National Metrological Verification Regulations of the People's Republic of China
Latest
JJG 2017-2005
Scope
This calibration system table is suitable for value transmission of underwater sound pressure measuring instruments in the frequency band of 1Hz to 5MHz. It stipulates the value transfer procedures, value transfer methods and optimal measurement capabilities between the underwater sound pressure measurement standard and the working measuring instruments. When performing calibration, it can be used as the basis for traceability of value.
JJG 2017-2005 history
2005JJG 2017-2005 Measuring Instruments for Underwater Sound Pressure
1987JJG 2017-1987 Verification Scheme of Measuring Instruments for Underwater Sound Pressure