The single se smart power distribution meter is an instrument integrated with power parameter real-time measurement and control, a distribution meter mainly designed for electric power automation monitoring system, distribution system, industrial and mining enterprises, communal facilities, measurement and assessment applications, with high accuracy, high reliability and high cost performance, capable of voltage, current, active power, reactive power, power factor and frequency and other electric parameters measurement. Â
Real-time measurement of power parameter, and simple metering of energy;Â
Display of variation ratio, operated through buttons on the panel, flexible setting and use;Â
Optional transmitting output of the measured values, with the outputs of 4-20Ma,0ï¼24Ma,0-5V,0-10V and other analog values;
Optional FS485 communication interface, adopting MODBUS protocol;Â
Digital zero clearing, calibration and high accuracy and high cost performance;
Extensive application range and strong combination functions;
Interface electrical performance: Â
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| Voltage | Un      Reference voltage Un | AC220V | |
| Measurement accuracy: | RMS measurement accuracy: 0.2% or 0.5% (optional) | ||
| Operating range: | 20V-400V | ||
| Limit voltage | 1.9Un | ||
| Frequency | Measurement range | (45-65)HZ | |
| Measurement accuracy: | 0.01HZ | ||
| Transmitting output | Transmitting output | DC 4mAï¼20 mA current output，load resistance ≤400; | |
| Interface quantity | 1 n> | ||
|  Switching value output | Relay output | rating: AC/DC 200V/5A | |
| Interface quantity | 2 an> | ||
| Input type | Optoelectronic isolation input | ||
| Input pattern | Dry node | ||
| Input impedance | 1.2K | ||
| Interface quantity | 2 an> | ||
| Active power metering accuracy | Â 0.5% | ||
| Reactive power metering accuracy | 0.5% | ||
| Apparent power | 0.5% | ||
| Power factor | Power factor measurement accuracy | 0.5% | |
| Current | Rated current | 1A, 1.5A, 5A | |
| Â Measurement range | 1(6)A, 1.5(6)A, 5(6)A | ||
| Measurement accuracy: | RMS measurement accuracy: 0.2% or 0.5% (optional) | ||
| Energy | Active energy (accuracy class: 0.5S or 1.0) | ||
| Reactive energy, accuracy class: Class 2; | |||
| Energy output impulse | 2 optocoupler output (1 active and reactive respectively) | ||
| communication interface | RS485 port, Modbus RTU protocol,   Baud Rate:1200bps-9600bps  | ||
|  Environment | Operating temperature | -25℃~+60℃ | |
| Ultimate operating temperature | -40℃~+80℃ | ||
| Relative humidity: | ≤95% (without condensation) | ||
| Â Dimension and weight | Overall dimensions | 96mm*48mm | |
| Hole size | 92mm*45mm | ||
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