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- PR6424/001-100
- 16mm Eddy Current Sensor
- Germany
- 16 mm
- 0.2 kg
- Xiamen, China
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Product Overview
The Epro PR6424/001-100 is a 16 mm eddy current sensor for non-contact measurement of rotating machinery components. It belongs to the EPRO PR6424 sensor family and is used as the sensing element in machinery monitoring and protection arrangements.
The sensor operates by detecting changes in the electromagnetic relationship between its sensing element and a conductive metallic target. When installed near a rotating shaft, the probe can detect changes in the relative position between the sensor and the shaft without requiring physical contact.
In turbine, compressor, generator, and other rotating equipment applications, the PR6424/001-100 can form part of a complete measurement chain together with compatible EPRO measuring electronics and machinery monitoring equipment. Its role is focused on sensing rather than independent signal analysis or control.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | PR6424/001-100 |
| Product Type | Eddy Current Sensor |
| Product Family | PR6424 |
| Manufacturer | Epro / EPRO |
| Sensor Type | Non-Contact Eddy Current Sensor |
| Measurement Principle | Eddy Current Measurement |
| Target Type | Conductive Metallic Target |
| Measurement Method | Non-Contact |
| Primary Application | Rotating Machinery Monitoring |
| Typical Measurement | Shaft Position / Relative Movement |
| System Integration | EPRO Eddy Current Measurement System |
| Installation | Rotating Equipment |
| Sensor Head Diameter | 16 mm |
| Weight | 0.2 kg |
Product Features
- Uses non-contact eddy current sensing for rotating machinery applications.
- Detects changes in the relationship between the probe and a conductive metallic target.
- Suitable for machinery monitoring and protection systems.
- Supports shaft position and relative movement measurement applications.
- Allows measurement without physical contact with the rotating component.
- Can operate as part of a complete EPRO sensor and measuring-electronics chain.
- Suitable for turbines, compressors, generators, pumps, and other rotating equipment.
- Provides a dedicated sensing point for continuous machinery monitoring applications.
- Supports condition-monitoring arrangements where shaft-related movement is an important measurement.
Working Principle
The PR6424/001-100 works according to the eddy current measurement principle. The probe establishes an electromagnetic field around its sensing area. When a conductive metallic target, such as a machine shaft, is positioned within this field, eddy currents are generated in the target material.
The electrical response of the sensing circuit changes as the distance or relative position between the probe and target changes. Compatible EPRO measuring electronics interpret this response and convert it into a measurement that can be used by the machinery monitoring system.
PR6424/001-100 → Conductive shaft / target → Eddy current response → Measuring electronics → Monitoring system
Because the probe does not need to contact the shaft, the measurement point remains isolated from direct mechanical contact with the rotating component. This makes the sensing method suitable for applications where continuous observation of shaft movement is required.
The sensor is therefore one part of a complete measurement chain. Proper installation depends on the relationship between the probe, target surface, mounting arrangement, cable connection, and associated measuring electronics.
Role in an EPRO Rotating Machinery Monitoring Architecture
The PR6424/001-100 functions as the sensing element in an EPRO eddy current measurement architecture. It detects changes at the machine interface and passes the corresponding sensor response to the compatible measuring electronics for further processing.
| System Layer | Typical Component | Function |
|---|---|---|
| Machinery Protection | EPRO Monitoring System | Evaluates machinery measurement information |
| Signal Processing | EPRO Eddy Current Measuring Electronics | Interfaces with the probe and processes the sensor response |
| Sensing | PR6424/001-100 | Detects relative movement between the probe and conductive target |
| Machine Interface | Shaft / Metallic Target | Provides the conductive surface being monitored |
| Mechanical System | Turbine / Compressor / Generator | Produces the rotating movement being measured |
| Maintenance System | Condition Monitoring Platform | Uses measurement information for machinery assessment |
Industrial Applications
| Application | Sensor Role |
|---|---|
| Steam Turbines | Provides non-contact sensing for shaft-related monitoring |
| Gas Turbines | Supports rotating shaft measurement within machinery monitoring systems |
| Compressors | Monitors relative shaft movement in rotating equipment |
| Generators | Provides a sensing point for rotating machinery condition monitoring |
| Pumps | Supports non-contact measurement of rotating components |
| Machinery Protection | Supplies sensor information to the associated monitoring electronics |
| Predictive Maintenance | Provides measurement data for tracking changes in machine behavior |
Installation and Maintenance
- Confirm that the PR6424/001-100 is compatible with the intended EPRO measuring electronics and machinery monitoring arrangement.
- Review the machine drawings and applicable probe installation documentation before mounting the sensor.
- Isolate the relevant machinery and follow the plant’s mechanical and electrical safety procedures before installation.
- Select a mounting position that provides the required relationship between the sensor and conductive target.
- Keep the sensing area clean and free from contamination before commissioning.
- Inspect the probe body and cable connection for damage before installation.
- Route the sensor cable so that it is protected from excessive tension, sharp edges, and unnecessary mechanical movement.
- Secure the probe and mounting arrangement so that operating vibration does not unintentionally change its position.
- Verify the sensor connection to the associated EPRO measuring electronics before energizing the monitoring circuit.
- Check the sensor response during commissioning and confirm that it changes appropriately with the monitored shaft movement.
- If the measurement becomes unstable, inspect probe mounting, target condition, cable integrity, and associated measuring electronics.
- Record the sensor model and installation position for future machinery maintenance and condition-monitoring activities.
Related Components
| Component | Function in the System |
|---|---|
| EPRO Eddy Current Measuring Electronics | Interfaces with and processes the sensor signal |
| EPRO Machinery Monitoring System | Receives and evaluates machinery measurement information |
| Sensor Extension Cable | Provides the connection between the probe and associated electronics |
| Shaft / Metallic Target | Provides the conductive target for eddy current sensing |
| Probe Mounting Hardware | Positions and secures the sensor near the monitored target |
| Machinery Protection System | Uses sensor measurements for monitoring and protection |
| Rotating Equipment | Provides the mechanical movement being measured |
Recommended Related Models
| Model | Product Type | Typical Relationship |
|---|---|---|
| Epro PR6422 Series | Eddy Current Sensor | Related EPRO sensor family for machinery monitoring |
| Epro PR6423 Series | Eddy Current Sensor | Related non-contact eddy current sensor family |
| Epro PR6425 Series | Eddy Current Sensor | Related sensor family for rotating machinery applications |
| Epro PR6426 Series | Eddy Current Sensor | Related EPRO machinery monitoring sensor family |
| Epro CON 0xx Series | Eddy Current Measuring Electronics | Associated electronics family for EPRO eddy current sensors |
Key Advantages
- Provides non-contact sensing for rotating machinery.
- Uses eddy current technology to detect changes relative to conductive targets.
- Supports shaft position and relative movement monitoring.
- Suitable for continuous machinery monitoring arrangements.
- Integrates with compatible EPRO measuring and monitoring electronics.
- Useful for turbine, compressor, generator, pump, and other rotating equipment applications.
Technical FAQs
What is the PR6424/001-100 used to measure?
The PR6424/001-100 is an eddy current sensor used for non-contact measurement of relative movement between the probe and a conductive metallic target. In rotating machinery, this can include shaft position or displacement-related measurements.
How does the sensor detect shaft movement without touching the shaft?
The probe generates an electromagnetic field around its sensing area. Changes in the position of the conductive shaft alter the eddy current response, which is detected by the sensing circuit and interpreted by compatible measuring electronics.
Does the PR6424/001-100 operate as a standalone monitoring device?
No. The sensor is part of a larger measurement architecture. It normally works with compatible EPRO measuring electronics and a machinery monitoring system that processes and evaluates the resulting measurement.
What installation factors can affect the sensor measurement?
Probe mounting, sensor-to-target positioning, target surface condition, cable integrity, and the associated measuring electronics can all affect the resulting measurement. The installation should therefore be checked as a complete measurement chain rather than evaluating the probe in isolation.