Precision Solar Energy Meter Solar Light Energy Insolation Tester<br><br> Description:<br><br> Choose from two units and Btu<br><br> data retention and retention function.<br><br> This solar energy tester directly measures consumption without adjustment.<br><br> Constantly measure for a long time.<br><br> It is suitable for solar energy measurement, solar energy research, meteorology, agriculture, physical and optical experiments.<br><br> Specification:<br><br> Material: electronic components<br><br> Resolution: 0,1 W/m, 0,1 Btu/(ft-h)<br><br> Range error: 10W/m[3 Btu/(ft-h)] or 5% of the measured value<br><br> Temperature error: 0,38 W/m/C [ 0,12 bTU /(ft-h)/C] at 25C deviation<br><br> Display: 4-1/ display<br><br> Value: 19999<br><br> Measuring range: 0,1-1999,9 0,1-1999,9 Btu/(ft-h)<br><br> Wavelength Range: 340-1100nm<br><br> Operating temperature and humidity: 0 to 40 above 80% relative humidity<br><br> Storage temperature and humidity: -10 to 50 than 70% RH<br><br> Power Supply: 9 V<br><br> Size Chart:<br><br> Size: 132x60x38mm /5.20x2.36x1.50 inch<br><br> The package includes:<br><br> 1 sztuka solar energy meter<br><br> 1 sztuka case pack<br><br> 1-part instruction manual