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Sonatest Microgage III Ultrasonic Thickness Gauge


This item is subject to a 10 day delivery time

The variety of features offered by the Microgage III series allows the user to select a quality tool that will exceed their application needs. The Echo-to-Echo capability allows the measurement of the thickness of materials without removing paint or coatings. This model comes with colour display and live waveform (A-scan) installed.

Applications include:

  • Fibreglass Thickness (boats)
  • Coil Steel
  • Titanium (golf club heads)
  • Rubber Tyres
  • Thin Walled Components
  • Aerospace applications
  • Plastics Manufacturing

Kit Contents:

  • UT Thickness gauge
  • Transducer (10MHz with cable)
  • Operator manual
  • Cable
  • Couplant
  • Carry case


  • Thickness Range: 0.10mm – 508mm ( 0.004 – 20 ins), depending on
    material, temperature and transducer selection
  • Material Velocity Calibration Range: 0.508-18.699 mm/µsec (0.200-
    0.7362 in/µsec)
  • Battery type: 2 x AA alkaline
  • Battery Life: Up to 40 hrs (15hrs with backlight on)
  • Display: 220 x 170 Graphic Colour TFT display
  • Information Displays: LoS, min, max, large reading while displaying min
    at the same time, velocity, zero, calibration, units, freeze, unfreeze, % battery life remaining, gain – low, std, high, echo to echo symbol.
  • Units: English/Metric/Microseconds
  • Languages: English, German, French, Spanish, Czech, Finnish & others.
  • Resolution: 0.001 mm (0.0001 ins); 0.01mm (0.001ins)
  • Probe recognition: via pick list from menu
  • Delay line zero measurement: Auto at power up with listed numeric value. Ideal for correcting delay line wear/curvature and for transducer acoustic drift at elevated temperatures
  • Stored Setups: Ability to store up to 30 custom set ups to retain valuable parameter settings such as sound, velocity, gain, slope, range


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