This European Standard specifies performance requirements, test methods and marking requirements for half masks (re-usable) without inhalation valves and with separable filters (designed for a maximum of single shift use) to protect against gases or gases and particles or particles only. It does not cover devices designed for use in circumstances where there is or might be an oxygen deficiency (oxygen less than 17 % by volume) or for escape purposes.
DS/EN 1827+A1-2009由丹麦标准化协会 DK-DS 发布于 2009-08-30,并于 2009-08-30 实施。
DS/EN 1827+A1-2009在国际标准分类中归属于: 13.340.30 呼吸保护装置。
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