Weather station for measuring wind strength and /or lighting levels

The weather station comprises an electrical switching device, which connects with the power supply mains on exceeding a switching threshold value at a certain size electrical measurement. The switching threshold value for wind speed is about 3 Beaufort. The switching threshold value for illuminance...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: MATTHIESSEN, HANS
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
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