气体类型 :NO (0 to 3500 ppm, 0 to 14900 ppm); NO2 (0 to 500 ppm, 0 to 2100 ppm); NxOx (0 to 4000 ppm, 0 to 17000 ppm); SO2 (0 to 4000 ppm); CO2 (0 to Fuel Dependent Maximum); CO (0 to 4000 ppm (Hydrogen Compensated), 4001 to 80000 ppm, 0 to 99999 ppm)
气体类型 :NO (0 to 9999 ppm); NO2 (0 to 9999 ppm); NxOx (0 to 9999 ppm, 0 to 3500 ppm); SO2 (0 to 9999 ppm); CO2 (0 to Fuel Dependent Maximum); CO (0 to 9999 ppm)