What is a Ultrasonic thickness gauge?

An ultrasonic thickness gauge is a device that measures the thickness of an object using ultrasonic waves. Ultrasound is a sound wave with a frequency exceeding 20 kHz and is inaudible to humans. The thickness of an object can be measured by applying this ultrasonic wave to the measurement surface and measuring the bounce time. It does not need to be pinched from both sides like a caliper, and it can be easily measured if one side is exposed. In addition, it is a device that can measure the thickness accurately without destruction because it is not necessary to cut the inside. On the other hand, it may not be possible to measure well depending on the material of the object to be measured and the condition of the surface.

Application of Ultrasonic thickness gauge

Ultrasonic thickness gauges are useful in various situations where thickness is measured. For example, the automobile industry. In recent years, automobiles have been made lighter, and thin and durable steel plates are used. The ultrasonic thickness gauge is also suitable for measuring the body of such a thin car, and can accurately measure even complicated shapes. It is also used for metal corrosion inspection. Piping that runs underground and inside buildings is unknowingly corroding. Corrosion leads to deterioration of pipes and accidents, and ultrasonic thickness gauges are also used for such corrosion inspection. It is very useful because it is non-destructive and can measure the decrease in thickness due to corrosion from the outside.

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