EN 45544-3:1999 工作场所.有毒气体和蒸气的直接检测和直接浓度测量用电气设备.第3部分:用于测量远大于极限值的浓度的设备的性能要求
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 Measuring Concentrations Well Above Limit Values