1.Gas pipe and Oil tube Ultrasonic detection 2.testing: NDT Ultrasonic testing 3.Scan mode: ... A,B,C type 4.ultrasonic test Gas pipe and Oil ... book-walled pipe, seamless steel tubes, welded gas and oil pipelines, nonferrous metals, ferrous metals and some non-metallic ... Data Gain 0-100dB,step 0.1dBDetection channels 1,2,4,8,16, 32 Operation mode Single probe ...