... Portable Ultrasonic Flaw Detector 2 TFT LCD display 3 High accuracy 4 Test various flaws 5 CE,ISO9001,GOST FUNCTIONSSemiautomatic two point calibration,Automated calibration ... of transducer zero offset and/or material velocityFlaw Locating,Live display Sound-path, Projection (surface distance), Depth, Amplitude,Flaw ...