AS 7240.22:2018 PDF
The objective of this Standard is to specify requirements, test methods and performance criteria for smoke-detection equipment for ducts (SDED) for use in fire detection and alarm systems installed in buildings (refer to AS ISO 7240.1).
The SDED can use smoke detectors complying with ISO 7240-7 or other detectors complying with tests specified in this document.
A common application for SDED is to detect visible smoke, for which detectors using scattered light or transmitted light can be more suitable. However, requirements for detectors using ionization are also included in this document for use in applications where detection of less visible fire aerosols is desired.
For the testing of other types of smoke detectors or smoke detectors working on different principles, this document can be used for guidance. Smoke detectors with special characteristics, developed for specific risks, are not covered.
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