EN 45544-3:2015 工作場(chǎng)所.有毒氣體和蒸氣的直接檢測(cè)和直接濃度測(cè)量用電氣設(shè)備.第3部分:用于測(cè)量遠(yuǎn)大于極限值的濃度的設(shè)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 3: Performance requirements for apparatus used for general gas detection