Calibration Gas Gas Name Carbon Monoxide Hydrogen Sulfide Methane Nitrogen Oxygen Sulfer Dioxide Gas Mixture 60 ppm CO 1.45 Percent LEL 15 Percent O2 20 ppm H2S 10 ppm SO2 Background Gas Nitrogen Cylinder Capacity 58 L Cylinder Material Aluminum Alloy For Use With Mfr No 10116925 10116927 Connection Size RP Max Pressure 500 psig Cylinder Dia 3 1/2 in Cylinder Height 14 1/2 in Accuracy +/-25 Percent Calibration Certificate NIST
