{"product_id":"bently-nevada-990-08-70-03-00-industrial-automation-module","title":"Bently Nevada 990-08-70-03-00 Industrial Automation Module","description":"\u003ch2\u003eProduct Introduction\u003c\/h2\u003e\u003cp\u003eWhen unexpected machinery shutdowns threaten production uptime, the Bently Nevada 990-08-70-03-00 delivers rapid fault detection and reliable vibration measurement. This 990 Vibration Transmitter converts proximity probe signals into a linear 4-20 mA output, enabling continuous monitoring of rotating equipment. Designed for industrial environments, it accepts one non-contacting 3300 NSv proximity probe and extension cable, making it a direct upgrade for older vibration monitoring systems. The Bently Nevada 990-08-70-03-00 is built to withstand demanding conditions while providing precise vibration data.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cp\u003eBelow are the key parameters of the Bently Nevada 990-08-70-03-00, ensuring compatibility with standard industrial systems.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-scale Range\u003c\/td\u003e\n\u003ctd\u003e0-8 mils pp (0-200 μm pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoop Resistance (max)\u003c\/td\u003e\n\u003ctd\u003e1,000 Ω at 35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Limiting\u003c\/td\u003e\n\u003ctd\u003e23 mA typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003e4-20 mAdc, 2-wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e±1.5% over full-scale range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Gap\u003c\/td\u003e\n\u003ctd\u003e0.5 to 1.75 mm (20 to 55 mils)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e5 Hz to 6,000 Hz (+0, -3 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Target Size\u003c\/td\u003e\n\u003ctd\u003e9.5 mm (0.375 in) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg (0.9 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThe Bently Nevada 990-08-70-03-00 is ideal for monitoring critical rotating assets such as turbines, compressors, and pumps in power generation, oil \u0026amp; gas, and chemical processing. For example, in a steam turbine installation, the transmitter's 0-8 mils full-scale range detects shaft vibration within safe limits, while its fast signal defeat (NOT OK) response cuts output below 3.6 mA within 100 µs of a fault, triggering alarms and preventing catastrophic failure. Similarly, in a high-speed compressor train, the 5-6000 Hz frequency response captures both low-frequency imbalance and high-frequency bearing wear, ensuring early intervention.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup Guidance\u003c\/h2\u003e\u003cp\u003eMount the Bently Nevada 990-08-70-03-00 using DIN clips and screws as specified by mounting option 03. Connect the 3300 NSv probe and extension cable (system length 7.0 meters) to the BNC input. The probe must be gapped between 0.5 and 1.75 mm from the target to guarantee full-scale operation. Wire the transmitter in a 2-wire configuration, supplying +12 to +35 Vdc at the terminals. Zero and span adjustments are non-interacting, simplifying calibration. For hazardous areas (Zone 2\/Div 2), a 28 V power supply is recommended. Ensure loop resistance does not exceed 1,000 Ω at 35 Vdc to maintain 4-20 mA integrity.\u003c\/p\u003e\u003ch2\u003eTroubleshooting \u0026amp; Common Issues\u003c\/h2\u003e\u003cp\u003eA key feature of the Bently Nevada 990-08-70-03-00 is its NOT OK \/ signal defeat behavior, which forces output below 3.6 mA within 100 µs of a fault (e.g., probe open or short). Output restores 2-3 seconds after the condition clears. If erratic readings occur, verify the probe gap is within 0.5-1.75 mm and that the target meets the minimum 9.5 mm diameter. Excessive loop resistance (over 1,000 Ω) can cause loop power errors; measure the supply voltage and loop current. The Bently Nevada 990-08-70-03-00 current limiting of 23 mA typical protects against short circuits. Always confirm that the leadwire from the BNC connector does not exceed 3 meters (10 feet) to avoid signal degradation.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eWhen ordering the Bently Nevada 990-08-70-03-00, confirm the full-scale option (08 = 0-8 mils), system length (70 = 7.0 meters), and mounting (03 = DIN clips). Agency approval option 00 indicates standard non-hazardous certification; for hazardous environments, select the appropriate agency option. As a reliable supplier, \u003cstrong\u003ePLC Source PRO\u003c\/strong\u003e (ubest101) stocks genuine Bently Nevada modules with verified specifications. Always cross-reference your existing probe and cable lengths to ensure compatibility with the 7.0-meter system. For assistance, contact us to confirm stock availability and pricing.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default","offer_id":44416617775203,"sku":"990-08-70-03-00","price":277.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/990-08-70-02-CN-1_c31f8b21-bf84-4635-b6a4-f00cdd5b25e2.jpg?v=1785247487","url":"https:\/\/www.plcsourcepro.com\/products\/bently-nevada-990-08-70-03-00-industrial-automation-module","provider":"PLC Source PRO","version":"1.0","type":"link"}