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Nitrogen Dioxide Calibration Gas (NO2)

Nitrogen Dioxide (NO2) is a toxic gas that is also an oxidizer. It has many industrial uses including as a bleaching agent for flour. It is also used in the manufacture of explosives. NO2 is produced by many combustion sources including internal combustion engines, cigarettes, and butane and kerosene heaters. Human exposure to NO2 results in edema, and at concentrations above 100 ppm, asphyxiation from fluid in the lungs. Homes and businesses with gas stoves have higher levels of NO2 than those without, and areas near roadways have reported NO2 levels 30 to 100% higher than areas that are more than 150 feet away from these areas.


NO2 calibration gas is available only in the GENie EC unit in 10 or 50 hour cells and only at the 0.5 to 5 PPM level.

Buy nitrogen dioxide calibration gas

Note:  Prices are for basic instrument only. Interchangeable calibration and bump test sources are sold separately.