General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 18522.5-2002
Replace
GB/T 9359.6-1988
Scope
This part of GB/T 18522 specifies the main factors, test contents and methods of additional errors that may be caused by hydrological instruments due to changes or influences of working conditions. This section applies to various types of hydrological instruments (hereinafter referred to as "instruments"). If the product standard of the instrument only considers the total error and does not consider the additional error, the relevant tests specified in this part are exempted. If the instrument is a purely mechanical product, related tests involving electronic measurement may be exempted.
GB/T 18522.5-2002 history
2002GB/T 18522.5-2002 General specification for hydrometric instruments--Part 5: The operating condition's influences and test method