British Standards Document
BS EN 54-12
Fire detection and fire alarm systems. Smoke detectors. Line detectors using an optical beam

https://doi.org/10.3403/30274681U

BS EN 54-12 is maintained by FSH/12/2. The current release of this standard is:

BS EN 54-12:2015 Fire detection and fire alarm systems. Smoke detectors. Line detectors using an optical beam

https://doi.org/10.3403/30274681 (published 30/04/2015)

This standard is available from the following sources:

Other historical versions of this standard document also exist:

BS EN 54-12:2002 [current until 30/04/2015]