Ideal Calibrations

80ppm Nitrogen Dioxide, 2% VOL Oxygen; balance Nitrogen

250ppm Carbon Monoxide, 2.5% VOL Carbon Dioxide, 2.5% VOL Methane, 18% VOL Oxygen; balance Nitrogen

50ppm Ammonia, 18% VOL Oxygen, balance Nitrogen

50ppm Hydrogen Sulfide, 50% VOL Methane, 2% VOL Oxygen; balance Nitrogen

50ppm Carbon Monoxide, 1.62% VOL Methane, 19% VOL Oxygen; balance Nitrogen