This standard specifies the structure, volume, technical requirements, test methods, inspection rules, marking, packaging and storage of cylindrical negative pressure samplers for gas detection tubes. This standard applies to round simple negative pressure samplers for gas detection tubes (hereinafter referred to as samplers) used in conjunction with longer gas detection tubes. It is also suitable for the negative pressure part of the cylindrical negative pressure and positive pressure dual-purpose sampler.
MT/T 628-1996 history
1996MT/T 628-1996 Technical conditions of cylindrical negative pressure sampler for gas detection tube