Features: Accurately measure solar radiation with the SM206 Solar Radiation Measurement Device, suitable for reliability, ideal for both professional use. Crafted from plastic, this tool is lightweight, ensuring long performances in various environment. Perfect for meteorologists, environmental researcher, and solar energy enthusiasts accurate data collection. Ideal for outdoor, educational purposes, or optimizing solar panel installations, providing insight into solar energy potential. Enhances your understanding of solar dynamics with this essential hand tool, suitable for anyone involved in solar energy projects or climate studies. Specifications: Component:Plastic Resolution: 0.1W/m², 0.1Btu/(ft²-h) Ranges Error: ±10W/m² (±3Btu/(ft²-h) or ±5% of measured value Temperature Error: ±0.38W/m²/℃ ±0.12Btu/(ft²-h)/℃ deviation at 25°C Display: 4-1/2 LCD display Measurement Ranges: 0.1-1999.9W/m², 1-1999.9Btu/(ft²-h) Sampling Time: 2.5s/time Operating Temperature and Humidity: 0-40℃, <80%RH Storage Temperature and Humidity: -10-50℃, <70%RH Size:Approx.132x60mm/5.19x2.36inch Package Includes: 1Pc Power Meter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.