Mainly used in electrical performance auto test and resuit record of solar mono-si , poly-si or a-si cell module. 1, flash impulse continuous adjustable range 10~100ms 2, four lines measure;14-bit 4 channel high-speed synchronous collection card 3, 8000 dates collection points 4, irradiance automatically compensation;temperature automatically compensating 5, voice counts off and prompts;counting prompts of flash time 6, 24 continuous working , xeop lamp have 300, 000 times flash 7, touch-screen control. Ffective test area:2000*1200mm/5w~300w Effective test range:5w~240w Measuring voltage:0~100v( resolution ratio 1mv) Measuring current:0~20a( resolution ratio 1mv ) Test parameters:isc, voc, pmax, vm, im, ff, eff, temp, rs, rsh