The steps of Using ultrasonic thickness gauges to measure high temperature objects：
first,choose the correct probe (special temperature probe) and high temperature coupling, and the following points should be paid attention to: A high temperature coupling agent is applied to the probe to fully cover the probe.
Second，ultrasonic thickness gauge control probe in the measurement of high temperature on the workpiece time (it is advisable to no more than 2 seconds), time is too long will lose coupling agent dry coupling effect, and can damage the probe chip.
Third，the change of temperature will be the change of the sound velocity of the material itself. Therefore, the correct sound velocity can be found and measured.
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