Sunshine Duration SensorsRadiometers for the measurement of sunshine duration. Sunshine duration is defined by WMO as the time during which the direct solar radiation exceeds the level of 120 W/m2
Radiometers for the measurement of sunshine duration. Sunshine duration is defined by WMO as the time during |
Solar Cell Type:Ni-CD Usage:Other sun jar 7color collects and stores sunshine LED Light Sensor Solar Lamp Made with a traditional Mason jar and high tech energy e ...
Come From Yao Xin Electronics (Hong Kong) Ltd.