ES3050數字(zi)式等電(dian)(dian)(dian)(dian)(dian)位測試儀又名微(wei)歐(ou)計、歐(ou)姆計、直流接地(di)(di)電(dian)(dian)(dian)(dian)(dian)阻(zu)測試儀，采用Z微(wei)處理機(ji)技術，四線(xian)(xian)法測試，安全(quan)精(jing)密(mi)可靠。是檢測設備外(wai)殼、避(bi)雷帶、地(di)(di)梁、構造、機(ji)柜、鋼(gang)筋、水(shui)管、窗戶、護欄、散(san)熱器(qi)、流水(shui)線(xian)(xian)等對象的(de)(de)金屬構件之間等電(dian)(dian)(dian)(dian)(dian)位聯結質量(liang)的(de)(de)儀表，也(ye)可以(yi)測量(liang)各(ge)種(zhong)電(dian)(dian)(dian)(dian)(dian)氣(qi)設備與地(di)(di)網地(di)(di)極間的(de)(de)連接導(dao)體的(de)(de)電(dian)(dian)(dian)(dian)(dian)阻(zu)，變壓(ya)器(qi)直流電(dian)(dian)(dian)(dian)(dian)阻(zu)，還可以(yi)測量(liang)開關、插(cha)座觸點(dian)的(de)(de)接觸電(dian)(dian)(dian)(dian)(dian)阻(zu)、線(xian)(xian)圈、金屬導(dao)線(xian)(xian)、焊接點(dian)等低(di)值電(dian)(dian)(dian)(dian)(dian)阻(zu)。廣泛應用于(yu)電(dian)(dian)(dian)(dian)(dian)信、電(dian)(dian)(dian)(dian)(dian)力