GDYZ-302 Zinc Oxide Arrester Live Tester ndi chida chapadera chomwe chimagwiritsidwa ntchito kuyesa mphamvu yamagetsi ya Zinc Oxide Arrester.
GDYZ-301 Lightning Arrester Tester ndi chida chapadera choyesera zinc oxide arrester mphamvu yamagetsi.Ndikoyenera kuyesa ma voltages osiyanasiyana a zinc oxide arrester ndi kapena opanda magetsi, motero kuti azindikire zoopsa zomwe zimachitika mkati mwa chipangizocho chifukwa cha kusungunuka kwamadzi kapena kukalamba kwazitsulo za oxide varistor (MOV).
GDYZ-301A Automatic Zinc Oxide Surge Arrester Tester ili ndi ntchito zitatu zotsatirazi:
Resistive panopa mayeso
Mawerengedwe amakono a mita ya polojekiti
Counter action test of monitor