?NORM EN 54-12: 2018现行
Fire alarm systems - Part 12: Smoke detectors - Line detector according to the transmitted light principle
出版：Osterreichisches Normungsinstitut/Austrian Standards
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基本信息
标准编号： ?NORM EN 54-12: 2018
标准类别：Standard
出版单位：Osterreichisches Normungsinstitut/Austrian Standards
标准页数：0
标准简介
This European Standard specifies the requirements, test methods and performance characteristics of linear detectors using the transmitted light principle, which detect smoke by evaluating the attenuation and / or changes in the attenuation of an optical beam in fire detection and fire alarm systems installed in buildings (see EN 54-1: 2011).
本标准替代的旧标准
