{"product_id":"bently-nevada-990-08-50-02-01-industrial-automation-module","title":"Bently Nevada 990-08-50-02-01 Industrial Automation Module","description":"\u003ch2\u003eProduct Introduction\u003c\/h2\u003e\u003cp\u003eWhen machinery vibration threatens costly downtime, the Bently Nevada 990-08-50-02-01 990 Vibration Transmitter delivers precise, continuous monitoring. This compact transmitter accepts a single non-contacting 3300 NSv proximity probe and extension cable, converting shaft vibration into a standardized 4-20 mAdc signal. Designed for critical rotating equipment, the 990-08-50-02-01 ensures early detection of abnormal vibration patterns, allowing proactive maintenance and reducing unplanned outages. Its rugged construction and CSA Division 2 approval make it suitable for hazardous area installations.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cp\u003eThe Bently Nevada 990-08-50-02-01 offers essential parameters for reliable vibration monitoring:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput:\u003c\/strong\u003e Accepts 1 non-contacting 3300 NSv Proximity Probe and extension cable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e Requires +12 to +35 Vdc input at the transmitter terminal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-scale Option:\u003c\/strong\u003e 08 (0-8 mils pp \/ 0-200 μm pp).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Length Option:\u003c\/strong\u003e 50 (5.0 meters \/ 16.4 feet).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Option:\u003c\/strong\u003e 02 (Bulkhead screws).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAgency Approval:\u003c\/strong\u003e 01 (CSA Division 2).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA Signal Output:\u003c\/strong\u003e Over specified full-scale range, 2-wire configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA Loop Accuracy:\u003c\/strong\u003e Within ±1.5% over full-scale range (from TEST signal to voltage across 250 Ω).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Gap:\u003c\/strong\u003e 0.5 to 1.75 mm (20 to 55 mils) from target.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Loop Resistance:\u003c\/strong\u003e 1,000 Ω including cable at 35 Vdc.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Limiting:\u003c\/strong\u003e 23 mA typical.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 5 Hz to 6,000 Hz +0, -3 dB.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Target Size:\u003c\/strong\u003e 9.5 mm (0.375 in) diameter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeadwire Length:\u003c\/strong\u003e Maximum 3 meters (10 feet) for Proximitor Sensor Output (BNC).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.43 kg (0.9 lbm).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eIn petrochemical plants, the 990-08-50-02-01 monitors shaft vibration on pumps, compressors, and turbines. Its 5 Hz to 6 kHz frequency response captures both low-speed and high-speed machinery dynamics. In power generation, the transmitter integrates with existing Bently Nevada systems to provide early warning of imbalance or bearing wear. The non-interacting zero and span adjustments simplify calibration, reducing commissioning time. For offshore platforms, the CSA Division 2 approval allows installation in Zone 2 hazardous areas without extra barriers.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup Guidance\u003c\/h2\u003e\u003cp\u003eProper installation ensures accurate vibration readings. Mount the Bently Nevada 990-08-50-02-01 using the bulkhead screws (Option 02) in a vibration-free location. Connect the 3300 NSv probe via the BNC connector, ensuring the leadwire does not exceed 3 meters. Gap the probe between 0.5 and 1.75 mm (20 to 55 mils) from the target surface to achieve full-scale range. Power the transmitter with +12 to +35 Vdc; verify loop resistance stays under 1,000 Ω. Adjust zero and span using the non-interacting external adjustments after installation. The NOT OK\/signal defeat feature automatically drives output below 3.6 mA within 100 µs upon fault, restoring within 2-3 seconds after clearing.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eRoutine checks of the probe gap are recommended. Confirm no physical damage to the probe tip or cable. The 990-08-50-02-01 requires no periodic recalibration if installed within specifications. Its current limiting (23 mA typical) protects the loop from damage in short-circuit conditions. The CSA Division 2 rating ensures reliable operation in environments with flammable gases. By catching vibration changes early, this transmitter reduces unexpected failures, extending machinery life and lowering overall maintenance costs—a clear ROI for operators.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eBefore ordering the Bently Nevada 990-08-50-02-01, verify your probe type (3300 NSv), required full-scale range (0-8 mils pp is Option 08), and cable length (Option 50 = 5.0 meters). Confirm mounting needs: bulkhead screws (Option 02) and agency approval (Option 01 = CSA Division 2). For non-hazardous environments, alternative options are available. As an authorized supplier, \u003cstrong\u003ePLC Source PRO\u003c\/strong\u003e (ubest101) stocks genuine Bently Nevada modules with full traceability. Contact our technical team for compatibility with existing Bently Nevada racks or replacement of older 990 series units.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default","offer_id":44416607912035,"sku":"990-08-50-02-01","price":226.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/990-08-70-02-CN-1_84929d2d-7e6f-4482-8021-ad1a5deb875a.jpg?v=1785246377","url":"https:\/\/www.plcsourcepro.com\/products\/bently-nevada-990-08-50-02-01-industrial-automation-module","provider":"PLC Source PRO","version":"1.0","type":"link"}