Relationships between different parameters for calculating relative humidity
The measurement of relative humidity in a climatic environment - The main types of hygrometer for measuring or determining relative humidity and associated uncertainty
Article REF: R3049 V1
Relationships between different parameters for calculating relative humidity
The measurement of relative humidity in a climatic environment - The main types of hygrometer for measuring or determining relative humidity and associated uncertainty

Author : Bernard CRETINON

Publication date: September 10, 2025 | Lire en français

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2. Relationships between different parameters for calculating relative humidity

2.1 Relation between relative humidity, dew point temperature and temperature

  • Relative humidity Uw can be expressed as follows (7)  :

    Uw  =  100  ⋅  e′w(Td,p)e′w(T,p).
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