PR6426/010-140

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December 05, 2025
Category Connection: Emerson Module
Brief: Here’s a fast, informative look at what this solution does and how it behaves. This video provides a detailed walkthrough of the Emerson PR6426/010-140 Eddy Current Sensor, demonstrating its role in turbomachinery protection systems. You'll see how it integrates with extension cables and signal converters, and learn about its critical applications in monitoring radial shaft vibration, axial thrust, and differential expansion for industrial turbines and compressors.
Related Product Features:
  • The PR6426/010-140 is a high-performance eddy current sensor designed for turbomachinery protection systems.
  • It operates as part of a tuned oscillating circuit for precise measurement accuracy.
  • Requires proper matching with specific coaxial extension cables to achieve correct electrical lengths.
  • Interfaces with MMS 6000 series or standalone CON 0xx signal converters for reliable data acquisition.
  • Monitors radial shaft vibration to detect unbalance or misalignment in steam and gas turbines.
  • Detects axial thrust to prevent catastrophic rotor-stator contact in critical machinery.
  • Measures differential expansion between rotor and casing during thermal cycles.
  • Provides Keyphasor reference signals for rotational speed and phase angle measurement.
FAQs:
  • What components must be verified when replacing a PR6426/010-140 sensor?
    When replacing the sensor, you must verify compatibility with the extension cable, signal converter, and mounting adapter. Mismatched components can affect impedance, calibration, and overall system performance.
  • What are the primary monitoring applications for this eddy current sensor?
    The PR6426/010-140 is used for radial shaft vibration monitoring, axial thrust detection, differential expansion measurement, and providing Keyphasor reference signals in turbomachinery like turbines and compressors.
  • How can I ensure my complete measurement system is properly matched?
    To ensure proper matching, send photos of your cabinet or original Bill of Materials. We can provide the exact Sensor + Cable + Converter combination to eliminate the need for complete system recalibration.