Adw300 Iot Wireless Energy Meter Smart With LCD Display
General
Acrel Wireless Three Phase Energy Meter is mainly used to meter three phases of active energy on low voltage networks. This wireless energy meter boasts advantages including compact size, high precision, rich features. According to different requirements.
There are many communications functions like RS485 communication, 2G, NB, 4G, WiFi adding the new current sampling mode using an 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.
Technical parameter
| Parameter | Description&Value | |
| Voltage Input | Rated Voltage |
3x380~456Vac L-L or 3x660~792Vac L-L (via direct connection) 3x100~120Vac L-L (via PTs) |
| Reference Frequency | 45~65Hz | |
| Power Consumption | ＜0.5VA (each Phase) | |
| Current Input | Rated Current | 3x1(6)A AC (via CTs) |
| Starting Current | 1% Ib (Class 0.5); 4% Ib(Class 1) | |
| Power Consumption | ＜1VA (each Phase) | |
| Phase Wiring | 3P4W | 3-phase 4-wire |
| 3P3W | 3-phase 3-wire | |
| Auxiliar Power Supply | Voltage Range |
85~265Vac |
| Power Consumption | ＜2W | |
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Measurement Performance |
Standard | IEC 62053-22:2003; IEC 62053-21:2003 |
| kWh Accuracy | Class 0.5S | |
| Pulse |
Width of Pulse |
80±20ms |
| Pulse Constant |
6400imp/kWh; 400imp/kWh |
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Features
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Multiple Communication Methods ● 4G LTE ● NB-IoT ● WiFi (2.4GHz&5GHz) ● LoRa ● LoRaWAN ● RS485 (MODBUS-RTU) ● Free Trial of IoT Energy Management System |
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Diverse Electricity Parameters Measurement ● kWh (positive and negative) ● kVarh (positive and negative) ● U, I, P, Q, S, PF, Hz ● Harmonic (THDv, 2-31st) ● 3-phase current&voltage imbalance |
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DO/DI Switch Function ● 2 DO Digital Output ● 4 DI Digital Input |
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Residual Current Measurement Function ● 1-channel Residual Current ● Paired with Residual Current CTs |
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Temperature Monitoring Function ● Thermistor: NTC ● Monitoring: 4-channel Cable Temperature (for A,B,C,N) ● Range: -40℃~+99℃ ● Accuracy: ±2℃ |
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Display
Wiring
3-phase 4-wire connection 3-phase 3-wire connection
Dimension
Network
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