Solar Power Meter Sunlight Solar Radiation Tester Glass Light Intensity Detector with Data Retention Function Selectable from W/㎡ Btu Range 0.1 to 1999.9 0.1 to 1999

YFYIQI Solar Power Meter with Measuring Range 0.1-1999.9 W/m² 0.1-1999.9 Btu/(ft²-h) Wave Length Range 340nm-1100nm Resolution 0.1W/m² 0.1 Btu/(ft²-h) for Measuring Light Intensity Detail Measuring range: 0.1-1999.9 W/m², 0.1-1999.9 Btu/（ft²-h） Wave length range: 340nm--1100nm, Incidence Angle normal direction less than ±45 degree, peak wavelength 900nm Resolution: 0.1W/m², 0.1 Btu/（ft²-h） Error range: ± (10%R+2dgts) R:readings Temperature error: ±0.38W/m² / ℃ [ ±0.12 Btu/（ft²-h）/℃] deviation at 25℃ Display: 4 1/2 LCD display, maximum displayed numerical value 19999, over load “OL” Drift: <±1.5% /year Sampling time: 2.5 times/s Operation temperature and humidity: 0°C to 40°C <80%RH Storage temperature and humidity: -10°C to 50°C <70%RH Dimensions and weight: 132（L） x 60（W） x 38 （H）mm Weight: approx. 150g Battery needed: 9V battery(NOT INCLUDED) Battery operation life: Approx. 100 hours

• Measuring range: 0.1-1999.9 W/m², 0.1-1999.9 Btu/（ft²-h）
• Wave length range: 340nm--1100nm, Incidence Angle normal direction less than ±45 degree, peak wavelength 900nm
• Resolution: 0.1W/m², 0.1 Btu/(ft²-h); Error range: ± (10%R+2dgts) R:readings
• This meter is a precision instrument for measuring light intensity. It is used in solar radiation measurement, solar research