Epro PR6424/119-021 16mm Eddy Current Sensor

The Epro PR6424/119-021 Eddy Current Sensor is a high-precision, non-contact displacement and vibration monitoring device engineered for industrial rotating machinery. Featuring a 16 mm sensor head diameter and a weight of 0.2 kg, it provides reliable and accurate measurement in harsh environments, making it ideal for critical monitoring applications.

This sensor belongs to the Epro PR6424 series and is designed for high-dynamic applications. Utilizing the eddy current principle, it measures changes in shaft position and vibration without contact, preventing mechanical wear and ensuring long-term reliability. The sensor can be integrated seamlessly with Epro CON021 and CON041 converters for signal conditioning and output standardization, allowing its use in turbine protection systems, condition monitoring setups, and industrial automation platforms.

Product Specifications

Product Applications

The PR6424/119-021 Eddy Current Sensor is widely used in applications requiring precise monitoring of rotating equipment:

• Turbine Shaft Monitoring – Continuous measurement of turbine rotor displacement and vibration.

• Power Generation – Monitoring generator shafts to detect unbalance, misalignment, or early-stage faults.

• Oil & Gas Industry – Condition monitoring of compressors, pumps, and rotating machinery in refineries or offshore platforms.

• Steel and Metallurgy – Measurement of shaft vibration and displacement in industrial drives and rolling mills.

• Marine & Offshore Applications – Monitoring propulsion and auxiliary machinery shaft movement.

• Industrial Process Equipment – Continuous vibration and displacement monitoring for pumps, blowers, and high-speed rotating machinery.

Product Advantages

The Epro PR6424/119-021 provides several technical advantages:

• Non-Contact Measurement: Eliminates wear and increases sensor longevity.

• High Precision: Provides accurate and linear displacement and vibration measurements.

• Rugged Industrial Design: Stainless steel housing with IP65 protection ensures reliability in harsh environments.

• Wide Frequency Range: DC to 10 kHz supports both slow displacements and high-frequency vibration detection.

• Seamless Integration: Compatible with CON021 and CON041 converters for signal conditioning.

• Environmental Stability: Shielded coaxial cable reduces electromagnetic interference.

• Versatility: Suitable for both turbine protection systems and general condition monitoring applications.

Frequently Asked Questions (FAQ)

1. How does the PR6424/119-021 detect displacement?

   It uses the eddy current principle, detecting changes in the electromagnetic field caused by movement of a conductive target. The change in field is converted into a proportional voltage signal.

2. Which converters are compatible with this sensor?

   The sensor works with Epro CON021 and CON041 converters, which provide power, condition the signal, and output standardized voltage for monitoring systems.

3. What is the sensor’s sensitivity?

   Standard sensitivity is 4 mV/µm, sufficient for detecting small shaft displacements and vibration amplitudes.

4. What frequency range does it support?

   It measures from DC to 10 kHz, allowing both static displacement and high-frequency vibration monitoring.

5. Can it measure vibration and static displacement?

   Yes, it is capable of monitoring dynamic vibration signals and static shaft displacement, making it suitable for industrial machinery applications.

6. Which target materials are compatible?

   It measures conductive materials such as steel and other metal alloys. Non-conductive targets cannot be detected.

7. How is the sensor powered?

   Power is supplied via a connected converter (CON021 or CON041), which also conditions the output signal for monitoring systems.

8. Is it suitable for turbine protection systems?

   Yes, it provides real-time displacement and vibration data for turbine monitoring and protection systems.

9. How does the sensor maintain accuracy in industrial environments?

   The stainless steel housing, IP65-rated sensor head, and shielded coaxial cable reduce electromagnetic interference and ensure reliable readings.

10. Does it support diagnostic features?

    When used with compatible converters, it can detect open-circuit or short-circuit conditions on the sensor line to alert operators of potential failures.