Epro CON021/916-240+PR6426/010-140 32mm Eddy Current Sensor

The Epro CON021/916-240 + PR6426/010-140 is a high-performance eddy current displacement sensor system, designed for use in critical rotating machinery monitoring such as turbines, compressors, and large industrial motors. This configuration integrates the PR6426/010-140, a 32mm diameter sensor probe, with the CON021/916-240 signal converter, offering robust signal conditioning for high-accuracy proximity measurement and vibration monitoring.

As part of the PR6426 series, this model is tailored for large gap and heavy-duty applications, especially in environments where non-contact precision, wide temperature tolerance, and reliable long-term operation are essential. When paired with the CON021 converter, the sensor delivers precise, stable, and interference-resistant output, ready for integration into condition monitoring and machine protection systems.

Technical Specifications

Product Applications

The CON021/916-240 + PR6426/010-140 system is designed for industrial-grade applications involving large rotating or reciprocating components. Specific use cases include:

• Steam and Gas Turbines – Shaft radial vibration and axial thrust monitoring

• Centrifugal Compressors – Dynamic vibration and clearance analysis

• Large Motors & Generators – Misalignment, shaft eccentricity, and thermal growth detection

• Gear Trains and Gearboxes – High-load shaft motion monitoring

• Pump Systems in Refineries – Condition-based monitoring and early failure detection

• Hazardous Zone Equipment – Thanks to ATEX compatibility, it supports installations in explosive areas

The sensor system enhances machine reliability, operational safety, and downtime reduction, making it essential for industries such as oil & gas, power generation, petrochemicals, and heavy manufacturing.

Product Advantages

• Non-Contact Measurement with High Accuracy

  Designed for precise gap and displacement monitoring without physical contact, minimizing mechanical wear.

• Robust Mechanical Design

  Stainless steel housing, IP68 protection, and vibration-resistant build ensure reliable operation in harsh environments.

• Wide Measurement Range

  The 32mm probe supports an 8 mm measuring span, ideal for large-gap and shaft-end measurements.

• Excellent Thermal Stability

  Functions reliably in environments with temperatures up to 180°C, suitable for turbines and hot zones.

• Seamless Integration

  Works directly with CON021 converters for signal linearization, filtering, and output conditioning.

• Certified for Explosive Areas

  Fully compliant with ATEX requirements when installed in approved systems.

• Long-Term Signal Stability

  Low drift and high linearity ensure that once installed, recalibration is rarely required.

Frequently Asked Questions (FAQ)

1. Q: What does the “140” calibration code in PR6426/010-140 mean?

   A: It refers to the sensor’s sensitivity calibration – typically 140 mV/mm, optimized for precision monitoring.

2. Q: What is the function of CON021/916-240?

   A: It is a signal converter that processes and conditions the sensor output for integration into monitoring systems.

3. Q: Can this sensor be used in hazardous zones?

   A: Yes, it can be installed in ATEX Zone 1 or Zone 2 environments with proper certified configurations.

4. Q: What cable length is provided as standard?

   A: Typically 5 meters, but it can be customized depending on installation requirements.

5. Q: How is the sensor mounted?

   A: It is threaded with M30 x 2 threading for robust insertion into dedicated sensor ports.

6. Q: Is the system affected by electromagnetic interference?

   A: No, the system uses coaxial shielding and a robust signal converter to minimize EMI influence.

7. Q: What is the maximum vibration the sensor can withstand?

   A: It tolerates up to 20 g peak in the 10–2000 Hz frequency range.

8. Q: How often does the sensor need recalibration?

   A: Under normal operating conditions, recalibration is rarely needed due to its long-term stability.

9. Q: What materials are used in the probe housing?

   A: The housing is made of corrosion-resistant stainless steel, suitable for industrial environments.

10. Q: Is the converter included with the sensor?

    A: Yes, the CON021/916-240 converter is included as a paired unit in this configuration.