
Gas Meters - Rotary Displacement Gas Meters
出版:Nederlands Normalisatie Instituut

专家解读视频
Defines ranges, construction, performances, output characteristics and testing of rotary displacement gas meters for gas volume measurement. It applies to rotary displacement gas meters used to measure the volume of fuel gases of the 1[st], 2[nd] and 3[rd] gas families.
UNE EN 12480:2003 - Identical
SS EN 12480:2002 - Identical
NS EN 12480:2002 - Identical
I.S. EN 12480:2002 - Identical
UNI EN 12480:2006 - Identical
NF EN 12480:2002 - Identical
NBN EN 12480:2002 - Identical
ONORM EN 12480:2002 - Identical
DIN EN 12480 (2007-09) - Identical
BS EN 12480:2002 - Identical
SN EN 12480:2002 - Identical
ONORM EN 12480:2009 - Identical