{"product_id":"bently-nevada-87890-01-3300-series-system-monitor","title":"Bently Nevada 87890-01 3300 Series System Monitor","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 87890-01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a central system monitor for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3300 Series\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003evibration monitoring system. It ensures rack integrity by managing power-up sequences, voltage health, and system-wide reset functions. Featuring a 2-second\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePower-up Inhibit\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto prevent nuisance alarms and supporting both AC and DC power inputs, this module provides the foundational safety and diagnostic oversight required for critical rotating machinery.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e87890-01\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBently Nevada\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSystem Monitor (3300 Series)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Supply:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e18-36 VDC \/ 85-264 VAC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u0026lt; 15 Watts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVoltage Monitoring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e+VRH, +VRL, +7.5V, +5V, REF, -7.5V, -VT\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower-up Inhibit Duration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eApprox. 2 Seconds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e-20°C to +65°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2.8 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnited States\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features and Engineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntelligent Power-up Inhibit:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAutomatically suppresses alarms for 2 seconds during startup or voltage drops. This prevents \"nuisance trips\" that can occur as electronic components stabilize, ensuring the machine only trips during genuine fault conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eComprehensive Voltage Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eContinuously monitors seven critical internal voltage rails. The front-panel\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\"SUPPLIES OK\"\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLED and internal diagnostic LEDs allow technicians to verify power integrity at a glance, simplifying troubleshooting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Power Input:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCompatible with a wide range of power sources (\u003cstrong\u003e85-264 VAC or 18-36 VDC\u003c\/strong\u003e), making it suitable for global industrial standards and diverse plant power architectures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExternal Bypass Functionality:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports an external contact closure to bypass all monitors and disable alarms. This is essential during specialized maintenance or testing routines where the rack must remain powered without triggering machine shutdowns.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCentralized System Reset:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProvides both a physical front-panel switch and remote terminal connections (on the Power Input Module) to clear latched alarms and reset the system OK relay.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":47032109334718,"sku":"87890-01","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-04-29_18-02-17_a0311343-31ca-44a8-aaa3-dbe03bcfbab9.png?v=1778571895","url":"https:\/\/www.autooiltech.com\/products\/bently-nevada-87890-01-3300-series-system-monitor","provider":"AutoOilTech Limited","version":"1.0","type":"link"}