... modules. you can get the biggest power andbest performance. It adopts upand down touch probel test and can get the more testig precision ... class AAA light source, double probes touch between up and down,power controlled by a microcomputer,LCD screen display,Pulse xenon lamp ... -V curve, Pm curve, I curve, V curve, and standard cells I curve;4.Test Parameters: Voc, Isc, Ipm, Vpm, Pmax, FF ...