... Flaw DetectorIntroduction: The ultrasonic flaw detector is the portable industrial non-destructive flaw detector, which can rapidly, easily and ... and boiler pressure vessels, etc.The ultrasonic flaw detector is an essential instrument for non-destructive inspection industry ... ,5,10,20, 30,40,50,60,70,80,90, 100,150,200, 250, 300, 350, 400, ... 5AWorking temperature-10°C~40°CWorking humidity20%~90%