{"product_id":"990-04-50-02-00-bently-nevada-990-series-vibration-transmitter","title":"990-04-50-02-00 | Bently Nevada 990 Series Vibration Transmitter","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 990-04-50-02-00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-precision, two-wire vibration transmitter designed for continuous machinery protection. It accepts signals from a proximity probe and extension cable, converting the complex eddy current data into a linear\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4-20 mA DC output\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eproportional to peak-to-peak vibration. This \"rackless\" solution enables critical monitoring of centrifugal compressors, pumps, and fans without the cost or footprint of a dedicated monitoring rack. We guarantee this unit is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new and original equipment\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe 990-04-50-02-00 configuration utilizes Bently Nevada’s modular logic for 5-meter systems:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eOption Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSelection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Definition\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e990\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSeries\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVibration Transmitter (Integrated Proximitor)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e04\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFull-scale Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 4 mils pp (0 to 100 μm pp)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e50\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSystem Length\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.0 meters (16.4 feet)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e02\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMounting Option\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBulkhead Mounting (Screw-in)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e00\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAgency Approval\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNo Agency Approvals Required \/ Standard\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThis transmitter conditions signals with high accuracy for 24VDC loops:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Signal:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4-20 mA DC (Proportional to vibration amplitude).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFull-Scale Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0 to 4 mils peak-to-peak (100 μm).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Calibration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFixed for 5.0-meter probe\/cable combinations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBently Nevada 3300 or 3300 XL 8mm Proximity Probes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Requirement:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e12 to 35 Vdc (Loop-powered).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e-35°C to +85°C (-31°F to +185°F).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.43 kg (0.9 lb) typical.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeamless PLC\/DCS Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe transmitter converts raw proximity signals into a standard 4-20 mA current loop locally. This allows engineers to connect the device directly to any standard analog input card, eliminating the need for specialized vibration monitors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized for Bulkhead Mounting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe \"02\" mounting option provides a flat-surface, screw-down interface. This is ideal for mounting the transmitter directly onto machine skids or inside custom junction boxes where DIN rails are not available or where high-vibration security is paramount.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Noise Immunity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy conditioning the signal at the source, the 990-04-50-02-00 protects data integrity from electromagnetic interference (EMI) during long-distance transmission to the control room.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Buffered Output:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe unit includes a separate buffered voltage signal. Maintenance personnel connect portable data collectors directly to the transmitter to analyze vibration waveforms in real-time without interrupting the primary 4-20 mA safety loop.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a 7-meter extension cable with this transmitter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 990-04-50-02-00 is factory-calibrated for a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5.0-meter total system length\u003c\/strong\u003e. Using a 7-meter cable will result in a scale factor error and inaccurate vibration readings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this unit require a separate Proximitor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 990 series integrates the Proximitor driver and transmitter into a single module. It replaces the traditional Proximitor for 4-20 mA applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if the probe gap is set incorrectly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe transmitter provides \"Prox\" and \"COM\" terminals. You should measure the DC gap voltage with a multimeter during installation to ensure the probe is positioned in the center of its linear range (typically -10V DC).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a genuine Bently Nevada product?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. We provide only\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new, original factory stock\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein original Bently Nevada packaging with full manufacturer traceability and quality assurance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":53224665940152,"sku":"990-04-50-02-00","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/990-04-XX-01-00_ca697c44-5d39-4574-a673-c963943570ad.png?v=1775184717","url":"https:\/\/www.globalpetroparts.com\/products\/990-04-50-02-00-bently-nevada-990-series-vibration-transmitter","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}