... meter,single phase power meter,electricity meter,ntelligent directly read single phase electricity power meterFollowing the IEC 61036: 2000 standard, the DDS3338 Single-Phase Electronic Watt-Hour Meter/single phase ... -jamming, long life-span, few malfunctions;5. Small volume convenient for installation.Main Technical Parameters:Rated Voltage: 220V,110VBasic Current: 1 ...