Product Overview
The Bently Nevada 125672-02 3500/42 Proximitor/Seismic Monitor continuously measures inputs from Proximitor and seismic transducers. It triggers alarms based on radial vibration, thrust, eccentricity, differential expansion, acceleration, and velocity. Moreover, the module is configurable using the 3500 Rack Configuration Software to meet specific monitoring requirements.
Its compatibility with high-temperature and high-frequency interface modules allows installation across diverse industrial environments. Therefore, users can implement comprehensive machinery condition monitoring with high confidence.
Functional Highlights
This four-channel monitor enhances predictive maintenance and equipment protection by accurately processing multiple transducer signals.
Key Benefits:
- Multi-Channel Support: Accepts 1–4 transducer inputs for flexible monitoring.
- Transducer Compatibility: Supports Proximitor, Velomitor, and other Bently Nevada sensors.
- Robust Signal Conditioning: Maintains ±0.33% typical accuracy across multiple filter options.
- Buffered Outputs: Short-circuit protected coaxial outputs ensure reliable signal transmission.
- Operational Indicators: Front panel LEDs display OK, TX/RX, and Bypass status.
Technical Data
| Parameter | Specification |
|---|---|
| Inputs | 1–4 channels |
| Input Impedance | Standard I/O: 10 kΩ; TMR I/O: 50–150 kΩ |
| Power Consumption | 7.7 W nominal |
| Sensitivity | Radial/Thrust/Eccentricity: 3.94 or 7.87 mV/µm; Differential Expansion: 0.394 or 0.787 mV/µm; Acceleration: 10 mV/(m/s²); Velocity: 4–20 mV/(mm/s) |
| Transducer Supply | -24 VDC, current-limited |
| Recorder Output | +4 to +20 mA, proportional, short-circuit unaffected |
| Signal Conditioning | Radial vibration: 4–4000 Hz or 1–600 Hz user-programmable; Accuracy ±0.33% typical |
| Operating Temperature | -30°C to 65°C (with I/O module), 0°C to 65°C (with barrier I/O) |
| Storage Temperature | -40°C to 85°C |
| Humidity | Up to 95% non-condensing |
| Dimensions | 241.3 × 24.4 × 241.8 mm (9.50 × 0.96 × 9.52 in) |
| Weight | 0.91 kg (2.0 lbs) |
System Integration
The 125672-02 integrates seamlessly with 3500 Series Racks and other Bently Nevada monitoring modules. In addition, it can process inputs from both Proximitor and seismic sensors to provide alarms and recorder outputs for critical rotating machinery. This capability makes it ideal for turbines, compressors, and generators where precise vibration and position monitoring are essential.
The module also supports high-speed digital configuration, enabling easy adaptation to different plant monitoring requirements.
Details
| Weight | 0.91 kg |
|---|
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