Technical parameter:
Project | Performance parameter | ||
Specification | 3 phase 3wires, 3 phase 4wires | ||
Measurement | Voltage | Reference voltage | 3 |
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 | ||
Digitsignal | 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 | ModbusRTU:1~247 | ||
Environment | Working temperature | -25℃~+55℃ | |
Relative humidity | ≤95℅(No condensation) |
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