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Overview
The Epro PR6423/10R-040+CON021 is an 8 mm Eddy Current Sensor System designed for non-contact measurement of shaft vibration, displacement, and position in rotating machinery monitoring applications.
This sensor system combines an eddy current probe with a CON021 signal converter to provide stable and accurate measurement signals for machinery protection and condition monitoring systems. It is designed to detect small changes in the position between the sensor probe and the rotating shaft, helping operators monitor equipment health and identify potential mechanical issues.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand | Epro |
| Model | PR6423/10R-040+CON021 |
| Product Type | 8 mm Eddy Current Sensor |
| Sensor Technology | Eddy Current Measurement |
| Sensor Head Diameter | 8 mm |
| Weight | 0.22 kg |
| Measurement Type | Non-contact Displacement Measurement |
| Main Function | Shaft Vibration and Position Monitoring |
| Application | Rotating Machinery Condition Monitoring |
| System Components | Sensor Probe + CON021 Signal Converter |
Applications
Turbomachinery Monitoring
The sensor is used for monitoring shaft vibration and displacement in steam turbines, gas turbines, and other high-speed rotating equipment.
Compressor Condition Monitoring
It provides accurate shaft movement detection for compressors, helping identify abnormal operating conditions and mechanical changes.
Generator Protection
The sensor supports generator monitoring systems by measuring shaft position and vibration characteristics during operation.
Pump and Motor Monitoring
It is suitable for industrial pumps and motors where reliable shaft condition monitoring is required.
Industrial Machinery Protection
The sensor system helps improve equipment reliability by providing continuous monitoring data for predictive maintenance programs.
How It Works
The Epro PR6423/10R-040+CON021 uses eddy current sensing technology to measure shaft movement without physical contact.
The sensor probe generates an electromagnetic field near the conductive rotating shaft. When the distance between the probe and the shaft changes, the electromagnetic characteristics change, allowing the system to calculate displacement and vibration values.
The CON021 converter processes the signal from the sensor probe and converts it into a usable output for machinery monitoring systems.
The typical working process is:
Rotating Shaft → Eddy Current Probe → CON021 Converter → Monitoring System
Because there is no mechanical contact between the sensor and shaft, the system provides stable operation and reduces wear compared with contact measurement methods.
Key Advantages
| Feature | Benefit |
|---|---|
| Non-contact Measurement | Provides reliable monitoring without mechanical wear. |
| High Measurement Accuracy | Detects small shaft movement changes accurately. |
| Fast Response Capability | Suitable for high-speed rotating machinery. |
| Continuous Monitoring Support | Helps detect equipment condition changes early. |
| Compact 8 mm Sensor Design | Allows installation in limited spaces. |
| Stable Industrial Performance | Suitable for demanding machinery protection applications. |
Related Components
| Component | Function |
|---|---|
| PR6423/10R-040 Sensor Probe | Detects shaft displacement and vibration signals. |
| CON021 Converter | Processes and converts sensor output signals. |
| Extension Cable | Connects sensor probe and converter. |
| Machinery Monitoring System | Receives and analyzes measurement data. |
| Protection Module | Provides alarm and protection functions. |
| Rotating Equipment | The monitored mechanical system. |
Installation
The Epro PR6423/10R-040+CON021 should be installed according to the requirements of the machinery monitoring system.
Before installation, confirm:
- Correct sensor model
- Proper mounting location
- Sensor gap adjustment
- Cable connection condition
- Converter compatibility
- Monitoring system configuration
The distance between the sensor tip and the rotating shaft must be adjusted correctly to achieve accurate measurement results. Incorrect installation may lead to unstable signals, incorrect vibration readings, or monitoring errors.
After installation, calibration and functional testing should be completed to ensure the sensor provides stable measurement signals.
Troubleshooting
| Problem | Possible Cause | Recommended Check |
|---|---|---|
| No Signal Output | Sensor connection problem or converter fault | Check probe wiring and CON021 connection. |
| Incorrect Measurement Value | Improper sensor gap | Verify probe installation distance. |
| Signal Fluctuation | Cable interference or loose connection | Inspect cable routing and connections. |
| Abnormal Alarm Signal | Equipment vibration change or sensor issue | Check machine condition and sensor output. |
| Unstable Monitoring Data | Sensor or converter performance problem | Verify system configuration and signal quality. |
Recommended Models
| Model | Product Type | Application |
|---|---|---|
| PR6423/10R-040+CON021 | 8 mm Eddy Current Sensor | Shaft vibration and displacement monitoring |
| PR6423/014-010+CON021 | 8 mm Eddy Current Sensor | Rotating machinery protection |
| PR6423/010-010-CN+CON021 | 8 mm Eddy Current Sensor | Industrial condition monitoring |
| PR6423/004-010+CON021 | 8 mm Eddy Current Sensor | Machinery vibration measurement |
| CON021 | Signal Converter | Sensor signal processing |
| MMS Series | Machinery Monitoring System | Equipment protection applications |
Related Products
| Product / Series | Product Type | Main Use |
|---|---|---|
| Epro PR6423 Series | Eddy Current Sensor | Shaft displacement monitoring |
| Epro CON021 Series | Signal Converter | Signal conversion and processing |
| Epro MMS Series | Machinery Monitoring System | Rotating equipment protection |
| Eddy Current Probe Series | Non-contact Sensor | Vibration and position measurement |
| Vibration Monitoring Modules | Protection Module | Fault detection |
| Turbomachinery Monitoring Systems | Monitoring Platform | Critical equipment monitoring |
Technical FAQs
1. What is the main function of the Epro PR6423/10R-040+CON021?
The sensor system is used for non-contact measurement of shaft vibration, displacement, and position in rotating machinery.
2. Why does this sensor use eddy current technology?
Eddy current technology allows accurate measurement without physical contact, making it suitable for high-speed rotating equipment.
3. What is the function of the CON021 converter?
The CON021 processes the probe signal and converts it into a usable output for machinery monitoring systems.
4. What equipment is suitable for this sensor system?
It is commonly used in turbines, compressors, generators, pumps, and other critical rotating machinery.
5. What should be checked if the sensor output is unstable?
Check the sensor installation gap, probe connection, cable condition, converter operation, and monitoring system settings.