EVS-EN 54-7:2001/A1:2002

This standard 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). For other types of smoke detector, or smoke detectors working on different principles, this standard should only be used for guidance. Smoke detectors with special characteristics and developed for specific risks are not covered by this standard