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Air is a mixture of different gases. Under normal environmental conditions the gases have an ideal behaviour, i.e. each gas molecule can act independently from all others. Dalton’s law is valid : The partial pressure p is defined as the pressure of a gas, if it would occupy alone

The calibration laboratory of E+E Elektronik GmbH is accredited according to DIN EN ISO/IEC 17025, with identification number 0608, by Akkreditierung Austria / Federal Ministry of Science, Research and Economy. E+E Elektronik is a designated lab, responsible for the maintenance of the “National Standard for Air Humidity” in

The calibration laboratory of E+E Elektronik GmbH is accredited according to DIN EN ISO/IEC 17025, with identification number 0608, by Akkreditierung Austria / Federal Ministry of Science, Research and Economy. E+E Elektronik is a designated lab, responsible for the maintenance of the "National Standard for Air Humidity" in

Carbon dioxide (CO2) is a gaseous component of the earth's atmosphere. The concentration of CO2 in natural ambient air is about 0.04% or 400ppm. With each breath, humans convert oxygen (O2) into carbon dioxide. Although carbon dioxide is invisible and odorless, an increased CO2-content makes is apparent because humans

For the good long term performance of humidity measuring devices it is of highest importance that the sensing head is kept clean. In most of the applications the choice of appropriate filter cap is enough for achieving this. In polluted applications the filter cap might get clogged. Long response