Measuring range (metric/imperial): 1.0 to 200 millimeter,0.05 to 8inch
Operating principle: ULTROSONIC
Materials measured: any hard materials, including steel, cast iron, aluminum, red copper, brass, zinc, quartz glass, polyethylene, PVC, gray cast iron, nodular cast iron and other materials
Sound velocity: 500 to 9000m/s
Calibration block: included
Resolution: 0.1 millimeter (TM8812C 0.01 millimeters)
Accuracy: about (5percentn add 1percent)
RS232C interface: with RS232C
Weight: 164 Gram (not including battery)