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YUSHI PM5 Gen2 High Pricision Ultrasonic Thickness Gauge, Testing Case 1 Tube with Anti-corrosion Coating

1. Application Scenario: Measurement of metal tube wall thickness covered with an anti-corrosion coating, without removing the coating layer. 2. Measurement Mode: Echo-to-Echo (E-EV) mode is used to bypass the coating and measure only the remaining metal thickness accurately. 3. Probe Selection: Equipped with a 2.25 MHz membrane-type contact probe, which offers excellent penetration and coupling on curved or coated surfaces. 4. Key Advantages: No need to remove paint or coatings Accurate and reliable readings through protective layers Ideal for corrosion and maintenance inspections 5. Applicable Industries: Suitable for oil & gas pipelines, chemical processing plants, power generation equipment, and other industrial assets requiring non-destructive coated surface measurements.

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YUSHI PM5 GEN2 Ultrasonic Thickness Gauge

Testing Case 1: Measurement of Tube with Anti-Corrosion Coating
Mode: E-EV (Echo-Echo) | Probe: 2.25 MHz Membrane Contact Probe

Application Overview:

In this test case, the YUSHI PM5 GEN2 ultrasonic thickness gauge is used to measure the wall thickness of a metal tube that has an anti-corrosion coating. The purpose is to accurately determine the remaining metal wall thickness, excluding the coating layer.

Measurement Method:

  • Measurement Mode: Echo-to-Echo (E-EV)

  • Probe Type: 2.25 MHz Membrane Contact Probe

  • Reason for Selection: The Echo-Echo mode allows the gauge to ignore the coating layer and measure only the substrate (metal) thickness. The 2.25 MHz membrane probe provides deeper penetration and stable signals, making it ideal for coated and slightly corroded surfaces.

Test Highlights:

  • Accurate Thickness Readings beneath protective coatings

  • No need to remove paint or anti-corrosion layer, ensuring non-destructive and time-saving inspection

  • Stable coupling on curved or uneven surfaces with membrane-style probe

  • Suitable for pipeline maintenance, industrial equipment inspection, and corrosion monitoring

Conclusion:

The YUSHI PM5 GEN2, combined with a 2.25 MHz membrane probe and Echo-Echo measurement mode, provides a reliable solution for measuring metal thickness through coatings. This setup is especially valuable in oil & gas, petrochemical, and power industries where coated pipelines are common.


Regarding Technical Parameters

Probe Types
Supply for Delay Line Probes, Contact Probes, Protective Film  Probes, Pen Type Probes, Water Immersion Probes and High Temperature  Probes
Calibration MethodsZero Calibration, Calibrate Sound Velocity, One-Point Calibration,  Two-Point Calibration, Set Sound Velocity, Material Sound Velocity  Table
Thickness Range0.01 mm ~ 38 meters, depending on the materials, probe surface  conditions, temperature and selected configuration/ 0.15mm～30mm（standard  D15A probe, steel）
Material Sound Velocity Range310 - 18699m/s The sound velocity can be calculated for objects with known thickness
Resolution (Optional)Low Resolution:0.1mm / Standard Resolution:0.01mm/  High  Resolution:0.001mm/  Ultra High Resolution (Optional)  0.0001mm or  0.1um（I-ME mode）
Probe Frequency Range0.5MHz～20 MHz
Measurement Unitsmm, inch, micron, mils
Measurement Update Rate4Hz, 8Hz, 16Hz per second optional


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Add：No.9, Shenbei Road, Shenbei New District, Shenyang, China 110136 Email：sales03@yushindt.com    QQ：3468612256 Phone：+8618640030218

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