An ultrasonic anemometer is used to determine wind speed and wind direction. This very robust and compact sensor has no moving parts and is particularly suitable for high wind speeds. The integrated heating also prevents icing during the winter time.
The irradiance of the sun (so-called global radiation in watts per square meter) is measured with a pyranometer. Solar radiation is absorbed in a thermopile, converted into heat and output as a proportional voltage signal.
Weather data such as air temperature, humidity, dew point, wind speed, wind direction and global radiation can be used in many ways. Both current measured values and long-term measurements can be used, for example, for building simulations. In addition, it is possible to create and visualize site-specific annual, monthly or weekly comparisons. Furthermore, the current global radiation can be used as a reference variable, e.g. for charging an e-car or a stationary battery storage.
Current weather data is also of great importance for the pilots of the Bavarian Drone Academy. Before flying a drone, every remote pilot is required to check the current weather conditions. Apps such as “UAV-Forecast” or “DWD-Flugwetter” as well as relevant websites are usually used for this purpose. In the future, one look will be enough to quickly and reliably inform oneself about the actual weather conditions currently available on site.