AMETEK Modell: 1287A - Electrochemical Interface (may be used stand alone for DC tests or with 1260A 1255A 1255B 1252A or 1253A for impedance measurements) Modell:1287A - Electrochemical Interface (may beused stand alone for DC tests or with 1260A, 1255A,1255B, 1252A or 1253A for impedance measurements)