Cov kab lus piav qhia yuav ua li cas txhawm rau txheeb xyuas qhov tsis kam nrog multimeter. Tsis tas li ntawd, nws yog siv los ntsuas lub zog tam sim no, qhov hluav taws xob ntawm ob lub ntsiab lus, thiab tseem hu ua hluav taws xob circuits. Txhua tus qauv ntawm multimeter yog muag nrog cov lus qhia, uas yuav tsum tau ua tib zoo kawm, txij li txhua hom khoom muaj nws tus yam ntxwv