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DIN EN 50057 VDE 0400-4:1993-07

* German Language Version *

Electrical apparatus for the detection and measurement of combustible gases

Performance requirements for Group II apparatus indicating up to 100 % lower explosive limit

German version EN 50057:1991
Class/Status: Standard, withdrawn
Released: 1993-07
VDE Art. No.: 0400003

This Standard is withdrawn and is replaced by the following

Standard
withdrawn:

DIN EN 50057 VDE 0400-4:1999-07

Electrical apparatus for the detection and measurement of combustible gases

Performance requirements for Group II apparatus indicating up to 100 % lower explosive limit

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