We are offering active microclimate generator for museum showcases.The pmcg humidity generator is a novel approach for controlling humidity in museum quality display cases. The pmcg units are based on solid state technology - unlike other units, it needs no filling or emptying of reservoirs.Once the machine is setup, humidity inside the display case will be maintained for years without the necessity of checking water level, adding water or any other regular maintenance. Pmcg devices are able to maintain relative humidity from below 17% up to 55% at ambient temperatures of from below 0c up to 40c.pmcg units are of modular design; the main unit can be connected to many slave units to achieve necessary capacity for a particular application.thanks to this design the client is pays only for needed capacity . The units are very quiet (