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- PR6423/011-110-CN+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-CN+CON021 8mm Eddy Current Sensor+Eddy Current Signal Converter combines an 8 mm eddy current sensor with a compatible signal converter for non-contact measurement of rotating machinery. The sensor detects changes in the position of a conductive machine target, while the CON021 conditions the sensor response for the associated monitoring equipment.
The PR6423/011-110-CN functions as the sensing element and is installed toward the monitored shaft or other conductive target. Changes in the target-to-probe distance alter the electromagnetic response at the sensor tip, allowing mechanical movement to be detected without physical contact.
The CON021 forms the signal-conditioning stage between the sensor and the machinery monitoring system. This arrangement can be used for shaft displacement, position, eccentricity, and vibration-related measurements, depending on the configuration of the complete monitoring system.
The combination is applicable to critical rotating equipment such as turbines, compressors, pumps, generators, and motors. When replacing an existing measurement channel, the probe, converter, cable, mounting arrangement, and monitoring input should be checked together to maintain the intended measurement characteristics.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Eddy Current Sensor + Eddy Current Signal Converter |
| Product Series | PR6423 Series |
| Sensor Model | PR6423/011-110-CN |
| 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 measurement
- Combined sensor and signal-conditioning converter arrangement
- Detects relative movement between the probe and conductive target
- Suitable for shaft displacement and position monitoring
- Applicable to eccentricity and vibration-related measurements
- CON021 provides signal conditioning between the probe and monitoring equipment
- Suitable for continuous rotating machinery monitoring
- Applicable to machinery protection systems
- Practical for maintenance and replacement of compatible Epro measurement channels
Working Principle
The PR6423/011-110-CN detects changes in the electromagnetic field produced by the interaction between the probe and a conductive machine target.
Conductive Machine Target → PR6423/011-110-CN → CON021 → Machinery Monitoring / Protection System
When the monitored shaft moves relative to the probe, the distance between the sensing tip and target changes. This produces a corresponding change in the eddy-current response. The CON021 receives and conditions the sensor signal before passing the measurement to the downstream machinery monitoring system.
Depending on the installed monitoring 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 the rotating target moves within the sensing field.
Role in a Rotating Machinery Monitoring Architecture
The sensor and converter together form the front-end measurement channel between the rotating machine and the monitoring system.
Rotating Shaft → PR6423/011-110-CN → CON021 → Machinery Monitor → Alarm / Protection
| System Element | Function |
|---|---|
| Rotating Shaft | Provides the conductive measurement target |
| PR6423/011-110-CN | Detects changes in target-to-probe distance |
| CON021 | Conditions the eddy-current sensor signal |
| Machinery Monitor | Processes and evaluates 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-CN and CON021 match the intended machinery monitoring system.
- Confirm the sensor and converter configuration before replacing an installed measurement channel.
- 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 required probe-to-target gap for the applicable measurement chain.
- Check probe alignment relative to the monitored shaft.
- Inspect the mounting arrangement for looseness or mechanical movement.
- Connect the sensor to the CON021 using the appropriate cable and connection arrangement.
- Route sensor wiring away from strong electrical interference where practical.
- Verify converter power and signal connections before commissioning.
- Check the monitoring system for a valid measurement after installation.
- Observe the measurement 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 monitoring input as one complete chain.
A measurement problem can originate from the probe, cable, converter, installation conditions, or monitoring system. Testing the complete signal path helps identify the actual fault before replacing components.
Related Components
| Component | Function |
|---|---|
| Epro PR6423/011-110-CN | 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 sensor position relative to the target |
| 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-CN+CON021 | Eddy Current Sensor + Signal Converter | Shaft displacement and position monitoring |
| PR6423/011-110-CN | 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 |
| CON021 | Eddy Current Signal Converter | Signal conditioning for compatible PR6423 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.
- Supports measurements related to eccentricity and vibration.
- Conditions the sensor response before it reaches the monitoring system.
- Applicable to turbines, compressors, pumps, generators, and motors.
- Suitable for machinery condition monitoring and protection.
- Practical for replacement and maintenance of compatible Epro installations.
Technical FAQs
What are the respective functions of the PR6423/011-110-CN and CON021?
The PR6423/011-110-CN is the sensing element that detects changes in the target-to-probe distance. The CON021 performs the associated signal-conditioning function before the measurement is delivered to the monitoring equipment.
What type of target does the PR6423/011-110-CN measure?
The sensor uses eddy-current measurement and therefore operates with a suitable conductive machine target. In rotating machinery applications, the target is commonly a shaft or rotor surface.
Can this combination be used for both displacement and vibration monitoring?
The measurement chain can support displacement, position, eccentricity, and vibration-related measurements when configured with appropriate downstream monitoring equipment. The exact monitoring function depends on the complete system architecture.
What should be checked if the PR6423/011-110-CN+CON021 signal is abnormal?
Check the probe-to-target gap, probe alignment, mounting, sensor cable, CON021 connections and power, target condition, and monitoring-system input. Evaluating the complete signal path helps determine whether the problem originates from the sensor, converter, wiring, or monitoring equipment.