1. Measures over 30 basic electrical quantities, including phase/line voltage, three-phase current, zero-sequence voltage, zero-sequence current, active power, reactive power, apparent power, active energy, reactive energy, power factor, and frequency.
3. Measures and displays the average power factor for the past three months, accurately monitoring monthly reactive energy usage.
4. Provides 0.5S-level four-quadrant energy statistics and multi-rate statistics.
5. Provides demand statistics and records maximum and minimum values.
6. Provides operating time and load time statistics.
7. Event logging, capable of recording up to 100 events.
8. Supports calculation of harmonics up to 31st order, total harmonic distortion, unbalance rate, and current K-factor.
9. Provides alarm for over-limit values.
10. Standard RS485 communication interface, Modbus protocol, and expandable Profibus-DP communication module.
11. Expandable 4 passive switching inputs; expandable 4 relay outputs.
12. 256 points/cycle voltage and current sampling ensures measurement accuracy.
13. Expandable 4-20mA analog output; expandable PT100 temperature input.
14. 1 passive optocoupler collector active pulse output.
15. FSTN ultra-large LCD screen with high-brightness LED backlighting for uniform display, ensuring excellent viewing in strong sunlight and wide viewing angles.