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GN9000-W Gas Alarm Controller GN9000-S Gas Alarm Controller GN8010-C Combustible Gas Detector GN8010-E Toxic Gas Detector GN8020-C Combustible Gas Detector GN8020-E Toxic Gas Detector GN8080-C Portable Combustible Gas Detector GN8080-E Portable Toxic Gas Detector GN8030-C Combustible Gas Detector GN8010-IN Bus Control-Input Module GN8010-OUT Bus Control-Output Module Monitor Software-Gas Alarm Control System Gas Alarm Control System Integration Project

Add: Home >> Gas Detection Schedule List of the combustible/ vapor gases Gas types Molecular Formula Explosive limit（％Vol） Limit Alarm reference value（％Vol/25％LEL） Methane CH4 5.3 1.325 Ethane C2H6 3.0 0.750 Cyclohexane C6H12 1.2 0.300 Oxirane C2H4O 3.0 0.750 Propane C3H8 2.1 0.525 Isobutane C4H10 1.8 0.450 Pentane C5H12 1.7 0.425 Hexane C6H14 1.2 0.300 Heptane C7H16 1.1 0.275 Isooctane C8H18 1.0 0.250 Ethylene C2H4 2.7 0.675 Acetylene C2H2 2.1 0.525 Methanol CH3OH 5.5 1.375 Ethanol C2H5OH 3.3 0.825 Propanol C3H8O 2.0 0.500 Acetone C3H6O 2.5 0.625 Toluene C7H8 1.2 0.300 Xylene C8H10 1.1 0.275 Ethyl acetate C4H8O2 2.0 0.500 Hydrogen H2 4.1 1.025 Ammonia NH3 15.7 3.925 Diesel - 0.6 0.15   Note: The above combustible gases or flammable liquids used by the sensor steam Detecting Theory The catalytic combustion or semiconductor Other not listed in the table gas Please Call Advisory     List of the toxic gases Gas types Molecular Formula Measurement Range（ppm) Limit Alarm reference value（ppm） Carbon monoxide CO 1000 250 Hydrogen sulfide H2S 100/200 25 Ammonia NH3 100 25 Sulfur dioxide SO2 100 25 Nitric oxide NO 100 25 Nitrogen dioxide NO2 20 5 Oxygen O2 30%Vol 17%Vol And 23% Chlorine CL2 10 2 Chlorine Dioxide CLO2 1 0.2 Hydrogen H2 10000 2000 Hydrogen chloride HCL 50 10 Phosphine PH3 5 1 Hydrogen fluoride HF 10 2 Hydrogen cyanide HCN 100 20 Oxirane C2H4O 20 5 Formaldehyde CH2O 20 5 Ozone O3 5 2 Silane SiH4 50 10 Ethylene C2H4 2000 500 Carbon dioxide CO2 5000/100%Vol 1250/25%Vol   Note: The above toxic gas sensor used for Detecting Theory Electrochemical, Carbon dioxide sensor used for the infrared-detection principle . Other not listed in the table gas Please Call Advisory

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