IEC 61779-3 : 1.0被替代
ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF FLAMMABLE GASES - PART 3: PERFORMANCE REQUIREMENTS FOR GROUP 1 APPARATUS INDICATING A VOLUME FRACTION UP TO 100 % METHANE IN AIR
出版：International Electrotechnical Committee
專家解讀視頻
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. The test methods and requirements that apply to the apparatus that is covered by this standard are specified in part 1.
NF EN 61779-3 : 2005 - Identical
I.S. EN 61779-3:2003 - Identical
DIN EN 61779-3 : 2001 - Identical
CEI EN 61779-3 : 2001 - Identical
SN EN 61779-3 : 2000 - Identical
BS EN 61779-3 : 2000 - Identical
NEN EN IEC 61779-3 : 2000 - Identical
AS/NZS 61779.3:2000 - Identical
UNE EN 61779-3 : 2002 - Identical
