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Function | Description | ||||||
Measurement of Energy | kWh (positive and negative) | ||||||
kvarh (positive and negative) | |||||||
A,B,C 3-phase positive kWh | |||||||
Electric Parameters | U, I, P, Q, S, PF, Hz | ||||||
Harmonic | THDv, Harmonic on 2nd-31st | ||||||
Pulse output | Active pulse output | ||||||
3-Phase Imbalance | Voltage imbalance,current imbalance | ||||||
Display | LCD display with 8 digits | ||||||
Wireless Comms. | 4G, WiFi, LoRA, NB-IoT (Optional), Support MQTT, MODBUS-TCP protocol | ||||||
Wired Comms. | RS485 interface with MODBUS-RTU protocol (Standard) | ||||||
Swtich | 4 DI & 2 DO | ||||||
Residual Current | 1 way residual current measurement | ||||||
Temperature | A,B,C,N. 4 ways temperature measurement |
Parameter | Description&Value | ||||||
Input Voltage | Nominal Voltage | For High Voltage: 3×57.7~69.24Vac L-N & 100~120Vac L-L (Paired with PT) ------------------------------------------------------------------------------------ For Low Voltage: 3×220~264Vac L-N & 3x380~456Vac L-L (Direct Connect) 3×380~456Vac L-N & 3x660~792Vac L-L | |||||
Frequency | 50Hz~60Hz | ||||||
Comsumption | <0.5 VA (Each phase) | ||||||
Input Current | 3×1(6)A | ||||||
Swtich | 1‰ Ib (Class 0.5S),4‰ Ib (Class 1) | ||||||
Residual Current | <1VA (Each phase) | ||||||
Auxiliary Power | Power Supply | 85~265Vac L-N | |||||
Power consumption | <2W | ||||||
Measurement Performance | Standard | IEC 62053-22:2003,IEC 62053-21:2003 | |||||
Active Power Accuracy | Class 0.5S(ADW300) Class 1(ADW300W) | ||||||
Temperature Measuring Accuracy | ±2℃ | ||||||
Pulse | Width of pulse | 80±20ms | |||||
Pulse constant | 6400imp/kWh , 400imp/kWh | ||||||
Communication | Wireless Communication | 4G (built in world-wide 4G module for global server frequency bands) WiFi (2.4GHz), LoRa, NB-IoT, RS485 (standard MODBUS-RTU) | |||||
Infrared Communication | Constant baud rate 1200 | ||||||
Interface | RS485(A+、B-) | ||||||
Connection Mode | Shielded twisted pair conductors | ||||||
Protocol | MODBUS-RTU | ||||||
Environment | Operating Temperature | -20℃~55℃ | |||||
Storage Temperature | -40℃~70℃ | ||||||
Humidity | ≤95% (No condensation) | ||||||
Altitude | ≤2000m |