1. Artwork displays: I-V curve, Pm curve, I curve, V curve and standard cells I curve2. Test parameters: Isc, Voc, Ipm, Vpm, Pmax, FF, Eff, Rs, Iwork, light intensity3. Compensate amendment: Test system having light intensity automation compensation and the temperature automation amendment function4. Data handling: Have the data preserves, printing, revolution exist and data base arrange a function