Epro PR6423/000-031+CON041-CN 8mm Eddy Current Sensor

The Epro PR6423/000-031+CON041-CN is a high-performance eddy current displacement sensor designed specifically for critical machine condition monitoring applications. Engineered by Epro (now part of Brüel & Kjær Vibro), this proximity probe system offers non-contact measurement of shaft displacement, eccentricity, axial thrust position, and vibration.

This specific model features a sensing tip diameter of 8 mm, making it well-suited for compact installation spaces and standard mounting conditions. The CON041-CN converter is pre-configured and calibrated to work precisely with the sensor and extension cable, ensuring high measurement accuracy and reliability across a wide range of industrial environments.

The PR6423 series is widely used in power plants, refineries, chemical plants, and rotating equipment applications, particularly for condition monitoring and machinery protection systems.

Product Specifications

Product Applications

The PR6423/000-031+CON041-CN is engineered for use in critical machine monitoring and protection environments where precise displacement and vibration data is essential. Primary applications include:

• Turbomachinery Monitoring

  Measurement of shaft vibration and position in turbines, compressors, and expanders.

• Motor and Generator Health Monitoring

  Detecting bearing wear, shaft movement, and misalignment in large electric machines.

• Pumps and Fans

  Continuous monitoring of rotating components to ensure reliability and reduce downtime.

• Gearboxes and Mechanical Drives

  Early fault detection in industrial gear-driven systems.

• Oil & Gas and Petrochemical Industries

  Installed in harsh process environments for real-time condition-based maintenance.

• Power Generation Facilities

  Used in fossil and nuclear plants for BOP and rotating equipment diagnostics.

Product Advantages

• Non-Contact Measurement

  Avoids physical wear and allows continuous operation with zero mechanical interference.

• High Measurement Accuracy

  Factory-calibrated system ensures precise displacement readings in micrometer resolution.

• Wide Operating Temperature Range

  Operates reliably under elevated temperatures and hostile environmental conditions.

• Robust Construction

  Stainless steel and sealed construction ensure long service life and mechanical durability.

• Complies with API 670

  Fully compatible with international standards for machinery protection systems.

• Flexible Integration

  Modular system architecture (sensor + extension + converter) simplifies system design and field upgrades.

• Pre-Configured CON041-CN

  Ready-to-deploy calibration avoids the need for onsite setup and matching.

• Resistant to Harsh Environments

  IP65 protection and optional ATEX certifications for hazardous area use.

Frequently Asked Questions (FAQ)

1. What is the sensing range of the PR6423/000-031 sensor?

   The typical measuring range is 2 mm, but it can be customized based on the converter configuration.

2. Is the sensor compatible with API 670 systems?

   Yes, the system is designed in accordance with API 670 standards for machine protection.

3. Can this sensor be used in high-temperature environments?

   Yes, the probe itself supports up to 180°C, suitable for turbines and compressors.

4. What does the “+CON041-CN” signify?

   It denotes the inclusion of a pre-calibrated converter module compatible with the sensor.

5. Is this sensor ATEX certified?

   ATEX certification is available on request for use in hazardous zones.

6. What cable length configurations are available?

   Standard lengths are 5+5 meters, but custom lengths can be ordered.

7. How do I connect the system to my vibration monitor?

   The CON041-CN provides a voltage output compatible with most standard vibration and position monitors.

8. Can I use the sensor underwater or in wet environments?

   It is rated IP65, suitable for wet environments but not continuous submersion.

9. Is field calibration required?

   No. The system is factory-calibrated and matched for immediate use.

10. What maintenance is required for this sensor?

    Minimal—only periodic visual inspection and connector checks are recommended.