Calibration Gas

100 ppm Carbon monoxide, 5 ppm Nitrogen Dioxide, 18% Oxygen, 2.5% Methane 1 100 ppm Cl2 1 125 ppm 0.0001 - 0.05% Hydrogen Sulfide, 99.95 - 99.9999% Nitrogen 1 15% Oxygen, 300 ppm Carbon Monoxide, 35 ppm Hydrogen Sulfide, 1.3% Methane 1 15% Oxygen, 60 ppm Carbon Monoxide, 20 ppm Hydrogen Sulfide, 2.5% Carbon Dioxide, 1.45% Methane 1 15% Oxygen, 60 ppm Carbon Monoxide, 20 ppm Hydrogen Sulfide, 2.5% Methane 1 2.5% CH4, 20.9% O2, 25 ppm H2S, 100 ppm CO, N2 Balance 1 2.5% Methane 1 20.9% Oxygen, Nitrogen Balance 1 25 ppm 0.0001 - 0.05% Hydrogen Sulfide, 99.95 - 99.9999% Nitrogen 2 25 ppm 0.0001 - 1% Ammonia, 74.1 - 99.9998% Nitrogen, 0.0001 - 20.9% Oxygen 1 25 ppm H2S, 100 ppm CO, 50% LEL Methane 19% O2, N2 1 25 ppm H2S, 18% O2, 25% LEL Pentane 1 25 ppm NO2 1 25 ppm SO2, N2 Balance 1 25% LEL Propane 1 300 ppm Carbon Monoxide 1 40 ppm Hydrogen Sulfide, N2 Balance 1 5 ppm Nitrogen Dioxide 2 5% Carbon Dioxide 1 50 ppm 0.001 - 0.0999% Carbon Monoxide, 76.4001 - 80.499% Nitrogen, 19.5 - 23.5% Oxygen 1 50 ppm Carbon Monoxide 1 50 ppm H2S, N2 1

HCN 1 Hydrogen Chloride 1 Hydrogen Sulfide 3 Hydrogen Sulfide, Carbon Monoxide, Methane, Oxygen 1 Hydrogen Sulfide, Nitrogen 1 Methane 2 NO2 4 O2, H2S, Pentane 1 Oxygen 1 Oxygen, Pentane, Carbon Monoxide, Hydrogen Sulfide, Sulfur Dioxide, Nitrogen 1 Phosphine 1 Propane 2 Sulfur Dioxide (SO2) 1

3-1/2 in dia x 14-1/4 in H 3 3-1/2 in dia x 15-1/4 in H 3 3-1/4 in dia x 13-2/3 in H 1 3-1/4 in dia x 14 in H 1