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prEN 54-7 prA2

Components of automatic fire detection systems - Part 7: Point-type smoke detectors - Detectors using scattered light, transmitted light or ionization prEN 54-7 prA2

General information

40.20 DIS ballot initiated: 12 weeks   Aug 7, 1989

CEN

CEN/TC 72 Fire detection and fire alarm systems

European Norm

Life cycle

PREVIOUSLY

WITHDRAWN
EN 54-7:1982

NOW

IN_DEVELOPMENT
prEN 54-7 prA2
40.20 DIS ballot initiated: 12 weeks
Aug 7, 1989