ADW300 IoT Wireless Smart Energy Meter
● Communication: 4G, WiFi, LoRa, NB-IoT, RS485(MODBUS-RTU)
● Measurement: 3-phase Active Power, Reactive Power, Current, Voltage, Harmonic and etc.
● Application: Paired with IoT Energy Management System (See More)
● Rated Voltage: Up to 3x660~792Vac L-L
● Rated Current: 3x1(6)A AC (via CTs)
● HMI Programming: Setting of CT/PT Ratio, Phase Wiring, Communication and etc
● Standard&Certificate: CE; IEC; LVD
Features
Function Overview
Function | Description |
Measurement(Standard) | Three-phase AC kWh, kVarh, Active Power, Reactive Power,Quadrant Reactive Power Energy, Current, Voltage, Voltage&Current Unbalance, Power Factor, Apparant Power, Frequency, Harmonic (2~31st&THD) |
| Temperature Measurement:4-channel (A,B,C,N) Cable Temperature Monitoring; Thermistor:NTC; Range: -40~+99℃; Accuracy:±2℃ |
Residual Current Measurement: 1-channel Residual Current Monitoring (Need to be paired with Residual Current Transformers) | |
| RS485 Port with Modbus-RTU protocol - 1 start bit,8 data bit,1 stop bit,no parity; Baud Rate 1200~38400 bps etc. Infrared Communication - Constant Baud Rate 1200 bps |
| 4G - Normal Communicaiton Module Support: LTE-FDD: B1/B3/B5/B8; LTE-TDD:B34/B38/B39/B40/B41 4G - Global Communication Module Support: LTE-FDD:B1/B3/B5/B7/B8/B20/B28; LTE-TDD:B38/B40/B41 |
WiFi - Support 2.4GHz or 5GHz | |
LoRaWAN | |
LoRa | |
NB-IoT | |
| LCD Display and LED Indicator |
| Keypads Programming: Setting of CT/PT Ratio, Communication, Phase Wiring and etc |
| Adjustment Software: Setting of Data Upload Interval, WiFi configuration (Account&Password), Server Address, Port and etc |
| Undervoltage, Overvoltage, Undercurrent, Overcurrent, Underload, Overload, Communication Disconnection and etc |
Parameters
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 | Current input | 3×1(6)A; 3×1(6)A(ADW300W, 3×20(100)A(ADW300W) |
Start current | 1‰Ib (Class0.5S), 4‰Ib(Class1) | |
Consumption | <1VA(Each phase) | |
Auxiliary power | Power Supply | AC85~265V |
Power consumption | <2W | |
Measurement performance | Standard | IEC62053-22:2003, IEC62053-21:2003 |
Active energy accuracy | Class0.5S(ADW300), Class1(ADW300W) | |
Temperature accuracy | ±2℃ | |
Pulse | Width of pulse | Pulse constant |
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 rateis1200 | |
Interface | RS485(A,B) | |
Connection mode | Shielded twisted pair conductors | |
Protocol | MODBUS-RTU |
Wiring
Company profile
ACREL CO., Ltd. was founded in 2003 and successfully listed on GEM in 2012. ACREL is a high-tech enterprise that integrats R&D, production, sales and service. since its establishment, it committed to provide users with energy efficiency management and power security system solutions. Acrel Electric has a complete production line from cloud platform software to sensors.
Since the listing in 2012, our company has maintained steady growth. The company will adhere to the concept of "innovation, efficiency, unity, integrity", adhere to steady operation and continuous innovation, and provide more high-quality products, services and solutions for power system users and micro-grid.
At Vietnam Power Equipment and Technology Exhibition, many customers from all over the world, our Acrel team has carried out detailed analysis and explanation of a series of difficult problems raised by customers. Under the enthusiasm of our technical team and sales team, the customer gave us a high evaluation of our products and services.
Acrel Co.,LTD [Stock Code:300286.SZ ] attended HANNOVER MESSE, is one of the few leading companies who provides various systematic of power monitoring, power control, energy management and electrical safety for smart grid users. Since 2003, we have been focused on the research, production and sales of intelligent electric meters and current sensors.
If you have any special requirements, for example another current ratio or special size ,please feel free to Contact Us.
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory. Warmly welcome you to visit and investigate our factory.
Q: How long is your delivery time?
A: Generally it is 3-10 days if the goods are in stock. or it is 10-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for lower price. If you place the order, all or part of the sample charge will be deducted from the goods. Please
contact us.
Q: What is your terms of payment ?
A: Usually, 100%TT in advance. If you have projects for another payment terms, please feel free to contact us.