ISO-7240-7 Fire detection and alarm systems - Part 7: Point-type smoke detectors using scattered light, transmitted light or ionization

ISO-7240-7 - 4TH EDITION - CURRENT
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This document specifies requirements, test methods and performance criteria for point-type smoke detectors that operate using scattered light, transmitted light or ionization, for use in fire detection and alarm systems installed in buildings (see ISO 7240-1). This document also covers point-type smoke detectors that incorporate more than one smoke sensor operating on these principles. Additional requirements and test methods for such detectors are given in Annex N.

For the testing of other types of smoke detectors, or smoke detectors working on different principles, this document is only intended to be used for guidance. This document is not applicable to smoke detectors with special characteristics, developed for specific risks.

NOTE       Certain types of detectors contain radioactive materials.

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Document Number

ISO 7240-7:2023

Revision Level

4TH EDITION

Status

Current

Publication Date

July 1, 2023

Committee Number

ISO/TC 21/SC 3