ISO/TC 21/SC 3/WG 17 - Linear smoke detectors
Détecteurs linéaires de fumée
General Information
Frequently Asked Questions
ISO/TC 21/SC 3/WG 17 is a Subcommittee within the International Organization for Standardization (ISO). It is named "Linear smoke detectors". This committee has published 1 standards.
ISO/TC 21/SC 3/WG 17 develops ISO standards. Currently, there are 1 published standards from this subcommittee.
The International Organization for Standardization (ISO) is an independent, non-governmental international organization that develops and publishes international standards. Founded in 1947 and headquartered in Geneva, Switzerland, ISO brings together experts from 170+ member countries to share knowledge and develop voluntary, consensus-based standards that support innovation and provide solutions to global challenges.
A Subcommittee (SC) in ISO operates under a Technical Committee and focuses on a specific subset of the TC's scope. Subcommittees develop standards and technical specifications in their specialized area, reporting to their parent Technical Committee. They may also have working groups for detailed technical work.
This document specifies requirements, test methods and performance criteria for line-type smoke detectors for use in fire detection systems installed in buildings. The detectors consist of at least a transmitter and a receiver and can include reflector(s) for the detection of smoke by the attenuation and/or changes in attenuation of an optical beam. This document is not applicable to: - line-type smoke detectors designed to operate with separations between opposed components of less than 1 m; - line-type smoke detectors whose optical path length is defined or adjusted by an integral mechanical connection; - line-type smoke detectors with special characteristics, which cannot be assessed by the test methods in this document. NOTE The term “optical” is used to describe that part of the electromagnetic spectrum produced by the transmitter to which the receiver is responsive; this is not restricted to visible wavelengths.
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