ADW300 Wireless Metering Meter
ADW300 Wireless Metering Meter is mainly used to metering three phase active energy on low voltage network. According to different requirements, there are many communications functions like RS485 communication, WIFI, NB, 4G, adding the new current sampling mode using external transformer
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Specifications for ADW300 Wireless Metering Meter
| Output Signal | RS485 or Wi-Fi |
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ADW300 Wireless Metering Meter is mainly used to metering three phase active energy on low voltage network. The product boasts of advantages including compact size, high precision, rich features. According to different requirements, there are many communications functions like RS485 communication, WIFI, NB, 4G, adding the new current sampling mode using external transformer. It can be flexibly installed in the distribution box to achieve sub-item electric energy metering, operation and maintenance supervision or power monitoring requirements for different regions and different loads.
Functional Characteristics
|
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） |
1.1 Electrical performance
|
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 performance |
Standard |
IEC 62053-22:2003，IEC 62053-21:2003 |
|
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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