Electrical apparatus for the detection and measurement of flammable gases -- Part 2: Performance requirements for group I apparatus indicating a volume fraction up to 5% methane in air.
NORMA vydaná dňa 20.11.2002
Designation standards: UNE-EN 61779-2:2002
Note: NEPLATNÁ
Publication date standards: 20.11.2002
The number of pages: 19
Approximate weight : 57 g (0.13 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE