... : A,B,C 1.pipeline Ultrasonic test standard / UT of low carbon tubes2.testing: NDT Ultrasonic testing flaw ... A,B,C type scan4.Brand: IDEAUltrasonic testing /UT ProductHigh-speed multi-channel ultrasonic flaw detectorTypeUltrasonicDescriptionEight-channel ultrasonic ... channel ones up to 20KHz, usually 10KHzProbe modes: single probe transmitter and receiver, or pairs of probes, respectively transmitter ...