Inspection of Multi-Pass Welds (EMAT)

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Ultrasonic inspection of multi-pass welds just after each welding pass, by means of guided waves at temperatures of up to 200 ºC.TEMATE IWW is designed to detect defects on multi-pass welds during the welding process. The system uses non-contact EMAT sensors to detect both surface and sub-surface defects on every pass immediately after it has been deposited on the part. The proprietary technique permits inspection at high temperatures without couplant, thus providing a very effective process control during welding that can eliminate or highly reduce expensive repairs on finished welds.


  • Non-contact EMAT technique.
  • Permits inspection on hot surfaces without cooling.
  • Volumetric inspection with guided waves, detecting both surface and internal defects (LOP, LOF, etc.) at any orientation.
  • Manual and automated solutions.
  • High inspection speed (up to 1 m/s).
  • Successfully tested on Carbon Steel (cladded and non-cladded) and Stainless Steel.
  • Simple to use by operators without UT experience.