?NORM EN 54-12: 2018現行
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
標準編號： ?NORM EN 54-12: 2018
標準類別：Standard
出版單位：Osterreichisches Normungsinstitut/Austrian Standards
標準頁數：0
標準簡介
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).
本標準替代的舊標準
