看了null的用户又看了
成份 |
O2 |
N2 |
CH4 |
CO |
CO2 |
C2H6 |
C2H4 |
C2H2 |
H2S |
测定范围 | 20.9±5% | 78±10% | 0.5PPm~10% | 0.5PPm~0.3% | 1PPm~0.5% | 1PPm~0.3% | 1PPm~0.3% | 1PPm~0.3% |
0.5ppm |
最多添加5台