The regular measurement of temperature and relative humidity is indispensable to protect cultural assets from dangers such as mould in the long term. The temperature in the archive room should be as constant and low as possible, i.e. 18 degrees Celsius or cooler is ideal. 20 degrees Celsius should not be exceeded. Furthermore, make sure that the relative humidity is between 30 and 40 %. Above 60 %, the risk of mould growth is significantly increased. Below you will find high-quality products for measuring indoor climate data from well-known manufacturers. We will be happy to advise you on the selection of a suitable product.