device in which for measurement the photovoltaic effect is utilized, photoelectric detector that utilizes for measurement the electromotive force produced by the absorption of optical radiation, tundlik element, mis kasutab mõõtmiseks fotogalvaanilist efekti, fotoelektriline tundlik element, mis kasutab mõõtmiseks optilise kiirguse neeldumisel tekkivat elektromotoorjõudu, electronic device that converts the energy of light directly into electricity by means of the photovoltaic effect