Ideal Calibrations

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

1.45% VOL Methane, 15% VOL Oxygen; balance Nitrogen

3.3% VOL Carbon Dioxide, 50% LEL Methane; balance Nitrogen

1.3% VOL Carbon Dioxide, 50% LEL Methane; balance Nitrogen