{"product_id":"bently-nevada-990-08-50-01-00-industrial-automation-module","title":"Bently Nevada 990-08-50-01-00 Industrial Automation Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eIn critical rotating machinery, undetected vibration can lead to catastrophic failures. The Bently Nevada 990-08-50-01-00 990 Vibration Transmitter provides continuous, precise vibration monitoring to safeguard your assets. This compact transmitter accepts one non-contacting 3300 NSv proximity probe and delivers a 4-20 mA signal proportional to shaft vibration. With its built-in NOT OK\/signal defeat feature, the 990-08-50-01-00 automatically drives the output below 3.6 mA within 100 µs if a fault condition occurs, enabling rapid system shutdown and preventing further damage.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications Breakdown\u003c\/h2\u003e\u003cp\u003eThe Bently Nevada 990-08-50-01-00 is engineered for accuracy and reliability. Below are key performance metrics derived from the product data:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-Scale Range:\u003c\/strong\u003e 0-8 mils pp (0-200 μm pp) – option code 08 ensures compatibility with standard vibration monitoring thresholds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Length:\u003c\/strong\u003e 5.0 meters (16.4 feet) – option code 50 provides optimal cable length for typical installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 35 mm DIN rail clips – option code 01 simplifies panel integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e Requires +12 to +35 Vdc input at the transmitter terminal, allowing flexible integration with existing control systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoop Accuracy:\u003c\/strong\u003e Within ±1.5% over specified full-scale range (measured with 250 Ω load), ensuring dependable data for condition monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 5 Hz to 6,000 Hz +0, -3 dB – covers common machine vibration frequencies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Limiting:\u003c\/strong\u003e 23 mA typical protects against loop faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.43 kg (0.9 lbm) – lightweight for easy handling.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThe Bently Nevada 990-08-50-01-00 excels in environments where machine health is paramount. Typical use cases include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump vibration monitoring:\u003c\/strong\u003e In petrochemical plants, early detection of impeller imbalance prevents seal failures. The 990-08-50-01-00’s 5 Hz to 6,000 Hz frequency range captures both low-speed runout and high-frequency blade pass vibrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompressor protection:\u003c\/strong\u003e For centrifugal compressors, the transmitter’s \u0026lt;1.5% loop accuracy ensures reliable shutdown decisions. The NOT OK\/signal defeat feature triggers within 100 µs if the probe signal is lost, minimizing risk of catastrophic damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFan and blower monitoring:\u003c\/strong\u003e In HVAC or industrial ventilation, the 990-08-50-01-00’s 0-8 mils full-scale range is ideal for detecting imbalance and bearing wear. DIN rail mounting simplifies retrofit into existing cabinets.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation \u0026amp; Setup Guidance\u003c\/h2\u003e\u003cp\u003eProper installation maximizes the 990-08-50-01-00’s performance. Key steps:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe gap:\u003c\/strong\u003e Ensure the proximity probe is gapped between 0.5 and 1.75 mm (20-55 mils) from the target to achieve full-scale range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Connect +12 to +35 Vdc at the transmitter terminals. The loop resistance must not exceed 1,000 Ω (including cable) at 35 Vdc to maintain accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Use the 35 mm DIN rail clips provided (option 01) for secure attachment inside a control panel. Keep the BNC connector for Proximitor Sensor output within 3 meters of the transmitter to avoid signal degradation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero and span adjustments:\u003c\/strong\u003e Non-interacting external potentiometers allow fine-tuning without affecting each other.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eThe Bently Nevada 990-08-50-01-00 is built for minimal maintenance. Routine checks include verifying the probe gap and loop resistance. The transmitter’s current limiting (23 mA typical) protects against short circuits. In case of a Not OK condition, the output drops below 3.6 mA within 100 µs and automatically restores 2-3 seconds after the fault is cleared, reducing false trips. No scheduled calibration is required beyond standard system validation per your plant’s procedures.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eWhen sourcing the Bently Nevada 990-08-50-01-00, verify the full-scale option (08), system length (50), mounting (01), and agency approval (00) match your application requirements. For dependable supply, contact ubest101 – a trusted industrial automation parts supplier. They stock genuine Bently Nevada modules to minimize downtime. Ensure your system can accommodate the +12 to +35 Vdc power requirement and that the probe is a compatible 3300 NSv type.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default","offer_id":44416604143715,"sku":"990-08-50-01-00","price":224.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/990-08-70-02-CN-1.jpg?v=1785246062","url":"https:\/\/www.plcsourcepro.com\/products\/bently-nevada-990-08-50-01-00-industrial-automation-module","provider":"PLC Source PRO","version":"1.0","type":"link"}