Epro PR6424/016-021 16mm Eddy Current Sensor

Product Introduction

The Epro PR6424/016-021 16 mm Eddy Current Sensor is a high-precision, non-contact displacement probe specifically engineered for continuous monitoring of shaft vibration and position in demanding industrial applications. Utilizing advanced eddy-current technology, it provides highly accurate measurements of both static and dynamic displacement without mechanical contact, ensuring long-term reliability. Its 16 mm stainless-steel sensor head and rugged IP67 housing make it suitable for extreme environments, including high-temperature, high-vibration, and chemically aggressive conditions.

Technical Specifications

Applications

• Turbomachinery Monitoring – Measures radial shaft displacement and vibration for turbines, compressors, and generators in real time.

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

• Critical Pumps and Motors – Provides continuous monitoring to prevent imbalance, misalignment, and cavitation damage.

• Industrial Condition Monitoring – Integrates with Epro CON021 drivers for centralized vibration and displacement monitoring.

• Predictive Maintenance Programs – Supplies precise shaft displacement data for machine health diagnostics in power plants, refineries, and chemical processing facilities.

Advantages

• High Accuracy and Stability – Maintains 8 mV/µm sensitivity with minimal thermal drift.

• Rugged Construction – IP67 stainless-steel housing protects against dust, moisture, and chemical exposure.

• Wide Temperature Range – Reliable performance from −35 °C to +180 °C.

• Fast Dynamic Response – DC to 10 kHz bandwidth captures both slow and high-frequency vibration.

• Non-Contact Operation – Eliminates mechanical wear, reducing maintenance and extending sensor lifespan.

• Flexible Integration – Fully compatible with Epro CON021 driver modules and third-party monitoring systems.

FAQ

1. Which driver module is recommended for the PR6424/016-021 sensor?
   The Epro CON021 driver is preferred for accurate excitation, calibration, and temperature compensation.

2. How does the sensor maintain measurement stability under extreme temperatures?
   The sensor uses temperature-stable coil materials combined with the CON021 driver’s compensation circuits to maintain accurate readings from −35 °C to +180 °C.

3. What is the linear range of the sensor?
   It provides a linear range of ±2 mm around the calibrated mid-gap, suitable for most industrial shaft monitoring applications.

4. Can the sensor operate under high-vibration conditions?
   Yes, it withstands continuous vibration up to 20 g across the 10–2 000 Hz frequency range without loss of signal integrity.

5. Is it compatible with third-party monitoring systems?
   Yes, with correct impedance matching and calibration, it can integrate with most industrial vibration monitoring platforms.

6. What frequency range does the sensor support?
   The sensor provides a flat response from DC to 10 kHz (−3 dB), capturing both low-frequency displacement and high-frequency vibrations.

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

8. Can this sensor be used in hazardous locations?
   An ATEX-certified version is available, permitting safe operation in Zone 1 and Zone 2 hazardous areas when used with approved barriers.

9. What type of output signal is generated by the sensor?
   The sensor produces a voltage proportional to shaft displacement at 8 mV/µm, compatible with industrial monitoring systems.

10. How is mechanical wear avoided during operation?
    Non-contact eddy-current technology ensures no physical contact with the shaft, eliminating wear and extending operational life.

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