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Measurement accuracy |
Voltage/Current | Class 0.5, reference standard IEC 61557-12 |
| Active power | Class 0.5, reference standard IEC 61557-12 | |
| Reactive power | Class 2, reference standard IEC 61557-12 | |
| Apparent power |
Class 1, reference standard IEC 61557-12 | |
| Active power | Class 0.5S, reference standard IEC 62053-21/22, IEC 61557-12 |
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| Reactive power | Class 2, reference standard IEC 62053-23; Class 2, reference standard IEC 61557-12 |
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| Power factor | Class 1, reference standard IEC 61557-12 | |
| Frequency | Class 0.2, reference standardIEC 61557-12 | |
| Measurement data update rate | 1s(Optional 100ms) | |
Measuring the input voltage |
Rated voltage | 230 VAC(Phase voltage) / 400 VAC(Line voltage) |
| Direct access | Measurement range: 30~300 VAC(Phase voltage);30~500 VAC(Line voltage) |
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| PT access | Maximum primary side value of PT supported: 500000 VAC |
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| Measuring circuit impedance |
1MΩ | |
| Measuring frequency range |
45~65 Hz | |
| Overload capacity |
2 times rated value for 1 second | |
Measurement of input current |
CT secondary output |
Ratings: 1A/5A (default), 100mA/mV (optional) |
| CT primary side range |
1~9999 A | |
| Current measurement range |
0.003 ~ 6 A, rated 5A | |
| Measuring circuit |
<0.01 ohm |
| impedance | ||
| Overload capacity |
20 times the maximum current for 0.5 seconds |
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Auxiliary power supply |
Operating voltage range |
80~300 VAC / 100~420 VDC |
| Operating Frequency Range |
45~65 Hz | |
| Power consumption |
< 4VA/0.5W | |
Electrical Pulse Output |
Output method | Open collector optocoupler pulse |
| Pulse constant | Can be set to: each pulse equal to 0.001, 0.01, 0.1, 1, 10, 100 kWh/kvarh |
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| Pulse width | Can be set to: 60, 100 (default), 200ms | |
| Pulse output type |
Can be set to: forward/reverse/total active or reactive power |
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| Output level | Class A, reference standard IEC 62053-31 | |
| Input Voltage | 5~27 VDC | |
| Pulse indicator on the panel | The pulse constant is 5000 imp/kWh, representing the total active power on the secondary side |
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| Real-time clock timing accuracy | 0.5 s/d | |
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