{"product_id":"991-06-50-02-01-bently-nevada-thrust-vibration-transmitter-module-unit","title":"991-06-50-02-01 Bently Nevada Thrust Vibration Transmitter Module Unit","description":"\u003ch3\u003eProduct Overview \u0026amp; Configuration Breakdown\u003c\/h3\u003e\n\u003cp\u003eManufacturer: \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eBently Nevada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eModel: \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e991-06-50-02-01\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSeries: \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e991 Thrust Transmitter Module\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eCondition: Factory New \u0026amp; Original Packaging\u003c\/p\u003e\n\u003cp\u003eFulfillment: 24-48 Hour Express Dispatch via FedEx, UPS, and DHL\u003c\/p\u003e\n\u003cp\u003eWarranty: Comprehensive 12-Month Factory Warranty\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConfiguration Breakdown Code Analysis:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBase Model: \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e991\u003c\/strong\u003e\u003c\/span\u003e - Thrust Transmitter Unit\u003c\/li\u003e\n\u003cli\u003eFull-scale Option: \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e06\u003c\/strong\u003e\u003c\/span\u003e - 0.6-0-0.6 mm measurement scale\u003c\/li\u003e\n\u003cli\u003eSystem Length Option: \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e50\u003c\/strong\u003e\u003c\/span\u003e - 5.0 meters (16.4 feet) system calibration\u003c\/li\u003e\n\u003cli\u003eMounting Option: \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e02\u003c\/strong\u003e\u003c\/span\u003e - Bulkhead screw mounting hardware\u003c\/li\u003e\n\u003cli\u003eAgency Approval Option: \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e01\u003c\/strong\u003e\u003c\/span\u003e - CSA Division 2 hazardous area certification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight:\u003c\/strong\u003e Direct-mount loop-powered transmitters eliminate the need for full rack enclosures in compact skid packages. The \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e991-06-50-02-01\u003c\/strong\u003e\u003c\/span\u003e integrates signal conditioning directly into field junction boxes, converting probe gaps straight into standard 4-20 mA control loops with robust Not OK fault protection.\u003c\/p\u003e\n\u003ch3\u003eAdvanced Technical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput Channel: Accepts 1 non-contacting 3300 NSv proximity probe and extension cable assembly\u003c\/li\u003e\n\u003cli\u003eSignal Output: Two-wire 4 to 20 mAdc proportional to specified full-scale range\u003c\/li\u003e\n\u003cli\u003eLinear Range: 0.25 to 1.65 mm for proximity output, matching 0.6-0-0.6 mm current loops\u003c\/li\u003e\n\u003cli\u003eLoop Accuracy: Within plus or minus 1.5 percent over full scale across a 250 ohm resistance\u003c\/li\u003e\n\u003cli\u003ePower Requirements: External DC supply requiring +12 to +35 Vdc input at transmitter terminals\u003c\/li\u003e\n\u003cli\u003eMaximum Loop Resistance: Up to 1000 ohms including cabling at 35 Vdc operational voltage\u003c\/li\u003e\n\u003cli\u003eFault Indication: Drops below 3.6 mA within 100 microseconds upon detecting a Not OK condition\u003c\/li\u003e\n\u003cli\u003eEnvironmental Limits: Operating temperature range from -35°C to +85°C (-31°F to +185°F)\u003c\/li\u003e\n\u003cli\u003ePhysical Weight: Lightweight industrial footprint of 0.43 kg (0.9 lbm) configured for DIN rail or bulkhead mounting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Selection and Comparative Analysis\u003c\/h3\u003e\n\u003cp\u003eWhen selecting between thrust transmitters for rotating machinery protection, engineers must evaluate system length parameters and hazardous area approvals. For alternative configurations within the same product family, review the \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/991-06-70-02-00-bently-nevada-transmitter-991-thrust-module\" style=\"color: #0056b3; text-decoration: underline;\"\u003e\u003cstrong\u003e991-06-70-02-00\u003c\/strong\u003e\u003c\/a\u003e model variant, which utilizes a 7.0-meter system length option instead of the 5.0-meter setup found in the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e991-06-50-02-01\u003c\/strong\u003e\u003c\/span\u003e. Ensure your probe cable length matches the transmitter system length code to maintain loop calibration integrity.\u003c\/p\u003e\n\u003ch3\u003eIndustrial Application Scenarios \u0026amp; Diagnostic Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTarget Machinery: Axial thrust monitoring on steam turbines, gas expanders, centrifugal pumps, and heavy industrial compressors.\u003c\/li\u003e\n\u003cli\u003eDiagnostic Function: Tracks continuous rotor axial displacement to prevent catastrophic internal rubbing against thrust bearing pads.\u003c\/li\u003e\n\u003cli\u003eFailure Detection: Rapidly identifies thrust collar degradation, excessive load shifts, and sudden lubrication film breakdowns via automated 3.6 mA loop dropouts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What causes the 991-06-50-02-01 output to drop below 3.6 mA during operation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The transmitter automatically triggers a Not OK status and pulls current below 3.6 mA if it detects a severed probe cable, disconnected power supply, or internal transducer fault.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this unit be mounted directly inside a standard field junction box?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module supports bulkhead screw mounting or standard DIN rail installation inside local weatherproof enclosures near the machine train.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the system length option impact field calibration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Option 50 is calibrated specifically for a 5.0-meter total probe and extension cable length. Mixing different cable lengths will introduce scale factor errors unless recalibrated.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What field wiring specification is required for the 4-20 mA current loop?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Use twisted shielded pair cabling connected to a regulated +12 to +35 Vdc power source, ensuring total loop resistance remains under 1000 ohms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are zero and span adjustments interactive on this transmitter model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No, the module features non-interacting external potentiometers, allowing technicians to calibrate zero and span settings independently during routine maintenance checks.\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":45013972123830,"sku":"991-06-50-02-01","price":115.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/991_2_6f8438a7-679e-4861-b17e-112c2572a54f.jpg?v=1786344557","url":"https:\/\/www.plcsparehub.com\/products\/991-06-50-02-01-bently-nevada-thrust-vibration-transmitter-module-unit","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}