kWh Accuracy Class 0.5S 3 phase electric power energy meter electrical metering equipment RS485 Port with Modbus-RTU protocol
Negotiable
Min.Order:1
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) |
Measurement (Optional) | 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) | |
Communication (Standard) | 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 |
Communication (Optional) | 4G LTE - Normal Communicaiton Module Support: LTE-FDD: B1/B3/B5/B8; LTE-TDD:B34/B38/B39/B40/B41 4G LTE - 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 | |
Display (Standard) | LCD Display and LED Indicator |
HMI (Standard) | Keypads Programming: Setting of CT/PT Ratio, Communication, Phase Wiring and etc |
Software (Standard) | Adjustment Software: Setting of Data Upload Interval, WiFi configuration (Account&Password), Server Address, Port and etc |
Alarm Function (Standard) | Undervoltage, Overvoltage, Undercurrent, Overcurrent, Underload, Overload, Communication Disconnection and etc |
I/O Function (Optional) | 4-channel or 2-channel DI (Digital Input) 2-channel DO (Digital Output) |
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 | ||
Auxiliary Power Supply | Voltage Range | 85~265Vac | |
Power Consumption | <2W | ||
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 |