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- PR6423/014-121+CON031
- 8mm Eddy Current Sensor
- Germany
- 8 mm
- 0.22 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Epro PR6423/014-121+CON031 combines an 8 mm eddy current sensor with an eddy current signal converter to form a complete proximity measurement interface for rotating machinery. The sensor provides non-contact detection of relative movement between the probe and a conductive shaft, while the CON031 handles the associated signal-conditioning function.
This combination is suited to machinery monitoring installations where shaft displacement, radial movement, axial position, or vibration-related motion must be transferred into a usable electrical signal. Combining the sensing element and signal converter simplifies the field measurement chain compared with treating the probe as an isolated component.
The PR6423 sensor is positioned close to the monitored conductive target. Changes in the probe-to-target relationship alter the sensor’s electrical response, which is then processed by the CON031 signal converter before being passed to the machinery monitoring system.
Typical installations include turbines, compressors, pumps, generators, motors, and other rotating equipment where continuous non-contact shaft monitoring is required. Correct sensor positioning and compatibility between the PR6423 probe and CON031 converter are essential for proper operation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Epro |
| Model | PR6423/014-121+CON031 |
| Product Family | PR6423 Series |
| Product Type | 8mm Eddy Current Sensor+Eddy Current Signal Converter |
| Primary Function | Non-contact shaft displacement measurement and signal conditioning |
| Sensing Principle | Eddy Current |
| System Role | Eddy current measurement and signal-conditioning interface |
| Typical Application | Rotating machinery vibration, displacement, and position monitoring |
| Sensor Head Diameter | 8 mm |
| Weight | 0.22 kg |
Product Features
- Combined PR6423 8 mm eddy current sensor and CON031 signal converter
- Non-contact measurement of conductive shaft movement
- Suitable for shaft displacement and vibration-related monitoring
- Integrates sensing and signal-conditioning functions into one measurement arrangement
- Suitable for continuous rotating machinery monitoring
- Applicable to turbine, compressor, pump, generator, and motor installations
- Supports connection to compatible machinery monitoring equipment
- Useful for machinery protection and condition monitoring applications
Working Principle
The PR6423/014-121 sensor detects changes in the distance between its sensing head and a conductive target through an eddy current sensing principle. Relative movement of the monitored shaft changes the electrical response of the probe circuit.
The CON031 Eddy Current Signal Converter receives the sensor signal and conditions it for use by downstream monitoring equipment. This allows the relatively small sensing response from the probe to be converted into a practical measurement signal for machinery monitoring.
Conductive Shaft / Target → PR6423/014-121 Sensor → CON031 Signal Converter → Machinery Monitoring System → Alarm / Protection
The sensor and converter therefore perform different but complementary functions. The PR6423 provides the physical measurement, while the CON031 handles signal conditioning. The monitoring system remains responsible for evaluating the measurement and applying configured alarm or protection logic.
Role in an Eddy Current Machinery Monitoring Architecture
The PR6423/014-121+CON031 combination occupies both the sensing and signal-conditioning stages of an eddy current monitoring chain. It provides a direct interface between mechanical shaft movement and the electrical input required by downstream monitoring equipment.
Rotating Shaft → PR6423/014-121 → CON031 → Monitoring Module → Alarm / Trip → Machine Protection
| System Element | Function |
|---|---|
| Rotating Shaft | Provides the conductive target being monitored |
| PR6423/014-121 | Detects relative shaft-to-probe movement |
| CON031 Signal Converter | Conditions the eddy current sensor response |
| Machinery Monitoring Module | Processes displacement or vibration-related information |
| Alarm System | Indicates abnormal machinery conditions |
| Protection Logic | Evaluates configured operating limits |
| Shutdown / Trip System | Initiates the required protective response |
This arrangement allows the sensor signal to be conditioned close to the measurement stage before being transferred to the machinery monitoring system.
Industrial Applications
| Application | Typical Use |
|---|---|
| Steam Turbines | Shaft displacement and vibration monitoring |
| Gas Turbines | Rotor movement and machinery protection |
| Compressors | Radial shaft movement monitoring |
| Pumps | Shaft position and vibration measurement |
| Generators | Rotor movement monitoring |
| Motors | Non-contact shaft condition monitoring |
| Expanders | High-speed rotating machinery monitoring |
| Industrial Turbomachinery | Continuous shaft displacement monitoring |
| Process Plants | Critical rotating equipment protection |
| Power Generation | Turbine and generator condition monitoring |
Installation and Maintenance
- Verify the complete PR6423/014-121+CON031 model designation before installation.
- Confirm that the sensor and CON031 converter are suitable for the existing measurement arrangement.
- Isolate the monitored machinery before installing or replacing the sensing assembly.
- Inspect the PR6423 sensor head for physical damage or contamination.
- Check the probe mounting position relative to the conductive shaft or target surface.
- Establish the probe-to-target gap according to the requirements of the associated measurement system.
- Maintain correct alignment between the sensor and monitored target.
- Check the sensor cable and converter connections for loose terminals or physical damage.
- Verify that the CON031 converter is correctly connected to the downstream monitoring equipment.
- Check the conditioned output signal during commissioning and confirm stable measurement behavior.
- Investigate abnormal readings by checking the probe position, target condition, wiring, converter, and monitoring interface.
- After replacement, verify the complete sensor-to-converter-to-monitoring chain before returning the machinery to normal service.
Compatible System Components
| Component | Function |
|---|---|
| Epro PR6423/014 Series Sensor | Provides non-contact eddy current measurement |
| Epro CON031 Signal Converter | Conditions the eddy current sensor signal |
| Proximity Extension Cable | Connects the sensor with associated electronics |
| Probe Mounting Hardware | Maintains the required sensor position |
| Machinery Monitoring Module | Evaluates shaft displacement and vibration information |
| Rotating Shaft / Rotor | Provides the conductive measurement target |
| Alarm System | Indicates abnormal machinery conditions |
| Machine Protection System | Performs configured protective actions |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Epro PR6423/014-010 | 8mm Eddy Current Sensor | Shaft displacement monitoring |
| Epro PR6423/014-030 | 8mm Eddy Current Sensor | Rotating machinery monitoring |
| Epro PR6423/014-040 | 8mm Eddy Current Sensor | Shaft movement measurement |
| Epro PR6423/014-121 | 8mm Eddy Current Sensor | Non-contact shaft monitoring |
| Epro PR6423/014-121+CON031 | Sensor + Signal Converter | Complete eddy current measurement chain |
| Epro PR6423 + CON021 | Sensor + Signal Converter | Machinery displacement monitoring |
| Epro PR6423 + CON031 | Sensor + Signal Converter | Eddy current signal conditioning |
| Epro PR6423 Series | Eddy Current Sensor Family | Rotating machinery monitoring |
Key Advantages
- Combines an 8 mm eddy current sensor with a compatible signal-conditioning stage.
- Provides non-contact measurement of conductive shaft movement.
- Suitable for displacement, position, and vibration-related monitoring.
- Reduces the need to treat the sensor and signal converter as separate measurement components.
- Fits into continuous machinery monitoring and protection architectures.
- Suitable for critical rotating equipment in industrial and power-generation applications.
Technical FAQs
What is the function of the CON031 in the PR6423/014-121+CON031 combination?
The CON031 serves as the signal-conditioning stage for the PR6423 sensor. It processes the sensor response into a signal that can be used by compatible downstream machinery monitoring equipment.
Why use the sensor and converter as a combined configuration?
The combined configuration establishes a complete sensing and signal-conditioning path. This can simplify the equipment arrangement when the application requires the PR6423 sensor to work with the corresponding CON031 interface.
What should be checked if the conditioned output is unstable?
Check the probe-to-target relationship first, including sensor alignment, mounting stability, target condition, and installation gap. Wiring, connector condition, the CON031 converter, and the downstream monitoring input should also be inspected.
Can the PR6423/014-121 sensor be paired with a different signal converter?
The converter should be selected according to the sensor configuration and the requirements of the installed monitoring system. Substituting a different converter without verifying the complete measurement interface can result in an incorrect or unusable signal.