4G WIFI Lora NB optional iot power three phase energy meter connection with ct for IoT power monitoring reading in kwh
Negotiable
Min.Order:1
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 | ||||||
Communication | GRPS(4G,2G), LoRA, NB-IoT, RS485(MODBUS-RTU) | ||||||
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: 3×57.7/100V (3 phase 4 wires) (Paired with PT) 3×100V (3 phase 3 wires) ------------------------------------------------------------------------------------ For Low Voltage: 3×220/380V (3 phase 4 wires) (Direct Connect) 3×380/660V (3 phase 4 wires) 3×380V (3 phase 3 wires) 3×660V (3 phase 3 wires) | |||||
Frequency | 50Hz~60Hz | ||||||
Comsumption | <0.5 VA (Each phase) | ||||||
Input Current | 3×1(6)A ;3×1(6)A(ADW300W), 3×20(100)A(ADW300W) | ||||||
Swtich | 1‰ Ib (Class 0.5S),4‰ Ib (Class 1) | ||||||
Residual Current | <1VA (Each phase) | ||||||
Auxiliary Power | Power Supply | AC 85~265V | |||||
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 (optional) | C | RS485 communication | |||||
LR | Lora 470MHz wireless communication | ||||||
4G | 4G wireless communication | ||||||
WF | WiFi wireless communication | ||||||
NB | NB-IOT wireless communication | ||||||
Environment | Operating Temperature | -20℃~55℃ | |||||
Storage Temperature | -40℃~70℃ | ||||||
Humidity | ≤95% (No condensation) | ||||||
Altitude |