A cikin tsarin DC, akwai kurakuran ƙasa da yawa da suka haɗa da laifin ƙasa kaikaice, kuskuren duniya wanda ba ƙarfe ba, laifin madauki, kuskuren ƙasa mai kyau da mara kyau, ingantacciyar ma'auni mara kyau da kuskuren ƙasa, kuskuren duniya da yawa.
GDCR3200C Double Clamp Multifunctional Earth Resistance Tester an ƙera shi musamman kuma an ƙera shi don auna juriya na ƙasa, juriya na ƙasa, ƙarfin ƙasa, haɓakar layin ƙasa na yanzu, AC halin yanzu da juriya na DC.
Lalacewar tsarin tsarin DC, kuskuren juna na DC da gazawar wutar lantarki na AC kurakurai ne waɗanda ke da saurin faruwa kuma suna cutar da tsarin wutar lantarki, kuma suna yin haɗari ga al'ada na tsarin wutar lantarki.
GDCR3000B Resistance Duniya/Mai gwajin juriya na ƙasa an tsara shi na musamman don auna juriyar ƙasa, juriyar ƙasa, ƙarfin ƙasa da ƙarfin AC.An karɓi sabuwar fasahar sarrafa dijital da ƙananan ƙira, don auna juriyar ƙasa ta sandar sanda 4, 3-pole ko 2-pole.
GDDT-10U Mai Gwaji na Ci gaba na Duniya na'urar gwaji ce ta atomatik kuma mai ɗaukar hoto.Ana amfani da shi don auna ƙimar juriya a tsakanin igiyoyin haɗin ƙasa na kayan lantarki na tashar tashar.
Ana amfani dashi sosai a wutar lantarki, sadarwa, yanayin yanayi, filin mai, gini, kariyar walƙiya, kayan lantarki na masana'antu da sauran ma'aunin juriya na ƙasa.
GDWR-5A Duniya Resistance Tester babban madaidaicin kayan gwaji ne da ake amfani da shi a fagage daban-daban kamar na'urori don gwada juriya na ƙasa da sigogi masu alaƙa.Kayan aiki yana da halaye na ƙananan ƙararrawa, nauyi mai sauƙi, ɗaukar nauyi mai dacewa, aiki mai ƙarfi na tsangwama da babban daidaito.