Manual

19
9.1 95-8616
Typical Cross Sensitivity of NH
3
Sensor (0-100 ppm)
Gas Concentration Reading
Alcohols 1000 ppm 0 ppm
Carbon dioxide 5000 ppm 0 ppm
Carbon monoxide 100 ppm 0 ppm
Hydrocarbons % Range 0 ppm
Hydrogen 10000 ppm 0 ppm
Hydrogen sulde 20 ppm ~ 2 ppm
1
1
Short time gas exposure in minute range.
Typical Cross Sensitivity of NH
3
Sensor (0-500 ppm)
Gas Concentration Reading
Alcohols 1000 ppm 0 ppm
Carbon monoxide 100 ppm 0 ppm
Chlorine 5 ppm 0 ppm
Nitrogen dioxide 10 ppm 0 ppm
Sulfur dioxide 20 ppm –40 ppm
Hydrogen 3000 ppm 0 ppm
Hydrogen sulde 20 ppm 2 ppm
Typical Cross Sensitivity of CO Sensor (0-100 ppm / 0-500 ppm)
Gas Concentration Reading
Hydrogen sulde 15 ppm ~ 45 ppm
Sulfur dioxide 5 ppm ~ 2.5 ppm
Nitric oxide 35 ppm ~ 10 ppm
Chlorine 1 ppm –1 ppm
Hydrogen 100 ppm < 40 ppm
Nitrogen dioxide 5 ppm ~ –3 ppm
Typical Cross Sensitivity of NO
2
Sensor (0-20 ppm)
Gas Concentration Reading
Alcohols 1000 ppm 0 ppm
Carbon dioxide 5000 ppm 0 ppm
Chlorine 1 ppm ≤ 1 ppm
Nitric oxide 100 ppm 0.4 ppm
Sulfur dioxide 20 ppm 5 ppm
Hydrogen 3000 ppm 0 ppm
Typical Cross Sensitivity of SO
2
Sensor (0-20 ppm / 0-100 ppm)
Gas Concentration Reading
Carbon monoxide 300 ppm < 1 ppm
Nitric oxide 50 ppm 0-5 ppm
Nitrogen dioxide 6 ppm < –10 ppm
Hydrogen Sulde 25 ppm < 0.1 ppm
Chlorine 5 ppm < –2 ppm
Ammonia 20 ppm 0 ppm
Hydrogen 400 ppm < 1 ppm
Hydrogen Cyanide 10 ppm < 5 ppm
Acetylene 10 ppm < 30 ppm
Ethene 50 ppm < 45 ppm
Typical Cross Sensitivity of Cl
2
Sensor (0-10 ppm)
Gas Concentration Reading
Carbon monoxide 300 ppm 0 ppm
Hydrogen sulde 15 ppm ~ –7.5 ppm
Sulfur dioxide 5 ppm 0 ppm
Nitric oxide 35 ppm 0 ppm
For details on other interfering gases, please contact Detector Electronics Corp.