Sensor icing on met towers must be identified to remove wind speed data affected by anemometer icing from the tower’s dataset. Anemometers frequently report lower wind speeds than what are accurate before freezing completely. Then sensors report calm winds. At times, the slowdown in anemometer wind speeds can be difficult to identify and attribute directly to icing. Testing shows the ice detector removes any doubt regarding sensor icing in winter tower data by reporting 12V whenever icing conditions are present. Confirming the presence of icing with this detector can reduce data processing time by up to 25% during winter. The detector also reduces uncertainty in the tower’s dataset by confirming that data should be invalidated due to icing. The sensor is powered by a supply that includes a 5W solar panel.
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