ACREL ADW300 WIRELESS ENERGY METER
Acrel ADW300wireless smart acrel energy meteris mainly used to measure three-phase active electric energy of the low-voltage networks. With RS485 communication and 470MHz wireless communication function, our ADW300 4G smart power meter is convenient for users to monitor, collect and manage electricity consumption.
Acrel ADW3003-phase wireless power meter monitorcan be flexibly installed in the distribution box to realize the measurement, statistics and analysis of sub-item electric energy of different regions and different loads
Measurement: 3 Phase voltage, current, power, power factor, etc.
Communication: RS485, LoRa, 4G, WIFI, LoRaWan
Max demand measure
Accuracy: Class 1.0
Acrel ADW300WWireless Smart Energy Meter Parameters
|
Voltage input |
Rated voltage |
3×57.7/100V,3×220/380V,3×380/660V,3×100V,3×380V,3×660V |
|
Referencefrequency |
50Hz |
|
|
Consumption |
<0.5VA (Each phase) |
|
|
Current input |
Input current |
3×1(6)A;3×1(6)A(ADW300w),3×20(100A(ADW300W) |
|
Start current |
1%. Ib(Class 0.5S),4% Ib(Class 1) |
|
|
Consumption |
<1VA (Each phase) |
|
|
Auxiliary power |
Power Supply |
AC 85~265V |
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Power consumption |
<2W |
|
|
Measurement performance |
Standard |
IEC62053-22:2003,IEC62053-21:2003 |
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Active energyaccuracy |
Class 0.5S (ADW300),Class 1(ADW300W) |
|
|
Temperatureaccuracy |
±2℃ |
|
|
Pulse |
Width of pulse |
80±20ms |
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Pulse constant |
6400imp/kWh,400imp/kWh |
|
|
Communication |
Wireless |
Transmission on 470MHz and maximum distance in open space is Ikm;2G;NB;4G |
|
Infrared interface |
The constant baud rate is 1200 |
|
|
RS485 interface |
RS485(A、B) |
|
|
Connection mode |
Shielded twisted pair conductors |
|
|
protocol |
MODBUS-RTU |
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Functions |
|
|
Display mode |
LCD |
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Energy measurement |
Active kWh(positive and negative),quadrant reactivepower energy |
|
Electrical measurement |
U、I、P、Q、S、PF、F |
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Harmonic function |
THDv、Harmonic on 2nd-31st |
|
Three-phase unbalance degree |
Voltage unbalance,current unbalance |
|
Temperature measurement |
Temperature of A/B/C/N(Alternate configuration:T) |
|
leakage current |
1 channel residual current measurement |
|
DI/DO |
4DI,2DO(Alternate configuration.K) |
|
External current transformer |
External open type current transformer(Alternate configuration:W) |
|
Electrical parameter Alarm |
Undervoltage, undercurrent,overcurrent,underload,etc |
|
Communication |
Infrared communication |
|
RS485(Alternate configuration.C) |
|
|
Wireless transmission on 470MHz(Alternate configuration: LR) |
|
|
GPRS(Alternate configuration:2G) |
|
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NB-IOT(Alternate configuration:NB) |
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|
4G(Alternate configuration.4G) |
|
|
WIFI(Alternate configuration.WIFI) |
|
Acrel ADW300 3-Phase Wireless Energy Meter Diagram
There are four modes of connection like 3-phase 4-wire (current connected via CT), 3-phase 3-wire (current connected via CT), 3-phase 4-wire (current connected via PT and CT) and 3-phase -wire (current connected via PT and CT). Two-way Digital output and four-way Digital input. Record the historical data on electricity consumption covering the previous 12 months. Acrel ADW300 series supports LORA, 2G, NB, and 4G communications.
3 Phase Smart Meter Installation& Use
Step ①: Correctly install&wire meters
Step ②: Download&Register IoT APP
Step ③: Add Meters to your Account
Step ④: Start your 3-month Free Trial
ADW300 Wireless Energy Monitor For Smart Meters Benefits
4G, LoRa, WIFI wireless communication
Small volume, easy installation
Switch, temperature function optional
External open-type current transformer
ADW300 Wireless Power Meter Monitor Applications
Remote meter reading of the power-distribution box
Matched with IoT energy efficiency management system
This wireless power consumption meter can connect to power operation and maintenance cloud platform
Acrel ADW300 4g meterwireless series is suitable for electricity monitoring of reconstruction projects
Acrel ADW300w 3-Phase Wireless Energy Monitor FAQs
What's the biggest advantage of ADW300?
ADW300 has its built-in wireless communication module which allow it to realize 4G LTE, WiFi, NB-IoT, LoRa upstream communication without using extra IoT gateways. For the application scenarios when the meters can't be of centralized installation, ADW300 will usually be the best option for monitor 3-phase circuits that were far from each other.
How should I deal with RS485 network communication malfunction?
First, check if the wiring of RS485 communication line was loosen or wired incorrectly.(like reversely wiring the A,B terminal).
Next,inspect if the meter’s setting of address, baud rate, check bit was correct by using keypads on the meter.
What if LoRa communication of meters malfunctioned?
First, use USB to RS485 serial converter to connect the meter with computer. Then use adjustment software to check if setting of meter is on consensus with the setting of master station.(setting of channel and spreading factor--SF)
If setting remain the same, then it might be due to large interference of work site or the excessively far range between meter and host. In that case, it’s recommended to use chuck antenna or set a new master station nearby.
What's the difference between ADW300 and ADW300W?
ADW300 has internal current transformers and can select compatible current transformer according to the site current to realized a secondary connection via CTs.
ADW300W on the other hand, has external current transformers.(non-detachable or it will damage the meter) This kind of design extremely ease the wiring and installation if the work-site already has CTs.
What do 3×57.7/100V,3×220/380V,3×380/660V,3×100V,3×380V,3×660V represent respectively?
The meter’s spec of 3*100V,3*57.7/100V is suitable for high voltage power system while pairing with PT(potential transformer or voltage transformer). Beside, 3*100V represent 3-phase 3-wire and 3*57.7/100V represent 3-phase 4-wire.
The meter’s spec of 3*220/380V,3*380/660V,3*380V,3*660V is suitable for low voltage power system(directly connect with meter). Meanwhile,3*380V,3*660V represent 3-phase 3-wire and 3*220/380V,3*380/660V represent 3-phase 4-wire.
Other Question? Please contact us and we will get back to you as soon as possible.
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