Used to calibrate the unit within the vernier calipers and other gauges of the measurement block belongs to the class A measuring equipment; the other coordinate measuring machine belongs to the class

Used to calibrate the unit within the vernier calipers and other gauges of the measurement block belongs to the class A measuring equipment; the other coordinate measuring machine belongs to the class A or class B! Measurement blocks, vernier calipers and three coordinates should belong to Class B measuring equipment, the specific classification rules are as follows:

Class A measuring equipment: including the national mandatory calibration of measuring equipment, mainly for trade settlements, safety and security, medical and health care, environmental monitoring and other aspects of and included in the mandatory management of measuring instruments directory of measurement equipment; factory inspection of products using the main measuring equipment; used for critical Measuring equipment for critical measurement processes.

Class B measurement equipment: including measurement equipment for production process control; for internal energy, material accounting, workshop quota management measurement equipment.

C class measurement equipment: including the production process for the general indication of the measurement equipment; only as a tool for the use of measurement equipment.