用途

组分名称及常用浓度范围

平衡气

煤矿用

CH4 0.5% – 3.0%

Air

CH4 1% CO 500ppm CO2 1% O2 21%

N2

石化部门用

C3H8 0.5% – 1.26%

Air

C2H2 0.5% – 1.8%

Air

i-C4H10 0.18% – 1.08%

Air

H2 0.5% – 2.4%

Air

CO 0.5% – 7.5%

Air