... port 3.Li battery power High-Tech Digital Ultrasonic Flaw Detector Introduction: The digital ultrasonic flaw detector is the portable industrial non- ... scanning (mm): 0~10000Steps: 2.5,5,10,20, 30,40,50,60,70,80,90, 100,150,200, 250 ... instrument)30000 values of thickness (300 sets)Standard communicationinterface with PCRS232/USBMeasuring unitmm/inchBatteryLi battery 7.4V 4800mAhPower adaptorInput 100V ...