This standard specifies the structure, volume, technical requirements, test methods, inspection rules, marking, packaging and storage of bellows-shaped negative pressure samplers for gas detection tubes. This standard applies to bellows-shaped negative pressure samplers for gas detection tubes (hereinafter referred to as samplers) used in conjunction with longer gas detection tubes.
MT/T 630-1996 history
1996MT/T 630-1996 Specifications for concertina-shaped negative pressure samplers for gas detection tubes