
Fire Detection And Fire Alarm System - Part 22: Line Type Heat Detectors
出版:Nederlands Normalisatie Instituut

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基本信息
标准编号: NEN EN 54-22:2007
发布时间:2007/2/1 0:00:00
标准类别:Draft
出版单位:Nederlands Normalisatie Instituut
标准页数:73
标准简介
Applies to LTHD consisting of a sensing element using an optical fibre, a pneumatic tube or an electrical sensor cable connected to a sensor control unit, or either directly or through an interface module to a control and indicating equipment intended for use in fire detection and fire alarm systems installed in buildings and tunnels. It also covers LTHD intended for use in the local protection of plants and machinery.
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