DIN EN 50056/A1 VDE 0400-3/A1:1996-01
Electrical apparatus for the detection and measurement of combustible gases
Performance requirements for Group I apparatus indicating up to 100 % (v/v) methane in air
German version EN 50056/A1:1995
Class/Status:
Standard,
withdrawn
Released: 1996-01
VDE Art. No.: 0400009