Smoke and heat control systems - Specification for power output devices Ingestion-build-201039 BS EN 13087 is a

BS EN 13087 is a European standard on protective helmets that discusses the test method for protective helmets retention system to improve the effectiveness of the retention system

which depends on the transmitter

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

vessels and bunkers

Smoke and heat control systems - Specification for power output devices Ingestion-build-201039 BS EN 13087 is a1 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.