Bently Nevada 1900/55 General Purpose Monitor
Product Overview
The Bently Nevada 1900/55 is a cost-effective, general purpose machinery monitor designed to protect a wide range of rotating equipment such as pumps, fans, compressors, and electric motors. It provides continuous monitoring of vibration, temperature, and other process variables, triggering alarms when preset thresholds are exceeded. The 1900/55 is an ideal solution for facilities seeking to extend protection to non-critical assets without the complexity of larger systems.
Key Features
Accepts inputs from ICP® accelerometers, velocity sensors, and 4-20mA temperature transmitters
Two configurable alarm relays (SPDT) for alert and danger conditions
Buffered output for each channel for diagnostic analysis
4-20 mA analog output proportional to measured value
Local LCD display for real-time reading and setup
Compact DIN rail mount enclosure
Technical Specifications
Model: 1900/55
Input Channels: 2 (vibration) + 1 (temperature) optional
Vibration Range: 0-25 mm/s RMS or 0-50 µm displacement
Temperature Range: -50°C to +500°C (with appropriate sensor)
Frequency Response: 10 Hz to 1 kHz
Power Supply: 24 VDC or 100-240 VAC
Alarm Outputs: 2 relays, 5A @ 250VAC
Operating Temperature: -20°C to +60°C
Applications
The 1900/55 is suitable for monitoring fans, cooling tower motors, centrifugal pumps, and small compressors in industries like HVAC, water treatment, food processing, and general manufacturing. It helps detect developing faults such as bearing wear, unbalance, and misalignment, allowing for planned maintenance.
Benefits
With its easy installation and setup, the 1900/55 brings advanced monitoring capabilities to previously unprotected machinery. Its local display simplifies on-site inspection, and the analog output enables integration with plant control systems for trend analysis. The robust design ensures reliable operation in harsh environments.
Conclusion
The Bently Nevada 1900/55 general purpose monitor is an economical yet powerful tool for improving machinery reliability. By providing early warning of mechanical issues, it helps avoid unexpected downtime and reduces maintenance costs.
