Epro PR6424/017-100 16mm Eddy Current Sensor

Product Introduction

The Epro PR6424/017-100 16 mm Eddy Current Sensor is a precision non-contact displacement sensor designed for high-performance vibration and shaft-position monitoring in industrial machinery. Using advanced eddy-current technology, it accurately measures both static and dynamic displacement of rotating shafts without physical contact, ensuring high reliability and minimal maintenance. The 16 mm stainless-steel sensor head and robust IP67 housing make it suitable for extreme process environments, including high temperature, high vibration, and chemically aggressive conditions.

Technical Specifications

Applications

• Turbomachinery Monitoring – Continuous monitoring of shaft radial displacement and vibration in turbines, compressors, and generators.

• Bearing Gap Measurement – Detects rotor movement relative to bearings for predictive maintenance and fault detection.

• Critical Pumps and Motors – Prevents damage from misalignment, imbalance, or cavitation by providing real-time displacement data.

• Industrial Condition Monitoring – Compatible with Epro CON021 drivers for integration into plant-wide vibration and displacement monitoring systems.

• Predictive Maintenance Programs – Supplies precise displacement signals for diagnostics software and machine health monitoring in power plants, refineries, and chemical plants.

Advantages

• High Accuracy – 8 mV/µm sensitivity ensures precise measurement of shaft displacement with minimal drift.

• Rugged Construction – Stainless-steel IP67 housing offers excellent protection against dust, moisture, and chemical exposure.

• Wide Operating Temperature – Stable performance between −35 °C and +180 °C.

• Fast Dynamic Response – DC to 10 kHz bandwidth captures both low-frequency shaft movements and high-frequency vibrations.

• Non-Contact Design – Eliminates mechanical wear, reducing maintenance and extending operational life.

• Flexible Integration – Fully compatible with Epro CON021 driver modules and most industrial monitoring systems.

FAQ

1. Which driver module is recommended for the PR6424/017-100 sensor?
   The Epro CON021 driver is recommended for precise excitation, calibration, and temperature compensation.

2. How does the sensor maintain accuracy under extreme temperatures?
   It uses temperature-stable coil materials and relies on the CON021 driver’s compensation circuits to keep measurements consistent across −35 °C to +180 °C.

3. What is the linear measurement range of the sensor?
   The sensor provides a linear range of ±2 mm around the calibrated mid-gap, suitable for standard turbine and motor monitoring applications.

4. Can the sensor operate in high-vibration environments?
   Yes, it withstands continuous vibration up to 20 g within 10–2 000 Hz without affecting signal accuracy.

5. Is it compatible with third-party monitoring systems?
   Yes, provided impedance matching and proper calibration are performed to maintain measurement accuracy.

6. What frequency range can the sensor measure accurately?
   The PR6424/017-100 supports DC to 10 kHz, capturing both slow displacement changes and high-frequency vibration events.

7. Does the sensor require field calibration?
   Field calibration is recommended using a micrometer gap reference to adjust the CON021 driver’s zero and gain settings.

8. Can it be used in hazardous locations?
   An ATEX-certified version is available, allowing safe use in Zone 1 and Zone 2 hazardous areas when paired with approved barriers.

9. What type of output signal does the sensor provide?
   It delivers a voltage signal proportional to displacement at 8 mV/µm, compatible with industrial vibration monitoring equipment.

10. How does the sensor prevent mechanical wear during operation?
    The non-contact eddy-current principle ensures no physical contact with the shaft, eliminating wear and extending service life.

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