| Display: | Digital |
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| Installation: | Direct Connected |
| Usage: | Multi-Functional Energy Meter |
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| Working Environment | |
| Working temperature | -10°C -- 55°C |
| Storage temperature | -25°C -- 70°C |
| Relative humidity | ≤95% RH, no condensation |
| Working altitude | ≤2500m |
| Anti-pollution level | Non-corrosive gas |
| Protection degree | Front case IP54, rear case IP20. |
| Insulation | Between signal, power supply, output terminal to case resistance >100MΩ |
| Withstand voltage | Input and power supply ≥ 2kV, input and output ≥ 2kV, power supply and output ≥ 2kV |
| Display | |
| Display method | LCD |
| Working Power Supply | |
| Rated range | AC/DC(80~270)V |
| Power consumption | ≤3VA |
| Withstand voltage | ≥2kV |
| Voltage Input | |
| Range | 3×230/400V |
| Resolution | 0.1 V |
| Impedance | ≥1.7 MΩ/ per phase |
| Power consumption | ≤0.1 VA / per phase |
| Overload | Continuous: 1.2Vn Instantaneous: 2Vn/1min |
| Frequency | 45 Hz-65 Hz |
| Communication Interface | |
| Physical interface | RS-485 |
| Communication speed | Up to 9.6 kbps |
| Communication protocol | Modbus-RTU |
| Isolation voltage | 2000 VAC (1 min) |
| EMC | |
| Electrostatic discharge immunity | IEC 61000-4-2-III |
| Radiated, radio-frequency, electromagnetic field immunity | IEC 61000-4-3-III |
| Electrical fast transient/burst immunity | IEC 61000-4-4-IV |
| Impact (surge) immunity | IEC 61000-4-5-IV |
| Immunity to conducted disturbances, induced by radio-frequency fields | IEC 61000-4-6-III |
| Power frequency magnetic field immunity | IEC 61000-4-8-III |
| Voltage dips, short interruptions and voltage variations immunity | IEC 61000-4-11-III |
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