{"product_id":"bently-nevada-991-25-70-01-05-industrial-automation-module","title":"Bently Nevada 991-25-70-01-05 Industrial Automation Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eBently Nevada 991-25-70-01-05\u003c\/strong\u003e is a precision Probe Vibration Transmitter designed for industrial axial thrust monitoring. This \u003cstrong\u003e991-25-70-01-05\u003c\/strong\u003e model replaces older thrust transmitters with enhanced accuracy and environmental robustness, ideal for upgrading turbine and compressor protection systems. As part of Bently Nevada's trusted series, this module ensures reliable 4-20 mA loop output for seamless integration into existing control systems.\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 Range\u003c\/td\u003e\n\u003ctd\u003e25-0-25 mils (0.6-0-0.6 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length\u003c\/td\u003e\n\u003ctd\u003e7.0 meters (23.0 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN-rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e4-20 mAdc over full-scale range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc at transmitter terminal\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 (typical)\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\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-35°C to +85°C (-31°F to +185°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-51°C to +100°C (-60°F to +212°F)\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\u003cp\u003eThe \u003cstrong\u003e991-25-70-01-05\u003c\/strong\u003e accepts one non-contacting 3300 NSv proximity probe and extension cable, converting axial displacement to a linear 4-20 mA signal. Non-interacting zero and span adjustments simplify calibration.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup Guidance\u003c\/h2\u003e\u003cp\u003eMount the \u003cstrong\u003eBently Nevada 991-25-70-01-05\u003c\/strong\u003e on a standard 35 mm DIN rail using the included clips. Ensure the probe tip is positioned correctly for axial thrust measurement per the system length option of 7.0 meters. Power the transmitter with +12 to +35 Vdc, observing polarity. Connect the 4-20 mA loop to a 250 Ω resistance (typical) for accuracy verification. The transmitter’s Not OK function forces output below 3.6 mA within 100 µs upon fault, restoring within 0.1 seconds.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eThis transmitter operates reliably from -35°C to +85°C, making it suitable for harsh environments. Periodic inspection of cable integrity and connector cleanliness ensures consistent performance. The sealed enclosure and rugged DIN-rail mount reduce vibration-induced failures. When upgrading, the \u003cstrong\u003eBently Nevada 991-25-70-01-05\u003c\/strong\u003e offers extended lifecycle support compared to earlier models.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eWhen ordering, verify the full-scale option (-25 for 25-0-25 mils) and agency approval option (-05 for CSA\/ATEX\/ABS maritime). Ensure the total system length (including probe cable) matches application requirements. For reliable supply of this \u003cstrong\u003e991-25-70-01-05\u003c\/strong\u003e module, contact \u003cstrong\u003ePLC Source PRO\u003c\/strong\u003e (formerly at ubest101) for fast fulfillment and technical support. Always confirm environmental limits match your site conditions.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default","offer_id":44416892338275,"sku":"991-25-70-01-05","price":298.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/991-25-70-01-CN_230f8404-a5fc-4eef-b719-99c15909738a.jpg?v=1785255321","url":"https:\/\/www.plcsourcepro.com\/products\/bently-nevada-991-25-70-01-05-industrial-automation-module","provider":"PLC Source PRO","version":"1.0","type":"link"}