{"product_id":"990-05-71-01-05-bently-nevada-vibration-transmitter-990-series","title":"990-05-71-01-05 Bently Nevada Vibration Transmitter 990 Series","description":"\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 990-05-71-01-05\u003c\/strong\u003e, also cataloged as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e990\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eVibration Transmitter, operates as a dedicated hardware component for processing non-contact proximity probe signals into an integrated 4-20 mA loop current output within machinery monitoring networks. The device conditions proportional eddy-current signals to track continuous dynamic radial vibration or axial thrust metrics, interfacing directly with PLC or DCS industrial platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Operational Profiles\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e990-05-71-01-05\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBently Nevada\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.37 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12.5 x 9.5 x 6.0 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-35 to +85 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLoop-powered requiring +12 to +35 VDC supply rail\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLoop Linear Signal Output\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4-20 mA proportional analog current loop\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePrimary Measurement Domain\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eContinuous dynamic shaft vibration or thrust position\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDynamic Telemetry Port\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBuffered raw voltage terminal output via coaxial\/screw blocks\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHazardous Environment Rating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIntrinsic safety approvals including certified structural barriers\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eGap Voltage Validation and Rotor Dynamics\u003c\/h3\u003e\n\u003cp\u003eThe 990-05-71-01-05 integration layout relies on strict eddy-current probe scaling to ensure the input signal precisely corresponds to mechanical displacement. During hardware loop setup, technicians must verify internal circuit parameters via gap voltage validation (-10 VDC targets) through the buffered voltage terminal, ensuring the primary transducer stays indexed inside its linear envelope. This balancing allows the unit to accurately process high-frequency rotor dynamics variables while internal electronic isolation networks sustain cross-talk suppression between neighboring parallel instrumentation loops.\u003c\/p\u003e\n\u003ch3\u003eTechnical Performance FAQ\u003c\/h3\u003e\n\u003cp\u003eQ: How does the loop voltage scale change the stability of the 4-20 mA telemetry?\u003c\/p\u003e\n\u003cp\u003eA: The internal current regulator operates within a nominal input span of +12 to +35 VDC. Dropping the loop potential below +12 VDC disrupts the constant current loop tracking, which destabilizes the 4-20 mA output and causes false monitoring system trips.\u003c\/p\u003e\n\u003cp\u003eQ: Can the dynamic buffered output be used for continuous online machinery analytics?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The buffered output terminal acts as a low-impedance voltage tap that replicates the unfiltered, raw eddy-current probe signal. It can be connected to portable vibration data collectors or permanent plant diagnostic computers without corrupting the primary 4-20 mA process loop.\u003c\/p\u003e\n\u003cp\u003eQ: What are the electrical consequences of routing the transducer lines near high-voltage motor supply lines?\u003c\/p\u003e\n\u003cp\u003eA: Placing low-voltage probe lines near high-voltage circuits will compromise the cross-talk suppression paths. Electromagnetic fields can inject high-frequency noise into the input stage, which causes inaccurate 4-20 mA tracking and distorts the observed rotor dynamics variables.\u003c\/p\u003e\n\u003ch3\u003eMechanical Field Installation Directives\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStructural Chassis Grounding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eInstall the module assembly directly onto a grounded 35 mm DIN rail inside a protective steel enclosure, ensuring the metallic mounting clips maintain direct physical electrical contact with the rail matrix.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCoaxial Connector Shielding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eClean the proximity probe ClickLoc connector before coupling the physical joint. Wrap the entire connection sleeve with non-conductive insulation material to isolate the probe shield from the local machine housing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eField Wiring Terminations:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStrip field wires back 7 mm and secure them tightly within the screw terminal blocks, verifying that the dynamic signal wire pair is completely separated from adjacent high-current AC control lines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBuffered Port Connection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen interfacing diagnostic equipment with the buffered voltage tap, use a shielded coaxial cable assembly with a maximum length of 3 meters to prevent signal attenuation or RF noise pick-up.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComponents Shipped\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStandard Line Items:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOne Bently Nevada 990-05-71-01-05 loop-powered vibration transmitter block and one integrated three-terminal removable signal terminal block plug.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeparated Accessory Items:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProximity probe sensors, extension cable loops, external power supplies, and matching diagnostic BNC interface adapter elements must be ordered as independent hardware codes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFreight Profile and Handling Data\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLogistics Turnaround Window:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDelivery time: 2-7 days when payment finish, utilizing expedited international air transport via DHL, FEDEX, or UPS.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Protection Specs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnclosed in anti-static industrial packaging and surrounded by form-fitting high-density shock dissipation barriers to protect internal electrical components and calibration matrices from kinetic shocks during transit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":46026886873261,"sku":"990-05-71-01-05","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/Bently990-05-50-01-00_3.jpg?v=1779962537","url":"https:\/\/www.maxwellplc.com\/products\/990-05-71-01-05-bently-nevada-vibration-transmitter-990-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}