Ideal Calibrations

100ppm Carbon Monoxide, 50% LEL Methane, 20.9% VOL Oxygen; balance Nitrogen

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

10ppm Sulfur Dioxide, 50% LEL Methane, 18% VOL Oxygen; balance Nitrogen

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

100ppm Carbon Monoxide, 50% LEL Methane, 18% VOL Oxygen; balance Nitrogen

100ppm Carbon Monoxide, 44% LEL Methane, 18% VOL Oxygen; balance Nitrogen

25ppm Hydrogen Sulfide, 50% LEL Propane Simulant, 18% VOL Oxygen; balance Nitrogen

50ppm Carbon Monoxide, 50% LEL Propane Simulant, 18% VOL Oxygen; balance Nitrogen

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

50ppm Carbon Monoxide, 50% LEL Methane, 18% VOL Oxygen; balance Nitrogen

200ppm Carbon Monoxide, 50% VOL Carbon Dioxide; balance Nitrogen

5% VOL Carbon Dioxide, 21% VOL Oxygen; balance Nitrogen