SM206 digital solar energy tester for measuring solar radiation

General Description: This SM206 digital solar energy meter is a precision instrument designed to measure sunlight intensity. It allows you to select two units of measurement: W/m² and Btu. This meter is equipped with advanced features such as peak hold and data hold, making it ideal for regular measurements over long periods. It is widely used in various fields, including solar energy research, meteorology, agriculture, and physical and optical experiments. Technical Specifications Model: SM206 Resolution: 0.1 W/m², 0.1 Btu/(ft²-h) Range Error: ±(10%R+2dgts)R Temperature Error: ±0.38 W/m²/℃ [±0.12 Btu/(ft²-h)/℃] at 25°C Display: 4-1/2" LCD screen, maximum displayed digital value 19999 Overload Display: "OL" Measurement Range: 0.1-1999.9 W/m², 0.1-1999.9 Btu/(ft²-h) Sampling Time: 2.5 seconds/time Operating Temperature and Humidity: 0~40℃ Storage Temperature and Humidity: -10~50℃ Dimensions: Approx. 132 x 60 x 38 mm / 5.2 x 2.4 x 1.5 in Weight: 325 g / 11.5 oz (approx.) Contents: 1 solar radiation measuring instrument (battery not included), 1 user manual, 1 packaging