CO₂ is colorless and tasteless at normal temperature and pressure. It is slightly soluble in water and reacts with water to produce carbonic acid. CO₂ only accounts for 0.03% of the fresh air

CO₂ is harmful to human body, if breathe high concentration CO₂, people may be at risk of carbon dioxide intoxication. Symptoms of carbon dioxide toxicity include headache, irregular heartbeat, nausea,unconsciousness, or even death.

This CO₂ Monitor measures CO₂ concentration, temperature and humidity. It is widely used in homes, shopping malls, offices,cinema, classroom and other public places.

Environment conditions:

Working Environment: -10.0℃ to 50.0℃/14.0℉ to 122.0℉；1-85%RH (No condensation)

Storage Environment：-20 to 60℃/-4℉ to 140℉;1-90%RH (No condensation)