POTENSIOMETR (az lotini potentia — quvva va …metr), asbobest baroi bo usuli kompensatsioni muayyan namudani QEH yo khud shiddat. Potensiometrro yakjoya bo andozai muqovimat yo khud tabdildihandahoi chenkunanda istifoda burda, jarayoni elektr va iqtidori on, harakat, fishor va digar buzurgihoi fizikiro chen kardan mumkin ast. Potensiometrhoi jarayoni doimi va tagyiryobandaro farq mekunand.