Features: _x000D_ This meter is a precision instrument measuring the intensity of sunlight._x000D_ _x000D_ There are two units that can be selected: W/m2 and Btu._x000D_ _x000D_ It supports maximum value hold function and data hold function._x000D_ _x000D_ Measure directly without adjustment, steadily measure for a long period. _x000D_ _x000D_ Widely used for solar radiation measurement, solar energy research, meteorology, agriculture, physical and optical experiments._x000D_ _x000D_ It can also be used to measure the light transmission intensity of glass to verify the performance of the glass, for example, car window performance test. _x000D_ _x000D_ Specification: _x000D_ Model: SM206 _x000D_ Resolution: 0.1W/m2, 0.1Btu/(ft2-h)_x000D_ Range Error: (10%R+2dgts)R: readings_x000D_ Temperature Error: 0.38W/m2/[0.12Btu/(ft2-h)/] deviation at 25C _x000D_ Display: 4-1/2 LCD display, maximum display numerical value 19999_x000D_ Overload Display: "OL"_x000D_ Shift: