... cell tester and sorter. With class AAA light source, double probes touch between up and down,power controlled by a microcomputer ... , I curve, V curve, and standard cells I curve;4.Test Parameters: Voc, Isc, Ipm, Vpm, Pmax, FF, Eff, Rs, Iwork ... , 1 Xenon lamp in the machine and 1 Electric load. Test and Sort Solar Cell Machine