Design

Acrel ADW310 Wireless Smart Single Phase Power Meter
https://www.acrel-electric.ke/products/acrel-adw310-wireless-smart-single-phase-iot-based-electricity-energy-meter/


IoT 1-phase Smart Meter
4G, WiFi ,RS485 (MQTT, MODBUS)
Paired CT 100A AC

Features of Acrel ADW310 Wireless Smart Single Phase Power Meter
ADW310 wireless energy meter is mainly used to measure the active energy of low-voltage network. It has the advantages of small size, high precision, rich functions, etc., and has many optional communication methods. It can support RS485 communication, Lora, 4G and other wireless communication methods. The current sampling mode of the transformer is convenient for users to install and use in different occasions. It can be flexibly installed in the distribution box to meet the needs of power metering, operation and maintenance supervision or power monitoring for different areas and different loads.

Function
Wireless Comms.: 4G, WiFi (MQTT, MODBUS-TCP)
Wired Comms.: RS485 (MODBUS-RTU)
Rated Voltage: 220~264Vac L-N
Rated Current: 20(100)A AC (via paired CT)
Measurement: 1-phase Active&Reactive Energy, Active&Reactive Power, Current, Voltage, Frequncy, Power Factor, Apparent Power
I/O Function: 1-way DI & 1-way DO
Temperature: 2-way Cable Temperature Measurement
Pulse Output: Active Pulse Output

Specifications of Acrel ADW310 Wireless Smart Single Phase Power Meter
1. Function Overview
Function Description
Measurement
（Standard） Single-phase AC Active&Reactive Energy (both forward and backward), Active Power, Reactive Power, Current, Voltage, Frequency, Power Factor, Apparant Power, Frequency
Measurement
(Optional) Temperature Measurement:2-channel (Live line,Neutral line) Cable Temperature Monitoring;  Thermistor:NTC;  Range: -40~+99℃;  Accuracy:±2℃
Communication
(Standard) RS485 Port with Modbus-RTU protocol -  1 start bit,8 data bit,1 stop bit,no parity;  Baud Rate 1200~38400 bps etc.
Infrared Communication - Constant Baud Rate 1200 bps
Communication
(Optional)

4G LTE - Normal Communicaiton Module Support: LTE-FDD: B1/B3/B5/B8;  LTE-TDD:B34/B38/B39/B40/B41
4G LTE - Global Communication Module Support: LTE-FDD:B1/B3/B5/B7/B8/B20/B28;  LTE-TDD:B38/B40/B41
WiFi - Support 2.4GHz or 5GHz
Protocol (For wireless Communication): MQTT and MODBUS-TCP
Display
(Standard) LCD Display and LED Indicator
HMI
(Standard) Keypads Programming: Setting of CT/PT Ratio, Communication, Phase Wiring and etc
Software
(Standard) Adjustment Software: Setting of Data Upload Interval, WiFi configuration (Account&Password), Server Address, Port and etc
Alarm Function
(Standard) Undervoltage, Overvoltage, Undercurrent, Overcurrent, Underload, Overload, Communication Disconnection and etc
I/O Function
(Optional) 1-channel DI (Digital Input)
1-channel DO (Digital Output)
2. Main Parameters
Parameter Description&Value
Voltage
Input Rated Voltage 220~264Vac L-N
Reference Frequency 45~65Hz
Power Consumption ＜0.5VA (each Phase)
Current
Input Rated Current 20(100)A AC
Starting Current 1% Ib (Class 0.5); 4% Ib(Class 1)
Power Consumption ＜1VA (each Phase)
Phase
Wiring 1P2W 1-phase 2-wire
Measurement
Performance Standard GB/T17215.322-2008，GB/T17215.321-2008
kWh Accuracy Class 1
Pulse Width of Pulse 80±20ms
Pulse Constant 1600imp/kWh;
3. Environment
Condition Description&Value
Temperature Operating Temperature: -25℃～+55℃;  Storage Temperature: -40°C ~+70°C
Humidity ≤95%RH,no condensation,without corrosive gas
Altitude ≤ 2000m

Details of Acrel ADW310 Wireless Smart Single Phase Power Meter
Online&Remote Energy Monitoring
Paired with Acrel IoT Energy Monitoring System
PC Access via IoT EMS WEB
Mobile Phone Access via IoT EMS APP
4G Wireless Communication (Global)
WiFi Wiress Communication (2.4GHz)
Support MQTT, MODBUS-TCP protocol
Support standard RS485 interface (MODBUS-RTU)

Multiple Extra Function
1-channel DO (Digital Ouput)
1-channel DI (Digital Input)
2-channel Cable Temperature Monitoring
Active Pulse Output

Alarm Function
Over/Under Current
Over/Under Voltage
Over/Under Power

Now the price of iot based electricity energy meter using esp12 and arduino is reasonable, if you want to buy iot electricity meter , please contact us.

As a power meter supplier, we will do our best to meet all the needs of customers.