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氣體                    量程                    分辨率
LEL（催化燃燒）         *LEL          1%／10ppm
LEL（紅外）             *LEL               1%
CH4（催化燃燒）       5%VOL          0.01%
CH4（紅外）           *VOL           1%
O2                     30%VOL                0.1%
CO                     1,000ppm               1ppm
CO                     9,999ppm               1ppm
H2S                    500ppm                 0.1ppm
CO/H2S                （CO）500ppm          1ppm
                       （H2S）200ppm             0.1ppm
H2                     1,000ppm                1ppm
NO                     1,000ppm                1ppm
CL2                    100ppm                 0.1ppm
NO2                    100ppm                0.1ppm
SO2                    100ppm                0.1ppm
HCN                    30ppm                 0.1ppm
HCL                    30ppm                 0.1ppm
NH3                    100ppm                 1ppm
CLO2                   1ppm                  0.01ppm
PH3                     5ppm                  0.01ppm
PH3                     1,000ppm               1ppm
CO2                     5%VOL                0.01%
PID                     2,000ppm                0.1