This is the user manual for the TT TT220 digital coating thickness gauge, covering operation, calibration, and maintenance instructions.
The document provides a comprehensive guide for the TT TT220 digital coating thickness gauge. It explains the device's working principle based on magnetic induction for measuring non-magnetic coatings on ferrous metals. The manual details the standard configuration, which includes the main unit, a calibration plate, and a charging case. This manual is written in Chinese.
The gauge measures from 0 to 1250 µm with an error of ±(3%H+1) µm.