Which gases can Etalonair calibrate ?

Etalonair covers a wide range of gases within its accreditation scope : O₂ (oxygen), CO (carbon monoxide), CO₂ (carbon dioxide), NO (nitric oxide), NO₂ (nitrogen dioxide), N₂O (nitrous oxide), SO₂ (sulfur dioxide), CH₄ (methane), O₃ (ozone), Ar (argon), C₂H₆ (ethane), C₃H₈ (propane), and TVOC (total volatile organic compounds). The concentration ranges covered vary depending on the gas, from ppb to percentage levels.