National Metrological Verification Regulations of the People's Republic of China
Latest
JJG 2060-2014
Scope
This calibration system table is applicable to the value transfer of pH (acidity) measuring instruments. It stipulates the methods and procedures for transmitting pH (acidity) values from the measurement benchmark to the working measuring instruments at all levels through the measurement standards, as well as the maximum value transfer time. Best measurement capabilities. When performing calibration, it can also be used as the basis for traceability of value.