Ultrasonic flaw detector is one of the portable non-destructive industrial machines, which can be used to detect, locate, evaluate and diagnose the internal flaws existing in workpieces (cracks, porosity, pores, inclusions, etc.) rapidly, conveniently, and accurately with no damage. However, the principle of ultrasonic flaw detector is still hard to understand for most of our users, and here is the introduction of the ultrasonic flaw detector theory for you.
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