技术参数
1.For internal measurement.
2.Changeable anvils for wide measuring ranges.
3.Equipped with a φ57mm dial indicator.
4.With two measuring head frames, the measurement range is respectively φ20-φ50mm and φ50-φ200mm.
5.With two kinds of connecting rods to measure the internal holes of different depths range of measuring holes is 24-300mm(starting from below heat shield).
