... 2.testing: NDT Ultrasonic testing flaw detector 3.Scan mode: A,B,C type Automatic ultrasonic mechanical transmission system1.Multi-channels Ultrasonic scanning ... can be set to track the interface wave.8. Large screen, high-luminance, nice focus and clear display.9. Alarm ... can be widely used for titanium tubes, zirconium tubes, and book-walled pipe, seamless steel tubes, welded gas and oil pipelines ...