{"product_id":"bently-nevada-990-04-50-01-00-990-vibration-transmitter","title":"Bently Nevada 990-04-50-01-00 Émetteur de vibration 990","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e990 vibration transmitter\u003c\/strong\u003e provides a simplified vibration measurement interface for rotating machinery by converting proximity probe displacement into a standardized \u003cstrong\u003e4–20 mA output signal\u003c\/strong\u003e. It is designed for OEM applications where vibration indication is required for control system logic rather than full condition monitoring.\u003c\/p\u003e\n\u003cp\u003eThis configuration (\u003cstrong\u003e990-04-50-01-00\u003c\/strong\u003e) is optimized for short system installation using a 5.0 meter probe cable and DIN rail mounting structure. It operates as a loop-powered device and integrates signal conditioning internally, reducing external instrumentation requirements.\u003c\/p\u003e\n\u003cp\u003eThe measurement principle is based on proximity probe displacement, processed into peak-to-peak vibration amplitude suitable for trend-based machinery protection.\u003c\/p\u003e\n\u003ch3\u003eConfiguration Breakdown\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSelection\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 Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-scale Range\u003c\/td\u003e\n\u003ctd\u003e0–4 mils pp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length\u003c\/td\u003e\n\u003ctd\u003e5.0 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApproval Option\u003c\/td\u003e\n\u003ctd\u003eCSA \/ ATEX \/ maritime variant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFunctional Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-wire loop powered architecture\u003c\/li\u003e\n\u003cli\u003eDirect 4–20 mA vibration proportional output\u003c\/li\u003e\n\u003cli\u003eCompatible with 3300 NSv proximity probe system\u003c\/li\u003e\n\u003cli\u003eInternal signal conditioning and scaling\u003c\/li\u003e\n\u003cli\u003eDIN rail installation format for panel integration\u003c\/li\u003e\n\u003cli\u003eAdjustable loop calibration via external interface points\u003c\/li\u003e\n\u003cli\u003eFault indication through signal suppression behavior\u003c\/li\u003e\n\u003cli\u003eDesigned for compact OEM machinery packages\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSmall centrifugal compressors\u003c\/li\u003e\n\u003cli\u003eIndustrial pump skids\u003c\/li\u003e\n\u003cli\u003eFan assemblies in HVAC systems\u003c\/li\u003e\n\u003cli\u003eGeneral purpose rotating equipment\u003c\/li\u003e\n\u003cli\u003eOEM machine monitoring panels\u003c\/li\u003e\n\u003cli\u003eAuxiliary vibration trend points\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Characteristics\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e4–20 mA proportional vibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoop Resistance\u003c\/td\u003e\n\u003ctd\u003e1000 ohm max (including cable)\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\u003eInput Source\u003c\/td\u003e\n\u003ctd\u003e3300 NSv proximity probe system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eMechanical Data\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\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\u003ctr\u003e\n\u003ctd\u003eMinimum Target Size\u003c\/td\u003e\n\u003ctd\u003e9.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Type\u003c\/td\u003e\n\u003ctd\u003eDIN rail mounted module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H×W×D)\u003c\/td\u003e\n\u003ctd\u003e53.3 × 73.9 × 100.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEnvironmental Limits\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-35 C to +85 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-51 C to +100 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e100% condensing (non-submerged)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp\u003eDIN rail installation requires stable panel grounding to ensure signal integrity under industrial noise environments. Cable routing should avoid high voltage conductors to reduce electromagnetic interference.\u003c\/p\u003e\n\u003cp\u003eProbe gap must be set within specified range to maintain linear measurement response. System commissioning should verify stable loop current before enabling alarm logic in control systems.\u003c\/p\u003e\n\u003ch3\u003eInterface Definition\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTerminal\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\u003eLOOP +\u003c\/td\u003e\n\u003ctd\u003ePower + 4–20 mA output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM\u003c\/td\u003e\n\u003ctd\u003eSignal reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePROX OUT\u003c\/td\u003e\n\u003ctd\u003eRaw vibration diagnostic signal\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 type of signal does this transmitter output?\u003c\/strong\u003e\u003cbr\u003eIt provides a 4–20 mA signal proportional to vibration amplitude.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it operate without external signal conditioning?\u003c\/strong\u003e\u003cbr\u003eYes, signal conditioning is fully integrated inside the device.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mounting method is used?\u003c\/strong\u003e\u003cbr\u003eThis version uses standard 35 mm DIN rail mounting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the probe system requirement?\u003c\/strong\u003e\u003cbr\u003eIt works with the Bently Nevada 3300 NSv proximity probe system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for full vibration diagnostics?\u003c\/strong\u003e\u003cbr\u003eNo, it is intended for trend-level monitoring and protection logic.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModel: 990 Vibration Transmitter\u003c\/li\u003e\n\u003cli\u003eFull-scale Option: 04 = 0–4 mils pp\u003c\/li\u003e\n\u003cli\u003eSystem Length: 50 = 5.0 meters\u003c\/li\u003e\n\u003cli\u003eMounting: 01 = DIN rail clips\u003c\/li\u003e\n\u003cli\u003eApproval: 00 = Standard configuration\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666732216683,"sku":"990-04-50-01-05","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-04-50-01-05-vibration-transmitter-p3uh3udifdj_ffecf2e9-e202-4102-bd8c-f6eef4d50a92.jpg?v=1765446688","url":"https:\/\/www.plcprotech.com\/fr\/products\/bently-nevada-990-04-50-01-00-990-vibration-transmitter","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}