标准编号：ISO 7240-3:2020
中文名称：火灾探测和报警系统 第3部分：音响报警设备
英文名称：Fire detection and alarm systems — Part 3: Audible alarm devices
发布日期：2020-03
标准范围
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.
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