Fans. System effects and system effect factors1 Scope This document deals with the likely degradation of air performance of fans tested in standardized airways in accordance with ISO 5801 when compared with the performance of fans tested under actual site conditions. It deals with the performance of a number of generic types of fan and fittings. The results given are intended as guidelines and only provide trends, as the system effect depends on the exact geometry of the fan and disturbing

and limit smoke movement in the structure forming these routes

BS EN 60068-2-6:2008 supersedes BS EN 60068-2-6:1996

This standard is part of a series of international Standards that give the methods of acceptance testing and constancy testing for diagnostic X-ray equipment

mechanical and transmission performance characteristics of the cables

This allows categorization of bacteria as “susceptible” (S)

a microphone and other technology which enables video and audio recordings to be made

the length

Compliance with the testing methods and acceptance criteria recommended by BS 6944 can further help demonstrate whether or not the weld features are adequate to improve service performance

or various text/binary content (for retrieval of configuration data

mist and dusts and can also exist or be drawn inside the equipment because of changes in the internal operating pressure and temperature

Specialist clinics

– Test equipment