Nitric oxide (NO), nitrogen dioxide (NO2), oxides of nitrogen or nitrogen oxides (NOX) are by products of several processes including incomplete diesel combustion, power plant production & incineration, just to name a few.
There are often questions regarding which calibration gas to use, what is the correct balance gas, and/or what regulator and tubing should be used.
Let us get the information on these calibration gases correct.
Here are some recommendations to follow: