
Product Description
Product Details
| Manufacturer | Bently Nevada |
|---|---|
| Series | 3500/42M |
| Model/Part Number | 3500/42 |
| Model Type | Proximitor/Seismic Monitor |
Description
The 3500/42M Proximitor Seismic Monitor is a four-channel module designed for monitoring vibration and position measurements using proximity, velocity, or acceleration transducers. It protects machinery by continuously comparing measured parameters with configured alarm setpoints and provides essential machine condition information to both operations and maintenance personnel.
Key Features
- Machinery Protection: Continuously compares parameters against alarm setpoints to trigger alarms.
- Flexible Inputs: Accepts proximity, velocity, and acceleration transducer signals.
- Customizable Configuration: User-programmable channels for radial vibration, eccentricity, REBAM, thrust position, and differential expansion.
Technical Specifications
Inputs
- Supported Transducers: Proximity, velocity, and acceleration transducers.
-
Sensitivity:
- Radial Vibration: 3.94 mV/µm (100 mV/mil) or 7.87 mV/µm (200 mV/mil).
- Velocity: 20 mV/(mm/s) pk or 5.8 mV/(mm/s) pk.
- Acceleration: 10 mV/(m/s²) (100 mV/g).
- Power Consumption: 7.7 watts, typical.
- Input Impedance: 10 kΩ (standard I/O).
Outputs
-
Buffered Transducer Outputs:
- Front coaxial connectors for each channel.
- Short-circuit protected.
-
Recorder Outputs:
- +4 to +20 mA proportional to full-scale monitor range.
- Voltage compliance: 0 to +12 Vdc.
- Output Impedance: 550 Ω.
Environmental Limits
-
Operating Temperature:
- Standard I/O: -30°C to +65°C (-22°F to +150°F).
- Internal Barrier I/O: 0°C to +65°C (32°F to +150°F).
- Storage Temperature: -40°C to +85°C (-40°F to +185°F).
- Humidity: Up to 95%, non-condensing.
Physical Dimensions
-
Main Monitor: 241.3 mm x 24.4 mm x 241.8 mm (9.50 in x 0.96 in x 9.52 in).
Weight: 0.91 kg (2.0 lbs). -
I/O Modules:
- Non-barrier: 241.3 mm x 24.4 mm x 99.1 mm (9.50 in x 0.96 in x 3.90 in), 0.20 kg (0.44 lb).
- Barrier: 241.3 mm x 24.4 mm x 163.1 mm (9.50 in x 0.96 in x 6.42 in), 0.46 kg (1.01 lb).
Ordering Information
Monitor:
- Model: 3500/42-AA-BB.
A: I/O Module Type:
| Option | I/O Part Number | I/O Description | Transducer Type |
|---|---|---|---|
| 01 | 128229-01 | Prox/Seismic I/O Module (Internal Terminations) | Seismoprobe |
| 02 | 128240-01 | Prox/Seismic I/O Module (External Terminations) | Seismoprobe |
| 04 | 135489-01 | Internal Barriers, Internal Terminations (4x Prox/Accel) | Prox/Accel |
| 05 | 135489-02 | Internal Barriers, Internal Terminations (2x Prox/Accel, 2x Velomitor) | Prox/Accel, Velomitor |
| 06 | 135489-03 | Internal Barriers, Internal Terminations (4x Velomitor) | Velomitor |
| 09 | 140471-01 | Prox/Velom I/O Module (Internal Terminations) | Prox/Accel, Velomitor, HTVS |
| 10 | 140482-01 | Prox/Velom I/O Module (External Terminations) | Prox/Accel, Velomitor, HTVS |
B: Hazardous Area Approval Option:
| Option | Description |
|---|---|
| 00 | None |
| 01 | cNRTLus (Class 1, Division 2) |
| 02 | ATEX / IECEx / CSA (Class 1, Zone 2) |
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