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Product Overview
The Bently Nevada 3500/42-04-CN Proximitor Seismic Monitor is an advanced vibration and position monitoring module designed for critical rotating machinery protection. It delivers real-time measurement and alarming functions for proximity probes and seismic transducers, ensuring machine health and operational safety in demanding industrial environments.
Product Parameters
| Parameter | Specification |
|---|---|
| Model | 3500/42-04-CN |
| Measurement Types | Radial Vibration, Thrust Position, Eccentricity, Shaft Position |
| Input Channels | 4 |
| Signal Type | Proximitor / Seismic |
| Accuracy | ±0.25% of full scale |
| Alarm Setpoints | 2 per channel (Alert, Danger) |
| Outputs | 4–20 mA proportional, relay contacts |
| Communication | Rack Interface to 3500 System |
| Power Consumption | ≤ 10 W |
| Operating Temperature | –30°C to +65°C |
| Dimensions (H × W × D) | 241.3 × 24.4 × 241.8 mm |
| Weight | 0.91 kg |
Applications
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Continuous monitoring of steam turbines, compressors, pumps, and motors.
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Shaft vibration and displacement tracking in high-value machinery.
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Early fault detection in bearing systems and rotor dynamics.
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Integration with plant-wide condition monitoring systems.
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Compliance with API 670 for machinery protection.
Product Advantages
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High Reliability: Industrial-grade design for 24/7 operation.
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Flexible Configuration: Multiple measurement modes per channel.
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Fast Response: Real-time alarming with minimal latency.
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Integration Ready: Seamless connectivity with the 3500 Series framework.
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Compliance: Meets stringent industrial monitoring standards.
FAQ
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What sensors are compatible with the 3500/42-04-CN?
Proximity probes, velocity transducers, and accelerometers designed for Bently Nevada systems. -
Can this module be used for thrust position monitoring?
Yes, it supports thrust position measurement with appropriate transducers. -
Does it support redundant monitoring?
Yes, when configured in a redundant rack system. -
How many alarm levels are available?
Two per channel: Alert and Danger. -
Is it compliant with API 670?
Yes, it fully meets API 670 requirements. -
Can the output be integrated into a DCS?
Yes, via 4–20 mA and relay outputs. -
What is the accuracy of measurements?
±0.25% of full-scale output. -
Does it require calibration?
Calibration is recommended during installation and periodic maintenance. -
Can it operate in extreme temperatures?
Yes, from –30°C to +65°C. -
Is firmware upgradeable?
Yes, through the 3500 rack system interface.
Related Models (Same Series)
| Model | Measurement Type | Channels | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| 3500/42M | Proximitor/Seismic | 4 | 241.3 × 24.4 × 241.8 | 0.91 |
| 3500/46M | Hydro Monitor | 4 | 241.3 × 24.4 × 241.8 | 0.91 |
| 3500/45 | Position Monitor | 4 | 241.3 × 24.4 × 241.8 | 0.91 |
| 3500/44M | Aeroderivative Gas Turbine | 4 | 241.3 × 24.4 × 241.8 | 0.91 |
| 3500/40M | Proximitor Monitor | 4 | 241.3 × 24.4 × 241.8 | 0.91 |
| 3500/77M | Temperature Monitor | 4 | 241.3 × 24.4 × 241.8 | 0.91 |
Popular Bently Nevada Models
| Model | Primary Function | Channels | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| 3500/22M | Transient Data Interface | – | 241.3 × 24.4 × 241.8 | 0.91 |
| 3500/32M | Relay Module | 4 relays | 241.3 × 24.4 × 241.8 | 0.91 |
| 3500/60 | Temperature Monitor | 6 | 241.3 × 24.4 × 241.8 | 0.91 |
| 3500/92 | Communication Gateway | – | 241.3 × 24.4 × 241.8 | 0.91 |
| 3500/93 | System Display | – | 241.3 × 24.4 × 241.8 | 0.91 |
| 3500/72M | Rod Drop Monitor | 2 | 241.3 × 24.4 × 241.8 | 0.91 |
