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1 Scope
This standard specifies the terms, classification, technical requirements, test methods, inspection rules and mark of gas detection and alarm instrument for workplace (hereinafter referred to as "detection and alarm instrument"). This standard is applicable to the production and application of flammable gas, toxic gas and oxygen detection and alarm instruments for domestic workplace; unless otherwise stated in relevant standard, the detection and alarm instrument used in other special places shall also comply with this standard. 2 Normative References The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent modification to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document is applicable to this standard. |