Bently Nevada 1900/65A 172323-01 General Purpose Equipment Monitor

The Bently Nevada 1900/65A is a compact standalone machinery monitor designed for continuous condition monitoring of general rotating equipment. It accepts vibration, displacement and temperature signals from field sensors and delivers real-time machinery health assessment without large rack-based monitoring systems.

This monitor supports flexible channel configuration, multi-type sensor access and configurable alarm logic. Equipped with analog outputs, relay alarm contacts and Modbus communication, it can seamlessly connect to DCS, PLC and SCADA systems, widely used for equipment retrofitting, predictive maintenance and spare part replacement across multiple process industries.

Main Specifications

• Brand: Bently Nevada (Baker Hughes)
• Model: 1900/65A
• Product Type: General Purpose Equipment Monitor
• Input: 4 transducer channels + 4 temperature measurement channels
• Support accelerometers, velocity sensors and proximity probes
• Temperature input: RTD, Type E/J/K/T thermocouples
• Output: 6 relay outputs, 4 channels 4~20mA analog outputs
• Communication: Modbus gateway for upper system data exchange
• Installation: DIN rail or panel mounting
• Operating Temperature Range: -40°C ~ +70°C

Core Functions

• Continuously monitor vibration, axial position and bearing temperature of rotating machinery
• Set independent Alert and Danger thresholds to realize early warning and protection interlock
• Convert monitoring data into standard 4~20mA signals for transmission to control systems
• Store historical event logs to support post-failure equipment fault analysis
• Built-in sensor circuit detection to identify open circuit and short circuit faults
• Buffered sensor signal output facilitates on-site signal debugging and inspection
• Realize remote data access and parameter configuration via Modbus communication
• Compact structure saves cabinet space compared with rack monitoring systems
• Resist industrial electromagnetic interference for stable long-term continuous operation
• Support fast replacement during equipment maintenance to reduce production downtime

Application Scenarios

• Cooling tower fans, industrial blowers and auxiliary fan monitoring systems
• Water supply pumps, oil transfer pumps and centrifugal pump condition protection units
• Air compressors, small reciprocating compressors and turbine auxiliary equipment
• Thermal power plant auxiliary rotating machinery monitoring cabinets
• Oil & gas station pump and small compressor monitoring equipment
• Petrochemical plant medium and small rotating equipment protection systems
• Pulp & paper factory processing equipment vibration monitoring units
• Mining auxiliary fans, conveyors and crusher monitoring devices
• Upgrading and reconstruction of legacy machinery protection systems
• Rotating equipment predictive maintenance spare parts replacement projects