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- Epro
- PR6424/000-000
- 16mm Eddy Current Sensor
- Germany
- 16 mm
- 0.2 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Epro PR6424/000-000 16mm Eddy Current Sensor is a non-contact sensor used for measuring shaft displacement and position in rotating machinery. It works by detecting changes in the distance between the probe and a conductive target, making it suitable for applications where direct mechanical contact with the rotating component is not practical.
The sensor can be used in machinery monitoring arrangements for turbines, compressors, pumps, generators, and other rotating equipment. Typical measurements include shaft movement, axial position, and displacement-related operating conditions.
In a complete monitoring channel, the PR6424/000-000 works together with suitable signal-conditioning and monitoring electronics. The resulting measurement can be used for machinery condition monitoring, alarm handling, and protection functions.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | PR6424/000-000 |
| Product Type | 16mm Eddy Current Sensor |
| Measurement Principle | Eddy Current |
| Measurement Method | Non-contact |
| Sensor Head Diameter | 16 mm |
| Typical Application | Rotating Machinery Monitoring |
| Weight | 0.2 kg |
Product Features
- 16 mm sensor head for industrial rotating machinery applications.
- Non-contact eddy current measurement without physical contact with the rotating target.
- Suitable for shaft displacement and position measurement.
- Can be incorporated into machinery protection and condition monitoring systems.
- Applicable to turbines, compressors, pumps, generators, and other critical rotating equipment.
- Supports continuous measurement arrangements where shaft movement needs to be monitored.
- Works as part of a complete sensor, signal-conditioning, and monitoring channel.
Working Principle
The PR6424/000-000 generates an electromagnetic field at the sensor tip. When the probe is positioned near a conductive target, the electrical characteristics of the sensing circuit change according to the distance between the probe and target.
As the rotating shaft moves, the measurement gap changes. The sensor converts this change into an electrical signal that can be processed by the associated signal-conditioning electronics.
A typical measurement path is:
Rotating Shaft → PR6424/000-000 → Signal Conditioning → Machinery Monitoring System → Alarm / Protection
Correct probe positioning and a suitable conductive target are essential for obtaining a usable displacement signal.
Role in a Rotating Machinery Control Architecture
| System Element | Role |
|---|---|
| PR6424/000-000 | Detects non-contact shaft displacement or position |
| Signal Conditioning Unit | Processes the sensor signal |
| Monitoring Module | Evaluates the measured shaft condition |
| Machinery Protection System | Provides alarm and protective functions |
| DCS / PLC | Receives monitoring information for process supervision |
| Operator Station | Displays operating status and measurement trends |
| Maintenance System | Uses measurement history for machinery condition assessment |
Industrial Applications
| Application | Typical Use |
|---|---|
| Steam Turbines | Shaft displacement and position monitoring |
| Gas Turbines | Rotating shaft condition monitoring |
| Compressors | Shaft movement and machinery protection |
| Centrifugal Pumps | Displacement monitoring on critical pump trains |
| Generators | Rotor movement monitoring |
| Gearboxes | Rotating component displacement measurement |
| Turboexpanders | High-speed shaft monitoring |
| Fans and Blowers | Continuous machinery condition monitoring |
| Process Machinery | Non-contact position measurement |
| Test Equipment | Shaft displacement measurement during machinery testing |
Installation and Maintenance
- Install the sensor so that the probe tip faces the intended conductive target.
- Maintain the required probe-to-target relationship for the measurement channel.
- Secure the sensor firmly to prevent movement caused by machinery vibration.
- Keep the sensor installation free from unnecessary mechanical interference.
- Route the sensor cable carefully and avoid excessive bending or pulling.
- Check all sensor connections before commissioning the monitoring channel.
- Verify that the connected signal-conditioning electronics are suitable for the sensor.
- Inspect the probe tip periodically for contamination or physical damage.
- Check the mounting position if the measurement signal changes unexpectedly.
- Compare abnormal readings with machinery operating conditions before replacing the sensor.
- Inspect associated cables and connections when intermittent signals occur.
- Replace damaged sensing components and verify the complete measurement channel after maintenance.
Related Components
| Component | Function |
|---|---|
| Eddy Current Signal Converter | Conditions the sensor output for monitoring |
| Proximity Probe Cable | Connects the sensor to associated electronics |
| Machinery Monitoring Module | Receives and evaluates the measurement |
| Vibration Monitoring System | Processes rotating machinery condition data |
| Machinery Protection System | Handles alarm and trip functions |
| Probe Mounting Hardware | Maintains the sensor installation position |
| Conductive Shaft Target | Provides the target for eddy current measurement |
| DCS / PLC Interface | Transfers monitoring information to the control system |
| Alarm Module | Indicates abnormal machinery conditions |
| Condition Monitoring Software | Supports trending and maintenance analysis |
Recommended Related Models
| Model | Product Type |
|---|---|
| Epro PR6422 Series | Eddy Current Sensor |
| Epro PR6423 Series | Eddy Current Sensor |
| Epro PR6424 Series | Eddy Current Sensor |
| Epro CON021 | Eddy Current Signal Converter |
| Epro CON031 | Eddy Current Signal Converter |
| Epro MMS 6000 | Machinery Monitoring System |
| Epro MMS 3000 | Machinery Monitoring System |
| Epro A6110 | Machinery Monitoring Module |
Key Advantages
- Non-contact measurement for rotating machinery.
- 16 mm sensor head configuration.
- Suitable for shaft displacement and position monitoring.
- Applicable to continuous machinery monitoring systems.
- Supports machinery protection and condition assessment.
- Suitable for integration with associated signal-conditioning electronics.
Technical FAQs
What does the Epro PR6424/000-000 measure?
The PR6424/000-000 is used for non-contact measurement of displacement and position of conductive targets, particularly rotating machinery shafts and related components.
What type of machinery can use the PR6424/000-000?
It can be applied to rotating equipment such as turbines, compressors, pumps, generators, gearboxes, and other machinery where shaft movement needs to be monitored.
Does the PR6424/000-000 contact the rotating shaft?
No. Eddy current measurement is performed without physical contact between the sensor tip and the conductive target, allowing the sensor to monitor moving machinery components.
What should be checked if the displacement signal is unstable?
Check the sensor mounting, probe position, cable connections, signal-conditioning electronics, and possible electrical interference. The actual machinery operating condition should also be reviewed to determine whether the signal change is mechanical or instrumentation-related.