{"product_id":"bently-nevada-1900-65a-00-00-03-00-00-general-purpose-equipment-monitor","title":"Bently Nevada 1900\/65A-00-00-03-00-00 General Purpose Equipment Monitor","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eProviding dedicated, continuous machine-level machinery protection, the \u003cstrong\u003eBently Nevada 1900\/65A-00-00-03-00-00\u003c\/strong\u003e functions as a rugged, standalone four-channel monitor configured for critical machinery parameters such as vibration, temperature, position, and speed. The \u003cstrong\u003e1900\/65A\u003c\/strong\u003e series architecture integrates transducer conditioning, alarm detection, and output relays into a single, compact system. This specific variation operates on \u003cstrong\u003e18 to 36 Vdc\u003c\/strong\u003e power, features \u003cstrong\u003eno local display\u003c\/strong\u003e for streamlined remote control configurations, and is safely housed inside a weatherproof \u003cstrong\u003eFiberglass NEMA 4X\/IP66\u003c\/strong\u003e enclosure with a clear viewing window. By combining dynamic dynamic-channel processing with static temperature inputs, it reliably monitors cooling towers, small pumps, and industrial fans without requiring a larger rack-based DCS framework.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003eFour dynamic input channels compatible with acceleration, velocity, or proximity sensors.\u003c\/li\u003e\n  \u003cli\u003eTwo dedicated temperature channels accepting 3-wire RTD or Type E, J, K, and T thermocouples.\u003c\/li\u003e\n  \u003cli\u003eSix configurable relay outputs (four SPDT alarm relays and two system-status relays) for direct equipment trip control.\u003c\/li\u003e\n  \u003cli\u003eFour 4-20 mA analog outputs providing continuous telemetry data to external PLCs or SCADA platforms.\u003c\/li\u003e\n  \u003cli\u003eNEMA 4X\/IP66-rated fiberglass housing with a transparent door window for field monitoring in harsh environments.\u003c\/li\u003e\n  \u003cli\u003eNo display configuration reduces auxiliary power requirements and prevents unauthorized field tampering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003eCooling tower fan gearboxes and structural vibration monitoring.\u003c\/li\u003e\n  \u003cli\u003eIndustrial air compressors and processing blowers.\u003c\/li\u003e\n  \u003cli\u003eElectric motors, centrifugal pumps, and secondary water circulation loops.\u003c\/li\u003e\n  \u003cli\u003eSmall-scale steam and gas turbines in cogeneration plants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2d3748;\"\u003e\n        \u003cth style=\"padding: 0.5rem; font-weight: bold;\"\u003eOption Code\u003c\/th\u003e\n        \u003cth style=\"padding: 0.5rem; font-weight: bold;\"\u003eOption Type\u003c\/th\u003e\n        \u003cth style=\"padding: 0.5rem; font-weight: bold;\"\u003eConfiguration Detail\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e1900\/65A\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eBase Model\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eGeneral Purpose Equipment Monitor\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e00\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003ePower Option\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e18 to 36 Vdc\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e00\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eDisplay Option\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eNo local display unit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e03\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eMounting Option\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eFiberglass NEMA 4X\/IP66 WP housing with window in door\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e00\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eApprovals Option\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eNo hazardous area approvals\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e00\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eCommunications\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eNone (Standard Analog\/Relay Interface Only)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2d3748;\"\u003e\n        \u003cth style=\"padding: 0.5rem; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 0.5rem; font-weight: bold;\"\u003eSpecification value\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eSupply Voltage Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e18 to 36 Vdc (24 Vdc nominal)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003ePower Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e3.0 Watts typical, 8.0 Watts maximum\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eDynamic Signal Inputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e4 channels, supports Proximitor, Accelerometers, and Velomitors\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eTemperature Inputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e2 channels, RTD (3-wire 100 ohm Platinum) or Thermocouples (E, J, K, T)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eRelay Outputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e4 programmable alarm relays, 2 system status relays (SPDT, 5 A at 250 Vac)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eAnalog Recorder Outputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eFour 4 to 20 mA outputs (internally powered, max loop resistance 600 ohms)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eFrequency Response\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e0.2 Hz to 20,000 Hz (sensor dependent)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eEnclosure Classification\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eNEMA 4X \/ IP66 Weatherproof\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e-20 to +70 degC (-4 to +158 degF)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eNet Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e0.77 kg (1.7 lbs) (excluding enclosure)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 2.00 kg (4.4 lbs) (with NEMA 4X enclosure pack);\"\u003e2.00 kg (4.4 lbs)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003ePackage Dimensions (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e320 mm x 240 mm x 180 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eBently Nevada (Baker Hughes)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eUnited States\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2d3748;\"\u003e\n        \u003cth style=\"padding: 0.5rem; font-weight: bold;\"\u003eTerminal Block\u003c\/th\u003e\n        \u003cth style=\"padding: 0.5rem; font-weight: bold;\"\u003ePin \/ Designation\u003c\/th\u003e\n        \u003cth style=\"padding: 0.5rem; font-weight: bold;\"\u003eFunction \/ Circuit Assignment\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eTB1\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003ePower (+), Power (-), GND\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e18-36 Vdc Power Connection \u0026amp; Chassis Ground\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eTB2\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eCh 1 \u0026amp; Ch 2 (+ \/ - \/ S)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eDynamic Transducer Inputs (Proximity \/ Accelerometers)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eTB3\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eCh 3 \u0026amp; Ch 4 (+ \/ - \/ S)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eDynamic Transducer Inputs (Proximity \/ Accelerometers)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eTB4\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eA, B, C (Ch 5 \u0026amp; Ch 6)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eRTD Leads or Thermocouple Cold Junction Inputs\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eTB5\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eRelay 1 to Relay 4\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eSPDT Dry Contact Alarm Interlocks\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\u003ch4\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe 1900\/65A series directly replaces the older legacy 1900\/65 platforms. However, configuration files created under the non-A version cannot always be uploaded directly without validation. Ensure you run Bently Nevada Configuration Software Version 1.4 or higher to translate older configuration profiles into the 1900\/65A firmware structure.\u003c\/p\u003e\n\n\u003ch4\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eBecause this model features the \u003cstrong\u003e00 (No Display)\u003c\/strong\u003e option, local physical troubleshooting is restricted to internal LED status indicators. For remote locations, configure the four 4-20 mA outputs to stream directly to a control room DCS to track individual sensor health and prevent blind operation. Additionally, ensure the internal NEMA 4X housing temperature does not consistently exceed 70 degC when switching inductive relay loads at maximum current limits.\u003c\/p\u003e\n\n\u003ch4\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eAlways isolate dynamic signal shields from structural earth at the machine end. Sensor shields must terminate strictly at the monitor's TB2 and TB3 shield contacts. Running a single-point ground layout back to the central DC common minimizes high-frequency electromagnetic noise from variable-frequency drives (VFDs) that could otherwise trigger false dynamic alerts.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem; color: #9b2c2c;\"\u003e\n  \u003cstrong\u003eCRITICAL WARNING:\u003c\/strong\u003e Ensure all primary and auxiliary DC power sources are completely de-energized and locked out before removing the fiberglass cover or inserting wire connections. Verify that any high-voltage relay loads are fully isolated to prevent high-voltage arcing across adjacent terminals.\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 2rem; height: 2rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem;\"\u003e1\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eMount the NEMA 4X fiberglass enclosure securely to a rigid, vibration-free surface using standard mounting hardware to prevent auxiliary structural vibration from corrupting dynamic channel signals.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 2rem; height: 2rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem;\"\u003e2\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eRoute dynamic sensor cables and power cables through separate conduit entries to avoid cross-coupling noise on sensitive transducer circuits.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 2rem; height: 2rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem;\"\u003e3\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eTerminate the 18 to 36 Vdc power feeds on terminal block TB1, observing correct polarity to prevent trigger startup failure or protection loop faults.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 2rem; height: 2rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem;\"\u003e4\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eConnect your configuration computer to the internal serial port using the dedicated Bently Nevada programming interface to program sensor scales, trip limits, and dynamic filtering configurations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668303343979,"sku":"1900\/65A-00-00-03-00-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/1900-65a-00-00-03-00-00-xtm1ibaydbw_a4831169-4dc3-4e62-aeff-3a1955c7cf8f.jpg?v=1765520613","url":"https:\/\/www.plcprotech.com\/tr\/products\/bently-nevada-1900-65a-00-00-03-00-00-general-purpose-equipment-monitor","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}