Ma'anar ƙamus na kalmar "ohmmeter" wata na'ura ce da ake amfani da ita don auna juriya na wutar lantarki a cikin ohms. Yana aiki ta hanyar amfani da sanannen ƙarfin lantarki zuwa sashin da auna sakamakon halin yanzu da ke gudana ta cikinsa, sannan ƙididdige juriya bisa ga dokar Ohm. Ana yawan amfani da ommeters wajen injiniyanci da lantarki, da kuma wajen gwaji da warware matsalolin da'irori.