技术参数
1.黄铜主体，抗磁性高 Brass body,high diamagnetic property.
2.表圈转动圈为金属外圈 Adjustable steel dial ring.
3.宝石轴承，机芯防震 Jeweled and shock proof.
4.测杆传动采用滚珠轴承结构 The measuring rod transmission adopts ball bearing construction.
5.具有公英制双读数功能 With mm and inch reading.
6.宝石测头采用人造刚玉 The contact point is made of artificial corundum.
