Calibration Gas Gas Name Carbon Monoxide Hydrogen Sulfide Methane Oxygen Gas Mixture 15 Percent O2 60 ppm CO 20 ppm H2S 1.45 Percent CH4 Background Gas Nitrogen Cylinder Capacity 58 L Cylinder Material Aluminum For Use With Mfr No 10090344 and Mfr No 10051149 Connection Size RP Max Pressure 500 psi Cylinder Dia 6 1/4 in Cylinder Height 15 1/4 in Accuracy +/-5 Percent Calibration Certificate NIST
