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- PR6423/010-110-CN
- 8mm Eddy Current Sensor
- Germany
- 8 mm
- 0.1 kg
- Xiamen, China
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Product Overview
The Epro PR6423/010-110-CN 8mm Eddy Current Sensor is a non-contact displacement sensor used for monitoring the position, vibration, and relative movement of rotating machinery components. It is typically applied where shaft movement needs to be measured without physically contacting the monitored surface.
In rotating equipment, the sensor can be positioned near a shaft or other conductive target to detect changes in the distance between the sensor head and the target. This makes the PR6423/010-110-CN suitable for machinery monitoring applications involving shaft vibration, radial movement, axial position, and other mechanical conditions.
The sensor is commonly used as part of a complete eddy current measurement chain rather than as an independent monitoring system. The sensor works with its associated driver or signal-conditioning electronics, while the resulting measurement can be processed by a machinery protection or monitoring system.
Correct probe installation is important for obtaining stable measurements. Engineers should consider the target material, probe-to-target gap, mounting position, cable routing, mechanical clearance, and the requirements of the associated monitoring electronics during commissioning and maintenance.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | PR6423/010-110-CN |
| Product Family | Epro |
| Product Type | Eddy Current Sensor |
| Primary Function | Non-contact displacement and machinery movement measurement |
| System Role | Rotating machinery measurement sensor |
| Sensor Technology | Eddy Current |
| Sensor Head Diameter | 8 mm |
| Application | Rotating machinery monitoring and vibration measurement |
| Weight | 0.1 kg |
Product Features
- Epro PR6423 series eddy current sensing technology
- Non-contact measurement of conductive machine components
- Suitable for rotating shaft monitoring
- Supports displacement and relative movement measurement
- Applicable to vibration monitoring systems
- Compact sensor head for machinery monitoring installations
- Suitable for turbine, compressor, pump, and rotating equipment applications
- Works with associated driver and monitoring electronics
- Useful for condition monitoring and machinery protection
- Suitable for maintenance and replacement of existing eddy current measurement systems
Working Principle
The PR6423/010-110-CN operates using the eddy current measurement principle. The sensor generates an electromagnetic field toward a conductive target, such as a rotating shaft. Changes in the distance between the sensor head and the target alter the electrical characteristics of the sensing circuit.
The associated signal-conditioning electronics convert this change into a usable measurement representing the relative position or movement of the monitored machine component. The monitoring system can then use this information to evaluate shaft vibration, displacement, or other mechanical conditions.
PR6423/010-110-CN Sensor → Driver / Signal Conditioning → Machinery Monitoring System → Alarm / Protection / Control
The sensor itself does not determine the overall machinery condition. The measurement must be interpreted by the associated electronics and monitoring system according to the configured machinery protection or condition-monitoring strategy.
Role in a Rotating Machinery Monitoring Architecture
The PR6423/010-110-CN forms the field measurement point in an eddy current machinery monitoring system. It detects the relative movement between the sensor and a conductive machine target and passes the measurement through the associated signal-conditioning equipment.
Rotating Shaft → PR6423/010-110-CN → Signal Conditioner / Driver → Machinery Monitoring System → Protection / Operator Interface
| System Element | Function |
|---|---|
| Rotating Shaft / Target | Provides the conductive machine surface being monitored |
| PR6423/010-110-CN | Detects changes in the distance between the sensor and target |
| Driver / Signal Conditioner | Supplies and conditions the sensor signal |
| Machinery Monitoring System | Processes displacement or vibration measurements |
| Protection System | Generates alarms or protective actions when configured limits are exceeded |
| Operator Interface | Displays machinery condition and measurement information |
Industrial Applications
| Application | Typical Use |
|---|---|
| Steam Turbines | Monitoring shaft movement and vibration |
| Gas Turbines | Measuring relative shaft displacement |
| Compressors | Monitoring rotating shaft movement and mechanical condition |
| Pumps | Detecting shaft displacement and vibration conditions |
| Generators | Monitoring rotor-related mechanical movement |
| Rotating Machinery | Non-contact measurement of shaft position and movement |
| Machinery Protection | Providing displacement measurements to protection systems |
| Condition Monitoring | Supporting analysis of rotating equipment operating conditions |
Installation and Maintenance
- Verify the complete PR6423/010-110-CN identification before replacement.
- Confirm that the sensor is being used with the appropriate driver or signal-conditioning equipment.
- Inspect the sensor head for mechanical damage before installation.
- Verify that the monitored shaft or target surface is suitable for eddy current measurement.
- Position the sensor according to the required measurement direction and installation arrangement.
- Check the sensor-to-target gap during installation and commissioning.
- Ensure that the probe mounting is secure and cannot move because of machine vibration.
- Route the sensor cable away from sources of mechanical damage and unsuitable interference conditions.
- Check connectors and cable terminations for looseness, contamination, or damage.
- Compare the measured signal with the expected machinery position or vibration condition.
- If the measurement is abnormal, check the sensor, driver, cable, target surface, and mechanical installation separately.
- Record the installed sensor position and measurement setup for future replacement and machinery maintenance.
Related Components
| Component | Function |
|---|---|
| Epro PR6423 Series | Eddy current sensor family for machinery measurement |
| Eddy Current Driver | Provides sensor excitation and signal conditioning |
| Extension Cable | Connects the sensor to the associated electronics |
| Machinery Monitoring System | Processes sensor measurements |
| Vibration Monitoring Module | Evaluates shaft vibration and displacement signals |
| Machinery Protection System | Generates alarms and protective actions |
| Rotating Shaft | Conductive target monitored by the sensor |
| Signal Conditioning Equipment | Converts the sensor response into a usable measurement |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| PR6423/010-110-CN | 8mm Eddy Current Sensor | Shaft displacement and vibration measurement |
| Epro PR6423 Series | Eddy Current Sensors | Rotating machinery monitoring |
| Epro Eddy Current Sensors | Non-Contact Displacement Sensors | Shaft position and vibration measurement |
| Eddy Current Drivers | Signal Conditioning Components | Sensor excitation and signal processing |
| Machinery Monitoring Modules | Monitoring Equipment | Vibration and displacement monitoring |
| Machinery Protection Systems | Protection Equipment | Turbine and rotating machinery protection |
| Vibration Monitoring Sensors | Machinery Sensors | Rotating equipment condition monitoring |
| Shaft Displacement Sensors | Non-Contact Sensors | Relative shaft movement measurement |
Key Advantages
- Provides non-contact measurement of conductive machine targets
- Suitable for rotating shaft displacement monitoring
- Supports vibration and machinery condition monitoring
- Compact 8 mm sensor head
- Suitable for turbine, compressor, pump, and generator applications
- Can be integrated into machinery protection and monitoring systems
Technical FAQs
What is the PR6423/010-110-CN typically used to measure?
The sensor is used for non-contact measurement of relative movement between the sensor and a conductive machine target. In rotating machinery applications, this can include shaft displacement, radial movement, axial movement, or vibration-related measurements depending on the installation arrangement.
Why is the sensor-to-shaft gap important?
The eddy current measurement depends on the distance between the sensor and the conductive target. An incorrect gap can produce an inaccurate or unstable measurement, so the probe position should be checked carefully during installation and commissioning.
What should be checked if the machinery monitoring system shows an abnormal sensor signal?
Check the PR6423/010-110-CN installation position, sensor-to-target gap, cable and connectors, associated driver, target surface, and mechanical condition of the shaft. Comparing the sensor signal with another measurement point can also help determine whether the problem is localized to the sensor channel.
Can the PR6423/010-110-CN be connected directly to a machinery monitoring input?
The complete measurement chain must be considered. An eddy current sensor normally works with compatible driver or signal-conditioning electronics before the measurement is supplied to the monitoring system. The sensor and receiving electronics should therefore be verified as a compatible combination before installation.