| Characteristic | Value |
|---|---|
| Operation accuracy |
At all three currents in range 0.10…1.20 × I n At all three voltages in range 0.50…1.15 × U n At the frequency f n ±1 Hz |
|
±1.5% for apparent power S ±1.5% for active power P and active energy 1 ±1.5% for reactive power Q and reactive energy 2 ±0.015 for power factor |
|
| Suppression of harmonics | DFT: -50 dB at f = n × f n, where n = 2, 3, 4, 5,… |
1 |PF| >0.5 which equals |cosφ| >0.5
2 |PF| <0.86 which equals |sinφ| >0.5