... mode: A,B,C type scan Ultrasonic systems for Railway Industry1.Automatic (or semi-automatic) rail Ultrasonic detector 2.testing: NDT Ultrasonic ... Multi-channel Ultrasonic detector uses the most advanced digital electronic technology and ultrasonic technology.With utilitarian function,steady performance, ... JB ISO MH JG YBTechnique DataDetection channels : 1,2,4,8,16,32, Independence of the channel type, ...