... .Excellent aftersale Service DZ603-3B Portable Three Phases Energy Meter Testing EquipmentMain Performance:1. The operation can be controlled via computer ... .Output current: 0.1A, 0.5A, 1A, 2.5A, 5A, 10A, 20A, 60A, 0-120% of each range can be continually ... : AC 220±10%. DZ603-3B Portable Three Phase Energy Meter Testing Equipment