ONORM EN 54-12 : 2015
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 12: SMOKE DETECTORS - LINE DETECTORS USING AN OPTICAL BEAM
08-11-2015
12-01-2013
Diese europäische Norm legt die Anforderungen, Prüfmethoden und Leistungsmerkmale für rückstellbare, optische lineare Rauchmelder fest, welche die Lichtdämpfung durch Rauch für die Erfassung eines Brandes auswerten. Es werden Konstruktion, elektrischer Aufbau, Kennzeichnung, Dokumentation und Prüfung behandelt.
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