90.20 Standard under periodical review Apr 15, 2024
CEN
CEN/TC 346 Conservation of Cultural Heritage
European Norm
97.195 Items of art and handicrafts. Cultural property and heritage
This European Standard gives guidance and specifies procedures and instruments for the measurement of relative humidity (RH) in air, in outdoor or indoor environments. It indicates how RH can be directly measured or how it can be calculated from air temperature, wet-bulb temperature and dew-point temperature. This standard contains recommendations for accurate measurements of ambient conditions and moisture exchanges between air and cultural heritage objects. It is addressed to anyone in charge of environmental diagnosis, conservation or maintenance of buildings, collections or single objects.
PUBLISHED
EN 16242:2012
90.20
Standard under periodical review
Apr 15, 2024