MID Energy meter 
UL Energy Meter 
ADW300 wireless meter is mainly used to measure three-phase active power in low-voltage network. It has the functions of RS485 communication and 470MHZ wireless communication. It is convenient for users to monitor, collect and manage electricity. It can be flexibly installed in the distribution box to realize the measurement, statistics and analysis of individual electric energy in different regions and loads.
ADW300 Three Phase Wireless IoT Power Meter
Product Description
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Detailed description
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Parameters
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- Measurement: 3 Phase voltage, current, power, power factor, etc.
- Communication: RS485, LoRa, 4G, NB or 2G
- Max demand
- Accuracy: Class 1
- Rated Voltage: Up to 3x660~792Vac L-L
- Rated Current: 3x1(6)A AC (via CTs)
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Functions
Description
Display mode
LCD
Energy metering
Active kWh (positive and negative), quadrant reactive power energy
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）
WIF（Alternate configuration:WF）
NB-IOT（Alternate configuration:NB）
4G（Alternate configuration:4G）
Voltage input
Rated voltage
3×57.7/100V, 3×220/380V, 3×380/660V，3×100V, 3×380V, 3×660V
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
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