Single Phase Smart Electric Meter Active Energy Measurement KWH Voltage Current MD

Function & features

1. Owning forward and reverse direction metering function, besides, it can accumulate electric quantity in one same direction, that is, calculation reverse electric quantity into forward direction.

11. Communication: RS485, IR, PLC or etc

Mainly Parameters

Reference Voltage: 220V

Reference Current: 1.5A, 5A, 10A, 15A

Reference Frequency: 50Hz

Intrinsic Error: Meet with IEC 62053-21

Start Current: ≤0.004Ib (Direct Mode)

Defluction: When 115% reference voltage and no current in current circuit, no more than 1 pulse can be made by meter.

Consumption: Voltage Circuit Consumption(Out of Communication Status) ≤1.5W, 10VA

Voltage Circuit Consumption(Under Communication Status) ≤3.0W, 12VA

Current Circuit Consumption ≤1VA(Ib)

Working Temperature: -25℃～60℃

Maximum Working Temperature: : -40℃～70℃

Maximum Storage and Transportation Temperature: -40℃～70℃

Relative Humidity: Annual Average＜75%

Month Average 95%

Occasional 85%

Air Pressure: 63.0kPa～106.0kPa (Under 4000m)

Normal Working Pressure: 0.9Un～1.1Un

External Working Pressure: 0.8Un～1.15Un

Maximum Working Pressure: 0.0Un～1.15Un

Clock Accuracy: ≤0.5S/D (Reference Temperature 23℃)

Capacity of Li-Ion Battery: ≥1.2Ah, the working time since power off≥ 5 years.

Data Storage Period ≥ 10 years

Life Time ≥ 10 years

Dimension: 112*160*71 mm

Weight: 0.8kg

Pulse Width: 80±20mS, Typical 80mS

Communication Rate for Optical: 1200bps

Communication Rate for RS485: 2400bps (Typical Value)

600bps, 1200bps, 2400bps, 4800bps, 9600bps (Can be set)