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- PR6423/017-030-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 PR6423/017-030-CN+CON021 8mm Eddy Current Sensor+Eddy Current Signal Converter combines an eddy current sensing element with a compatible signal-conversion stage for non-contact measurement of conductive targets. The combination is intended for machinery monitoring channels where shaft movement needs to be detected and converted into a usable electrical measurement.
The PR6423 sensor is installed near a conductive shaft or target surface, while the CON021 signal converter handles the sensor-side electrical interface and signal conditioning. Using the two components together creates a complete sensing path from the mechanical target to the downstream machinery monitoring equipment.
This arrangement is suitable for rotating equipment such as turbines, compressors, generators, motors, pumps, and other machinery where radial movement, axial position, or shaft displacement needs to be monitored. Non-contact sensing avoids mechanical contact with the rotating shaft during normal operation.
The combined sensor and converter should be treated as a complete measurement chain during installation and troubleshooting. Sensor positioning, target material, probe gap, wiring, converter operation, and the receiving monitoring system all affect the final measurement.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Epro |
| Model | PR6423/017-030-CN+CON021 |
| Product Family | PR6423 Series |
| Product Type | 8mm Eddy Current Sensor+Eddy Current Signal Converter |
| Primary Function | Non-contact conductive target displacement sensing |
| Sensing Principle | Eddy Current |
| System Role | Shaft displacement and position measurement |
| Typical Application | Rotating machinery monitoring and protection |
| Sensor Head Diameter | 8 mm |
| Weight | 0.22 kg |
Product Features
- Combined PR6423 Series eddy current sensor and CON021 signal converter.
- Non-contact detection of movement relative to a conductive target.
- Provides a sensor-side measurement and signal-conversion chain in one product combination.
- Suitable for shaft displacement, position, and vibration-related monitoring.
- Applicable to rotating machinery condition-monitoring systems.
- Suitable for turbine, compressor, generator, motor, and pump applications.
- Supports integration with compatible machinery monitoring equipment.
- Requires correct sensor installation and compatible downstream monitoring hardware.
- Useful for maintenance and replacement of existing eddy current measurement channels.
Working Principle
The PR6423/017-030-CN sensor establishes an electromagnetic field around the sensing area. When a conductive shaft or target moves closer to or farther from the sensor, the resulting eddy current response changes.
The CON021 Eddy Current Signal Converter receives the sensor response and converts it into a suitable signal for the associated monitoring system. This allows the physical movement detected at the shaft to be transferred into an electrical measurement that can be evaluated by downstream monitoring equipment.
Rotating Shaft / Conductive Target → PR6423/017-030-CN Sensor → CON021 Signal Converter → Machinery Monitoring System → Alarm / Protection
The sensor measures relative movement between the sensing head and target. Consequently, unwanted movement of the sensor assembly itself can influence the measured signal. Proper mounting, target geometry, installation gap, cable condition, and converter operation should therefore be considered together.
Role in an Epro Eddy Current Monitoring Architecture
The combined assembly occupies the field measurement and signal-conditioning stages of an eddy current monitoring channel. The sensor detects mechanical displacement, while the CON021 converts the sensor response into a signal that can be processed by the monitoring system.
Rotating Machinery → PR6423 Sensor → CON021 Converter → Monitoring Input → Machinery Protection / Control
| System Element | Function |
|---|---|
| Rotating Shaft | Provides the conductive target being monitored |
| PR6423/017-030-CN | Detects changes in target-to-sensor distance |
| CON021 | Converts and conditions the eddy current sensor response |
| Monitoring Input | Receives the converted measurement signal |
| Machinery Monitoring System | Evaluates shaft position or movement information |
| Alarm / Protection System | Generates configured alarm or protective responses |
The combined sensor and converter should be checked as a pair when diagnosing signal problems, while the complete monitoring channel should be considered before replacing either component.
Industrial Applications
| Application | Typical Use |
|---|---|
| Steam Turbines | Shaft position and displacement monitoring |
| Gas Turbines | Radial shaft movement measurement |
| Turbo Compressors | Shaft vibration and displacement monitoring |
| Generators | Rotor position and movement monitoring |
| Large Motors | Shaft condition and displacement monitoring |
| Pumps | Rotating shaft movement monitoring |
| Expanders | High-speed shaft displacement measurement |
| Industrial Turbomachinery | Continuous machinery condition monitoring |
| Process Plants | Critical rotating equipment protection |
Installation and Maintenance
- Confirm the complete PR6423/017-030-CN+CON021 configuration before installation.
- Verify that the sensor and CON021 converter are suitable for the intended monitoring channel.
- Isolate the monitored machinery and follow applicable safety procedures before working near rotating equipment.
- Inspect the sensor head, converter, connectors, and associated wiring for visible damage.
- Confirm that the sensor mounting arrangement provides sufficient mechanical stability.
- Position the sensor correctly relative to the conductive shaft or target surface.
- Establish the required sensor-to-target gap according to the applicable system requirements.
- Route the sensor and converter wiring to minimize mechanical stress, excessive bending, and avoidable electrical interference.
- Check all connectors and terminations for secure attachment and contamination.
- Verify the converter output and monitoring-system input after applying the required operating power.
- If the measurement is unstable, inspect the sensor position, target condition, cable path, converter, and monitoring input before replacing components.
- After replacement, verify the complete measurement chain and confirm correct machinery monitoring operation before returning the equipment to service.
Compatible System Components
| Component | Function |
|---|---|
| Epro PR6423/017-030-CN | Provides non-contact eddy current sensing |
| Epro CON021 | Converts and conditions the sensor response |
| Proximity / Extension Cable | Connects the sensing element with associated electronics |
| Machinery Monitoring Input | Receives the converted measurement signal |
| Vibration Monitoring System | Evaluates shaft movement and machinery condition |
| Alarm System | Indicates configured abnormal operating conditions |
| Machinery Protection System | Initiates configured protective responses |
| Conductive Shaft / Target | Provides the physical target for eddy current measurement |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Epro PR6423 Series | Eddy Current Sensor Family | Rotating machinery displacement sensing |
| Epro PR6423/016 Series | 8mm Eddy Current Sensor | Shaft movement monitoring |
| Epro PR6423/017 Series | 8mm Eddy Current Sensor | Rotating machinery monitoring |
| Epro PR6423/015 Series | 8mm Eddy Current Sensor | Shaft displacement measurement |
| Epro CON021 | Eddy Current Signal Converter | PR6423 sensor signal conversion |
| Epro CON031 | Eddy Current Signal Converter | PR6423 sensor signal conversion |
| Epro PR6423 Sensor + CON021 | Sensor and Signal Converter | Integrated eddy current measurement |
| Epro PR6423 Sensor + CON031 | Sensor and Signal Converter | Integrated eddy current measurement |
Key Advantages
- Combines an eddy current sensor with a dedicated signal converter.
- Provides non-contact measurement of conductive shaft movement.
- Supports displacement, position, and vibration-related monitoring.
- Reduces the need to treat the sensor and converter as unrelated parts of the measurement chain.
- Suitable for continuous monitoring of critical rotating machinery.
- Applicable to turbines, compressors, generators, motors, pumps, and other rotating equipment.
- Supports integration with compatible machinery monitoring and protection systems.
Technical FAQs
What is the role of the CON021 in this product combination?
The CON021 provides the interface and signal-conversion stage for the PR6423 eddy current sensor. It processes the sensor response so that the resulting measurement can be transferred to compatible monitoring equipment.
Why should the sensor and converter be checked together during troubleshooting?
The sensor and converter operate as successive stages of the same measurement channel. A problem with either stage can produce an abnormal output, so checking only the probe without verifying the converter can lead to an incomplete diagnosis.
What installation condition has the greatest effect on eddy current measurement?
The relative relationship between the sensing head and conductive target is critical. Sensor-to-target gap, alignment, target material and geometry, and mechanical stability should all be verified when commissioning the measurement channel.
Can the combined assembly be connected directly to any vibration monitoring input?
No. The converter output must be compatible with the receiving monitoring equipment and its input requirements. The complete sensor, converter, wiring, and monitoring-system configuration should be checked before installation or replacement.