Herefrom, control- and warning signals can be derived. The precipitation is detected opto-electronically via a measuring area of approx. 25 cm².
Output of the measuring signal as intensity-dependent analogue value.
A relay contact signals the state of the precipitation. (precipitation yes/no). Integrated heating avoids snow covering or freezing of the instrument during winter operation.
The instrument is designed to detect the beginning and the end of precipitation.