ɐ ɡˈælvɐnˌɑːstæt ˈɔːlsoʊ nˈoʊn æz ˈæmpɚɹˌɑːstæt ɪz ɐ kəntɹˈoʊl ænd mˈɛʒɚɹɪŋ dɪvˈaɪs kˈeɪpəbəl ʌv kˈiːpɪŋ ðə kˈɜːɹənt θɹuː ɐn ᵻlˌɛktɹəlˈɪɾɪk sˈɛl ɪn kˌuːloʊmˈɛtɹɪk taɪtɹˈeɪʃənz kˈɑːnstənt, dˌɪsɹɪɡˈɑːɹdɪŋ tʃˈeɪndʒᵻz ɪnðə lˈoʊd ɪtsˈɛlf.
A galvanostat (also known as amperostat) is a control and measuring device capable of keeping the current through an electrolytic cell in coulometric titrations constant, disregarding changes in the load itself.