NA 022

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

DIN EN 50054 ; VDE 0400-1:1993-07 [Withdrawn] references following documents:

Document number Edition Title
EN 50056 1991-06 Electrical apparatus for the detection and measurement of combustible gases; performance requirements for group I apparatus indicating up to 100 % (v/v) methane More 
EN 50057 1991-06 Electrical apparatus for the detection and measurement of combustible gases; performance requirements for group II apparatus indicating up to 100 % lower explosive limit More 
EN 50058 1991-06 Electrical apparatus for the detection and measurement of combustible gases; performance requirements for group II apparatus indicating up to 100 % (v/v) gas More 
ISO 4003 1977-02 Permeable sintered metal materials; Determination of bubble test pore size More