Overview
The EPRO CON021 + PR6424/002-030 is an eddy current measurement system designed for non-contact monitoring of shaft displacement, eccentricity, and vibration in rotating machinery. It combines the CON021 signal converter with the PR6424 proximity sensor to measure both static and dynamic shaft movement. Furthermore, its wide frequency response supports continuous monitoring of rotating equipment.
Product Features
- Non-contact eddy current measurement of shaft displacement and vibration.
- Supports static and dynamic displacement measurement.
- Measures shaft eccentricity and vibration for rotating machinery monitoring.
- Combines the CON021 signal converter with the PR6424 sensor.
- Stainless steel sensor sleeve and PTFE cable construction.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | CON021 + PR6424/002-030 |
| Brand | EPRO |
| Product Type | Eddy Current Sensor System |
| Signal Converter | CON021 |
| Sensor Model | PR6424/002-030 |
| Measurement Principle | Eddy Current |
| Frequency Range | 0 to 20,000 Hz |
| Static Measurement Range | +/-2.0 mm |
| Dynamic Measurement Range | 0 to 1,000 um |
| Sensitivity | 4 V/mm (101.6 mV/mil) |
| Converter Power Supply | -23 to -32 VDC |
| Converter Operating Temperature | -30 to +100 deg C |
| Sensor Operating Temperature | -35 to +150 deg C |
| Converter Protection Class | IP20 |
| Sensor Material | Stainless steel sleeve |
| Cable Material | PTFE |
| Sensor Weight | Approximately 200 g |
| Certifications | ATEX, IECEx, CSA |
Measurement and Signal Processing
The PR6424/002-030 uses the eddy current principle to detect changes in the distance between the probe tip and a conductive shaft surface. It converts shaft movement into an electrical measurement signal. Meanwhile, the CON021 conditions the sensor signal for monitoring applications.
The system supports both static displacement and dynamic vibration measurements. For example, static measurements can indicate shaft position, while dynamic measurements help identify vibration behavior during machine operation. The specified frequency range extends to 20 kHz.
Operating Conditions
The converter and sensor have different operating temperature limits. Therefore, installation planning should consider each component separately rather than applying one temperature rating to the complete system.
In addition, the CON021 has an IP20 protection rating. The listed ATEX, IECEx, and CSA certifications relate to hazardous-area applications, but the applicable approval conditions and installation requirements should be checked against the specific converter configuration.
Frequently Asked Questions
Q: What is the difference between the CON021 and PR6424/002-030?
A: The PR6424/002-030 is the eddy current proximity sensor that detects shaft movement. The CON021 is the signal converter that conditions the sensor signal for monitoring purposes. Both components form the specified measurement system.
Q: Can this system measure both shaft displacement and vibration?
A: Yes. The system supports static displacement measurement and dynamic vibration measurement. Its stated static range is +/-2.0 mm, while its dynamic measurement range is 0 to 1,000 um.
Q: Can the system operate in hazardous areas?
A: The supplied specifications list ATEX, IECEx, and CSA certifications for the CON021. However, users should confirm the exact certification scope and installation conditions before selecting the equipment for a hazardous-area application.
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