超ちょう音おん波ぱ探たん傷しょう器き

noun

ultrasonic flaw detector; ultrasonic test instrument

Technical term for a device that uses ultrasonic waves to detect internal flaws in materials, commonly used in non-destructive testing.

• 超ちょう音おん波ぱ探たん傷しょう器きで溶よう接せつ部ぶの内ない部ぶ欠けっ陥かんを調しらべる。

  Inspect internal defects in the weld using an ultrasonic flaw detector.