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Overview
The Epro PR6423/010-010-CN+CON021 is an 8 mm Eddy Current Sensor System designed for non-contact measurement of shaft vibration, displacement, position, and speed in critical rotating machinery applications.
The system combines the PR6423 eddy current probe with the CON021 signal converter to provide reliable measurement signals for machinery protection and condition monitoring systems. It is mainly used for detecting changes in shaft movement and mechanical operating conditions without direct contact with rotating components.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand | Epro |
| Model | PR6423/010-010-CN+CON021 |
| Product Type | 8 mm Eddy Current Sensor System |
| Sensor Type | Non-contact Eddy Current Displacement Sensor |
| Sensor Head Diameter | 8 mm |
| Weight | 0.22 kg |
| Measurement Principle | Eddy Current Technology |
| Main Function | Shaft Vibration, Displacement and Position Measurement |
| Application | Rotating Machinery Condition Monitoring |
| System Components | PR6423 Sensor Probe + CON021 Signal Converter |
Applications
Steam Turbine Monitoring
The sensor system is used to monitor turbine shaft vibration, axial movement, and displacement changes to support reliable operation of power generation equipment.
Gas Turbine Protection
It provides accurate shaft condition data for gas turbines and helps detect abnormal mechanical movement during operation.
Compressor Monitoring
The sensor supports compressor condition monitoring by measuring shaft displacement and vibration characteristics.
Generator Systems
It is used in generator protection applications to monitor rotating shaft behavior and improve equipment reliability.
Industrial Rotating Machinery
The system is suitable for pumps, fans, gearboxes, and other rotating equipment requiring continuous vibration and position monitoring.
How It Works
The Epro PR6423/010-010-CN+CON021 operates using eddy current sensing technology.
The sensor probe generates an electromagnetic field near the conductive shaft surface. When the distance between the probe and the shaft changes, the electromagnetic response changes accordingly. The sensor converts this variation into an electrical signal representing shaft displacement or vibration.
The CON021 converter processes the probe output and provides a stable measurement signal for the machinery monitoring system.
The typical signal flow is:
Rotating Shaft → PR6423 Sensor Probe → CON021 Converter → Monitoring System
Because the measurement is performed without physical contact, the sensor can operate reliably in high-speed rotating machinery environments.
Key Benefits
| Feature | Benefit |
|---|---|
| Non-contact Measurement | Prevents mechanical wear and improves measurement stability. |
| High Precision Detection | Provides accurate shaft displacement and vibration monitoring. |
| Fast Response Performance | Suitable for dynamic rotating equipment applications. |
| Continuous Monitoring Capability | Supports predictive maintenance strategies. |
| Compact 8 mm Probe Design | Allows installation in limited mounting spaces. |
| Reliable Industrial Operation | Designed for demanding machinery protection environments. |
Related Components
| Component | Function |
|---|---|
| PR6423/010-010-CN Sensor Probe | Detects shaft movement and vibration signals. |
| CON021 Signal Converter | Converts probe signals into monitoring outputs. |
| Extension Cable | Provides connection between sensor and converter. |
| Machinery Monitoring System | Analyzes vibration and displacement data. |
| Protection Module | Provides alarm and shutdown functions. |
| Rotating Equipment | Provides the monitored mechanical target. |
Installation
The Epro PR6423/010-010-CN+CON021 should be installed according to the requirements of the machinery protection system.
Before installation, verify:
- Correct sensor model
- Probe mounting location
- Shaft surface condition
- Sensor gap adjustment
- Cable connection
- Converter compatibility
The distance between the sensor probe and the rotating shaft must be adjusted correctly to achieve accurate measurement performance. Incorrect installation distance may cause unstable signals or inaccurate monitoring results.
After installation, calibration and functional testing should be performed to confirm proper sensor operation and reliable signal transmission.
Troubleshooting
| Problem | Possible Cause | Recommended Check |
|---|---|---|
| No Signal Output | Sensor, cable, or converter connection problem | Check probe wiring and CON021 connection. |
| Incorrect Vibration Reading | Incorrect probe gap setting | Verify sensor installation distance. |
| Signal Fluctuation | Electrical interference or loose connection | Inspect cable routing and connections. |
| Abnormal Monitoring Alarm | Machine vibration increase or sensor issue | Compare sensor data with equipment condition. |
| Unstable Measurement | Converter or sensor performance problem | Check system configuration and signal quality. |
Recommended Models
| Model | Product Type | Application |
|---|---|---|
| PR6423/010-010-CN+CON021 | 8 mm Eddy Current Sensor System | Shaft vibration and displacement monitoring |
| PR6423/004-010+CON021 | 8 mm Eddy Current Sensor System | Rotating machinery protection |
| PR6423/002-100-CN+CON021 | 8 mm Eddy Current Sensor System | Turbomachinery condition monitoring |
| PR6423/002-030+CON021 | Eddy Current Sensor System | Industrial equipment monitoring |
| CON021 | Signal Converter | Eddy current signal processing |
| MMS Series | Machinery Monitoring System | Equipment protection and analysis |
Related Products
| Product / Series | Product Type | Main Use |
|---|---|---|
| Epro PR6423 Series | Eddy Current Sensor | Shaft displacement measurement |
| Epro CON021 Series | Signal Converter | Sensor signal conversion |
| Epro MMS Series | Machinery Monitoring System | Rotating equipment protection |
| Eddy Current Probe Series | Non-contact Sensor | Vibration monitoring |
| Vibration Monitoring Modules | Protection Equipment | Fault detection |
| Turbomachinery Protection Systems | Monitoring Platform | Critical equipment monitoring |
Technical FAQs
1. What is the main function of the Epro PR6423/010-010-CN+CON021?
It is used to measure shaft vibration, displacement, and position changes in rotating machinery through non-contact eddy current technology.
2. What is the role of the CON021 converter?
The CON021 converts the probe signal into a processed output signal that can be used by machinery monitoring and protection systems.
3. Why is non-contact measurement important for rotating equipment?
It avoids physical contact with rotating shafts, reducing wear and providing stable measurement during high-speed operation.
4. What equipment is suitable for this sensor system?
It is commonly used in turbines, compressors, generators, pumps, gearboxes, and other critical rotating machinery.
5. What should be checked if the sensor measurement is inaccurate?
Check the sensor gap, probe installation position, cable connection, converter operation, and monitoring system configuration.