Calibration Gas Gas Name Carbon Monoxide Hydrogen Sulfide Methane Oxygen Gas Mixture 60 ppm CO 20 ppm H2S 15 Percent O2 1.45 Percent CH4 2.5 Percent CO2 Background Gas Nitrogen Cylinder Capacity 58 L Cylinder Material Aluminum For Use With MSA Gas Detectors Connection Size RP Max Pressure 500 psi Cylinder Dia 3 in Cylinder Height 13 3/4 in Accuracy +/-5 Percent Calibration Certificate NIST
