This dedicated fan monitor provides continuous protection for critical industrial fans and blowers. It tracks vibration, speed, and temperature parameters to identify developing mechanical issues early. The monitor helps prevent catastrophic failures and unplanned downtime in plant operations.
Monitoring Capabilities and Input Configuration
The Bently Nevada 1900/55-02-01-01-00 accepts signals from proximity probes, accelerometers, or velocity sensors for comprehensive vibration measurement. It continuously monitors fan vibration amplitude and frequency, detecting imbalance, looseness, and bearing wear. The device also tracks rotational speed and temperature inputs for a complete machine health picture. Users can configure alert and danger alarm thresholds to suit specific application requirements.
Technical Specifications
| Specification | Detail |
|---|---|
| Model | 1900/55-02-01-01-00 |
| Product Type | Fan Monitor / General Purpose Equipment Monitor |
| Input Types | Proximity probe, accelerometer, velocity sensor |
| Input Sensitivity | 100 mV/g |
| Maximum Acceleration | 20 g |
| Frequency Response | 10 Hz to 1 kHz (typical) |
| Outputs | 4-20 mA analog, relay contacts (alarm/trip) |
| Display | LCD for real-time data reading |
| Communication | Modbus RTU via RS-485 or Ethernet option |
| Power Supply | 24 VDC (100-240 VAC option) |
| Power Consumption | 4.75W to 5W typical |
| Operating Temperature | -30°C to +75°C |
| Weight | 0.5 kg to 1.03 kg |
| Mounting | DIN rail or panel |
| Certifications | CE, UL |
Outputs and System Integration
The monitor provides 4-20 mA analog outputs proportional to measured vibration levels for seamless DCS or PLC integration. It also includes relay outputs for alert and danger conditions, enabling automatic shutdown or alarm annunciation. An optional Modbus communication module allows data exchange with SCADA systems and plant networks. The local LCD display simplifies on-site status checks and parameter adjustments.
Application Use
Industrial fans in power generation, oil and gas, chemical processing, mining, and HVAC systems benefit from this monitor’s protection. It detects developing faults such as rotor imbalance, bearing wear, blade damage, and misalignment. The monitor’s rugged construction suits harsh environments with wide temperature ranges and vibration exposure. Its cost-effective design extends continuous monitoring to previously unprotected fan assets.
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