08-XX-01-CN","price":288.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/7995\/4179\/files\/58f0b4d18f8174f245ffe3a516308f5e_1c7f8e8d-03e1-4f0f-95cc-f461e0538ae4.jpg?v=1697012111","url":"https:\/\/www.runtoelectronic.com\/products\/bently-nevada-990-08-xx-01-cn-vibration-transmitter","provider":"Runto Electric","version":"1.0","type":"link"}