| Display: | Digital |
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| Installation: | Direct Connected |
| Usage: | Multi-Functional Energy Meter |
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| Display | ||
| Display mode | LED | |
| Accuracy | ||
| Voltage | 0.5% | |
| Frequency | ±0.01Hz | |
| Voltage input | ||
| Range | 57.7/100/230/400V | |
| Resolution | 0.1 V | |
| Impedance | ≥1.7 MΩ/phase | |
| Power consumption | ≤0.1 VA /phase | |
| Over voltage | Continuous:1.2Vn; instantaneous: 2Vn/1min | |
| Frequency | 45 Hz~65 Hz | |
| Communication port | ||
| Physical interface | RS-485 | |
| Communication speed | Up to 9.6 kbps | |
| Communication protocol | Modbus-RTU | |
| Isolation voltage | 2000 VAC (1 min) | |
| Working power supply | ||
| Rated range | AC/DC(80~270)V | |
| Power consumption | ≤3VA | |
| Withstand voltage | ≥2kV | |
| 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 degree | No corrosive gas | |
| Protection degree | Front case IP54, rear case IP20 | |
| Insulation | Resistance between signal, power supply, output terminals and case >100MΩ | |
| Withstand voltage | Input and power supply ≥2kV, input and output ≥2kV, power supply and output ≥2kV |
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| EMC | ||
| Electrostatic discharge surge 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 | |
| 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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