RT10 微(wei)歐(ou)計(ji)校(xiao)驗(yan)儀組件是一(yi)臺與 QJ55 直(zhi)(zhi)(zhi)流電(dian)(dian)(dian)流比較(jiao)儀電(dian)(dian)(dian)橋或 RT200 直(zhi)(zhi)(zhi)流電(dian)(dian)(dian)流比較(jiao)儀量(liang)程擴(kuo)展器組合成一(yi)臺微(wei)歐(ou)計(ji)校(xiao)驗(yan)儀。RT10是一(yi)臺直(zhi)(zhi)(zhi)流模(mo)擬(ni)電(dian)(dian)(dian)阻(zu)(zu)箱(xiang)，采用(yong)地(di)電(dian)(dian)(dian)勢電(dian)(dian)(dian)位差計(ji)線路，在直(zhi)(zhi)(zhi)流電(dian)(dian)(dian)壓等(deng)效(xiao)這(zhe)一(yi)原理下，提供（0～10Ω）＋（0～10）×[10-1＋10-2＋10-3＋10-4]Ω的直(zhi)(zhi)(zhi)流模(mo)擬(ni)等(deng)效(xiao)電(dian)(dian)(dian)阻(zu)(zu)。

RT10 微(wei)歐計校驗儀(yi)(yi)組件(jian)與 QJ55 直流(liu)電流(liu)比較儀(yi)(yi)電橋(qiao)或 RT200 直流(liu)電流(liu)比較儀(yi)(yi)量程(cheng)擴展器組合微(wei)歐計校驗儀(yi)(yi)，可以檢定(ding)0.1μΩ～2Ω量程(cheng)的(de)微(wei)歐計。