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- PR6423/003-040
- 8mm Eddy Current Sensor
- Germany
- 8 mm
- 0.1 kg
- Xiamen, China
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Product Overview
The Epro PR6423/003-040 8mm Eddy Current Sensor is a non-contact displacement measurement probe used for monitoring shaft position, vibration, and relative movement in rotating machinery. It is part of the Epro PR6423 series and is widely applied in machinery condition monitoring and protection systems.
The sensor uses eddy current measurement technology to detect changes in the distance between the probe tip and the conductive target surface. By converting mechanical displacement into an electrical signal, the PR6423/003-040 provides important operating data for analyzing equipment condition.
This type of sensor is commonly installed on critical rotating equipment such as turbines, compressors, generators, and pumps. It is typically connected with a compatible signal converter and monitoring module to create a complete vibration and displacement monitoring system.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Epro |
| Model | PR6423/003-040 |
| Product Type | Eddy Current Sensor |
| Sensor Type | Non-contact Displacement Probe |
| Probe Diameter | 8 mm |
| Measurement Principle | Eddy Current Technology |
| Application | Shaft Displacement and Vibration Monitoring |
| Installation | Rotating Machinery Monitoring System |
| Sensor Head Diameter | 8 mm |
| Weight | 0.1 kg |
Product Features
The Epro PR6423/003-040 provides reliable displacement sensing for industrial rotating equipment.
Key features include:
- 8 mm eddy current probe design
- Non-contact shaft displacement measurement
- Suitable for vibration monitoring applications
- Provides continuous mechanical position feedback
- No physical contact with rotating components
- Reduces maintenance caused by sensor wear
- Compact sensor structure for flexible installation
- Suitable for high-speed rotating machinery
- Supports integration with Epro monitoring systems
- Designed for industrial condition monitoring applications
The sensor provides accurate detection of shaft movement and helps operators evaluate the operating condition of critical machinery.
Working Principle
The PR6423/003-040 works based on the eddy current displacement measurement principle.
Measurement process:
Rotating Shaft → PR6423/003-040 Eddy Current Sensor → Signal Converter → Monitoring System → Protection Logic
Operating sequence:
- The sensor probe generates a high-frequency electromagnetic field near the measured shaft surface.
- The conductive target changes the electromagnetic field according to the distance between the shaft and probe.
- The sensor detects variations in eddy current intensity.
- The displacement change is converted into an electrical measurement signal.
- The signal is processed by the monitoring system for vibration analysis and equipment protection.
The non-contact measurement method allows continuous monitoring of rotating components without mechanical friction.
Application in Machinery Protection Systems
The Epro PR6423/003-040 acts as a sensing component in rotating equipment monitoring architectures.
| Component | Function |
|---|---|
| PR6423/003-040 Sensor | Detects shaft displacement |
| Signal Converter | Processes sensor output |
| Monitoring Module | Evaluates vibration and position data |
| PLC/DCS System | Integrates equipment information |
| Protection System | Provides alarm and shutdown functions |
The sensor provides essential mechanical condition information for predictive maintenance programs.
Industrial Applications
| Industry | Typical Application |
|---|---|
| Power Generation | Turbine shaft vibration monitoring |
| Oil & Gas | Compressor displacement measurement |
| Petrochemical | Rotating equipment protection |
| Marine Industry | Engine and turbine monitoring |
| Manufacturing | High-speed machinery condition monitoring |
| Energy Facilities | Predictive maintenance systems |
The PR6423/003-040 is suitable for applications requiring accurate and continuous shaft displacement monitoring.
Installation and Maintenance
Correct installation ensures stable measurement performance.
Recommended practices:
- Install the sensor with the correct measurement gap.
- Ensure proper alignment between probe and shaft surface.
- Use suitable mounting accessories.
- Confirm compatibility with the connected signal converter.
- Protect cables from mechanical damage.
- Avoid strong electromagnetic interference sources.
- Verify sensor output during commissioning.
- Perform regular inspection of mounting conditions.
Proper maintenance helps maintain accurate measurement and improves machinery protection reliability.
Compatible System Components
The Epro PR6423/003-040 is commonly used with:
| Component | Function |
|---|---|
| Epro CON021 / CON031 / CON041 Converter | Sensor signal conversion |
| Epro MMS Series Monitoring System | Vibration and displacement monitoring |
| Machinery Protection Modules | Alarm and shutdown control |
| PLC Systems | Automation integration |
| DCS Platforms | Process monitoring |
| Turbine Control Systems | Rotating equipment supervision |
Recommended Related Models
| Model | Product Type | Application |
|---|---|---|
| Epro PR6423/003-040 | 8mm Eddy Current Sensor | Shaft displacement monitoring |
| Epro PR6423/003-031-CN | 8mm Eddy Current Sensor | Rotating machinery monitoring |
| Epro PR6423/003-030-CN+CON021 | Sensor + Signal Converter | Complete monitoring solution |
| Epro PR6423/003-010+CON021 | Eddy Current Sensor System | Shaft vibration measurement |
| Epro PR6423/002-131+CON031 | Eddy Current Sensor System | Turbine protection applications |
Model selection should consider sensor type, converter compatibility, machinery requirements, and monitoring system configuration.
Key Advantages
- Provides accurate non-contact displacement measurement
- Suitable for continuous rotating equipment monitoring
- Compact 8 mm probe design
- Eliminates mechanical contact wear
- Supports vibration and shaft position analysis
- Improves predictive maintenance capability
- Integrates with industrial monitoring systems
- Suitable for high-speed machinery applications
- Helps detect abnormal mechanical conditions early
Technical FAQs
What is the main function of the Epro PR6423/003-040?
The PR6423/003-040 is an 8 mm eddy current sensor used to measure shaft displacement and vibration in rotating machinery.
Does the PR6423/003-040 directly connect to a PLC system?
The sensor normally requires a compatible signal converter before connecting to monitoring systems such as PLC, DCS, or machinery protection equipment.
Why is an eddy current sensor suitable for rotating equipment?
It provides non-contact measurement, allowing accurate monitoring of fast-moving shafts without physical wear or interference with machine operation.
What equipment can use the PR6423/003-040 sensor?
It is commonly used for turbines, compressors, generators, pumps, and other rotating equipment requiring continuous condition monitoring.