ADW300 Wireless Smart Energy Meter
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Overview
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.
Dimension
ADW300 Matched CTs Specification
Wiring
Application
Site Picture
Functional Characteristics
Chart 1 Functions of ADW300
| 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） | |||
| WIFI（Alternate configuration:WF） | |||
| NB-IOT（Alternate configuration:NB） | |||
| 4G（Alternate configuration:4G） |
Technical parameter
Chart 2 Electrical performance of ADW300
|
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(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 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 1km;2G；NB；4G |
| Infraredcommunication | The constant baud rate is 1200 | |
| Interface | RS485(A、B) | |
| Connection mode | Shielded twisted pair conductors | |
| Protocol | MODBUS-RTU |
