The Klima 20 data logger is a mobile storage unit for recording air temperature and air humidity data and is specifically designed for long-term monitoring. The measured values are saved in user-defined time intervals (between 5 sec and 6 h)along with the date and time. They are stored in the internal memory of the device. The programming and reading out of the data logger is done via the user-friendly software DIALOG D+. Among other things, the stored values can be displayed and printed as a table or as graphic. The data logger is ideally suited for tracking the climate in residential or working rooms, museums, or warehouses. The logger is not designed for outdoor use or constantly high air humidity. The device is delivered with a battery; however, the software is not included. Memory capacity: 20.000 sets of measurement data