

|   			 Project  |   			Performance parameter | ||
| Specification | 3 phase 3 wires, 3 phase 4 wires | ||
| Measurement | Voltage | Reference voltage | 3×100V3×380Vac,3×57.7/100Vac, 3×220/380Vac (Can normally work under 1.2 times of rated voltage) | 
| Consumption | <10VA(Single phase) | ||
| Impedance | >2MΩ | ||
| Accuracy class | Error±0.2% | ||
| Current | Input current | 3×1(6)A, 3×10(80)A | |
| Consumption | <1VA Single phase rated current | ||
| Accuracy class | Error±0.2% | ||
| Power | Active, reactive, apparent power, error±0.5℅ | ||
| Frequency | 45~65Hz,Error±0.2% | ||
| Metering | Energy | Active energy(Accuracy class: 0.5) reactive energy(Accuracy class 2) | |
| Clock | ≤0.5s/d | ||
| Digit signal | Energy pulse output | 1 active photocoupler output | |
| Pulse | Width of pulse | 80±20ms | |
| Pulse constant | 400imp/kWh,10000imp/kWh(Correspond with the basic current) | ||
| Communication | Interface and communication protocol | RS485:Modbus RTU | |
| Range of Communication address | Modbus RTU:1~ 247; | ||
| Baud rate | 1200bps~19200bps | ||
| Environment | Working temperature | -25℃~+55℃ | |
| Relative humidity | ≤95℅(No condensation) | ||
| Diverse Electric Parameters Measurement ● kWh (3-phase positive Kilowatt-hours) ● kVarh (Kilovar-hours) ● Harmonic (2~31st voltage¤t)---Standard ● U (3-phase Voltage) ● I (3-phase Current) ● P (Power) ● Q (Reactive power) ● F (Frequency) ● S (Apparent power) ● PF (Power factor)  |   			![]()  |   		
| Multi-rate/Flexible Tariff ● 4 Time zone ● 4 Tariff rate (Spike, Peak, Flat, Valley) ● 2 Time period list ● 14 Time period by day ● Data Frozen (last 48 months or last 90 days) ● Max demand and occurrence time  |   			![]()  |   		
| HMI for Common Configuration ● PT or CT ratio ● Wiring methods (3P4W or 3P3W) ● Back linght time ● RS485 (MODBUS-RTU) communication setting  |   			![]()  |   		



