Operating principle
Ultrasonic pulse/echo method with dual-crystal probes

Measuring Range
0.8¢¦300mm£¨standard method£©depending on probe ,material and surface condition

Unit , Display Resolution
mm-0.01£¬0.1
inch-0.001£¬0.01

Probe zero adjustment    1-Point Calibration£¨normal measurement£©
2-Point Calibration£¨curve surface measurement or other special application with a high precision£©
V-path correction:
Automatic
Measuring Error

Up to 10mm:¡¾0.05mm
Above 10mm: ¡¾(0.5%H+0.01)mm 

 H is the height of testing object

Repeatibility
¡¾0.05mm
Display
128¡¿64dot-matrix LCD screen with EL backlight£¨42¡¿57mm£©
Measuremet Update Rate
4Hz in Standard Mode
Material Velocity Range
1000¢¦9999m/s£¬0.0394¢¦0.3937in/us
Data Logger Capacity
Up to 500 readings can be divided into a maximum of 5 files(user-selectable)
Operating Language
English, Chinese
Power Supply
Two 1.5V  AA alkaline batteries warning with low battery voltage.
Operating Time
Up to 200 hours(without backlight with alkaline batteries)