BS EN 61779-2:2000被替代
Electrical apparatus for the detection and measurement of flammable gases. Performance requirements for group I apparatus indicating a volume fraction up to 5% methane in the air
出版：British Standards Institution
专家解读视频
Gives the requirements for group 1 portable, transportable and fixed apparatus for detecting and measuring the methane concentrations in mine air. This apparatus, or parts of apparatus are meant for use in mines susceptible to firedamp. Applicable to apparatus meant for detecting and measuring the volume ratios of methane in air from a volume fraction of 0% up to 5%.
© British Standards Institution 2013
SS EN 61779-2 Ed. 1 (2000) - Identical
UNE EN 61779-2:2002 - Identical
IEC 61779-2 Ed. 1.0 - Identical
NBN EN 61779-2:2001 - Identical
I.S. EN 61779-2:2003 - Identical
NF EN 61779-2:2005 - Identical
DIN EN 61779-2 (2001-07) - Identical
NBN EN 61779-2 : 2001 - Identical
DIN EN 61779-2 : 2001 - Identical
NF EN 61779-2 : 2005 - Identical
UNE EN 61779-2 : 2002 - Identical
I.S. EN 61779-2:2003 - Identical
SN EN 61779-2 : 2000 - Identical
SN EN 61779-2 : 2000 - Identical
EN 61779-2 : 2000 - Identical
NBN EN 61779-2 : 2001 - Identical
DIN EN 61779-2:2001 - Identical
SN EN 61779-2:2000 - Identical
DIN EN 61779-2 : 2001 - Identical
NF EN 61779-2 : 2005 - Identical
I.S. EN 61779-2:2003 - Identical
IEC 61779-2 : 1.0 - Identical
UNE EN 61779-2 : 2002 - Identical
