General view (b) and technological scheme (a) of the pneumo-electric separator seed fractions: F1 - weed, F2 - main crop, F3 - light impurities; directions of movement : air seeds 1 - bed 2 - fan 3 - towering separator, 4 - filter section, 5 - air flow measuring devices, 6 - speed regulation device, 7 - seed containers, 8 - loadingbunker, 9 - vibration feeder, 10 - separation channel, 11 - retractor hole, 12,13 - containers for seeds, 14 - filter section, 15 - the bolts, 16 - cover of the filter section, 17 - electrodes, 18 - electric engine, 19 - control unit.