... ISO9001,GOST FUNCTIONSSemiautomatic two point calibration,Automated calibration of transducer zero offset and/or material velocityFlaw Locating,Live ... .0 dB and locked.Test Modes, Pulse echo, dual element and thru-transmissionPulser,Tunable Square Wave PulserPulse Repetition Frequency ranges ... welding stream directly when you use angle transducer to detect. MITECH MFD510B Ultrasonic Flaw Detector