... memory 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, easily and ... , 300, 350, 400,450,500,600,700,800,900,1000,2000,3000,4000,5000,6000,7000,8000,10000Adjusting step: 0.1mm ...