{"product_id":"991-06-50-03-00-bently-nevada-probe-vibration-transmitter-din-mount","title":"991-06-50-03-00 Bently Nevada Probe Vibration Transmitter DIN Mount","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e991-06-50-03-00 Bently Nevada\u003c\/strong\u003e\u003c\/span\u003e Thrust Vibration Transmitter is a heavy-duty, DIN rail-mounted field transducer designed to integrate continuous axial position and thrust wear monitoring directly into industrial control loops. Configured for a full-scale axial displacement range of 0.6–0–0.6 mm, this unit interfaces with a 3300 NSv eddy current proximity probe and extension cable assembly (5.0-meter system length). Operating on a standard 2-wire, 24V DC loop power configuration (+12 to +35 Vdc input), it conditions non-contact probe signals into an isolated proportional 4-20mA current loop for direct connection to PLCs, DCS networks, or plant SCADA systems.\u003c\/p\u003e\n\u003ch3\u003eConfiguration Architecture Breakdown\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eBently Nevada 991 Thrust Transmitter Platform\u003c\/strong\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Series [991]:\u003c\/strong\u003e 2-Wire Proximity Probe Axial Thrust \/ Position Transmitter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-Scale Range Option [06]:\u003c\/strong\u003e 0.6–0–0.6 mm (25–0–25 mils) Axial Displacement Range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Cable Length Option [50]:\u003c\/strong\u003e 5.0 Meters (16.4 Feet) Total Probe \u0026amp; Extension Cable Tuning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Mounting Option [03]:\u003c\/strong\u003e Complete with DIN Rail Mounting Clips and Assembly Screws\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAgency Approval Option [00]:\u003c\/strong\u003e Standard Commercial \/ Non-Approved Variant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications \u0026amp; Operating Boundaries\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eEngineering Parameter\u003c\/th\u003e\n\u003cth\u003eField Specification Detail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eBently Nevada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFull Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e991-06-50-03-00\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e991 Probe Vibration Transmitter\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Measurement Axis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAxial Shaft Displacement \/ Rotor Thrust Position Monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAnalog Signal Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-20 mAdc Proportional Current Loop (2-Wire Loop Powered)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoop Measurement Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWithin ±1.5% over full-scale range (measured across 250 Ω loop resistance)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage Window\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+12 Vdc to +35 Vdc Loop Power Input at Transmitter Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Impedance Load\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,000 Ω Loop Resistance (including interconnect cabling at 35 Vdc)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor Hardware Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAccepts 1 x non-contacting 3300 NSv Proximity Probe \u0026amp; Extension Cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProx Out Linear Gap Window\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.25 mm to 1.65 mm (0.6-0-0.6 mm process output range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoop Current Limiting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23 mA typical under over-range shaft deflection conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Installation \u0026amp; Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35 mm Standard DIN Rail Mount (Net Weight: 0.43 kg \/ 0.9 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Ambient Limits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-35°C to +85°C (-31°F to +185°F) Environment Rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatible Hardware \u0026amp; Operational Deployments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Components \u0026amp; Interfacing:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e3300 NSv Proximity Probes\u003c\/strong\u003e\u003c\/span\u003e and matching 5.0-meter extension cables.\u003c\/li\u003e\n\u003cli\u003eProgrammable Logic Controllers (PLCs), Distributed Control Systems (DCS), and SCADA analog input cards.\u003c\/li\u003e\n\u003cli\u003ePortable vibration analyzers via the raw Prox Out buffered voltage test terminal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget Machinery \u0026amp; Industrial Applications:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eRotor axial position surveillance on multi-stage centrifugal gas compressors.\u003c\/li\u003e\n\u003cli\u003eThrust bearing shoe wear detection in steam turbines, large blowers, and boiler feed pumps.\u003c\/li\u003e\n\u003cli\u003eHydro-turbine runner displacement and gearbox thrust collar monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDiagnostic \u0026amp; Predictive Self-Monitoring Capabilities\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e991-06-50-03-00 Bently Nevada\u003c\/strong\u003e\u003c\/span\u003e transmitter features built-in self-testing routines that monitor probe gap integrity and loop health. If a broken cable, open circuit, or severe target over-gap occurs, the unit initiates a \"Not OK \/ Signal Defeat\" sequence: dropping loop current below 3.6 mA in under 100 microseconds to suppress false process trips. Once the fault clears, normal current output restores automatically within 0.1 seconds. Furthermore, non-interacting external zero and span potentiometers allow fast field recalibration without affecting raw buffered voltage outputs.\u003c\/p\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eIn a petrochemical plant modernization project, engineers needed to incorporate thrust position protection into an existing PLC cabinet without the high capital expense of adding a dedicated 3500 rack rack system. Installing the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e991-06-50-03-00 Bently Nevada\u003c\/strong\u003e\u003c\/span\u003e transmitter on a standard DIN rail solved the space constraint. By outputting direct 4-20mA signals into the control system, the team established reliable rotor position monitoring while keeping raw BNC signal access available for handheld predictive maintenance instruments.\u003c\/p\u003e\n\u003ch3\u003eWarranty, Logistics \u0026amp; Fast Shipping\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Condition:\u003c\/strong\u003e 100% Brand New and Genuine Factory Stock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Protection:\u003c\/strong\u003e Full 12-Month Quality Warranty from dispatch date\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrder Processing Window:\u003c\/strong\u003e Fast handling, shipping within 24 to 48 hours post-payment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal Express Courier:\u003c\/strong\u003e Direct door-to-door delivery via FedEx, UPS, and DHL networks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Selection \u0026amp; Operational FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy must the system cable length match the specified -50 option precisely?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe internal driver circuitry of the transmitter is factory-calibrated to match the total capacitance and inductance of a 5.0-meter probe and extension cable system. Mixing probe lengths will throw off linearity and zero-point calibration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the buffered Prox Out terminal on the transmitter body?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe raw buffered terminal provides an unfiltered voltage signal proportional to physical probe gap. Technicians connect oscilloscope probes or portable vibration data collectors here to analyze dynamic shaft behavior without disturbing the 4-20mA loop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the 991 series handle power supply fluctuations within field panels?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe unit incorporates internal voltage regulation that accepts input ranges from +12 Vdc to +35 Vdc. As long as the terminal voltage stays within these boundaries, the 4-20mA loop accuracy remains stable across varying load resistances up to 1,000 Ω.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this transmitter interface with standard 3300 XL 8 mm probes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e991-06-50-03-00\u003c\/strong\u003e\u003c\/span\u003e transmitter circuit is specifically calibrated for use with 3300 NSv narrow-side-view proximity probes designed for tight mounting clearances. Connecting standard 8 mm probes results in improper scale factor response.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat zero-point voltage reading should technicians expect during initial mechanical gapping?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen setting up a 0.6–0–0.6 mm transmitter, mechanically gap the probe tip until the raw voltage reading at the test terminal reads approximately mid-scale (typically -9.0 Vdc to -10.0 Vdc bias depending on shaft target material), corresponding to a baseline 12 mA loop output.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/991_524659a5-cbca-478a-b812-374d1b70ec8e.png?v=1784875246\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45013972156598,"sku":"991-06-50-03-00","price":218.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/991_2_9cecce00-bd0f-4f4a-a808-6cfd998f993c.jpg?v=1787731125","url":"https:\/\/www.plcsparehub.com\/products\/991-06-50-03-00-bently-nevada-probe-vibration-transmitter-din-mount","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}