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- PR6423/003-020
- 8mm Eddy Current Sensor
- Germany
- 8 mm
- 0.1 kg
- Xiamen, China
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Product Overview
The Epro PR6423/003-020 8mm Eddy Current Sensor is a non-contact displacement measurement probe used for monitoring shaft vibration, radial displacement, and mechanical movement in rotating machinery. It belongs to the Epro PR6423 series of eddy current sensing products and is widely applied in machinery protection and condition monitoring systems.
Unlike contact-type measurement devices, the PR6423/003-020 detects the distance between the probe tip and the rotating target surface through electromagnetic field changes. This allows continuous monitoring of high-speed rotating components without mechanical wear caused by physical contact.
The sensor is commonly installed on turbines, compressors, pumps, generators, and other critical rotating equipment. It is typically connected with an appropriate Epro signal converter and monitoring module to form a complete vibration and displacement monitoring solution.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Epro |
| Model | PR6423/003-020 |
| 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 PR6423/003-020 provides precise and reliable displacement measurement for industrial rotating equipment.
Key features include:
- 8 mm eddy current sensor probe
- Non-contact measurement technology
- Designed for rotating machinery monitoring
- Provides shaft position and vibration detection
- No mechanical wear during measurement operation
- Compact sensor head design
- Suitable for high-speed rotating equipment
- Supports integration with Epro monitoring systems
- Provides stable measurement performance
- Suitable for continuous industrial operation
The compact 8 mm probe design allows installation in areas where mounting space is limited while maintaining accurate displacement detection.
Working Principle
The PR6423/003-020 operates based on the eddy current measurement principle.
Typical signal path:
Rotating Shaft → PR6423/003-020 Probe → Signal Converter → Monitoring System → Alarm / Protection System
Operating process:
- The sensor probe generates a high-frequency electromagnetic field near the measured surface.
- When the shaft position changes, the interaction between the electromagnetic field and conductive target changes.
- The sensor detects the variation in eddy current intensity.
- The displacement information is converted into an electrical signal.
- The signal is transmitted to monitoring equipment for vibration analysis and equipment protection.
Because the sensor does not touch the rotating shaft, it can operate continuously on machinery running at high speed.
Role in Machinery Protection Systems
The Epro PR6423/003-020 acts as the sensing element in rotating equipment monitoring systems.
| Component | Function |
|---|---|
| PR6423/003-020 Probe | Detects shaft displacement |
| Signal Converter | Converts sensor output signal |
| Monitoring Module | Processes vibration information |
| PLC/DCS System | Displays equipment status |
| Protection System | Provides alarms and shutdown control |
The sensor provides important mechanical condition data used for predictive maintenance and equipment protection.
Industrial Applications
The Epro PR6423/003-020 is commonly used in industries requiring continuous monitoring of rotating machinery.
| Application | Typical Use |
|---|---|
| Power Generation | Turbine shaft vibration monitoring |
| Oil & Gas | Compressor displacement measurement |
| Petrochemical | Rotating equipment protection |
| Marine Industry | Engine and turbine monitoring |
| Manufacturing Plants | Machine condition monitoring |
| Energy Facilities | Predictive maintenance systems |
It is especially suitable for critical machines where early detection of abnormal shaft movement is required.
Installation and Maintenance
Proper installation is important for maintaining measurement accuracy.
Recommended practices include:
- Install the probe with correct gap distance.
- Ensure alignment between sensor tip and measurement surface.
- Use suitable mounting hardware.
- Protect sensor cables from mechanical damage.
- Avoid strong electromagnetic interference sources.
- Verify output signals during commissioning.
- Inspect sensor installation periodically.
Regular maintenance helps ensure reliable vibration monitoring performance.
Compatible System Components
The Epro PR6423/003-020 is commonly used with:
| Component | Function |
|---|---|
| Epro Signal Converter | Sensor signal conditioning |
| Epro MMS Monitoring System | Vibration and displacement monitoring |
| Machinery Protection Modules | Alarm and shutdown functions |
| PLC/DCS Systems | Process monitoring integration |
| Turbine Control Systems | Rotating equipment control |
| Data Acquisition Systems | Condition analysis |
Recommended Related Models
| Model | Product Type | Application |
|---|---|---|
| Epro PR6423/003-020 | 8mm Eddy Current Sensor | Shaft displacement monitoring |
| Epro PR6423/003-010+CON021 | Sensor + Signal Converter | Complete measurement system |
| Epro PR6423/002-131+CON031 | Eddy Current Sensor System | Turbine monitoring |
| Epro PR6423/002-031-CN | 8mm Eddy Current Sensor | Industrial vibration monitoring |
| Bently Nevada 3300 XL NSv Eddy Current Probe | Eddy Current Probe System | Machinery protection |
Model selection should consider probe size, converter compatibility, monitoring system type, and equipment requirements.
Key Advantages
- Provides accurate non-contact displacement measurement
- Suitable for rotating machinery monitoring
- Reduces mechanical wear compared with contact sensors
- Supports continuous vibration detection
- Compact 8 mm probe design
- Easy integration into monitoring systems
- Improves predictive maintenance capability
- Helps prevent unexpected equipment failures
- Suitable for industrial environments
Technical FAQs
What is the main function of the Epro PR6423/003-020?
The PR6423/003-020 is an eddy current displacement sensor used to measure shaft movement and vibration in rotating machinery.
Does the PR6423/003-020 require physical contact with the shaft?
No. It uses electromagnetic eddy current technology to measure displacement without touching the rotating component.
What type of equipment uses this sensor?
It is commonly used on turbines, compressors, generators, pumps, and other critical rotating machines.
Does the PR6423/003-020 work independently?
The sensor normally works together with a compatible signal converter and monitoring system to provide complete vibration measurement and protection functions.