Three-phase watt-hour meter 380V three-phase four-wire LCD electronic watt-hour meter 80A industrial electric energy metering

Active kWh (positive and negative)

Reactive kWh (positive and negative)

A. B, C split phase positive active energy

U、I、P、Q、S、PF、F

12 bits section LCD display, background light

3 keys to communication and set parameters

Active pulse output

Adapt 4 time zones, 2 time interval lists, 14 time interval by day and 4 tariff rates

Max demand and occurrence time

Frozen data on last 48 months, last 90days

Date, time

Communication interface: RS485, 

Reference
voltage

3×100V、 3×380V、

Consumption

<10VA(Single phase)

Impedance

>2MΩ

Accuracy
class

Error±0.2%

Input
current

3×1(6)A， 3×10(80)A

Consumption

<1VA Single phase rated current

Accuracy
class

Error±0.2%

Active, reactive, apparent power, error±0.5℅

45～65Hz，Error±0.2%

Energy

Active energy(Accuracy class: 0.5)
reactive energy(Accuracy class 2)

Clock

≤0.5s/d

Energy pulse
output

1 active photocoupler output

Width of pulse

80±20ms

Pulse constant

400imp/kWh,10000imp/kWh(Correspond with the basic current)

Interface

RS485

Protocol

MODBUS-RTU

Baud rate

1200bps~19200bps

Working
Temperature

-25℃~55℃

Storage
Temperature

-40℃~70℃

≤95%(No condensation)

<2000m