技術參數
1.For measuring inside diameter.
2.Precision rods can gurantee the accuracy of measurement be free of the influence of threads resultant of forces.
3.The extension tube is made of carbon fiber tube. The carbon fiber tube has the characteristics of oil resistance, acid resistance, corrosion resistance, light weight, and its performance remains unchanged in both high-temperature and low-temperature environments.
4.Accuracy: According to the relevant national standard.
