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- PR6423/011-110+CON021
- 8mm Eddy Current Sensor + Eddy Current Signal Converter
- Germany
- 8 mm
- 0.22 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Epro PR6423/011-110+CON021 8mm Eddy Current Sensor+Eddy Current Signal Converter combines an 8 mm eddy current probe with a compatible signal-conditioning converter for rotating machinery measurement. The probe detects changes in the distance between the sensing tip and a conductive machine target, while the converter prepares the sensor signal for connection to machinery monitoring and protection equipment.
The PR6423/011-110 functions as the sensing element installed near the monitored shaft. It detects shaft movement without physical contact, making the measurement suitable for rotating equipment where continuous observation of mechanical movement is required.
The CON021 forms the signal-conditioning stage of the measurement chain. It receives the probe signal and conditions it for the associated monitoring electronics. This configuration can be used for measurements related to shaft displacement, position, eccentricity, and vibration.
The combination is suitable for critical rotating equipment such as turbines, compressors, pumps, generators, and motors. For replacement work, the probe, converter, cable, mounting arrangement, and monitoring input should be checked as one complete measurement system.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Eddy Current Sensor + Eddy Current Signal Converter |
| Product Series | PR6423 Series |
| Sensor Model | PR6423/011-110 |
| Signal Converter | CON021 |
| Sensor Type | 8mm Eddy Current Sensor |
| Measurement Method | Non-Contacting Eddy Current Measurement |
| Target Type | Conductive Machine Target |
| Application | Rotating Machinery Monitoring |
| Sensor Head Diameter | 8 mm |
| Weight | 0.22 kg |
Product Features
- 8 mm eddy current sensing element for non-contact shaft measurement
- Combined sensor and signal-conditioning converter configuration
- Detects relative movement between a conductive target and probe
- Suitable for shaft displacement and position monitoring
- Applicable to eccentricity and vibration-related measurements
- CON021 provides the required signal-conditioning stage
- Suitable for continuous rotating machinery monitoring
- Applicable to machinery protection and condition monitoring systems
- Practical for compatible Epro measurement and replacement applications
Working Principle
The PR6423/011-110 detects changes in the electromagnetic field caused by the movement of a conductive target. The sensor response is then transferred to the CON021 for signal conditioning.
Conductive Machine Target → PR6423/011-110 → CON021 → Machinery Monitoring / Protection System
When the monitored shaft moves relative to the probe, the probe-to-target distance changes. This changes the eddy-current response at the sensor tip. The CON021 processes the sensor signal and provides a conditioned output for the downstream machinery monitoring equipment.
Depending on the system configuration, the measurement chain can support:
- Shaft radial displacement
- Shaft axial position
- Rotor eccentricity
- Shaft vibration
- Rotational movement
- Machinery protection measurements
The probe remains fixed relative to the machine structure while detecting movement of the rotating target without mechanical contact.
Role in a Rotating Machinery Monitoring Architecture
The sensor and converter together form the measurement front end of a machinery monitoring channel.
Rotating Shaft → PR6423/011-110 → CON021 → Machinery Monitor → Alarm / Protection
| System Element | Function |
|---|---|
| Rotating Shaft | Provides the conductive measurement target |
| PR6423/011-110 | Detects changes in target-to-probe distance |
| CON021 | Conditions the eddy-current sensor signal |
| Machinery Monitor | Processes and displays the measurement |
| Alarm System | Monitors configured operating limits |
| Protection System | Initiates protective action when required |
Industrial Applications
| Application | Typical Use |
|---|---|
| Steam Turbines | Shaft displacement and vibration monitoring |
| Gas Turbines | Rotor movement and machinery protection |
| Hydro Turbines | Shaft position and dynamic movement monitoring |
| Turbo Compressors | Rotor displacement measurement |
| Centrifugal Compressors | Shaft condition monitoring |
| Centrifugal Pumps | Shaft movement and mechanical monitoring |
| Generators | Rotor position and vibration measurement |
| Electric Motors | Shaft movement monitoring |
| Industrial Fans | Rotating shaft condition monitoring |
| Process Machinery | Continuous mechanical condition monitoring |
Installation and Maintenance
- Verify that the PR6423/011-110 and CON021 are suitable for the intended measurement system.
- Confirm the sensor and converter combination before replacing an installed assembly.
- Check that the monitored shaft or target surface is suitable for eddy-current measurement.
- Install the probe securely at the specified measurement location.
- Establish the appropriate probe-to-target gap for the measurement chain.
- Check probe alignment relative to the monitored shaft.
- Inspect the mounting arrangement for looseness or mechanical movement.
- Connect the probe to the CON021 using the appropriate cable and connection arrangement.
- Route sensor wiring away from strong electrical interference where practical.
- Verify converter power and output connections before commissioning.
- Check the machinery monitoring system for a valid measurement after installation.
- Observe the signal during machine startup and compare it with expected shaft behavior.
- Inspect the probe tip, cable, connectors, and mounting hardware during scheduled maintenance.
- If the signal becomes unstable, check the probe gap, alignment, cable, converter, target condition, and monitor as a complete chain.
An abnormal measurement does not necessarily indicate a failed sensor. Cable faults, incorrect installation, converter problems, target conditions, and monitoring-system issues can produce similar symptoms.
Related Components
| Component | Function |
|---|---|
| Epro PR6423/011-110 | 8 mm eddy-current sensing element |
| CON021 | Eddy-current signal-conditioning converter |
| Sensor Cable | Connects the probe to the signal-conditioning electronics |
| Machinery Monitor | Receives and processes the conditioned measurement |
| Vibration Monitoring System | Performs continuous machinery monitoring |
| Probe Mounting Hardware | Maintains the probe position |
| Machine Shaft / Rotor | Provides the conductive measurement target |
| Machinery Protection System | Provides alarm and trip functions |
| Monitoring Cabinet | Houses associated monitoring electronics |
| Grounding System | Supports signal integrity and installation stability |
Recommended Related Models
| Model / Series | Product Type | Typical Application |
|---|---|---|
| PR6423/011-110+CON021 | Eddy Current Sensor + Signal Converter | Shaft displacement and position monitoring |
| PR6423/011-110 | 8 mm Eddy Current Sensor | Rotating shaft measurement |
| PR6423/011 Series | 8 mm Eddy Current Sensor | Machinery movement monitoring |
| PR6423 Series | Eddy Current Sensor Series | Rotating machinery condition monitoring |
| PR6423/010 Series | 8 mm Eddy Current Sensor | Shaft displacement and position measurement |
| PR6422 Series | Eddy Current Sensor | Machinery monitoring |
| PR6424 Series | Eddy Current Sensor | Shaft measurement applications |
| PR6425 Series | Eddy Current Sensor | Machinery displacement monitoring |
| PR6426 Series | Eddy Current Sensor | Critical machinery measurement |
| CON011 | Eddy Current Signal Converter | Signal conditioning for compatible PR642x sensors |
Key Advantages
- Combines an 8 mm eddy current sensor with a signal-conditioning converter.
- Provides non-contact measurement of conductive rotating targets.
- Suitable for shaft displacement and position monitoring.
- Can support eccentricity and vibration-related measurements.
- Integrates sensing and signal-conditioning stages into one measurement arrangement.
- Suitable for turbines, compressors, pumps, generators, and motors.
- Applicable to machinery condition monitoring and protection systems.
- Practical for replacement and maintenance of compatible Epro installations.
Technical FAQs
What is the role of the PR6423/011-110 in the complete measurement chain?
The PR6423/011-110 is the sensing element. It detects changes in the distance between its probe tip and the conductive machine target, while the CON021 handles signal conditioning before the measurement reaches the monitoring system.
Why is the CON021 used with the PR6423/011-110?
The probe generates a sensor response rather than a complete monitoring-system signal. The CON021 provides the interface and signal-conditioning stage required to use the probe measurement with compatible machinery monitoring electronics.
What machinery conditions can this sensor combination monitor?
Depending on the overall monitoring configuration, it can be used for shaft displacement, shaft position, eccentricity, and vibration-related measurements on rotating equipment.
What should be checked if the complete PR6423/011-110+CON021 assembly gives no usable signal?
Check the probe installation and gap first, followed by the sensor cable, probe-to-converter connection, CON021 power and output, and the monitoring-system input. The conductive target and probe alignment should also be inspected before replacing the sensor or converter.