Bently Nevada|3500/42 125972-02|Proximitor Seismic Monitor
Bently Nevada 3500/42 125972-02 Proximitor Seismic Monitor
Description
A 4-channel monitor for machinery protection, processing inputs from proximity and seismic transducers to measure vibration, position, and acceleration with programmable alarms.
Features
- Supports Radial Vibration, Thrust Position, Differential Expansion, Acceleration, Velocity, and REBAM®
- Channels operate in pairs (max 2 functions simultaneously)
- Front-panel LEDs: OK, TX/RX, Bypass
- Short-circuit protected buffered outputs
Technical Specifications
Inputs
- Channels: 4, accepting proximity/velocity/acceleration signals
- Impedance: 10 kΩ (proximity/acceleration)
-
Sensitivity
- Radial/Thrust/Eccentricity: 3.94 mV/µm or 7.87 mV/µm
- Differential Expansion: 0.394 mV/µm or 0.787 mV/µm
- REBAM: 40 mV/µm or 80 mV/µm
- Acceleration: 10 mV/(m/s²)
- Velocity: 20 mV/(mm/s) pk (configurable)
- Power Consumption: 7.7W typical
Outputs
- Buffered Outputs: 550 Ω impedance, -24Vdc supply
- Recorder Outputs: 4–20 mA, ±0.25% accuracy (room temp)
Signal Conditioning
-
Frequency Response
- Radial Vibration: 4 Hz–4 kHz (Direct), 0.09 Hz (Gap)
- Thrust/Expansion: 1.2 Hz (Direct), 0.41 Hz (Gap)
- Acceleration/Velocity: 10 Hz–30 kHz (unfiltered)
- Accuracy: ±0.33% typical, ±1% maximum for most values
Alarms
- Setpoints: 0–100% of full-scale, ±0.13% accuracy
-
Delays
- Alert: 1–60 sec
- Danger: 0.1–60 sec
Environmental
-
Operating Temperature
- -30°C to +65°C (standard)
- 0°C to +65°C (barrier I/O)
- Certifications: ATEX, cNRTLus, EN 61010-1, EMC Directive
Physical
- Dimensions: 241.3 × 24.4 × 241.8 mm (main module)
- Weight: 0.91 kg
Bently Nevada|3500/42 125972-02|Proximitor Seismic Monitor
Bently Nevada|3500/42 125972-02|Proximitor Seismic Monitor
Bently Nevada 3500/42 125972-02 Proximitor Seismic Monitor
Description
A 4-channel monitor for machinery protection, processing inputs from proximity and seismic transducers to measure vibration, position, and acceleration with programmable alarms.
Features
- Supports Radial Vibration, Thrust Position, Differential Expansion, Acceleration, Velocity, and REBAM®
- Channels operate in pairs (max 2 functions simultaneously)
- Front-panel LEDs: OK, TX/RX, Bypass
- Short-circuit protected buffered outputs
Technical Specifications
Inputs
- Channels: 4, accepting proximity/velocity/acceleration signals
- Impedance: 10 kΩ (proximity/acceleration)
-
Sensitivity
- Radial/Thrust/Eccentricity: 3.94 mV/µm or 7.87 mV/µm
- Differential Expansion: 0.394 mV/µm or 0.787 mV/µm
- REBAM: 40 mV/µm or 80 mV/µm
- Acceleration: 10 mV/(m/s²)
- Velocity: 20 mV/(mm/s) pk (configurable)
- Power Consumption: 7.7W typical
Outputs
- Buffered Outputs: 550 Ω impedance, -24Vdc supply
- Recorder Outputs: 4–20 mA, ±0.25% accuracy (room temp)
Signal Conditioning
-
Frequency Response
- Radial Vibration: 4 Hz–4 kHz (Direct), 0.09 Hz (Gap)
- Thrust/Expansion: 1.2 Hz (Direct), 0.41 Hz (Gap)
- Acceleration/Velocity: 10 Hz–30 kHz (unfiltered)
- Accuracy: ±0.33% typical, ±1% maximum for most values
Alarms
- Setpoints: 0–100% of full-scale, ±0.13% accuracy
-
Delays
- Alert: 1–60 sec
- Danger: 0.1–60 sec
Environmental
-
Operating Temperature
- -30°C to +65°C (standard)
- 0°C to +65°C (barrier I/O)
- Certifications: ATEX, cNRTLus, EN 61010-1, EMC Directive
Physical
- Dimensions: 241.3 × 24.4 × 241.8 mm (main module)
- Weight: 0.91 kg
