{"product_id":"990-10-50-02-00-transmitter-bently-nevada-990-vibration-monitoring-module","title":"990-10-50-02-00 Transmitter Bently Nevada 990 Vibration Monitoring Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eGlobal PLC Spare HUB's Insight: Industrial machinery monitoring requires converting raw proximity probe signals into reliable 4-20 mA control loops without complex rack systems. The \u003cb\u003eBently Nevada\u003c\/b\u003e \u003cb\u003e990-10-50-02-00\u003c\/b\u003e from the robust \u003cb\u003e990\u003c\/b\u003e series provides a compact, field-mounted solution for continuous casing and shaft vibration tracking. Based on our practical engineering experience, this standalone vibration transmitter eliminates the need for full-rack monitors on smaller balance-of-plant equipment, directly integrating with standard PLC or DCS analog input cards while maintaining high signal fidelity.\u003c\/p\u003e\n\u003ch3\u003ePart Configuration Breakdown\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e990\u003c\/b\u003e - Base Model: \u003cb\u003e990 Vibration Transmitter\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFull-scale Option\u003c\/b\u003e: \u003cb\u003e10\u003c\/b\u003e = 0-10 mils pp (0-250 μm pp) range configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSystem Length Option\u003c\/b\u003e: \u003cb\u003e50\u003c\/b\u003e = 5.0 meters (16.4 feet) total system length\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMounting Option\u003c\/b\u003e: \u003cb\u003e02\u003c\/b\u003e = Bulkhead screws for secure mechanical installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAgency Approval Option\u003c\/b\u003e: \u003cb\u003e00\u003c\/b\u003e = Not required \/ Standard commercial tier\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth style=\"text-align: left;\"\u003eParameter Metric\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eOperating Value\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eBrand\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eBently Nevada\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eModel \/ Part Number\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003e990-10-50-02-00\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSeries \/ Type\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cb\u003e990\u003c\/b\u003e \/ \u003cb\u003eVibration Transmitter\u003c\/b\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Compatibility\u003c\/td\u003e\n\u003ctd\u003e1 non-contacting 3300 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 input at transmitter terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Output\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mAdc (2-wire configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoop Accuracy\u003c\/td\u003e\n\u003ctd\u003eWithin ±1.5% over specified full-scale range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e5 Hz to 6,000 Hz (+0, -3 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Loop Resistance\u003c\/td\u003e\n\u003ctd\u003e1,000 Ω including cable at 35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg (0.9 lbm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSupply Chain and Commercial Terms\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCondition: Brand new and original in factory packaging.\u003c\/li\u003e\n\u003cli\u003eFactory Warranty: Comprehensive 12-month coverage.\u003c\/li\u003e\n\u003cli\u003eShipping Carriers: FedEx, UPS, DHL.\u003c\/li\u003e\n\u003cli\u003eFulfillment Window: Fast dispatch within 24 to 48 hours of order clearance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTarget Equipment and Application Scenarios\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBalance-of-plant centrifugal pumps and auxiliary motor drives.\u003c\/li\u003e\n\u003cli\u003eCompact industrial air compressors and small blower systems.\u003c\/li\u003e\n\u003cli\u003eIndustrial gearboxes requiring direct 4-20 mA loop vibration feedback.\u003c\/li\u003e\n\u003cli\u003eSkid-mounted package units where rack space is restricted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDiagnostic Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDelivers rapid Not OK signal defeat (under 3.6 mA within 100 μs) during sensor open-circuit faults.\u003c\/li\u003e\n\u003cli\u003eTracks broad frequency vibrations from 5 Hz to 6 kHz for early fault identification.\u003c\/li\u003e\n\u003cli\u003eProvides local BNC connector access for temporary diagnostic data collection up to 3 meters.\u003c\/li\u003e\n\u003cli\u003eFacilitates precise non-interacting external zero and span calibration adjustments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eWhy does the 990-10-50-02-00 require specific probe gap spacing between 0.5 and 1.75 mm?\u003c\/b\u003e\u003cbr\u003eMaintaining the target gap within 20 to 55 mils ensures the linear output curve matches the 0-10 mils full-scale range without clipping the 4-20 mA loop output.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHow does the Not OK signal defeat function protect control systems?\u003c\/b\u003e\u003cbr\u003eIf a probe or cable fault occurs, the transmitter drops output current below 3.6 mA within 100 microseconds, alerting the DCS to ignore invalid process data instantly.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWhat is the maximum allowable cable length for the BNC test output?\u003c\/b\u003e\u003cbr\u003eThe BNC connector supports diagnostic leadwire lengths up to 3 meters (10 feet) for temporary data collectors without introducing heavy signal attenuation.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCan technicians adjust zero and span settings independently?\u003c\/b\u003e\u003cbr\u003eYes, the transmitter features non-interacting external adjustments, allowing field engineers to fine-tune calibration without affecting the cross-parameter scaling.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWhy is loop resistance limitation critical when powering via +35 Vdc?\u003c\/b\u003e\u003cbr\u003eThe total loop impedance must not exceed 1,000 ohms to guarantee sufficient voltage drop across the transmitter terminals for stable 2-wire loop operation.\u003c\/p\u003e\n\u003ch3\u003eSelection Guide and Technical Comparison\u003c\/h3\u003e\n\u003cp\u003eChoosing the correct full-scale option depends on the expected vibration displacement amplitude of your machinery. Compare the \u003cb\u003eBently Nevada\u003c\/b\u003e \u003cb\u003e990-10-50-02-00\u003c\/b\u003e with alternative configurations to match your monitoring requirements.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.plcsparehub.com\/products\/990-08-50-02-cn-bently-nevada-vibration-transmitter-0-8-mils-range\"\u003e990-08-50-02-CN\u003c\/a\u003e: Features a 0-8 mils pp range configuration with Chinese certification markings, suitable for installations requiring strict local compliance metrics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/990_Graphs_and_Figures_8ba4a14f-832f-4772-a484-c09fd48b12f9.png?v=1784875470\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45013971861686,"sku":"990-10-50-02-00","price":185.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/BentlyNevada990_2_fd7825a2-b791-4b2a-b63f-22c84d270d02.jpg?v=1785312300","url":"https:\/\/www.plcsparehub.com\/products\/990-10-50-02-00-transmitter-bently-nevada-990-vibration-monitoring-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}