... 3.RS232/USB port 3.Li battery power Advanced Portable Ultrasonic Flaw DetectorIntroduction: The ultrasonic flaw detector is the ... portable industrial non-destructive flaw detector, which can rapidly, ... fixed levels: 2260,2730,3080,3230,4700,5920,6300,12000Adjusting steps: 1Working modeSingle probe (receiving and sending), double probe (one ...