ISO 7240-3:2020
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ISO 7240-3:2020
72258

Abstract  Preview

This document specifies the requirements, test methods and performance criteria for audible alarm devices intended to signal an audible warning, with or without voice messages between a fire detection and fire alarm system and the occupants of a building.

This document specifies fire alarm audible alarm devices for two types of application environment, type A for indoor use and type B for outdoor use.

This document is not applicable to:

a) loudspeaker-type devices primarily intended for emitting emergency voice messages that are generated from an external audio source;

b) supervisory audible alarm devices, e.g. within the control and indicating equipment.


General information 

  •  :  Published
     : 2020-03
  •  : 2
     : 38
  •  : ISO/TC 21/SC 3 Fire detection and alarm systems
  •  :
    13.220.20 Fire protection

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std 2 158 Paper
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