O2
0.01 % Vol.
0-1% Vol.,0-100% Vol.
CO
40 ppm
40 ppm 0-8000 ppm,0-100% Vol.
CO2
20 ppm
20 ppm 0-2000 ppm，0-100% Vol.
H2O
0.03 ppm
0.03 ppm 0-3 ppm,0-70% Vol.
H2S
2 ppm
2 ppm 0-200 ppm,0-30% Vol.
HF
0.01 ppm
0.01 ppm 0-1 ppm,0-1000 ppm
HCl
0.01 ppm
0.01 ppm 0-7 ppm,0-8000 ppm
HCN
0.2 ppm
0.2 ppm 0-20 ppm,0-1% Vol.
NH3
0.1 ppm
0.1 ppm 0-10 ppm,0-1% Vol.
CH4
10 ppm
10 ppm 0-200 ppm,0-10% Vol
C2H2
0.1 ppm
0.1 ppm 0-10 ppm，0-70% Vol.
C2H4
1.0 ppm
1.0 ppm 0-100 ppm，0-70% Vol.
CN
