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洁净度是如何分级的标准是什么

更新时间: 2020-10-28 00:00:00     

洁净度的分级标准是按照空气中含尘浓度划定的,空气中含尘浓度低则空气洁净度高,含尘浓度高则空气洁净度低,以每立方米空气中的最大允许粒子数来确定其空气洁净度等级。

空气洁净度等级(aircleanlinessclass)是洁净空间单位体积空气中,以大于或等于被考虑粒径的粒子最大浓度限值进行划分的等级标准。

关键词: 洁净 如何 分级 标准 什么

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