Fire detection and fire alarm systems - Smoke detectors. Point detectors using scattered light, transmitted light or ionizationBS EN 54 7: 2001 specifies requirements, test methods and performance criteria for point smoke detectors that operate using scattered light, transmitted light or ionization, for use in fire detection and fire alarm systems for buildings (see EN 54 1: 1996). This European Standard includes point smoke detectors that incorporate more than one smoke sensor operating on these principles, and additional requirements and test methods for such detectors are

Greater thicknesses for sections and hollow sections may be agreed

Fire control centre functions

artistic displays

in particular those covered by the BS EN 81 series of standards

DD 8788-2 is for use by programmers

They are better suited for data processing than steel names established according to BS EN 10027-1

educational establishments

This is a combined specification for classification

The upper temperature of the cycle and the number of cycles determine the test severity

BS EN 13612 applies to in vitro diagnostic medical devices to:

you can be ensured of the technical delivery requirements for the following steel products

Method of test at ambient temperature