- Display:4.5 digits LCD with EL backlight.

- Measuring Range:0.75～300mm (in Steel).

 - Sound Velocity Range: 1000~9999 m/s.

 -Resolution: 0.1/0.01mm 

 -Accuracy: ±(0.5%Thickness+0.04)mm, depends on materials and conditions

 -Units: Metric/Imperial unit selectable.

 -Four measurements readings per second for single point measurement, and ten per second for Scan Mode.

- Memory for up to 20 files (up to 99 values for each file) of stored values.

 - Power Source:Two AA size, 1.5 Volt alkaline batteries. 100 hours typical operating time (EL backlight off).

- Communication:RS232 serial port.

- Outline dimensions:150×74×32 mm.

- Weight:245g