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Overview
The Epro PR6424/000-000+CON021 is a 16 mm Eddy Current Sensor System designed for non-contact measurement of shaft vibration, displacement, position, eccentricity, and speed in critical rotating machinery.
The system consists of a PR6424 eddy current sensor probe and a CON021 signal converter, providing accurate and stable measurement signals for machinery protection and condition monitoring systems. Compared with smaller probe designs, the 16 mm sensor is suitable for applications involving larger shafts and heavy-duty rotating equipment where reliable displacement monitoring is required.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand | Epro |
| Model | PR6424/000-000+CON021 |
| Product Type | 16 mm Eddy Current Sensor System |
| Sensor Type | Non-contact Eddy Current Displacement Sensor |
| Sensor Head Diameter | 16 mm |
| Weight | 0.32 kg |
| Measurement Principle | Eddy Current Technology |
| Main Function | Shaft Vibration, Displacement, Position and Speed Measurement |
| Application | Rotating Machinery Condition Monitoring |
| System Components | PR6424 Sensor Probe + CON021 Signal Converter |
| Typical Equipment | Turbines, Compressors, Pumps, Generators |
Applications
Turbomachinery Monitoring
The Epro PR6424/000-000+CON021 is designed for monitoring shaft vibration and displacement in steam turbines, gas turbines, and hydro turbines.
Compressor Protection
The sensor system provides accurate shaft movement detection for compressors, helping identify mechanical changes during operation.
Generator Condition Monitoring
It supports generator protection systems by measuring shaft position variations and vibration characteristics.
Pump and Fan Monitoring
The sensor is suitable for industrial pumps and fans where continuous shaft condition monitoring is required.
Large Rotating Equipment
The 16 mm sensor design is suitable for larger shaft applications that require stable and precise displacement measurement.
How It Works
The Epro PR6424/000-000+CON021 operates using eddy current measurement technology.
The sensor probe generates a high-frequency electromagnetic field near the conductive rotating shaft. Changes in the distance between the probe tip and the shaft surface affect the electromagnetic field, allowing the system to calculate shaft displacement and vibration values.
The CON021 converter receives the probe signal and converts it into a standardized output signal for monitoring and protection systems.
The typical measurement process is:
Rotating Shaft → PR6424 Eddy Current Probe → CON021 Converter → Machinery Monitoring System
Because the sensor operates without physical contact, it provides reliable measurement performance while avoiding mechanical wear on rotating components.
Key Advantages
| Feature | Benefit |
|---|---|
| Non-contact Measurement | Prevents mechanical wear and provides stable long-term operation. |
| Large Shaft Measurement Capability | Suitable for larger rotating equipment applications. |
| High Accuracy Detection | Provides precise shaft displacement and vibration monitoring. |
| Fast Signal Response | Supports dynamic monitoring of rotating machinery. |
| Continuous Condition Monitoring | Helps detect equipment problems before major failures occur. |
| Industrial Reliability | Designed for demanding machinery protection environments. |
Related Components
| Component | Function |
|---|---|
| PR6424/000-000 Sensor Probe | Detects shaft displacement and vibration changes. |
| CON021 Signal Converter | Processes probe signals and provides monitoring outputs. |
| Extension Cable | Connects sensor probe and converter. |
| Machinery Protection System | Receives and analyzes sensor measurement data. |
| Monitoring Module | Provides alarm and protection functions. |
| Rotating Equipment | The mechanical system being monitored. |
Installation
The Epro PR6424/000-000+CON021 should be installed according to the requirements of the machinery monitoring system.
Before installation, check:
- Correct sensor model
- Probe mounting position
- Shaft surface condition
- Sensor gap adjustment
- Cable connection
- Converter compatibility
The sensor probe must be positioned at the correct distance from the rotating shaft to ensure accurate measurement. Improper installation may result in unstable signals, incorrect vibration values, or unreliable monitoring results.
After installation, calibration and functional testing should be completed to confirm correct signal transmission and system operation.
Troubleshooting
| Problem | Possible Cause | Recommended Check |
|---|---|---|
| No Signal Output | Sensor connection issue or converter failure | Check probe wiring and CON021 connection. |
| Incorrect Measurement Data | Incorrect sensor gap | Verify probe installation distance. |
| Signal Instability | Cable interference or loose connection | Inspect cable routing and connections. |
| Abnormal Vibration Alarm | Equipment condition change or sensor issue | Check machine operation and sensor output. |
| Measurement Deviation | Sensor or converter performance problem | Verify system calibration and signal quality. |
Recommended Models
| Model | Product Type | Application |
|---|---|---|
| PR6424/000-000+CON021 | 16 mm Eddy Current Sensor System | Large shaft vibration monitoring |
| PR6424/000-010+CON021 | 16 mm Eddy Current Sensor System | Rotating machinery displacement measurement |
| PR6424/000-030+CON021 | 16 mm Eddy Current Sensor System | Industrial condition monitoring |
| PR6424/010-100+CON021 | 16 mm Eddy Current Sensor System | Turbomachinery protection |
| 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 PR6424 Series | Eddy Current Sensor | Large shaft displacement measurement |
| Epro CON021 Series | Signal Converter | Sensor signal conversion |
| Epro PR6423 Series | Eddy Current Sensor | Standard shaft monitoring applications |
| Epro MMS Series | Machinery Monitoring System | Rotating equipment protection |
| Vibration Monitoring Modules | Protection Equipment | Fault detection |
| Turbomachinery Monitoring Systems | Monitoring Platform | Critical machine monitoring |
Technical FAQs
1. What is the main function of the Epro PR6424/000-000+CON021?
It is used for non-contact measurement of shaft vibration, displacement, position, and eccentricity in rotating machinery.
2. Why is the PR6424 series designed with a 16 mm sensor head?
The larger sensor head is suitable for applications involving larger shafts that require stable displacement measurement.
3. What is the role of the CON021 converter?
The CON021 converts the eddy current probe signal into a usable output for machinery monitoring and protection systems.
4. What equipment can use this sensor system?
It is commonly used in turbines, compressors, generators, pumps, fans, and other critical rotating equipment.
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.