{"product_id":"bently-nevada-990-08-70-01-01-990-vibration-transmitter-module","title":"Bently Nevada 990-08-70-01-01 990 Vibration Transmitter Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eWhen vibration monitoring systems fail, unplanned downtime can cost thousands. The Bently Nevada 990-08-70-01-01 990 Vibration Transmitter provides reliable, continuous measurement with built-in fault detection. This industrial automation module accepts one non-contacting 3300 NSv Proximity Probe and delivers a 4-20 mA signal proportional to vibration displacement. Designed for harsh environments, it comes with a CSA Division 2 agency approval.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\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 Option\u003c\/td\u003e\n\u003ctd\u003e08 – 0-8 mils pp (0-200 μm pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length Option\u003c\/td\u003e\n\u003ctd\u003e70 – 7.0 meters (23.0 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Option\u003c\/td\u003e\n\u003ctd\u003e01 – 35 mm DIN rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Approval Option\u003c\/td\u003e\n\u003ctd\u003e01 – CSA Division 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput\u003c\/td\u003e\n\u003ctd\u003eAccepts 1 non-contacting 3300 NSv Proximity Probe and extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc input at the transmitter terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4-20 mA Signal Output\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mAdc over specified full-scale range in 2-wire configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4-20 mA Loop Accuracy\u003c\/td\u003e\n\u003ctd\u003eWithin ±1.5% over specified full-scale range (accuracy rated from TEST signal to voltage across 250 Ω loop resistance; error additional to Prox Out Incremental Scale Factor)\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) from target\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Loop Resistance\u003c\/td\u003e\n\u003ctd\u003e1,000 Ω including cable 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\u003eZero and Span\u003c\/td\u003e\n\u003ctd\u003eNon-interacting external adjustments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNOT OK\/Signal Defeat\u003c\/td\u003e\n\u003ctd\u003eSignal goes less than 3.6 mA within 100 μs after a Not OK condition; restores within 2-3 seconds after condition removed\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\u003eLeadwire Length (Proximitor Sensor Output BNC)\u003c\/td\u003e\n\u003ctd\u003eMaximum cable distance 3 meters (10 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHazardous Area Locations\u003c\/td\u003e\n\u003ctd\u003eNon-Hazardous, Zone 2 or Div 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply (Hazardous Area)\u003c\/td\u003e\n\u003ctd\u003e28 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg (0.9 lbm)\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 990-08-70-01-01 is ideal for monitoring vibration on rotating machinery such as turbines, compressors, pumps, and fans. Its 4-20 mA output integrates seamlessly with PLCs, DCS, and SCADA systems for continuous condition monitoring. With a frequency response from 5 Hz to 6,000 Hz, it captures both slow-speed and high-speed machine dynamics.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup\u003c\/h2\u003e\u003cp\u003eMount the Bently Nevada 990-08-70-01-01 on a 35 mm DIN rail using the included clips. Connect one 3300 NSv Proximity Probe with extension cable to the input. Ensure the probe gap is between 0.5 and 1.75 mm (20 and 55 mils) from the target surface for accurate full-scale range. The maximum cable distance from the Proximitor Sensor Output (BNC connector) is 3 meters (10 feet). Power the transmitter with +12 to +35 Vdc at the terminal. Adjust zero and span using the non-interacting external adjustments.\u003c\/p\u003e\u003ch2\u003eTroubleshooting Common Issues\u003c\/h2\u003e\u003cp\u003eThe Bently Nevada 990-08-70-01-01 features a NOT OK\/signal defeat function: if a fault occurs, the output drops below 3.6 mA within 100 μs. This fast response alerts the control system immediately. Common issues include improper probe gap (must remain within 0.5-1.75 mm), incorrect power supply voltage, or excessive loop resistance (max 1,000 Ω at 35 Vdc). The current limiting (23 mA typical) protects against short circuits. If the output saturates or drifts, check the probe connection and adjust zero\/span.\u003c\/p\u003e\u003ch2\u003eSelection \u0026amp; Purchasing Guide\u003c\/h2\u003e\u003cp\u003eBefore ordering, verify that your system uses a compatible 3300 NSv Proximity Probe and that the full-scale range (0-8 mils pp) meets your vibration monitoring requirements. For Zone 2 or Div 2 hazardous locations, ensure power supply is limited to 28 V. PLC Source PRO offers genuine Bently Nevada parts with fast shipping. Visit our store at ubest101.myshopify.com to purchase the Bently Nevada 990-08-70-01-01.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default","offer_id":44416612401251,"sku":"990-08-70-01-01","price":295.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/990-08-70-02-CN-1_16fa0b31-5c06-459a-acc4-a66485053f21.jpg?v=1785246934","url":"https:\/\/www.plcsourcepro.com\/products\/bently-nevada-990-08-70-01-01-990-vibration-transmitter-module","provider":"PLC Source PRO","version":"1.0","type":"link"}