Product Introduction: 3500/40M 125680-01
The 3500/40M 125680-01 is a specific hardware version of the 4-Channel Temperature Monitor module from the Bently Nevada 3500 Machinery Protection System. This module is a specialized monitor dedicated to the continuous surveillance of machine temperature using Resistance Temperature Detectors (RTDs). It is a critical component for preventing machine damage by monitoring bearing temperatures, motor windings, and other critical points, triggering alarms and shutdowns before thermal damage can occur. The "125680-01" denotes a specific hardware revision of this module.
Technical Parameters
The key technical specifications for the 3500/40M 125680-01 module are summarized in the table below.
| Parameter | Specification |
|---|---|
| Part Number | 3500/40M 125680-01 |
| System | Bently Nevada 3500 |
| Module Type | 4-Channel RTD Temperature Monitor |
| Dimensions (H x W x D) | 190 mm x 55 mm x 120 mm (Standard 3500 Rack Slot) |
| Weight | 0.46 kg |
| Input Channels | 4 independent RTD channels |
| Sensor Type | 100 Ohm Platinum RTD (Pt100) |
| Measurement Range | -50°C to +200°C (-58°F to +392°F) |
| Accuracy | ±1°C |
| Update Rate | 10 samples per second per channel |
| Alarm Setpoints | Two fully-configurable levels per channel (Alert and Danger) |
| Power Supply | Powered by the 3500 Rack; +24 VDC from the rack's power supply |
| Operating Temperature | -20°C to +65°C |
Application Scenarios
The 3500/40M module is essential for protecting machinery from temperature-related failures across various industries.
Turbine and Compressor Protection:
Monitors radial and thrust bearing temperatures on steam turbines, gas turbines, and centrifugal compressors to prevent catastrophic bearing failure due to overheating.
Electric Motor Monitoring:
Tracks stator winding and bearing temperatures in large high-voltage motors, providing early warning of insulation breakdown or lubrication failure.
Pump Systems:
Monitors bearing temperatures on critical pumps in power generation, oil and gas, and water treatment facilities to schedule maintenance and avoid unexpected downtime.
Gearbox Monitoring:
Monitors bearing and oil sump temperatures in large gearboxes to detect issues related to overloading, lubrication failure, or component wear.
Machine Health Integration:
Provides a unified protection system within the 3500 rack by integrating temperature data with vibration and speed information, allowing for comprehensive machine health assessment and complex alarm logic.
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Each product has been tested by our technicians, providing 12-month long warranty, worry-free after-sales
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7×24 hours technical consultation, from selection guidance to installation and commissioning to provide full life cycle service (paid)
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