Calibration Gases

76.4001 - 80.499% Nitrogen, 19.5 - 23.5% Oxygen, 0.001 - 0.0999% Carbon Monoxide 1 <= 21.5% Oxygen, <= 2% Hydrogen, Balance Nitrogen 2 100 ppm Carbon Monoxide, Balance 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% Methane 1 25 ppm Hydrogen Sulfide, 100 ppm Carbon Monoxide, Pentane (25% LEL), 18% Oxygen, 10 ppm Sulfur Dioxide 1 25 ppm NO2 1 300 ppm Carbon Monoxide 1 5 ppm 0.0001 - 0.99% Sulfur Dioxide, 99.11 - 100% Nitrogen Gas 1 5% Carbon Dioxide 1 75.75 - 80.4% Nitrogen, 19.5 - 23.5% Oxygen, 0.1 - 0.75% n-Pentane 1

CO 2 CO, H2S, CH4 2 100 ppm Hydrogen 1 500 ppm Hydrogen 1 CO2 1 Hydrogen Sulfide, Carbon Monoxide, Pentane, Oxygen, Sulfur Dioxide 1 Pentane 1 Sulfur Dioxide (SO2) 1

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