We are offering solar radiation data logger. Product descriptionthe solar radiation is the sum of direct and diffuse solar radiation at a horizontal plane on earth. The unit of solar radiation is wm2. Qt-sp212 solar radiation data logger is an instrument with high measurement accuracy, good stability, and strong resistance to external disturbance. It can be widely used in environmental research, greenhouses, laboratories, and agriculture domains.Featuresgps coordination can be recordedrecord data automatically or manuallywireless data transmission via wi-firecognize sensors by two-dimensional codeautomatically recognize connected sensorsterminal memory card is up to 32gdisplay real-time data and curve of recorded dataexport data to excel for analysistechnical parameterssp212 technical parameterscosine response45 1 %cosine response75 4%absolute measurement accuracy 5%homogeneity 3%repeatability 1%sensitivity 0.50 w m-2 per mvlinear range 0 2.5 v (2.2 v = 1, 100 w m-2)power consumption 2.5 5.5 vdcoperating environment 4055 c; 0 100%current consumption 285amaterials anodic aluminum oxide (aao), acrylic lenscable 3 m of shielded cable size 2.4cm in diameter2.75cm in heightweight 70g android devices technical parameterscpu quad-core1.3ghzoperating system android 4.2rom 4gram 1gextended memory up to 32gscreen size 5.0 in.Screen resolution 960 * 540operation mode touch screenscreen color support 16 million colorsorigin: china