The TOFD / PE (time of flight diffraction and pulse echo) device is a very high quality ultrasonic measuring device, developed for TÜV Rheinland Sonovation, that is used to check and certify the quality of welds. The device is used in heavy machine building, oil and gas industry and offshore activities.

The device uses ultrasonic sound pulses to create an insight view of welds, thus making it possible to assess the quality of welds in a non-destructive manner. The measuring data is send by means of a pre-amp to an industrial laptop for analyses.