Bently Nevada|3500/42 135489-02| Proximitor Seismic Monitor
Bently Nevada 3500/42M Proximitor Seismic Monitor (135489-02)
Description
The 3500/42M is a 4-channel monitor for machinery protection, accepting inputs from proximity, velocity, or acceleration transducers. It provides vibration and position measurements with programmable alarms.
Features
- Monitors radial vibration, thrust position, eccentricity, REBAM, acceleration, and velocity.
- Supports dual-channel pairing for simultaneous functions.
- Configurable alert/danger setpoints for static values.
- Front-panel LEDs for status, communication, and bypass mode.
Technical Specifications
Inputs
- Signal Types: Proximity, velocity, or acceleration (1–4 channels).
- Power Consumption: 7.7 W typical.
- Input Impedance: 10 kΩ (Proximitor/acceleration).
-
Sensitivity:
- Radial Vibration/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 or 5.8 mV/(mm/s) pk.
Outputs
- Buffered Transducer Outputs: Short-circuit protected, 550 Ω impedance.
- Recorder Output: 4–20 mA, ±0.25% accuracy (room temp), 100 ms update rate.
- Front-Panel LEDs: OK, TX/RX, Bypass status indicators.
Signal Conditioning
-
Frequency Response:
- Radial Vibration: 4 Hz–4 kHz (Direct), 0.09 Hz (Gap).
- Thrust/Differential Expansion: 1.2 Hz (Direct), 0.41 Hz (Gap).
- Acceleration: 10–30 kHz (unfiltered), 10–20 kHz (with integration).
- Accuracy: ±0.33% typical (±1% max) for most parameters.
Environmental
- Operating Temp: -30°C to +65°C (with external termination).
- Storage Temp: -40°C to +85°C.
- Humidity: 95% non-condensing.
Compliance
- EMC: EN 61000-6-2/4.
- Hazardous Area: ATEX/IECEx II 3G, cNRTLus Class I Division 2.
I/O Module (135489-02)
- Configuration: 2x Prox/Accel + 2x Velomitor channels.
- Supply Parameters: 23.9 V, 45.5 mA, 1.09 W per channel.
Bently Nevada|3500/42 135489-02| Proximitor Seismic Monitor
Bently Nevada|3500/42 135489-02| Proximitor Seismic Monitor
Bently Nevada 3500/42M Proximitor Seismic Monitor (135489-02)
Description
The 3500/42M is a 4-channel monitor for machinery protection, accepting inputs from proximity, velocity, or acceleration transducers. It provides vibration and position measurements with programmable alarms.
Features
- Monitors radial vibration, thrust position, eccentricity, REBAM, acceleration, and velocity.
- Supports dual-channel pairing for simultaneous functions.
- Configurable alert/danger setpoints for static values.
- Front-panel LEDs for status, communication, and bypass mode.
Technical Specifications
Inputs
- Signal Types: Proximity, velocity, or acceleration (1–4 channels).
- Power Consumption: 7.7 W typical.
- Input Impedance: 10 kΩ (Proximitor/acceleration).
-
Sensitivity:
- Radial Vibration/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 or 5.8 mV/(mm/s) pk.
Outputs
- Buffered Transducer Outputs: Short-circuit protected, 550 Ω impedance.
- Recorder Output: 4–20 mA, ±0.25% accuracy (room temp), 100 ms update rate.
- Front-Panel LEDs: OK, TX/RX, Bypass status indicators.
Signal Conditioning
-
Frequency Response:
- Radial Vibration: 4 Hz–4 kHz (Direct), 0.09 Hz (Gap).
- Thrust/Differential Expansion: 1.2 Hz (Direct), 0.41 Hz (Gap).
- Acceleration: 10–30 kHz (unfiltered), 10–20 kHz (with integration).
- Accuracy: ±0.33% typical (±1% max) for most parameters.
Environmental
- Operating Temp: -30°C to +65°C (with external termination).
- Storage Temp: -40°C to +85°C.
- Humidity: 95% non-condensing.
Compliance
- EMC: EN 61000-6-2/4.
- Hazardous Area: ATEX/IECEx II 3G, cNRTLus Class I Division 2.
I/O Module (135489-02)
- Configuration: 2x Prox/Accel + 2x Velomitor channels.
- Supply Parameters: 23.9 V, 45.5 mA, 1.09 W per channel.
