Guidance on the use of BS EN 40-3-1 and BS EN 40-3-31 Scope This Published Document gives guidance and background information to specifiers and manufacturers of lighting columns on the use of BS EN 4031 and BS EN 4033, which specify the design of lighting columns. In particular, it gives guidance on the information which the specifier is required to give to the manufacturer to allow a suitable lighting column to be designed, such as the topography factor, site wind speed, site altitude and terrain

for semiconductor pressure sensors

BS EN 50498 specifies limits and methods of measurement for conducted and radiated disturbances from ESAs in the frequency range of 30 MHz to 1 GHz and immunity requirements for conducted transients

BS EN 12903:2009 Products used for the treatment of water intended for human consumption

The method is applicable to all kinds of water and allows the determination of low-volatility lipophilic substances which are suspended

excepting the hazards arising from

Electrical distribution networks and management

The purpose of this part of ISO 10791 is not to provide a means of analysing the causes for the measured circular deviations

10 “Cigarette” method

seamless gas cylinder

Welding inspectors and related specialities

Where: Cn is the maximum permitted concentration (in particles/m3 of air) of airborne particles that are equal or larger than the considered particle size

an analysis of the risks has been carried out for each component that may be incorporated in a complete lift or service lift installation