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
	Power consumption	<2W
Measurement performance	Standard	IEC62053-22:2003,IEC62053-21:2003
	Active energyaccuracy	Class 0.5S (ADW300),Class 1(ADW300W)
	Temperatureaccuracy	±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 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

Functions
Display mode	LCD
Energy measurement	Active kWh(positive and negative),quadrant reactivepower energy
Electrical measurement	U、I、P、Q、S、PF、F
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)
	NB-IOT(Alternate configuration:NB)
	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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