描述：ETCR3000B 數字接(jie)地電(dian)(dian)(dian)阻(zu)率測(ce)(ce)(ce)試儀(yi)品牌,是(shi)摒棄了傳統的(de)(de)人工手搖發電(dian)(dian)(dian)工作方(fang)式，采(cai)用(yong)*大規模集成(cheng)電(dian)(dian)(dian)路，應(ying)用(yong)DC/AC變換技(ji)術將三(san)端鈕、四端鈕測(ce)(ce)(ce)量方(fang)式合并為一(yi)種(zhong)機型(xing)的(de)(de)新型(xing)數字接(jie)地電(dian)(dian)(dian)阻(zu)測(ce)(ce)(ce)試儀(yi)。適用(yong)于電(dian)(dian)(dian)力(li)、郵電(dian)(dian)(dian)、鐵路、通(tong)信、礦山等部門(men)測(ce)(ce)(ce)量各(ge)種(zhong)裝置的(de)(de)接(jie)地電(dian)(dian)(dian)阻(zu)以及測(ce)(ce)(ce)量低電(dian)(dian)(dian)阻(zu)的(de)(de)導體電(dian)(dian)(dian)阻(zu)值;本表還可測(ce)(ce)(ce)量土壤電(dian)(dian)(dian)阻(zu)率及地電(dian)(dian)(dian)壓(ya)。