Epro PR6424/010-140 16mm Eddy Current Sensor

The Epro PR6424/010-140 16mm Eddy Current Sensor is a precision non-contact displacement and vibration measurement probe designed for high-performance industrial machinery monitoring. Part of the PR6424 series, this sensor is engineered to provide accurate, reliable, and stable readings in demanding environments such as turbines, compressors, pumps, and generators.

With a 16 mm sensor head diameter, the PR6424/010-140 offers excellent linearity and high sensitivity, even under harsh conditions including vibration, high temperature, and electromagnetic interference. When paired with Epro CON-series drivers (CON021, CON031, CON041), the sensor provides a stable, conditioned output suitable for machine protection systems and predictive maintenance platforms. This model is particularly suitable for applications requiring extended measurement range and high precision.

Product Specifications

Applications

The PR6424/010-140 is used across a variety of industries where precise non-contact measurement of rotating machinery is critical:

• Steam and Gas Turbines – Measures shaft displacement to detect imbalance and misalignment.

• Compressors – Monitors vibration and rotor position for safe operation.

• Pumps – Detects cavitation, mechanical wear, and shaft deflection.

• Generators and Electric Motors – Ensures stable operation and early fault detection.

• Petrochemical Industry – Reliable in hazardous environments, supports predictive maintenance.

• Machine Protection Systems – Integration into API 670-compliant monitoring platforms.

Advantages

The PR6424/010-140 16mm Eddy Current Sensor provides the following key benefits:

• High Precision – Accurate measurement of shaft displacement and vibration.

• Robust Construction – Stainless steel housing withstands industrial wear and harsh environments.

• Extended Measurement Range – Suitable for applications requiring larger gap measurements.

• Hazardous Area Certifications – ATEX and IECEx certified for safe use in explosive atmospheres.

• Wide Frequency Range – Captures both low- and high-speed rotational vibrations.

• Driver Compatibility – Fully compatible with Epro CON-series drivers for flexible deployment.

• Maintenance-Free Operation – Non-contact sensing reduces wear and operational interruptions.

• Predictive Maintenance Support – Enables early detection of mechanical issues and reduces unplanned downtime.

Frequently Asked Questions (FAQ)

1. Which driver modules are compatible with the PR6424/010-140?

   The sensor works with Epro CON021, CON031, and CON041 drivers, which provide excitation, signal conditioning, and linear output.

2. What is the nominal sensitivity of this sensor?

   The sensor produces roughly 7.87 mV/µm when used with a compatible driver, ensuring precise displacement measurement.

3. What frequency range does this sensor cover?

   It supports DC to 10 kHz, suitable for both low-speed and high-speed rotating machinery monitoring.

4. What is the maximum operating temperature for the probe head?

   The probe head reliably operates up to +180°C while maintaining linearity.

5. Can this sensor be used in hazardous areas?

   Yes, it is ATEX and IECEx certified for safe operation in explosive environments.

6. What is the linear measurement range?

   ±10% of the calibrated gap, providing stable and proportional output.

7. How is the sensor powered?

   Power is supplied via the connected CON-series driver, which also conditions the signal.

8. Is it suitable for API 670-compliant systems?

   Yes, it can be integrated into API 670 machine protection systems for reliable monitoring.

9. Does the sensor provide a direct output?

   No, the raw signal must be processed by the driver to produce a usable output.

10. Does cable length affect measurement accuracy?

    Yes, using the correct cable length is important to maintain calibration and signal fidelity.