https://www.mikrometry.com/detection-principle-and-classification-of-thickness-gauges.html Detection Principle and Classification of Thickness Gauges Up to now, the nondestructive testing technology of thickness gauges on the market has become an indispensable means for the processing industry to inspect the quality of finished products for users and ensure that the products meet high-quality standards. There are basically three types of thickness gauges as follows: three types of thickness gauges using magnetic measurement, eddy current measurement and ultrasonic measurement.All Rights Reserved