Cal Gas Co 25Ppm
Calibration Gas, Gas Name Oxygen, Carbon Monoxide, Hydrogen Sulfide, Pentane, Gas Mixture 19 Percent O2, 100Ppm Co, 25Ppm H2S, C5H12 25 Percent Lel, Background Gas Nitrogen, Cylinder Capacity 58L, Cylinder Material Aluminum, For Use With Multigas Monitors, Connection Size C-10, Max. Pressure 500 Psi, Cylinder Dia. 3-1/2 In., Cylinder Height 14-1/2 In., Accuracy +/-5 Percent, Calibration Certificate Nist