DIN EN 61779-3 VDE 0400-3:2001-07
Electrical apparatus for the detection and measurement of flammable gases
Performances requirements for Group I apparatus indicating à volume fraction up to 100 % methane in air
(IEC 61779-3:1998, mod.); German version EN 61779-3:2000
Class/Status:
Standard,
withdrawn
Released: 2001-07
VDE Art. No.: 0400027