... 3)CE,CB,ISO9001,14001,IEC 4)OEM DDS Electronic Single-phase Energy Meter,Electric Energy Meter,kWh Meter ... Iron base, ABS cover, digital Three-phase Static Active Electronic Energy Meter,Electric Energy Meter,kWh Meter,Power MeterMain ... Functions:1. Adopting special large scale integrated circuit and advanced SMT processing technology.2. Reliable function, high accuracy, strong anti-jamming ...