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- Epro
- PR6423/014-010
- 8mm Eddy Current Sensor
- Germany
- 8 mm
- 0.1 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Epro PR6423/014-010 is an 8 mm eddy current sensor used for non-contact measurement of relative movement between a probe and a conductive machine target. It is commonly applied to rotating machinery where shaft displacement, vibration, or positional changes need to be monitored without physical contact with the moving surface.
The sensor is suitable for machinery such as turbines, compressors, pumps, generators, and other rotating equipment. By continuously detecting changes in the distance between the sensing head and the conductive target, it can supply displacement information to a compatible driver or signal-conditioning system.
In a typical installation, the PR6423/014-010 is mounted near a rotating shaft or another conductive machine component. The probe itself performs the sensing function, while the associated electronics process the probe signal and make the measurement available to a machinery monitoring or protection system.
Correct mechanical installation is particularly important for eddy current measurement. Probe position, target condition, mounting stability, and the distance between the sensor and the monitored surface all affect the resulting measurement.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Epro |
| Model | PR6423/014-010 |
| Product Family | PR6423 Series |
| Product Type | 8mm Eddy Current Sensor |
| Primary Function | Non-contact displacement measurement |
| System Role | Eddy current sensing element |
| Application | Machinery vibration and displacement monitoring |
| Sensor Head Diameter | 8 mm |
| Weight | 0.1 kg |
Product Features
- 8 mm eddy current sensing head for non-contact measurement.
- Suitable for monitoring conductive rotating machine targets.
- Detects relative changes between the probe and monitored surface.
- Applicable to shaft displacement and vibration measurement.
- Can be integrated with compatible driver and signal-conditioning electronics.
- Suitable for rotating machinery monitoring systems.
- Useful for turbine, compressor, pump, and generator applications.
- Supports continuous proximity measurement without mechanical contact.
Working Principle
The PR6423/014-010 operates by generating an electromagnetic field at the sensor head and detecting changes caused by a nearby conductive target. When the distance between the probe and the target changes, the electrical response of the sensing circuit changes accordingly.
For rotating machinery, the conductive target is commonly a shaft or other metallic machine surface. Radial or axial movement changes the probe-to-target gap, allowing the associated electronics to convert these changes into a usable displacement signal.
Conductive Target / Rotating Shaft → PR6423/014-010 Sensor → Compatible Driver / Signal Conditioning → Machinery Monitoring System
The probe does not independently perform the complete vibration-analysis or protection function. Its role is to provide the physical sensing element from which the downstream monitoring system obtains displacement-related information.
Role in a Machinery Monitoring Architecture
The PR6423/014-010 normally forms the front-end sensing stage of a machinery monitoring chain. It is installed close to the monitored shaft or conductive target, while the driver or signal-conditioning equipment is located in the appropriate control or monitoring cabinet.
Rotating Shaft → Eddy Current Sensor → Signal Conditioning → Machinery Monitoring System → Alarm / Protection
| System Element | Function |
|---|---|
| Rotating Shaft / Conductive Target | Provides the monitored mechanical target |
| PR6423/014-010 | Detects changes in probe-to-target distance |
| Driver / Signal Conditioner | Processes the sensor signal |
| Machinery Monitoring System | Displays and evaluates displacement information |
| Alarm / Protection System | Initiates configured alarms or protective responses |
A stable mechanical relationship between the probe and target is essential for maintaining consistent measurement quality.
Industrial Applications
| Application | Typical Use |
|---|---|
| Steam Turbines | Shaft displacement and vibration monitoring |
| Gas Turbines | Rotating shaft condition monitoring |
| Compressors | Shaft movement and machinery protection |
| Pumps | Radial displacement and rotating equipment monitoring |
| Generators | Rotor position and vibration-related measurement |
| Industrial Rotating Equipment | Continuous proximity and displacement monitoring |
Installation and Maintenance
- Confirm that the PR6423/014-010 is suitable for the intended machinery monitoring application.
- Install the sensor in accordance with the approved mechanical arrangement.
- Position the sensing head correctly relative to the conductive target.
- Verify the required probe-to-target gap during commissioning.
- Ensure the probe mounting is rigid and protected from excessive mechanical vibration.
- Keep the sensing area free from conditions that could interfere with proper installation.
- Inspect the sensor body and cable connection for mechanical damage.
- Verify the cable routing and connection to the compatible driver or signal-conditioning equipment.
- Check for abnormal measurement changes that may indicate probe movement or target-related problems.
- Inspect the mounting arrangement if the displacement signal becomes unstable.
- Check the complete signal path when the monitoring system reports a missing or abnormal sensor signal.
- After sensor replacement, verify probe positioning and confirm normal measurement behavior before returning the machinery to service.
Compatible System Components
| Component | Function |
|---|---|
| Epro PR6423 Series Driver | Provides excitation and signal processing |
| Epro Signal Converter | Converts the probe signal for monitoring equipment |
| Eddy Current Extension Cable | Connects the sensor to the associated electronics |
| Machinery Monitoring System | Processes and displays displacement measurements |
| Vibration Monitoring Module | Evaluates vibration and shaft movement information |
| Alarm / Protection System | Provides configured machinery protection |
| Rotating Shaft / Conductive Target | Provides the physical measurement target |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Epro PR6423 Series | Eddy Current Sensor | Shaft displacement monitoring |
| Epro PR6423/010 Series | 8mm Eddy Current Sensor | Rotating machinery measurement |
| Epro PR6423/012 Series | 8mm Eddy Current Sensor | Machinery vibration and displacement |
| Epro PR6423/013 Series | 8mm Eddy Current Sensor | Shaft and proximity measurement |
| Epro CON021 Series | Eddy Current Signal Converter | Sensor signal conditioning |
| Epro CON031 Series | Eddy Current Signal Converter | Machinery monitoring signal interface |
| Epro PR6424 Series | Eddy Current Sensor Family | Industrial machinery monitoring |
Key Advantages
- Provides non-contact measurement of conductive machine targets.
- 8 mm sensing head suited to rotating machinery applications.
- Suitable for shaft displacement and vibration-related monitoring.
- Avoids mechanical contact with the rotating target.
- Can be integrated with compatible Epro signal-conditioning equipment.
- Suitable for continuous machinery condition monitoring and protection systems.
Technical FAQs
How should the PR6423/014-010 be positioned relative to a rotating shaft?
The sensing head should be installed with the correct orientation and probe-to-target gap specified for the complete measurement system. Stable mounting is important because unintended probe movement can be interpreted as a change in shaft position.
What can cause an unstable displacement signal from the sensor?
An unstable signal can result from probe movement, incorrect probe-to-target spacing, damaged cabling, poor connections, target-surface conditions, or problems in the associated driver or signal-conditioning equipment. The complete measurement chain should be checked rather than replacing the sensor immediately.
Can the PR6423/014-010 be connected directly to a machinery monitoring controller?
The sensor normally operates as part of an eddy current measurement system and requires compatible excitation and signal-conditioning electronics. The exact interface should therefore be verified against the associated driver and monitoring-system configuration.
What should be checked after replacing the PR6423/014-010?
Verify the sensor model, mechanical mounting, probe-to-target position, cable connection, and associated electronics. A functional check should then confirm that the monitoring system receives a stable displacement signal under normal machine operating conditions.