Standard ID: MT/T 721-1997
Standard Name: Thermal conductivity high concentration methane sensor for gas extraction
Chinese Name: 瓦斯抽放用热导式高浓度甲烷传感器
Standard category:Coal Industry Standard (MT)
state:Abolished
Date of Release1997-12-30
Date of Implementation:1998-06-01
Date of Expiration:2006-12-01
Standard ICS number:Electrical engineering>>Electrical equipment for special working conditions>>29.260.20 Electrical equipment for explosive atmospheres
Standard Classification Number:Mining>>Mining Machinery and Equipment>>D98 Coal Mine Special Equipment
alternative situation:Replaced by AQ 6204-2006
Drafting unit:Coal Mine Safety Standardization Technical Committee of the Ministry of Coal Industry