Dew point virtual sensor
Posted: 24.08.2023 15:47
Modified: 02.12.2023 15:37
In Aranet Cloud you can setup a Dew point sensor which you can find under virtual sensors.
When selecting it you will be presented with this screen, where you can select the necessary sensors.:
The sensor itslef works on the following principles:
Ts Dew point (celsius degrees)
T Temperature (Celsius)
RH - Relative humidity of the air (in percent)
a = 17.625
Posted: 04.10.2023 17:45
Dew point is calculated according Magnus-Tetens formula that allows to obtain accurate results (with an uncertainty of 0.35 °C) for temperatures ranging from -45 °C to 60 °C.
Refference for constants a and b: https://doi.org/10.1175/1520-0450(1996)035<0601:IMFAOS>2.0.CO;2
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