... LCD with touch screen USB, LAN, VGA Digital Ultrasonic Flaw Detector instrument used in mine ... our company. The device continues TOFD 400's advantages of being easily carried and operated, ... adapted to all kinds of detection environment.Real-time abundant help information. Remote technical support services ... 5MHz,2~10MHz,4~15MHz,0.5~30MHzWaveform Display ModeRF wave, Full-wave rectified, Positive half ...