Epro PR6426/000-021 32mm Eddy Current Sensor

Product Introduction

The Epro PR6426/000-021 Eddy Current Sensor is a precision proximity probe designed for non-contact measurement of shaft vibration, axial displacement, and rotational position in critical rotating machinery. With a 32 mm sensor head diameter, this model is part of Epro’s advanced PR6426 series, known for its reliability in harsh industrial environments such as turbines, compressors, and generators. The sensor utilizes the eddy current principle to deliver highly accurate measurements of metallic target motion and position without physical contact, ensuring minimal wear and maximum longevity.

This model is optimized for integration with Epro CON021 and CON041 converters, providing stable and linear output across a wide measuring range. Built with rugged stainless-steel housing and hermetically sealed construction, it offers excellent resistance to oil, moisture, and high temperatures, making it ideal for long-term monitoring in demanding applications.

Technical Specifications

Product Applications

The PR6426/000-021 is specifically designed for condition monitoring and vibration analysis in critical rotating machinery. Its precision and rugged construction make it suitable for use in:

• Steam and gas turbines for shaft vibration monitoring

• Compressors and pumps for radial displacement measurement

• Generators and motors for bearing and rotor position tracking

• Gearboxes and turboexpanders for early fault detection

• Process industries such as petrochemical, power generation, and marine propulsion systems

The sensor’s compatibility with Epro monitoring systems ensures real-time data acquisition and reliable integration with protection and control systems.

Product Advantages

• High Measurement Precision – Provides accurate displacement data even under extreme vibration or temperature conditions.

• Non-Contact Design – Eliminates mechanical wear, ensuring long-term stability and minimal maintenance.

• Wide Operating Range – Performs effectively in both low and high-speed rotating machinery.

• Robust Construction – Stainless-steel housing and hermetic sealing guarantee durability against oil, dust, and moisture.

• Excellent Linearity – Ensures consistent signal output across the full measurement range.

• Modular System Compatibility – Seamlessly integrates with Epro CON021 and CON041 for signal conditioning and data output.

• High Temperature Resistance – Designed to withstand harsh environments and maintain stable performance.

• Field Proven Reliability – Extensively used in industrial monitoring systems worldwide.

FAQ

1. What is the measuring principle of the PR6426/000-021 sensor?
   It operates using the eddy current principle, detecting changes in electromagnetic fields caused by the motion of conductive targets.

2. Can this sensor measure both radial and axial displacements?
   Yes, it is capable of measuring both radial shaft vibration and axial displacement depending on the installation orientation.

3. Is the PR6426/000-021 compatible with all Epro converters?
   It is fully compatible with Epro CON021 and CON041 converters, which provide calibration and signal conditioning.

4. How is linearity maintained over the measuring range?
   The sensor features precision-wound coils and calibrated electronics that ensure linear output characteristics across its range.

5. What is the frequency response capability of this sensor?
   The PR6426/000-021 provides frequency response up to 10 kHz (-3 dB), suitable for dynamic vibration monitoring.

6. Can this model be used in hazardous areas?
   Yes, with appropriate certification such as ATEX Zone 2 or equivalent when used with certified converters and cabling.

7. What materials are compatible with the sensing element?
   The sensor is designed for ferromagnetic and conductive materials such as steel, nickel, or cobalt alloys.

8. How does temperature affect sensor accuracy?
   The sensor’s internal compensation circuit minimizes drift over a wide temperature range, ensuring stable measurement.

9. Is the PR6426/000-021 suitable for integration into turbine monitoring systems?
   Absolutely, it is widely used for turbine vibration and axial displacement measurement in condition monitoring systems.

10. Does the sensor require field calibration after installation?
    Calibration is typically performed through the Epro converter, and no mechanical adjustment of the probe is required once installed.

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FAQ

1. What is the measuring principle of the PR6426/000-021 sensor?
   It operates using the eddy current principle, detecting changes in electromagnetic fields caused by the motion of conductive targets.

2. Can this sensor measure both radial and axial displacements?
   Yes, it is capable of measuring both radial shaft vibration and axial displacement depending on the installation orientation.

3. Is the PR6426/000-021 compatible with all Epro converters?
   It is fully compatible with Epro CON021 and CON041 converters, which provide calibration and signal conditioning.

4. How is linearity maintained over the measuring range?
   The sensor features precision-wound coils and calibrated electronics that ensure linear output characteristics across its range.

5. What is the frequency response capability of this sensor?
   The PR6426/000-021 provides frequency response up to 10 kHz (-3 dB), suitable for dynamic vibration monitoring.

6. Can this model be used in hazardous areas?
   Yes, with appropriate certification such as ATEX Zone 2 or equivalent when used with certified converters and cabling.

7. What materials are compatible with the sensing element?
   The sensor is designed for ferromagnetic and conductive materials such as steel, nickel, or cobalt alloys.

8. How does temperature affect sensor accuracy?
   The sensor’s internal compensation circuit minimizes drift over a wide temperature range, ensuring stable measurement.

9. Is the PR6426/000-021 suitable for integration into turbine monitoring systems?
   Absolutely, it is widely used for turbine vibration and axial displacement measurement in condition monitoring systems.

10. Does the sensor require field calibration after installation?
    Calibration is typically performed through the Epro converter, and no mechanical adjustment of the probe is required once installed.

Related Models (Same Series)

Popular Models from the Same Brand (Epro)

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