Fig. 9

UV radiation. With and without PVC enclosure. The red line is the UVB radiation sensed by a device without the enclosure, the blue line is with the enclosure and the area behind is the error (standard deviation)
UV radiation. With and without PVC enclosure. The red line is the UVB radiation sensed by a device without the enclosure, the blue line is with the enclosure and the area behind is the error (standard deviation)