{"product_id":"bently-nevada-3500-46m-hydro-monitoring-module","title":"Bently Nevada 3500\/46M Hydro Monitoring Module","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFour-Channel Hydro Monitoring Module\u003c\/strong\u003e from the Bently Nevada 3500 Series is designed for vibration, position, air gap, and dynamic pressure measurements in hydroelectric machinery. It accepts input from proximity, seismic, dynamic pressure, and air gap sensors. The module supports multimode configuration for machine state-based monitoring, ensuring reliable protection for hydro turbines and other rotating equipment in hydroelectric plants.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Assembly:\u003c\/strong\u003e 3500\/46M\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 4 (configured in pairs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Inputs:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eProximity probes (e.g., 3300 XL)\u003c\/li\u003e\n\u003cli\u003eSeismic transducers (Velomitor, accelerometers)\u003c\/li\u003e\n\u003cli\u003eDynamic pressure sensors (e.g., 350300 series)\u003c\/li\u003e\n\u003cli\u003eAir gap sensors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eProx\/Accel: 10 kΩ\u003c\/li\u003e\n\u003cli\u003eVelomitor: 3.5 MΩ\u003c\/li\u003e\n\u003cli\u003eMultimode Positive I\/O: 50 kΩ\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity (typical):\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eRadial Vibration: 0.79–7.87 mV\/μm\u003c\/li\u003e\n\u003cli\u003eAir Gap: 0.20–0.55 mV\/μm\u003c\/li\u003e\n\u003cli\u003eVelocity: 20 mV\/mm\/s\u003c\/li\u003e\n\u003cli\u003eAcceleration: 1.02–2.55 mV\/m\/s²\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 7.7 W typical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecorder Outputs:\u003c\/strong\u003e 4–20 mA per channel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Impedance:\u003c\/strong\u003e 550 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Compliance:\u003c\/strong\u003e 0–12 Vdc across load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 0.3662 μA\/bit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpdate Rate:\u003c\/strong\u003e ≤100 ms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatus LEDs:\u003c\/strong\u003e OK, TX\/RX, Bypass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e –40°C to +85°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHumidity:\u003c\/strong\u003e 5–95% RH non-condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e CSA, ATEX, IECEx (option-dependent)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVibration, position, air gap, and dynamic pressure monitoring\u003c\/li\u003e\n\u003cli\u003eMultimode configuration with up to 8 machine states\u003c\/li\u003e\n\u003cli\u003eAlarm voting logic and mode-specific thresholds\u003c\/li\u003e\n\u003cli\u003eBuffered transducer outputs (short-circuit protected)\u003c\/li\u003e\n\u003cli\u003eIntegrated signal conditioning and filtering\u003c\/li\u003e\n\u003cli\u003eSupports Hydro SEW (Stator End Winding) monitoring\u003c\/li\u003e\n\u003cli\u003eCompatible with 3500 Rack Configuration Software\u003c\/li\u003e\n\u003cli\u003eDiagnostic functions for sensor faults and wiring issues\u003c\/li\u003e\n\u003cli\u003eAPI 670 compliance for hydro turbine protection\u003c\/li\u003e\n\u003cli\u003eHot-swap capability without rack shutdown\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eOrdering Information\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitor Module:\u003c\/strong\u003e 3500\/46M\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Module Options:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eProx\/Velom I\/O (internal\/external termination)\u003c\/li\u003e\n\u003cli\u003eMultimode Prox\/Velom I\/O\u003c\/li\u003e\n\u003cli\u003eMultimode Positive Input I\/O\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAgency Approvals:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e00 = None\u003c\/li\u003e\n\u003cli\u003e01 = CSA\/NRTL\/C (Class 1, Div 2)\u003c\/li\u003e\n\u003cli\u003e02 = ATEX\/CSA (Class 1, Zone 2)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware Requirement:\u003c\/strong\u003e Compatible with 3500\/22M TDI Rev G or later\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 1 full-height front slot + 1 full-height rear slot\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":42451203391555,"sku":"3500\/46M","price":234.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/5810\/3107\/files\/3500_46M.png?v=1753773654","url":"https:\/\/www.plcdcspro.com\/products\/bently-nevada-3500-46m-hydro-monitoring-module","provider":"PLC DCS Pro Ltd.","version":"1.0","type":"link"}