{"product_id":"bently-nevada-990-05-50-01-cn-990-vibration-transmitter","title":"Bently Nevada 990-05-50-01-CN 990 Vibration Transmitter","description":"\u003cp\u003eConfigured for proximity signal conditioning and 4-20 mA current loop execution in machinery protection architectures, the \u003cstrong\u003eBently Nevada 990-05-50-01-CN\u003c\/strong\u003e (\u003cstrong\u003e990\u003c\/strong\u003e Vibration Transmitter) provides direct physical\/electrical execution.\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 (0-100 um pp) displacement measurement 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 metres (16.4 feet) total system length matching probe cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-01\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMounting Option\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN rail clips integrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-CN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAgency Approval Option\u003c\/td\u003e\n\u003ctd\u003eCountry-specific certification approvals for China region\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\u003e990-05-50-01-CN\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\u003eFull-Scale Range\u003c\/td\u003e\n\u003ctd\u003e0-5 mils pp (0-100 um pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length\u003c\/td\u003e\n\u003ctd\u003e5.0 metres (16.4 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Interface\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Materials\u003c\/td\u003e\n\u003ctd\u003ePPS tip, AISI 303\/304 SST case, 75 ohm FEP coaxial cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Strength\u003c\/td\u003e\n\u003ctd\u003e222 N (50 lbf) maximum (probe case to lead)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Approval\u003c\/td\u003e\n\u003ctd\u003eCN country-specific approvals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eExtended field transmitter temperature rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 990 DIN-mount module housing profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.82 kg (Net) \/ 2.0 kg (Shipping)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eLoop-powered via 4-20 mA current output loop\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; Rotor Dynamics\u003c\/h3\u003e\n\u003cp\u003eThe transmitter excitation circuit drives the connected 75 ohm coaxial probe system, converting dynamic gap variation into a continuous 4-20 mA output signal proportional to peak-to-peak vibration amplitude. Commissioning requires gap voltage validation to ensure the probe tip is installed at the designated physical offset, achieving a -10 VDC bias voltage at the raw signal terminal. Processing high-frequency eddy-current signal changes allows precise evaluation of rotor dynamics and shaft motion without signal clipping or phase lag.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How is the physical transmitter module mounted inside control cabinets?\u003c\/p\u003e\n\u003cp\u003eA: The Option 01 configuration incorporates pre-installed mounting clips designed for secure attachment directly to standard 35 mm DIN rail channels.\u003c\/p\u003e\n\u003cp\u003eQ: What are the mechanical material construction specifications for the probe interface?\u003c\/p\u003e\n\u003cp\u003eA: The probe assembly features a polyphenylene sulfide (PPS) tip, AISI 303 or 304 stainless steel case, and 75 ohm FEP-insulated coaxial cabling rated to 222 N (50 lbf) tensile pull strength.\u003c\/p\u003e\n\u003cp\u003eQ: How is power delivered to the transmitter module during continuous operation?\u003c\/p\u003e\n\u003cp\u003eA: Power is supplied across the two-wire output circuit, drawing operating loop current directly from the connected control system 24 VDC analog input interface.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eSnap the transmitter module onto a clean 35 mm DIN rail inside the field enclosure, verifying mechanical latch engagement.\u003c\/li\u003e\n\u003cli\u003eRoute the 75 ohm coaxial proximity probe cable and connect the threaded coupling to the input interface, tightening finger-tight.\u003c\/li\u003e\n\u003cli\u003eValidate static DC gap voltage using a multimeter across the probe test points, adjusting physical probe depth to match the -10 VDC baseline.\u003c\/li\u003e\n\u003cli\u003eWire the two-wire loop output to the control system terminal block using twisted-pair shielded field wiring.\u003c\/li\u003e\n\u003cli\u003eTerminate the cable shield to the cabinet earthing bus bar at a single ground point to suppress electrical noise and ground loop currents.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":43824977772634,"sku":"990-05-50-01-CN","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_912ea22a-4e92-4e42-a192-473e411a7a53.png?v=1786435046","url":"https:\/\/www.spareoil.com\/products\/bently-nevada-990-05-50-01-cn-990-vibration-transmitter","provider":"SpareOil Automation","version":"1.0","type":"link"}