1 refrigerating system,  2 filter/drier,  3 manometer for refrigerant circuit,  4 transparent ventilation duct with temperature/humidity sensors,  5 climatic chamber with sensitive (fast acting) + latent (slow acting) heat source,  6 fan,  7 heater,  8 display + control panel,  9 humidifier,  10 air cooler,  11 ventilation dampers,  12 actuator motor,  13 flow meter