Smoke and heat control systems - Specification for power output devices Ingestion-build-201039 Terms and Definitions – additional

Terms and Definitions – additional terms

which depends on the transmitter

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and equipment that are carried out during the operation and maintenance phase

Bubble point refers to the pressure at which the first flow of air through a liquid saturated fabric sample occurs and it is a measure of the largest pore-throat in a sample

Smoke and heat control systems - Specification for power output devices Ingestion-build-201039 Terms and Definitions – additional1 Scope This part of ISO 21927 specifies requirements and gives test methods for primary and secondary electrical and pneumatic power output devices, designed for use in smoke and heat control systems in buildings. NOTE A summary of functions is given in Annex A.