... Transmitter: 1.Capable of detecting combustible gas & toxic gas. 2.Such as SF6, CH4, C2H6, etc. TGas-1033 Series Infrared ... ParameterCharacteristics Measured gases SF6, CH4, C2H6, C3H8, C4H10, C2H2, C2H4, CO, CO2Sampling methodDiffusionMeasurement principleInfrared (NDIR)Rangerefer to table of lectotypeResponse time1 ... gas0-100%±1%F.S.TGas-1033-CO-1CO gas0-20000ppm±2%F.S.TGas-1033-CO-2CO gas0-10%±1%F.S ...