Product Description
The Bently Nevada 140734-02 3500/42M Proximitor Seismic Monitor is a four-channel module designed for real-time vibration and position monitoring of industrial machinery. It accepts proximity, velocity, or acceleration transducer inputs and continuously compares measured parameters against alarm setpoints.
Moreover, the 3500/42M conditions each signal into engineering units, providing accurate data to operators and maintenance teams. Its modular design ensures seamless integration within Bently Nevada 3500 racks, making it ideal for predictive maintenance and machine protection applications.
Functional Highlights
- Multi-Channel Input: Supports up to four independent vibration or displacement channels.
- Signal Conditioning: Converts raw transducer signals into vibration, thrust, or eccentricity measurements.
- Real-Time Alarming: Continuously compares signal levels against configured thresholds for safety assurance.
- Integrated Communication: TX/RX LED indicates active communication with other 3500 system modules.
- Energy Efficiency: Operates with a typical power consumption of 7.7 Watts, optimizing rack performance.
In addition, the module features OK and Bypass indicators, allowing quick diagnostic checks and maintenance visibility.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | 140734-02 |
| Channels | 4 independent monitoring channels |
| Supported Inputs | Proximity, velocity, or acceleration transducers |
| Transducer Power Supply | -24 Vdc |
| Power Consumption | 7.7 Watts typical |
| Output Impedance | 550 Ω (buffered outputs) |
| Recorder Output | 4–20 mA proportional to full-scale value |
| Signal Sensitivity | Application-dependent (radial vibration, thrust, etc.) |
| LED Indicators | OK, TX/RX, Bypass |
| Dimensions (H × W × D) | 241.3 × 24.4 × 241.8 mm (9.50 × 0.96 × 9.52 in) |
| Weight | 0.91 kg (2.0 lb) |
| Mounting Type | Fits Bently Nevada 3500 rack slots |
| Application Areas | Vibration and seismic monitoring for rotating machinery |
System Integration
The 3500/42M Proximitor Seismic Monitor integrates easily into existing Bently Nevada 3500 monitoring systems. Therefore, it supports comprehensive machine protection by transmitting processed data to system interfaces or control networks.
It works effectively in environments such as:
- Power generation units for turbine vibration analysis.
- Petrochemical plants monitoring pumps, compressors, and motors.
- Manufacturing facilities where condition-based maintenance improves uptime.
For instance, pairing the 140734-02 with compatible transducers allows seamless vibration analysis and alarm management in critical machinery zones.
Details
| Weight | 0.91 kg |
|---|

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