EN 50194-2:2019
家用易燃氣體探測用電氣設備.第2部分:娛樂車輛和類似經營場所中固定裝置連續運轉用電氣設備.附加試驗方法和性能要求
Electrical apparatus for the detection of combustible gases in domestic premises - Part 2: Electrical apparatus for continuous operation in a fixed installation in recreational vehicles and similar premises - Additional test methods and performance requir