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- PR6423/010-020-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 PR6423/010-020-CN+CON021 combines an 8 mm Eddy Current Sensor with a CON021 Eddy Current Signal Converter for non-contact monitoring of rotating machinery. The package covers the sensing and signal-conversion stages used between a monitored shaft and the downstream machinery monitoring system.
The PR6423/010-020-CN serves as the measurement element installed near a conductive rotating target. Shaft movement changes the distance between the probe head and the target surface, producing a corresponding change in the eddy current sensing response. The CON021 handles the associated signal-conversion function for the monitoring chain.
This arrangement is suitable for applications such as turbine, compressor, pump, and generator monitoring, where shaft movement needs to be detected continuously without mechanical contact. The probe can be installed close to a bearing or shaft measurement point while the signal converter forms the electrical interface with the monitoring equipment.
For replacement work, the complete probe-and-converter configuration should be checked rather than replacing the probe independently. Probe position, mechanical clearance, cable routing, converter connections, and the existing monitoring-system configuration all affect the final measurement.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Epro |
| Model | PR6423/010-020-CN+CON021 |
| Product Type | Eddy Current Sensor + Eddy Current Signal Converter |
| Sensor Model | PR6423/010-020-CN |
| Signal Converter | CON021 |
| Sensor Technology | Eddy Current Proximity Sensing |
| Sensor Head Diameter | 8 mm |
| Primary Function | Non-Contact Shaft Movement Measurement and Signal Conversion |
| Typical Application | Rotating Machinery Monitoring |
| System Role | Shaft Sensing and Signal Conditioning |
| Weight | 0.22 kg |
Product Features
The combination integrates an Epro eddy current probe with its associated signal-conversion stage for rotating machinery measurement.
Key characteristics include:
- Epro PR6423/010-020-CN eddy current sensor
- 8 mm sensor head diameter
- CON021 Eddy Current Signal Converter
- Non-contact measurement principle
- Suitable for conductive rotating targets
- Applicable to shaft displacement monitoring
- Suitable for vibration-related measurement applications
- Combines sensing and signal-conversion functions
- Suitable for turbine and compressor instrumentation
- Applicable to machinery condition monitoring systems
- Useful for machine protection applications
- Suitable for replacement of existing Epro probe-and-converter arrangements
The two-stage configuration separates the physical shaft measurement point from the signal-conversion stage, which is useful in machinery installations where the sensor must remain close to the monitored shaft.
Working Principle
The PR6423/010-020-CN+CON021 operates as a complete eddy current measurement path from the rotating shaft to the monitoring system.
Rotating Shaft → PR6423/010-020-CN → CON021 → Monitoring / Protection System
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Electromagnetic Sensing
The PR6423/010-020-CN generates an electromagnetic field at its sensor head.
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Target Interaction
The field interacts with the conductive rotating shaft. Changes in the distance between the probe and shaft affect the electrical response of the sensing circuit.
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Mechanical Movement Detection
Radial vibration, axial movement, or changes in shaft position modify the probe-to-target gap.
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Signal Conversion
The CON021 receives the probe signal and performs the associated signal-conversion function required by the monitoring arrangement.
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System Evaluation
The converted signal is passed to the machinery monitoring or protection system for measurement, alarm processing, condition evaluation, or protective action.
The probe establishes the physical measurement reference, while the converter handles the signal interface needed by the downstream system.
Role in a Rotating Machinery Monitoring Architecture
The PR6423/010-020-CN+CON021 forms the front-end measurement chain for monitoring shaft movement.
Shaft → PR6423/010-020-CN → CON021 → Monitoring System → Alarm / Protection
| System Element | Function |
|---|---|
| PR6423/010-020-CN | Detects changes in the shaft-to-probe gap |
| CON021 | Converts and conditions the eddy current sensor signal |
| Rotating Shaft | Provides the conductive measurement target |
| Sensor Cable | Connects the probe with the associated electronics |
| Machinery Monitoring Module | Evaluates displacement or vibration information |
| Protection System | Processes alarm and protective limits |
| Control System | Uses available machinery-condition information |
Industrial Applications
| Application | Typical Use |
|---|---|
| Steam Turbines | Monitoring shaft vibration and displacement |
| Gas Turbines | Rotor and shaft movement monitoring |
| Turbo Compressors | Shaft condition monitoring near bearing locations |
| Centrifugal Compressors | Non-contact rotating shaft measurement |
| Pumps | Monitoring shaft movement and vibration |
| Generators | Rotor and shaft monitoring |
| Gearboxes | Monitoring selected rotating shaft positions |
| Critical Rotating Equipment | Continuous machinery-condition and protection monitoring |
The combined sensor and converter arrangement is applicable where the machine monitoring system requires an eddy current measurement chain between the rotating target and downstream instrumentation.
Installation and Maintenance
- Confirm the complete PR6423/010-020-CN+CON021 configuration before installation.
- Verify the PR6423/010-020-CN sensor model and 8 mm sensor head.
- Confirm the CON021 converter and its associated connections.
- Inspect the probe mounting location for contamination or mechanical damage.
- Position the probe correctly relative to the conductive shaft.
- Establish the required probe-to-target clearance according to the applicable monitoring-system requirements.
- Secure the probe to prevent mechanical movement during machine operation.
- Route the probe cable safely between the sensor and converter.
- Check all electrical connections at the probe and CON021.
- Verify the converted signal before normal machine operation.
- Compare the measurement against the expected shaft condition.
- Recheck the probe position after bearing, shaft, or housing maintenance.
- Inspect the converter connections and cable condition during scheduled instrumentation maintenance.
If an abnormal signal occurs, inspect probe position, mechanical clearance, shaft condition, cable connections, CON021 operation, and downstream monitoring electronics before replacing components.
Related Components
| Component | Function |
|---|---|
| Epro PR6423/010-020-CN | 8 mm eddy current sensing element |
| Epro CON021 | Eddy current signal converter |
| Sensor Cable | Connects the probe with the signal-conversion stage |
| Machinery Monitoring Module | Receives and evaluates converted measurement signals |
| Machine Protection System | Provides alarm and protective functions |
| Bearing Housing | Provides the mechanical mounting location for the probe |
| Rotating Shaft | Conductive target used for non-contact measurement |
| Monitoring Software | Displays and evaluates machinery-condition data |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Epro PR6423 Series | Eddy Current Sensor | Shaft displacement and vibration measurement |
| Epro PR6424 Series | Eddy Current Sensor | Rotating machinery monitoring |
| Epro CON Series | Eddy Current Signal Converter | Probe signal conversion |
| Epro MMS 6000 Series | Machinery Monitoring System | Vibration and machine-condition monitoring |
| Epro MMS 3000 Series | Machine Monitoring System | Machinery protection and monitoring |
| Epro Proximity Measurement Systems | Eddy Current Measurement Technology | Non-contact shaft monitoring |
Key Advantages
- Combines the PR6423/010-020-CN 8 mm Eddy Current Sensor with a CON021 Eddy Current Signal Converter.
- Provides both sensing and signal-conversion stages in one configuration.
- Uses non-contact measurement for conductive rotating targets.
- Suitable for shaft displacement and vibration-related monitoring.
- Separates the probe installation point from the signal-conversion stage.
- Applicable to turbines, compressors, pumps, generators, and other rotating machinery.
- Suitable for continuous machine-condition monitoring.
- Useful for machinery protection and maintenance applications.
Technical FAQs
What components make up the Epro PR6423/010-020-CN+CON021 configuration?
The configuration consists of the PR6423/010-020-CN 8 mm Eddy Current Sensor and the CON021 Eddy Current Signal Converter. The probe performs the physical sensing function, while the converter handles the associated signal-conversion stage.
Why is the CON021 used with the PR6423/010-020-CN?
The probe detects changes in the distance between the sensor and conductive target, while the CON021 provides the signal-conversion interface for the downstream monitoring arrangement. The two components therefore form a complete measurement path rather than a standalone probe installation.
What type of machinery can use the PR6423/010-020-CN+CON021 combination?
Typical applications include turbines, compressors, pumps, generators, and other critical rotating machinery. The combination can be used where non-contact monitoring of shaft displacement, position, or vibration-related movement is required.
What installation factors are most important for this Epro sensor and converter combination?
The main points are correct probe positioning, stable mounting, appropriate probe-to-target clearance, proper cable routing, and correct CON021 connections. The complete signal path should be verified before the machinery is returned to normal operation.