EN 54-31:2014/A1:2016 火灾探测和火灾报警系统.第31部分:多传感器火灾探测器.雾,一氧化碳和选择性热传感器组合的点型探测器 包含修改件A1,2016
Fire detection and fire alarm systems - Part 31: Multi-sensor fire detectors - Point detectors using a combination of smoke, carbon monoxide and optionally heat sensors