Epro PR6424/010-000 16mm Eddy Current Sensor

The Epro PR6424/010-000 is a high-precision, non-contact eddy current proximity sensor specifically developed for monitoring the dynamic behavior of rotating shafts and bearing components in critical industrial machinery. Designed with a 16mm probe tip, it is ideal for capturing radial and axial displacements in turbines, compressors, motors, and pumps, where accurate vibration and position monitoring is crucial to maintain operational integrity.

This sensor is part of the well-established PR6424 series by Epro, a division of Emerson, and is typically used in conjunction with the CON011 or CON021 converter modules. When integrated with monitoring systems such as VM600 or MMS6000, it delivers real-time feedback on shaft behavior, allowing operators to detect early-stage mechanical issues, avoid unscheduled shutdowns, and implement predictive maintenance strategies.

The PR6424/010-000 is constructed using corrosion-resistant stainless steel and is built to withstand harsh industrial environments. Its performance is stable across a wide temperature range and it demonstrates high immunity to electrical noise, making it suitable for operation in power plants, petrochemical units, marine machinery, and other critical facilities.

Product Specifications 

Product Applications

• Shaft Vibration Monitoring

  Continuously measures radial vibration of rotating shafts to identify imbalance, misalignment, or early bearing degradation.

• Axial Thrust Positioning

  Tracks the axial movement of turbine and compressor rotors to detect thrust bearing wear and axial load deviations.

• Machine Condition Monitoring

  Used as part of advanced condition monitoring systems for preventive maintenance and real-time diagnostics.

• Turbomachinery Surveillance

  Provides high-fidelity displacement data essential for safe operation of gas turbines, steam turbines, and expanders.

• Power Generation

  Applied in steam turbines and generators for vibration protection and dynamic rotor behavior analysis.

• Oil & Gas Processing Units

  Installed on critical rotating machinery in refineries, petrochemical plants, and offshore platforms.

Product Advantages

• High Accuracy and Stability

  Maintains excellent linearity and repeatability across the full measurement range, even under extreme conditions.

• Rugged Industrial Design

  Built with durable stainless steel housing for long-term reliability in corrosive and high-vibration environments.

• Wide Temperature Tolerance

  Operates in a broad temperature range suitable for applications with severe thermal fluctuations.

• Seamless Integration

  Fully compatible with Epro and Emerson converters and monitoring systems, facilitating easy retrofits and upgrades.

• Non-Contact Operation

  Eliminates mechanical wear, ensuring consistent performance and minimal maintenance.

• Immunity to Electrical Noise

  Shielded design allows stable signal transmission even in environments with strong electromagnetic interference.

• Field Proven

  Globally installed in thousands of high-speed machines with a strong reputation for reliability.

• Modular Configuration

  Sensor, extension cable, and converter are independently replaceable, reducing downtime and cost of maintenance.

FAQ

1. What type of signal does the PR6424/010-000 output?

   It provides a voltage output via the CON011 or CON021 converter, typically ranging from 0 to -20 V DC.

2. Which target material should be used for accurate calibration?

   Calibration is based on a target made from DIN 1.7225 steel, equivalent to AISI 4140.

3. What is the typical frequency response of the sensor?

   The sensor operates from DC to 10 kHz, allowing accurate detection of dynamic vibration signals.

4. Is the sensor compatible with third-party monitoring systems?

   Yes, as long as the system supports the voltage output format from the CON011 or CON021 converters.

5. How does temperature affect the sensor’s output accuracy?

   The sensor is thermally compensated and maintains stability across -35°C to +180°C, but final accuracy depends on correct converter calibration.

6. Can this sensor be used in high-vibration environments?

   Yes, it can withstand continuous vibration up to 100 m/s² and shock levels up to 500 m/s².

7. Is it suitable for measuring both axial and radial displacements?

   Absolutely. The probe can be installed for either axial or radial measurement depending on machine layout.

8. Does the probe require field recalibration after installation?

   While factory-calibrated, field recalibration may be required to compensate for mounting variations or specific machine dynamics.

9. How is electromagnetic interference mitigated?

   The sensor and cabling are shielded, and proper grounding practices ensure signal integrity in EMI-heavy environments.

10. Can the PR6424/010-000 be used in explosive environments?

    The sensor itself is not intrinsically safe unless installed with appropriate IS barriers and certified equipment in hazardous zones.