EN 50057:1991

Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group II apparatus indicating up to 100% lower explosive limit

Name：EN 50057:1991   Standard name：Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group II apparatus indicating up to 100% lower explosive limit Standard number：EN 50057:1991   language：English language Release Date：27-Jun-1991   technical committee：CLC/TC 31 - Electrical apparatus for explosive atmospheres - General requirements Drafting committee：CLC/SC 31-9 - Electrical apparatus for the detection and measurement of combustible gases to be used in industrial   ICS number：

SLOVENSKI STANDARD
SIST EN 50057:1997
01-junij-1997
Electrical apparatus for the detection and measurement of combustible gases -
Performance requirements for group II apparatus indicating up to 100 % (v/v) lower
explosive limit
Electrical apparatus for the detection and measurement of combustible gases -
Performance requirements for Group II apparatus indicating up to 100% lower explosive
limit
Elektrische Geräte für das Aufspüren und die Messung brennbarer Gase -
Anforderungen an das Betriebsverhalten von Geräten der Gruppe II mit einem
Meßbereich bis zu 100 % der unteren Explosionsgrenze
Appareils électriques de détection et de mesure des gaz combustibles - Règles de
performances des appareils du Groupe II pouvant indiquer jusqu'à 100 % de la limite
inférieure d'explosivité
Ta slovenski standard je istoveten z: EN 50057:1991
ICS:
13.320 Alarmni in opozorilni sistemi Alarm and warning systems
29.260.20 (OHNWULþQLDSDUDWL]D Electrical apparatus for
HNVSOR]LYQDR]UDþMD explosive atmospheres
SIST EN 50057:1997 en
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