Ideal Calibrations

2% VOL Carbon Dioxide, 18 % VOL Oxygen; balance Nitrogen

25ppm Hydrogen Sulfide, 200ppm Carbon Monoxide, 50% LEL Methane, 18% VOL Oxygen; balance Nitrogen

25ppm Hydrogen Sulfide, 100ppm Carbon Monoxide, 2.2% VOL Methane, 18.0% VOL Oxygen; balance Nitrogen

25ppm Hydrogen Sulfide, 500ppm Carbon Monoxide, 50% LEL Methane, 18% VOL Oxygen; balance Nitrogen

50ppm Hydrogen Sulfide, 100ppm Carbon Monoxide, 50% LEL Methane, 17% VOL Oxygen; balance Nitrogen

25ppm Hydrogen Sulfide, 50ppm Carbon Monoxide, 50% LEL Pentane Simulant, 18% VOL Oxygen; balance Nitrogen

25ppm Hydrogen Sulfide, 100ppm Carbon Monoxide, 1.25% VOL Methane, 18% VOL Oxygen; balance Nitrogen

10ppm Hydrogen Sulfide, 100ppm Carbon Monoxide, 2% VOL Methane, 19% VOL Oxygen; balance Nitrogen

25ppm Hydrogen Sulfide, 50ppm Carbon Monoxide, 50% LEL Methane, 19% VOL Oxygen; balance Nitrogen

10ppm Hydrogen Sulfide, 300ppm Carbon Monoxide, 1.45% VOL Methane, 15.0% VOL Oxygen; balance Nitrogen

20ppm Hydrogen Sulfide, 60ppm Carbon Monoxide, 29% LEL Methane, 15.0% VOL Oxygen; balance Nitrogen

15ppm Hydrogen Sulfide, 50ppm Carbon Monoxide, 50% LEL Methane, 17% VOL Oxygen; balance Nitrogen