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Technology Application
LFET RFET BFET ECT Ultrasound OSET Support

TesTex uses a variety of state-of-the-art electromagnetic techniques to scan for defects in both ferrous and nonferrous materials and structures.

LFET RFET BFET ECT Ultrasound OSET Support
Boiler Tubes AGS Tanks Pipelines Feedwater Heaters Heat Exchangers Finned Tubes Condensers Welds
Radio Field Electromagnetic Technique Triton RFET
Balance Field Electromagnetic Technique Triton BFET
Off Surface Electromagnetic Technique OSET - Scout
Ultrasonic Inspection Helix XT IRIS Echo 20/20

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Echo 20/20
Ultrasonic Thickness Gauge

ECHO 20/20 UT Meter

The Echo 20/20 is an innovative, yet easy to use instrument for ultrasonic thickness gauging. This handheld thickness gauge is fully compatible with a full line of single and dual element transducers. The Echo 20/20 is also compatible with the Viper Crawler for hard to reach thickness measurements. A sunlight readable color display allows for optimal viewing in some of the toughest outdoor conditions and a simple, ergonomic keypad can be used by either a left or right handed operator, while having easy access to all functions.


  • Dual and single element transducer compatibility
  • Thickness range of 0.003″ (0.08 mm) to 6″ (152.4 mm). Dependent on material and transducer type
  • Echo to echo measurements on painted and coated surfaces
  • Standard resolution of 0.001″ (0.01 mm) for all transducers
  • Multilayer software option for measurements of up to two layers
  • Thickness and velocity measurements
  • Time based B-scan mode
  • Sunlight readable, TFT color liquid crystal display
  • Simple keypad for right or left hand operation
  • Internal microSD memory card storage
  • USB communication port
  • Direct export of internal files in Excel compatible CSV (comma-separated values) format
  • Download and upload thickness surveys to and from the gauge
  • Supports a quadrature encoder

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