
ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF FLAMMABLE GASES - PART 2: PERFORMANCE REQUIREMENTS FOR GROUP 1 APPARATUS INDICATING A VOLUME FRACTION UP TO 5 % METHANE IN AIR
出版:International Electrotechnical Committee

专家解读视频
Gives requirements for group 1 portable, transportable and fixed apparatus to detect and measure methane concentrations in mine air. The apparatus, or parts thereof are meant to be used in mines that are susceptible to firedamp.
NEN EN IEC 61779-2 : 2000 - Identical
BS EN 61779-2 : 2000 - Identical
NF EN 61779-2 : 2005 - Identical
AS/NZS 61779.2:2000 - Identical
SN EN 61779-2 : 2000 - Identical
DIN EN 61779-2 : 2001 - Identical
CEI EN 61779-2 : 2001 - Identical
UNE EN 61779-2 : 2002 - Identical
I.S. EN 61779-2:2003 - Identical