Product Overview

• PN: 135489-03
• Brand: Bently Nevada
• Series: 3500 Machinery Protection System
• Type: 3500/42 Seismic Monitor I/O Module

• Function: 4-channel vibration monitoring module equipped with built-in safety barrier, collecting signals from proximity probes, velocity and acceleration sensors. It monitors vibration parameters of turbines, compressors and other rotating equipment, triggers alarm protection when exceeding thresholds, and uploads data to monitoring system.

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Core Features

1. Four configurable channels supporting multiple types of vibration sensors
2. Integrated intrinsic safety barrier, suitable for hazardous area installation
3. Built-in terminal design simplifies field wiring and reduces fault risks
4. High measurement precision with two-stage alarm and analog signal output

5. Hot-swappable design with LED indicators for quick fault troubleshooting

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Technical Specifications

• Channel Quantity: 4
• Applicable Sensors: Proximity probe, Velomitor, acceleration sensor
• Protection Grade: Intrinsically safe
• Operating Temperature: 0℃ ~ 60℃
• HS Code: 8538900000
• Certifications: CE

• Product Status: Discontinued, supplied with tested surplus units

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Compatibility

• Matched Rack: Bently Nevada 3500 series rack
• Application Devices: Steam turbine, gas turbine, centrifugal compressor

• Not Compatible: Third-party monitoring rack systems

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Application

1. Vibration protection monitoring for large rotating machinery in power, petrochemical industries
2. Fault early warning and safety interlock for critical production equipment
3. Replacement and maintenance of old 3500 monitoring systems

Our Advantage

• Completed signal detection and function aging test before delivery
• 12-month warranty for tested surplus modules