JJG 818-1993 "Eddy Current Measuring Instrument for Coating Thickness"

The standard "JJG 818-1993 eddy Current Thickness Gauges (Trial) " applies to the first verification, daily use and post-repair verification of eddy Current thickness gauges. The purpose of this standard is to provide the accuracy method of verification of eddy Current thickness gauges to ensure that the performance of the instrument is reliable in new manufacturing, use and maintenance, and meets measurement requirements.

This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.