Calibration Gas Gas Name Carbon Monoxide Hydrogen Sulfide Methane Oxygen Gas Mixture 25 ppm H2S 100 ppm CO 2.5 Percent CH4 18 Percent O2 0.5 Percent CO2 Balance N2 Background Gas Nitrogen Cylinder Capacity 58 L Cylinder Material Aluminum For Use With GasAlert Series Multigas Monitors Connection Size C-10 Max Pressure 500 psi Cylinder Dia 3 1/2 in Cylinder Height 14 1/4 in Accuracy +/-5 Percent Calibration Certificate Yes
