... 128 or more channels 3. ultrasonic flaw detect 1. Big Oil and Gas Pipe and tube detection---Ultrasound 2.reach the demands of ... can use the upper monitor to control it by cable and wireless network .The updating of various softeware, can be specially ... -100dB,step 0.1dBDetection channels 1,2,4,8,16 Operation mode Single probe transmitter and receiver, dual probe transmitter and receiverScan mode A,B,C ...