1.帶電源開關 Manual power on/off. 2.任意位置清零和公英制轉換 Zero setting and mm/inch conversion at any position. 3.帶數(shù)據輸出口 With data output interface. 4.測量孔徑大于4mm的管壁厚 To measure the thickness of a pipe whose diameter is above 4mm.
