UM6800 Ultrasonic Thickness Gauge's video

TSINGTAO TOKY UM6800 Ultrasonic Thickness Gauge measuring range 1.0~300mm, display accuracy 0.01mm, material code 11 groups, sound speed adjustable range 500-9000m/s, probe 5M Φ8 Sensors, accuracy ± (0.5% n + 0.1)