Ultrasonic Thickness Gauge 1,measuring metal :steel, cast iron, aluminum, copper... 2,Measurement Range: (0.75 ~ 300) mm Ultrasonic Thickness ... Suitable for measuring metal (such as steel, cast iron, aluminum, copper, etc.), plastic, ceramic, glass, glass fiber and other any ... per second scan mode; Storage Capacity: can store 20 groups (each up to 100 measurements) thickness measurement data Operating ...