EN 45544-2:2015
工作場所大氣 用于有毒氣體和蒸汽的直接檢測和直接濃度測量的電氣設備 第2部分：用于暴露測量的設備的性能要求
Workplace atmospheres - Electrical apparatus used for the direct detection and direct concentration measurement of toxic gases and vapours - Part 2: Performance requirements for apparatus used for exposure measurement