REGULATIONS ON CALIBRATION - CALIBRATION OF GAS MEASURING MEANS
To ensure safety and prevent poisoning, gas leaks, ... gas measuring devices need to be periodically calibrated / calibrated.
In particular, for gas measuring equipment (belonging to group 2 measuring equipment), there will be regulations on calibration - calibration and verification according to B standard.
According to Circular 23/2013 / TT-BKHCN, the list of measuring instruments, measurement control measures and the cycle of measuring instruments must comply with the following regulations: https://thuvienphapluat.vn/van-ban/Cong-nghe-thong-tin/Thong-tu-23-2013-TT-BKHCN-do-luong-doi-voi-phuong-tien-do-nhom-2-210442.aspx
