The PCE-AC 3000 Air Quality Meter is an exceptional  device that measures and checks air quality, and at the same time, the content of carbon dioxide in houses, companies, public buildings and other public places. The Air Quality Meter comes with an adjustable alarm with an acoustic and optical signal, maximum and minimum values and value register for 24 hours. A high concentration of carbon dioxide can happen when there are some people inside a building and there is not a good air ventilation. Thanks to its  integrated RJ-45, the Air Quality Meter can also c