Single Phase Electric Meter

DDS666 Single Phase Electric Meter is designed and manufactured on the basis of residents’ power demand. It is used to measure AC active energy with rated frequency 50Hz and reference voltage 220V.

Product Details

Single Phase Electric Meter


DDS666 single-phase electronic energy meter is designed and manufactured on the basis of residents' power demand. It is used to measure AC active energy with rated frequency 50Hz and reference voltage 220V.


◆ Accurate measuring forward and backward active energy with backward active energy added to forward energy; 

◆ Meter is designed and manufactured through SMT technology by industrial components featured by reliable performance and low power consumption; 

◆ Display options: Register or LCD. 

◆ Infrared communication port, RS485 communication port for easy data exchange.

ItemTechnical specifications
Accuracy classActive class 1 and class 2
Voltage reference220V, 230V, 240V
Current reference1.5(6)A, 5(40)A, 10(60)A, 20(100)A, other customized specifications
Frequency reference50Hz, 60Hz
Working voltage rangeNormal working voltage range: 0.9Un~1.1Un

Extending working voltage range: 0.8Un~1.2Un
Operating temperature rangeNormal operating temperature range: -25℃~+55℃

Limit operating temperature range: -40℃~+70℃

Storage and transport limit temperatrue range: -40℃~+70℃
Power consumptionVoltage circuit power consumption: ≤2W/5A

Currrent circuit power consumption: ≤1VA
DisplayRegister display, LCD display
StandardsIEC62053-21, IEC62056-21
External dimension(L*M*H)Register display: 150mm×118mm×59mm

LCD display: 160mm×112mm×58mm
Installation dimension(L*M)Register display: 128mm×106mm

LCD display: 140(150)mm×110mm