SM206 Solar Power Meter Sunlight Radiation Tester W/m² Btu Measurement UK
Model: SM206. There are two units that can be selected: W/m² and Btu. Resolution: 0.1W/m², 0.1Btu/(ft²-h). Temperature Error: ±0.38W/m²/℃ [±0.12Btu/(ft²-h)/℃] deviation at 25°C. Storage Temperature and Humidity: -10~50℃, < 70%RH.