The fan?aspirated models combine passive shielding that draws outside air in over the temperature and humidity sensors, providing a highly accurate temperature reading. The 6163AU comes equipped with UV & Solar Radiation Sensors found on the Vantage Pro 2 Plus model.
Davis Vantage Pro 2 Fan Aspirated
The very best your Weather Station can be!
Davis Fan Aspirated models include the outdoor Integrated Sensor Suite temperature and humidity sensors enclosed in a solar-powered, 24-hour fan-aspirated radiation shield.