... service MDP2000 Three-Phase Digital Reference Standard MeterMain features:1) Wide linear range, good power factor and little variation error2) High ... 1.0A, 2.5A, 5A, 10A, 20A, 40A, 100A(wide range)4) Testing mode: single phase, three-phase three wires (active, reactive ... ), TTL electrical level6)Weight: 5.5kgs(single range); 12kgs(wide range) MDP2000 Three-Phase Digital Reference Standard Energy Meter