0-280mm,0.05-11.8inch (in Steel).
Sound Velocity Range:
500~9000m/s.
Resolution： 0.1mm;
Accuracy：
（0.5%H+0.1）mm, depends on materials and conditions
Units: Metric/Imperial unit selectable.
Power supply:
4x1.5 AAA size (UM-4) battery
Operating conditions:
0-+45℃(32℉-104℉)
90%RH
Dimensions:
140mm60mm22mm
Gloss Weight :1KG
Standard Delivery: Main Unit,8mm Probe,Coupling Oil, User Manual,Carrying Case