Igerageza ryihuta rya DC (nyuma yiswe DC irwanya ibizamini) ni igisekuru gishya cyo gupima DC irwanya impinduka.Nibyiza kugirango bipime DC irwanya ibyiciro bitatu byimyanya nini ya transformateur nini.DC irwanya ibyiciro bitatu byahinduwe na transformateur irashobora kugeragezwa icyarimwe.Kuri voltage yumuriro uhindura transformateur, ntabwo ari ngombwa gusohora imashini ihinduranya, kandi igihe cyo gupima ni kimwe cya gatatu cyibipimo gakondo byapimwe, bishobora kugabanya cyane igihe cyakazi nimbaraga zumurimo.Imetero irwanya itaziguye ifata ecran nini ya ecran ya kirisiti yerekana, ibishushanyo mbonera byose byabashinwa, bisobanutse kandi byimbitse, kandi imikorere iroroshye cyane.Kandi ufite ibikoresho byicapiro hamwe nubushobozi bunini budafite imbaraga zo kwibuka, urashobora kubika byoroshye no gucapa ibisubizo byo gupima.Ikizamini cyamakuru kirahamye, cyihuta kandi gisubirwamo, kandi nuburyo bwiza bwo gupima DC irwanya transformateur kurubuga.