{"product_id":"bently-nevada-990-05-70-03-05-990-vibration-transmitter","title":"Bently Nevada 990-05-70-03-05 990  Vibration Transmitter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e990 Vibration Transmitter\u003c\/strong\u003e is a two-wire, loop-powered vibration monitoring device designed for centrifugal air compressors, pumps, motors, and fans requiring a proportional 4 to 20 mA vibration output for machinery control systems. \u003cstrong\u003eBently Nevada\u003c\/strong\u003e developed this transmitter primarily for OEM machinery integration where continuous vibration trending and basic protection functions are required.\u003c\/p\u003e\n\u003cp\u003eThe transmitter accepts input from a 3300 NSv proximity probe and matching extension cable system. It conditions the probe signal into a peak-to-peak vibration amplitude signal and transmits a proportional 4 to 20 mA output to PLC, DCS, or other automation control systems.\u003c\/p\u003e\n\u003cp\u003eThe integrated Proximitor sensor design eliminates the need for an external proximitor module, simplifying installation in compact machinery areas with limited mounting clearance. The unit also provides a non-isolated PROX OUT signal for machinery diagnostics and waveform analysis.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e990-05-70-03-05\u003c\/strong\u003e configuration includes a 7.0 m transducer system length, DIN rail and screw mounting hardware, and hazardous area approvals suitable for Division 2 and ATEX installations.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated Proximitor sensor design\u003c\/li\u003e\n\u003cli\u003eTwo-wire loop-powered transmitter\u003c\/li\u003e\n\u003cli\u003e4 to 20 mA proportional vibration output\u003c\/li\u003e\n\u003cli\u003eCompatible with 3300 NSv proximity probe systems\u003c\/li\u003e\n\u003cli\u003eNon-isolated PROX OUT diagnostic signal\u003c\/li\u003e\n\u003cli\u003eExternal zero and span adjustments\u003c\/li\u003e\n\u003cli\u003eDIN rail clip and screw mounting support\u003c\/li\u003e\n\u003cli\u003eSignal defeat function during NOT OK conditions\u003c\/li\u003e\n\u003cli\u003eHigh humidity resistance up to 100% condensing\u003c\/li\u003e\n\u003cli\u003eCompact installation for centrifugal machinery applications\u003c\/li\u003e\n\u003cli\u003eFrequency response from 5 Hz to 6000 Hz\u003c\/li\u003e\n\u003cli\u003eCSA Division 2 and ATEX hazardous area approvals\u003c\/li\u003e\n\u003cli\u003eABS maritime approval included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentrifugal air compressors\u003c\/li\u003e\n\u003cli\u003eIndustrial pumps\u003c\/li\u003e\n\u003cli\u003eElectric motors\u003c\/li\u003e\n\u003cli\u003eProcess fans and blowers\u003c\/li\u003e\n\u003cli\u003eOEM rotating equipment packages\u003c\/li\u003e\n\u003cli\u003eGeneral machinery vibration monitoring\u003c\/li\u003e\n\u003cli\u003ePLC and DCS vibration trending systems\u003c\/li\u003e\n\u003cli\u003eSkid-mounted rotating equipment\u003c\/li\u003e\n\u003cli\u003eCompact machinery installations\u003c\/li\u003e\n\u003cli\u003eHazardous area vibration monitoring systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel Code\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e990\u003c\/td\u003e\n\u003ctd\u003eVibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-05\u003c\/td\u003e\n\u003ctd\u003e0-5 mils pp (0-125 um pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-70\u003c\/td\u003e\n\u003ctd\u003e7.0 metres (23.0 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-03\u003c\/td\u003e\n\u003ctd\u003eDIN clips and screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-05\u003c\/td\u003e\n\u003ctd\u003eCSA Division 2, ATEX Zone 0, ATEX Zone 2 and ABS maritime approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\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\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003e990-05-70-03-05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e990 Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eU.S.A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003e3300 NSv Proximity Probe and Extension Cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Output\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mAdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003e2-wire loop-powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoop Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-1.5% full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Loop Resistance\u003c\/td\u003e\n\u003ctd\u003e1000 Ohm at 35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Limiting\u003c\/td\u003e\n\u003ctd\u003e23 mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e5 Hz to 6000 Hz (+0, -3 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Gap Range\u003c\/td\u003e\n\u003ctd\u003e0.5 to 1.75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProx Out Output Impedance\u003c\/td\u003e\n\u003ctd\u003e10 kOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProx Out Linear Range\u003c\/td\u003e\n\u003ctd\u003e1.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncremental Scale Factor\u003c\/td\u003e\n\u003ctd\u003e7.87 mV\/um (200 mV\/mil) +\/-6.5% typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Stability\u003c\/td\u003e\n\u003ctd\u003eWithin +\/-10% from 0 degC to +70 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Target Size\u003c\/td\u003e\n\u003ctd\u003e9.5 mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Diagnostic Cable Length\u003c\/td\u003e\n\u003ctd\u003e3 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-35 degC to +85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-52 degC to +100 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Operating Temperature\u003c\/td\u003e\n\u003ctd\u003e-52 degC to +177 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Storage Temperature\u003c\/td\u003e\n\u003ctd\u003e-52 degC to +177 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e100% condensing, non-submerged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Tip Material\u003c\/td\u003e\n\u003ctd\u003ePolyphenylene sulfide (PPS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Case Material\u003c\/td\u003e\n\u003ctd\u003eAISI 303 or 304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Cable Type\u003c\/td\u003e\n\u003ctd\u003e75 Ohm coaxial FEP insulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptional Cable Armor\u003c\/td\u003e\n\u003ctd\u003eFlexible AISI 302 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Strength\u003c\/td\u003e\n\u003ctd\u003e222 N maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd\u003e53.3 mm x 73.9 mm x 100.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Height\u003c\/td\u003e\n\u003ctd\u003e42.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Distance\u003c\/td\u003e\n\u003ctd\u003e63.5 mm x 69.9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e5.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal System Weight\u003c\/td\u003e\n\u003ctd\u003e0.82 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConnector Pin\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePROX OUT\u003c\/td\u003e\n\u003ctd\u003eDynamic vibration and gap voltage output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM\u003c\/td\u003e\n\u003ctd\u003eCommon reference terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTEST Input\u003c\/td\u003e\n\u003ctd\u003eLoop signal verification input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4-20 mA Loop\u003c\/td\u003e\n\u003ctd\u003eProcess control system output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Input\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the transmitter in a dry industrial enclosure with proper grounding.\u003c\/li\u003e\n\u003cli\u003eMaintain probe gap between 0.5 mm and 1.75 mm during commissioning.\u003c\/li\u003e\n\u003cli\u003eUse shielded cable routing practices to minimize EMI and RFI interference.\u003c\/li\u003e\n\u003cli\u003eSeparate signal wiring from high-voltage motor cables.\u003c\/li\u003e\n\u003cli\u003eUse the supplied DIN clips or mounting screws for secure installation.\u003c\/li\u003e\n\u003cli\u003eProtect coaxial connectors from moisture ingress in high-humidity environments.\u003c\/li\u003e\n\u003cli\u003eUse the 122115-01 Test Adapter when connecting grounded AC-powered diagnostic equipment.\u003c\/li\u003e\n\u003cli\u003eVerify loop resistance does not exceed 1000 Ohm at 35 Vdc.\u003c\/li\u003e\n\u003cli\u003eAvoid excessive probe thread engagement beyond recommended limits.\u003c\/li\u003e\n\u003cli\u003eEnsure hazardous area installation follows applicable local electrical regulations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCertification\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCSA Division 2\u003c\/td\u003e\n\u003ctd\u003eHazardous area approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATEX Zone 0\u003c\/td\u003e\n\u003ctd\u003eHazardous area approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATEX Zone 2\u003c\/td\u003e\n\u003ctd\u003eHazardous area approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eABS\u003c\/td\u003e\n\u003ctd\u003eMaritime approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary function of the 990 transmitter?\u003c\/strong\u003e\u003cbr\u003eIt converts proximity probe vibration signals into a proportional 4 to 20 mA output for machinery monitoring systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich probe system is compatible with this transmitter?\u003c\/strong\u003e\u003cbr\u003eThe unit supports Bently Nevada 3300 NSv proximity probes and matching extension cables.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the transmitter provide dynamic vibration signals?\u003c\/strong\u003e\u003cbr\u003eYes. The PROX OUT connector provides a dynamic transducer signal for diagnostics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the transmitter loop powered?\u003c\/strong\u003e\u003cbr\u003eYes. It operates as a two-wire loop-powered device.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the supported frequency range?\u003c\/strong\u003e\u003cbr\u003eThe frequency response is 5 Hz to 6000 Hz.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this unit be used in hazardous areas?\u003c\/strong\u003e\u003cbr\u003eYes. This configuration includes CSA Division 2 and ATEX approvals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the transmitter require an external proximitor module?\u003c\/strong\u003e\u003cbr\u003eNo. The Proximitor sensor is integrated into the transmitter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the required supply voltage?\u003c\/strong\u003e\u003cbr\u003eThe operating supply range is +12 to +35 Vdc.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the NOT OK function operate?\u003c\/strong\u003e\u003cbr\u003eThe output drops below 3.6 mA when a probe fault or signal issue occurs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mounting methods are supported?\u003c\/strong\u003e\u003cbr\u003eThe unit supports DIN rail mounting and screw mounting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 4-20 mA signal be used for vibration phase analysis?\u003c\/strong\u003e\u003cbr\u003eNo. The analog output only provides peak-to-peak vibration trending data.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat diagnostic equipment requires the test adapter?\u003c\/strong\u003e\u003cbr\u003eGrounded AC-powered oscilloscopes and analyzers should use the 122115-01 Test Adapter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat humidity level can the transmitter withstand?\u003c\/strong\u003e\u003cbr\u003eThe transmitter supports 100% condensing humidity in non-submerged conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum diagnostic cable distance from PROX OUT?\u003c\/strong\u003e\u003cbr\u003eThe recommended maximum cable distance is 3 meters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the transmitter suitable for System 1 diagnostics?\u003c\/strong\u003e\u003cbr\u003eNo. It is intended for overall vibration trending rather than full dynamic diagnostic systems.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666565034347,"sku":"990-05-70-03-05","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-05-70-03-05-vibration-transmitter-0nsgqefekgz_4637d253-b08f-4483-96d0-74828a468430.jpg?v=1765440723","url":"https:\/\/www.plcprotech.com\/products\/bently-nevada-990-05-70-03-05-990-vibration-transmitter","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}