Solutions & Applications
Products Description
ADW300 Series IoT wireless energy meter
ADW300 wireless energy meters have multiple built-in communication modules (4G,WiFi,LoRa,NB-IoT) designed for different situation when paired with IoT energy management system or other demand for remote connection. Meanwhile, ADW300 can provide various extra function module and various electrical parameters measurement to meet different requests from the customers. Also, as the prove for quality, ADW300 is strictly compliant of the standard of IEC 62052-11; IEC62053-22; LVD.
Feature ①
Online Energy Monitoring
● Check all the data collected by energy meter on your PC or Mobile
● Providing 3-month Free Trial● IoT EMS WEB for PC user
● IoT EMS APP for mobile user
● Contact us to get test account and know more detail about the system and ADW300 !!
Feature ②
Power Quality Monitoring
● Total Harmonic
● 2nd~31st Harmonic● Voltage Unbalance
● Current Unbalance
Feature ③
● 2-channel DO (Digital Ouput)
● 4-channel DI (Digital Input)
● 4-channel Cable Temperature Monitoring
● 1-channel Residual Current Measurement
● 4-channel DI (Digital Input)
● 4-channel Cable Temperature Monitoring
● 1-channel Residual Current Measurement
Feature ④
● 2-channel DO (Digital Ouput)
● 4-channel DI (Digital Input)
● 4-channel Cable Temperature Monitoring
● 1-channel Residual Current Measurement
● 4-channel DI (Digital Input)
● 4-channel Cable Temperature Monitoring
● 1-channel Residual Current Measurement
Solution Structure
Function & Parameter
Function Overview
Function | Description | ||||||
Measurement of Energy | kWh (positive and negative) | ||||||
kvarh (positive and negative) | |||||||
A,B,C 3-phase positive kWh | |||||||
Electric Parameters | U, I, P, Q, S, PF, Hz | ||||||
Harmonic | THDv, Harmonic on 2nd-31st | ||||||
Pulse output | Active pulse output | ||||||
3-Phase Imbalance | Voltage imbalance,current imbalance | ||||||
Display | LCD display with 8 digits | ||||||
Wireless Comms. | 4G, WiFi, LoRA, NB-IoT (Optional), Support MQTT, MODBUS-TCP protocol | ||||||
Wired Comms. | RS485 interface with MODBUS-RTU protocol (Standard) | ||||||
Swtich | 4 DI & 2 DO | ||||||
Residual Current | 1 way residual current measurement | ||||||
Temperature | A,B,C,N. 4 ways temperature measurement |
Technical Parameters
Parameter | Description&Value | ||||||
Input Voltage | Nominal Voltage | For High Voltage: 3×57.7~69.24Vac L-N & 100~120Vac L-L (Paired with PT) ------------------------------------------------------------------------------------ For Low Voltage: 3×220~264Vac L-N & 3x380~456Vac L-L (Direct Connect) 3×380~456Vac L-N & 3x660~792Vac L-L | |||||
Frequency | 50Hz~60Hz | ||||||
Comsumption | <0.5 VA (Each phase) | ||||||
Input Current | 3×1(6)A | ||||||
Swtich | 1‰ Ib (Class 0.5S),4‰ Ib (Class 1) | ||||||
Residual Current | <1VA (Each phase) | ||||||
Auxiliary Power | Power Supply | 85~265Vac L-N | |||||
Power consumption | <2W | ||||||
Measurement Performance | Standard | IEC 62053-22:2003,IEC 62053-21:2003 | |||||
Active Power Accuracy | Class 0.5S(ADW300) Class 1(ADW300W) | ||||||
Temperature Measuring Accuracy | ±2℃ | ||||||
Pulse | Width of pulse | 80±20ms | |||||
Pulse constant | 6400imp/kWh , 400imp/kWh | ||||||
Communication | Wireless Communication | 4G (built in world-wide 4G module for global server frequency bands) WiFi (2.4GHz), LoRa, NB-IoT, RS485 (standard MODBUS-RTU) | |||||
Infrared Communication | Constant baud rate 1200 | ||||||
Interface | RS485(A+、B-) | ||||||
Connection Mode | Shielded twisted pair conductors | ||||||
Protocol | MODBUS-RTU | ||||||
Environment | Operating Temperature | -20℃~55℃ | |||||
Storage Temperature | -40℃~70℃ | ||||||
Humidity | ≤95% (No condensation) | ||||||
Altitude | ≤2000m |
Dimension & Installation
Dimension Overview
Wiring Illustration
Main Power PIN/Terminal Overview of ADW300
3-phase 4-wire wiring diagram of ADW300
3-phase 3-wire wiring diagram of ADW300
Work-site Installation
Company Profile
Acrel Co., Ltd. [Stock Code : 300286. SZ] is a high-tech enterprise concentrating on research, production, sales and services. It mainly provides systemic solutions of energy efficiency management and electrical safety for users. ‘Acrel’ is equipped with the complete production lines from cloud platform software to sensors. Until now, it has more than 8000 sets systemic solutions used in China to help users to realize energy visual management ,supply energy data services and improve electrical efficiency and safety. ‘Acrel’ has maintained steady growth since its listing in 2012. The company will adhere to the concept of ‘innovation,high-efficiency,unity and honesty’ and it provides more high-quality solutions,products and service for power system users and micro-grid.
Payment & Delivery
1.Payment: T/T 100% in advance, credit card, western union, in cash and etc. T/T 30% as deposit and the balance before shipment or against copy of B/L is acceptable with enough MOQ.
2.Delivery Arriving Time: in 3-7 working days after payment received.
3.Ways of Delivery: By sea, air, train or international courier like Fedex, TNT, DHL and UPS.
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