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Part 3: Visual display requirements
This new edition of BS 5839-8 takes into account changes in technology
Annex B (informative) Information security risks and organizational risks
It applies to all types of organizations (especially small and medium-size enterprises that seek to grow) in manufacturing
Fire detection and fire alarm systems - Smoke detectors. Line detectors using an optical light beam Ingestion-build-83346 Part 3: Visual display requirementsBS EN 54 12: 2002 specifies requirements, test methods and performance criteria for line smoke detectorsutilising the attenuation and or changes in attenuation of an optical beam, for use in fire detection systems installed in buildings. This European Standard does not cover: line smoke detectors designed to operate with separations between opposed components of less than 1 m line smoke detectors whose optical path length is defined or adjusted by an