ADW300 Wireless Meter IOT Energy Meter 4G/WIFI/LORA communication with RS485

Reference

frequency

50Hz

Consumption

<0.5VA (Each phase)

Current input

Input current

3×1(6)A ；3×1(6)A（ADW300W）, 3×20(100)A（ADW300W）

Start current

1‰ Ib (Class 0.5S)，4‰ Ib (Class 1)

Consumption

<1VA (Each phase)

Auxiliary power

Power Supply

AC 85~265V

Power consumption

<2W

Measurement

Standard

IEC 62053-22:2003，IEC 62053-21:2003

performance

Active energy

accuracy

Class 0.5S（ADW300），Class 1（ADW300W）

Temperature

accuracy

±2℃

Pulse

Width of pulse

80±20ms

Pulse constant

6400imp/kWh , 400imp/kWh

Communication

Wireless

Transmission on 470MHz and maximum distance in open space is 1km;

2G；NB；4G

Infrared

communication

The constant baud rate is 1200

Interface

RS485(A、B)

Connection mode

Shielded twisted pair conductors

Protocol

MODBUS-RTU

Display mode

LCD

Energy metering

Active kWh (positive and negative)，quadrant reactive

Electrical measurement

U、I、 P、Q、S、PF、F

Harmonic function

THDv、Harmonic on 2nd-31st

Pulse output

Active pulse output

Three-phase unbalance degree

Voltage unbalance,current unbalance

Temperature measurement

Temperature of A/B/C/N（Alternate configuration:T）

DI/DO

4DI,2DO（Alternate configuration:K）

Aftercurrent

One-way aftercurrent（Alternate configuration:L）

LED display

Pulse LED display

External current transformer

External open type current transformer

（Alternate configuration:W）

Electrical parameter

Undervoltage, undercurrent, overcurrent, underload,

etc

Communication

Infrared communication

RS485（Alternate configuration:C）

Wireless transmission on 470MHz

（Alternate configuration:LR）

WIFI（Alternate configuration:WF）

NB-IOT（Alternate configuration:NB）

4G（Alternate configuration:4G）