Infra-Red Radiation Shield
www.weathershop.com/davis_radshield.htm
What Jamie wrote
Protects your External Temperature Sensor or External Temperature/Humidity Sensor from solar radiation and other sources of radiated and reflected heat.
www.weathershop.com/davis_radshield.htm
Protects your External Temperature Sensor or External Temperature/Humidity Sensor from solar radiation and other sources of radiated and reflected heat.