The idea of installing CO2 measuring devices in practices is therefore not about extreme CO2 values, but the measurements can be an aid to infection protection in corona times: “Because if there is a lot of exhaled CO2 in the air, there are also a lot of aerosols in the air” and thus the risk of infection is increased. In contrast to CO2 measuring devices, CO2 traffic signaling is simple and inexpensive: “Indicators in yellow and red warn of a lot of CO2 in the air, and thus also of many aerosols.
|However, the installation of CO2 sensors does not mean that a CO2 concentration of less than 1,000 ppm basically protects against infection with SARS-CoV-2, according to the IRK. But CO2 concentrations significantly or permanently higher than 1,000 ppm in schools, offices and private households indicate inadequate ventilation management with a potentially increased risk of infection. This applies not only to window ventilation, but also to the operation of ventilation systems.|
|Schenk M||Medscape 19.08.2020 (german original)|
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