4 Component Calibration Gas

20ppm Hydrogen Sulfide, 60ppm Carbon Monoxide, 58% LEL Pentane Simulant, 15% VOL Oxygen; balance Nitrogen

25ppm Hydrogen Sulfide, 100ppm Carbon Monoxide, 50% LEL Methane, 18.0% VOL Oxygen; balance Nitrogen

20ppm Hydrogen Sulfide, 200ppm Carbon Monoxide, 50% LEL Methane, 18% VOL Oxygen; balance Nitrogen

10ppm Hydrogen Sulfide 50ppm Carbon Monoxide 50% LEL Methane 18% VOL Oxygen

25ppm Hydrogen Sulfide, 100ppm Carbon Monoxide, 25% LEL Pentane, 18% VOL Oxygen; balance Nitrogen

25ppm Hydrogen Sulfide, 50ppm Carbon Monoxide, 50% LEL Methane, 12.0% VOL Oxygen; balance Nitrogen

25ppm Hydrogen Sulfide, 100ppm Carbon Monoxide, 25% LEL Pentane Simulant, 18% VOL Oxygen; balance Nitrogen

10ppm Nitrogen Dioxide, 60ppm Carbon Monoxide, 2.5% VOL Methane, 15% VOL Oxygen; balance Nitrogen

20ppm Hydrogen Sulfide, 300ppm Carbon Monoxide, 1.45% VOL Methane, 15% VOL Oxygen; balance Nitrogen

10ppm Nitrogen Dioxide, 60ppm Carbon Monoxide, 1.45% VOL Methane, 15% VOL Oxygen; balance Nitrogen

25ppm Hydrogen Sulfide, 50ppm Carbon Monoxide, 50% LEL Methane, 18.0% VOL Oxygen; balance Nitrogen

25ppm Hydrogen Sulfide, 50ppm Carbon Monoxide, 50% LEL Propane Simulant, 18.0% VOL Oxygen; balance Nitrogen