GDKC-5000 Transformer On Load Tap Changer Tester imatha kuyeza molondola nthawi yocheperako, mawonekedwe osakhalitsa, kukana kwakanthawi, kulumikizana kwa magawo atatu ndi magawo ena a chosinthira chotsitsa.Ndi chida choyenera kuyesa chosinthira chapampopi.Imakwaniritsa zofunikira pakuwunika kachitidwe kakusintha kwapampopi ndi kuyeza nthawi yosinthira.