GDYZ-302W Metal Oxide Arrester Tester imapangidwa ndi makamu, chowunikira, ndi ndodo yoteteza.Wolandirayo ndi chojambulira amatengera kulumikizana opanda zingwe, mtunda wolumikizana ndi 30 metres, wolandirayo amatha kutsegula kapena kutseka patali mutu wa chojambulira kuti amalize kuyesa, ndipo wolandirayo amatha kuwonetsa kuchuluka kwa mayeso omwe alipo komanso mawonekedwe a clamp. mutu mu nthawi yeniyeni.Chojambuliracho chimagwiritsa ntchito injini yaying'ono kuyendetsa kutsegula kapena kutseka kwa mutu wamba.Mutu wa clamp umapangidwa ndi permalloy yapamwamba kwambiri, yomwe ili ndi mphamvu zotsutsana ndi kusokoneza ndipo sichikhudzidwa ndi maginito akunja.Chigamulocho ndi chokwera ngati 1uA.Chowunikiracho chimatha kulumikizidwa ndi ndodo yotchingira kuti iyesere zida zomangira zinc oxide pamizere yothamanga kwambiri.Mamita amathanso kugwiritsidwa ntchito ngati chowongolera chapamwamba kwambiri chowongolera pakutayikira.