Specification - Output Beam Size: 50x50, 100x100, 160x160, 180x180, 200x200, 220x200mm2 - Working Distance: 250mm, 300mm, 500mm, 400mm - Flexible Output Directions: up-to-down, bottom-up, right & left - Xe Power Supply, RS232 Port, 3.5â??color-touch-panel - Enlitech provides the worldâ??s most types of reference cells which comply with the WPVS type and IEC 60904 standards - Can be controlled by the IVS-KA6000 software Application - Perovskite Solar Cell Efficiency measurement - Organic Solar Cell Efficienty measurement - Perovskite / Si Tandem Solar Cell Efficiency measurement - Ideality Factor n test - Sun-Voc test - Water Splitting Cell test - HJT, PERC, TOPCon Si Solar Cell test