National Metrological Verification Regulations of the People's Republic of China
Latest
JJG 1055-2009
Scope
This procedure applies to the initial calibration, subsequent calibration and in-use inspection of online gas chromatographs (hereinafter referred to as instruments) used for natural gas trade transfer and atmospheric environment detection and analysis. The measurement performance test part of the online gas chromatograph type evaluation and identification can be carried out with reference to this procedure.
JJG 1055-2009 history
2009JJG 1055-2009 Verification Regulation of On-line Gas Chromatograph