... Ultrasonic Thickness Gauge 1,Measurement Range: (0.75 ~ 300) mm (steel) 2,Sound Velocity Range: (1000 ~ 9999) m / s LK300 Ultrasonic Thickness ... , glass fiber and other any good conductors of ultrasonic thickness.2. Can be equipped with different frequencies, different ... vibration, anti-shock and electromagnetic interference(EMI).Specifications Display Method: High-contrast LCD display code segment, ...