{"product_id":"bently-nevada-990-05-50-03-05-990-vibration-transmitter","title":"Bently Nevada 990-05-50-03-05 990 Vibration Transmitter","description":"\u003cp\u003eThe \u003cstrong\u003eBently Nevada 990-05-50-03-05\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e990\u003c\/strong\u003e Vibration Transmitter, operates as a dedicated hardware component for proximity probe signal conditioning and 4-20 mA current loop conversion within machinery protection networks.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOption Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eOption Description\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eTechnical Definition\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e990\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003e2-Wire Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-05\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull-scale Option\u003c\/td\u003e\n\u003ctd\u003e0-5 mils pp (0-125 um pp) relative vibration amplitude range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-50\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem Length Option\u003c\/td\u003e\n\u003ctd\u003e5.0 meters (16.4 feet) total system length matching probe and cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-03\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMounting Option\u003c\/td\u003e\n\u003ctd\u003eDIN clips and screws integrated for mounting flexibility\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-05\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAgency Approval Option\u003c\/td\u003e\n\u003ctd\u003eCSA Division 2, ATEX Zone 0, ATEX Zone 2, and ABS maritime approvals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003e990-05-50-03-05\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eVibration Transmitters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Device\u003c\/td\u003e\n\u003ctd\u003eAccepts input from 3300 NSv non-contacting proximity probe and extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Output\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC proportional to relative vibration amplitude\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-Scale Range\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\u003eSystem Length\u003c\/td\u003e\n\u003ctd\u003e5.0 meters (16.4 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Interface\u003c\/td\u003e\n\u003ctd\u003eDIN rail clips and surface mounting screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Rating\u003c\/td\u003e\n\u003ctd\u003ePotted construction for high humidity environments (up to 100% condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Approvals\u003c\/td\u003e\n\u003ctd\u003eCSA Division 2, ATEX Zone 0, ATEX Zone 2, ABS maritime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard 990 field transmitter temperature rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eLoop-powered via output 4-20 mA loop circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eGap Voltage Validation (-10 VDC Targets) \u0026amp; Eddy-Current Probe Scaling\u003c\/h3\u003e\n\u003cp\u003eThe transmitter interfaces directly with a 3300 NSv proximity probe to condition high-frequency eddy-current signals across a calibrated 5.0-meter path. Correct installation requires gap voltage validation via the non-isolated PROX OUT and COM terminals, ensuring a static bias voltage target of -10 VDC at the physical center of the probe linear range. Precise eddy-current probe scaling converts dynamic gap variations caused by shaft motion into an accurate 4-20 mA output signal without loss of amplitude accuracy or phase alignment.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How is signal verification performed on this transmitter without disconnecting field wiring?\u003c\/p\u003e\n\u003cp\u003eA: The module incorporates a dedicated test input pin alongside non-isolated PROX OUT and COM terminals, allowing technicians to verify loop current output and monitor raw gap voltage using standard test equipment.\u003c\/p\u003e\n\u003cp\u003eQ: Can this unit withstand high-humidity field environments?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the unit features fully potted internal construction designed to withstand extreme moisture conditions up to 100% condensing humidity.\u003c\/p\u003e\n\u003cp\u003eQ: Is an external Proximitor Sensor required to operate the 3300 NSv probe with this transmitter?\u003c\/p\u003e\n\u003cp\u003eA: No, the transmitter contains an integrated Proximitor Sensor circuit within its potted enclosure, processing raw probe signals directly without secondary external signal conditioners.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the transmitter module onto a 35 mm DIN rail using the integrated clips, or secure it directly to a backplate using the mounting screws.\u003c\/li\u003e\n\u003cli\u003eThread the 3300 NSv proximity probe extension cable onto the coaxial input jack on the transmitter, tightening hand-tight to secure the connection.\u003c\/li\u003e\n\u003cli\u003eConnect a multimeter to the non-isolated PROX OUT and COM terminals, adjusting mechanical probe depth until a static gap voltage of -10 VDC is established.\u003c\/li\u003e\n\u003cli\u003eRoute two-wire shielded cable from the 4-20 mA output terminals to the control system analog input channel.\u003c\/li\u003e\n\u003cli\u003eGround the cable drain wire at a single point on the cabinet grounding bus bar to prevent ground loops and protect against electrical interference.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":43825037115482,"sku":"990-05-50-03-05","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/990-05-70-01-011_0dd268d1-3a80-4315-9ddc-a844b05e6ab6.png?v=1786435715","url":"https:\/\/www.spareoil.com\/products\/bently-nevada-990-05-50-03-05-990-vibration-transmitter","provider":"SpareOil Automation","version":"1.0","type":"link"}