The SD-1106 dehumidifies the air in the cabinet to a minimum of <2%RH. That means there is less than 0,21 g water vapour per m3 in the cabinet. And that's the best protection against oxidation and humidification of stored components.
The recovery time of the cabinet after a 30 sec. open-door-time is very short. After 6 minutes the cabinet can return to 5 %RH. The cabinet can achieve a mean humidity level over 24 hour about 1-2 %.