{"product_id":"bently-nevada-1900-65a-01-01-02-00-00-general-purpose-equipment-monitor","title":"Bently Nevada 1900\/65A-01-01-02-00-00 General Purpose Equipment Monitor","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eProviding dedicated, continuous machinery protection in space-constrained or standalone applications, the \u003cstrong\u003eBently Nevada 1900\/65A\u003c\/strong\u003e functions as a self-contained, four-channel general-purpose monitor. This system is engineered to track critical dynamic variables such as vibration, velocity, acceleration, or shaft displacement, alongside direct temperature inputs. This specific configuration, model number \u003cstrong\u003e1900\/65A-01-01-02-00-00\u003c\/strong\u003e, integrates an AC\/DC universal power supply, an attached display module, expanded relay\/recorder outputs, and Modbus communications. By processing sensor signals directly at the machine face, it delivers instantaneous alarm and trip capabilities to prevent catastrophic mechanical failures.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eFour configurable transducer channels supporting proximity probes, accelerometers, or velocity sensors.\u003c\/li\u003e\n  \u003cli\u003eFour dedicated temperature channels compatible with RTDs and Type E, J, K, or T thermocouples.\u003c\/li\u003e\n  \u003cli\u003eSix programmable SPDT relay outputs for flexible trip-multiply and alarm voting configurations.\u003c\/li\u003e\n  \u003cli\u003eFour 4 to 20 mA analog outputs for direct PLC\/DCS chart recording integration.\u003c\/li\u003e\n  \u003cli\u003eIntegrated display interface providing real-time channel readings, alarm statuses, and system diagnostics.\u003c\/li\u003e\n  \u003cli\u003eDual Modbus communications supporting both Modbus RTU (serial) and Modbus TCP\/IP (Ethernet) protocols.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eBalance-of-plant machinery monitoring including cooling tower fans, industrial blowers, and air handlers.\u003c\/li\u003e\n  \u003cli\u003eContinuous vibration tracking for centrifugal and positive displacement water pumps.\u003c\/li\u003e\n  \u003cli\u003eThermal and dynamic oversight of large-frame electric induction motors.\u003c\/li\u003e\n  \u003cli\u003eProtection of small reciprocating and screw-type gas compressors.\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;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2d3748;\"\u003e\n        \u003cth style=\"padding: 8px; text-align: left; font-weight: bold;\"\u003eOption Code\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; text-align: left; font-weight: bold;\"\u003eDescription\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; text-align: left; font-weight: bold;\"\u003eConfigured Status\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: 8px;\"\u003e01\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003ePower Option: 85 to 264 Vac (50\/60 Hz) \/ 120 to 370 Vdc\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eIncluded\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e01\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eDisplay Option: Combined Display\/Modbus\/RTD\/TC module (Attached)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eIncluded\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e02\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eI\/O Option: 6 Relays, 4 Recorder Outputs, Modbus RTU \u0026amp; TCP\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eIncluded\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e00\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eApprovals: Non-Hazardous Area (Standard)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eIncluded\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e00\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eMounting Option: Standard Panel\/Wall Mount bracket\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eIncluded\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;\"\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold; width: 30%;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eBently Nevada\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eModel Series\u003c\/td\u003e\n        \u003ctd style=\"padding: 1900\/65A General Purpose Equipment Monitor\"\u003e1900 Series\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eSupply Voltage Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e85 to 264 Vac, 47 to 63 Hz, or 120 to 370 Vdc\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eDynamic Signal Inputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e4 Channels (Supports Proxmitiy, Acceleration, or Velocity transducers)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eTransducer Power Output\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e-24 Vdc, up to 40 mA per channel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eTemperature Sensor Support\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e3-wire platinum RTD (100 ohm), Type J, K, T, or E Thermocouples\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eRelay Contact Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eSPDT, 5 A at 250 Vac \/ 5 A at 30 Vdc (resistive load)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eEthernet Port\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e10\/100 Base-T (Modbus TCP\/IP, configuration port)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e-20 to +70 degC (-4 to +158 Fahrenheit)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eUnited States\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e2.5 kg (5.5 lbs)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003ePackage Dimensions (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e280 x 220 x 180 mm (11.0 x 8.7 x 7.1 inches)\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\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe \"A\" designation represents the enhanced version of the legacy 1900\/65 monitor. While the standard wiring footprints are highly compatible, the 1900\/65A introduces upgraded internal processing capabilities and extended Modbus mapping ranges. When substituting older modules with the 1900\/65A-01-01-02-00-00, verify that your SCADA\/PLC Modbus polling register maps have been updated to reflect the new contiguous parameter locations.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eEnsure that total transducer excitation current does not exceed the internal rail limits. While the unit provides native -24 Vdc sensor power, drawing maximum current simultaneously on all channels at high ambient temperatures (above 60 degC) can accelerate thermal fatigue of the internal DC\/DC converter. If using heavy-current active accelerometers, verify the total load beforehand.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eTo prevent electromagnetic interference from corrupting critical vibration readings, always land the transducer cable shields directly at the monitor's dedicated shield terminals. Never ground the shield at both ends, as this will introduce a ground loop capable of distorting the high-frequency AC components of your dynamic signals.\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;\"\u003e\n  \u003cp style=\"font-weight: bold; color: #9b2c2c; margin: 0 0 0.5rem 0;\"\u003eCRITICAL WARNING\u003c\/p\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eIsolate and lock out all high-voltage power lines feeding the machine and monitor enclosure prior to termination. Dangerous voltages can be present on the relay contacts even when the main unit is powered off. Wait a minimum of 5 minutes for residual capacitive charges to dissipate before removing internal terminal assemblies.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 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;\"\u003e1\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eMount the monitor securely in a NEMA-rated or IP-rated enclosure suited to the industrial environment to protect against dust and liquid ingress.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 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;\"\u003e2\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eTerminate AC power to terminals L, N, and PE using a minimum of 1.5 mm2 (16 AWG) wire with an inline overcurrent protection device.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 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;\"\u003e3\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eWire the vibration transducers and temperature sensors to their respective terminal blocks, observing polarities and ensuring proper shield single-point grounding.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 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;\"\u003e4\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eConnect the network configuration cable to the Ethernet port and use the Bently Nevada software to define alarm setpoints and channel scale factors.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668309995883,"sku":"1900\/65A-01-01-02-00-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/190065A-01-01-02-00-00-41sgqmsxx24_aafe6e2d-dee8-4b54-bac6-37d1974d5750.jpg?v=1765520815","url":"https:\/\/www.plcprotech.com\/ms\/products\/bently-nevada-1900-65a-01-01-02-00-00-general-purpose-equipment-monitor","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}