The GALLTEC+MELA sensors of the DUO 1060 series are in fact hygro-thermostats, and are mainly used as on/off controllers for air humidity and temperature control. They are mostly used for climatic cabinets, in offices , in warehouses with food and luxury goods, in fruit and vegetable cooling rooms, for gardening, textile industry, paper printing, film industry, hospitals etc. They are a common choice for air humidity and pressure regulation. The indicator units are visible, clear, and the sensors are easily operated by turning the wheels, along with the on/off button.