{"product_id":"990-08-50-02-cn-bently-nevada-vibration-transmitter-0-8-mils-range","title":"990-08-50-02-CN Bently Nevada Vibration Transmitter 0-8 Mils Range","description":"\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eInstrument engineers deploying machinery protection loops often balance loop resistance constraints with long cable runs. The \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e990-08-50-02-CN\u003c\/span\u003e\u003c\/strong\u003e transmitter integrates signal processing locally at the skids, converting proximity probe gaps directly into a 4-20 mA current loop. For example, on remote centrifugal compressors, mounting this unit on bulkhead brackets near the casing minimizes high-frequency noise pickup before signals travel back to the central control room.\u003c\/p\u003e\n\u003ch3\u003eProduct Overview and Technical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eBently Nevada\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e990-08-50-02-CN\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e990 Vibration Transmitter Series\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Parameters:\u003c\/strong\u003e Accepts 1 non-contacting 3300 NSv Proximity Probe and matching extension cable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Requirements:\u003c\/strong\u003e +12 to +35 Vdc input at transmitter terminal; 28 V for hazardous locations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Output:\u003c\/strong\u003e 4 to 20 mAdc over specified full-scale range in 2-wire configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoop Accuracy:\u003c\/strong\u003e Within ±1.5% over full-scale range measured across a 250 ohm loop resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 5 Hz to 6,000 Hz (+0, -3 dB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoop Limits:\u003c\/strong\u003e Maximum 1,000 ohm loop resistance at 35 Vdc; 23 mA typical current limiting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFault Handling:\u003c\/strong\u003e Drops below 3.6 mA within 100 microseconds during a Not OK condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConfiguration Breakdown\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e08 Option:\u003c\/strong\u003e Full-scale range of 0 to 8 mils peak-to-peak (0 to 200 micrometers peak-to-peak)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 Option:\u003c\/strong\u003e System length configuration of 5.0 meters (16.4 feet)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e02 Option:\u003c\/strong\u003e Bulkhead screws mounting configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCN Option:\u003c\/strong\u003e Country-specific agency approvals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComparison and Selection Guide\u003c\/h3\u003e\n\u003cp\u003eEngineers matching replacement monitoring hardware should evaluate scale ranges against shaft displacement thresholds. Review the alternative part number below for different measurement spans:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/www.plcsparehub.com\/products\/bently-nevada-990-05-70-02-00-vibration-transmitter-0-5-mils-range\"\u003e\u003cspan style=\"color: #0056b3;\"\u003e990-05-70-02-00\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e: Features a 0 to 5 mils range with a 7.0-meter system length, suited for tighter clearance tolerances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e990-08-50-02-CN\u003c\/span\u003e\u003c\/strong\u003e: Features a 0 to 8 mils range with a 5.0-meter system length, optimized for standard industrial machinery displacement boundaries.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications and Diagnostic Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Steam turbines, hydro turbines, pipeline booster pumps, and industrial gearboxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostics:\u003c\/strong\u003e Detects radial shaft vibration anomalies, journal bearing clearance loss, unbalance, and early-stage shaft misalignment before catastrophic failure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty and Logistics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Coverage:\u003c\/strong\u003e Backed by a full 12-month operational warranty from the invoice date.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFulfillment Partners:\u003c\/strong\u003e Express dispatch handled securely via FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDispatch Timeline:\u003c\/strong\u003e Guaranteed worldwide shipping within 24 to 48 hours of order confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat specific maintenance step prevents calibration drift on the \u003cspan style=\"color: #0056b3;\"\u003e990-08-50-02-CN\u003c\/span\u003e unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTechnicians should periodically verify zero and span potentiometer settings using a precision signal generator connected to the test input terminals while monitoring the 4-20 mA loop current.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does the \u003cspan style=\"color: #0056b3;\"\u003e990-08-50-02-CN\u003c\/span\u003e output drop below 3.6 mA during operation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis drop indicates a Not OK status triggered by a disconnected probe, severed cable, or a probe gap outside the required 0.5 to 1.75 mm operating window.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does system length selection affect the \u003cspan style=\"color: #0056b3;\"\u003e990-08-50-02-CN\u003c\/span\u003e installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 5.0-meter system length option dictates the combined electrical length of the probe and extension cable, which must match the transmitter calibration to preserve scale factor linearity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the \u003cspan style=\"color: #0056b3;\"\u003e990-08-50-02-CN\u003c\/span\u003e transmitter drive long control room cable loops?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, provided the total loop resistance does not exceed 1,000 ohms at a +35 Vdc supply voltage level.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat selection criteria matter most when replacing a legacy transmitter with the \u003cspan style=\"color: #0056b3;\"\u003e990-08-50-02-CN\u003c\/span\u003e?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\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\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eVerify that the full-scale option code matches your machine's vibration trip limits and ensure the mechanical bulkhead mounting pattern aligns with your existing junction box layout.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45013971763382,"sku":"990-08-50-02-CN","price":203.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/BentlyNevada990_5_7c424b7a-52d2-486c-b9ff-e4e7ae4716ee.jpg?v=1784875492","url":"https:\/\/www.plcsparehub.com\/products\/990-08-50-02-cn-bently-nevada-vibration-transmitter-0-8-mils-range","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}