Does that mean that chilling can take place Also during periods with high relative humidity?
All grain is hygroscopic meaning that it will give away or take up humidity depending on the conditions surrounding the grain. Because of this it is important to use the correct relative humidity when chilling grain. Using a PM-LUFT/Tornum Grain Cooler will provide air with a relative humidity that is in equilibrium with the moisture content of the grain, regardless of ambient conditions.