1、 Functional Features

1. Multi channel measurement: simultaneous measurement of 4 voltage channels and 4 current channels.

2. Electrical parameter measurement: can simultaneously measure voltage amplitude, current amplitude, phase, frequency, active power, reactive power, power factor, and other numbers;

3. It can measure the content of voltage harmonics and current harmonics from 2 to 64 times;

4. Measurable total harmonic distortion rate;

5. Measurable and capable of short-term flicker (PST), long-term flicker (PLT), and voltage fluctuations;

6. Can measure positive sequence voltage, negative sequence voltage, zero sequence voltage, and voltage imbalance;

7. Can measure positive sequence current, negative sequence current, zero sequence current, and current imbalance;

8. Transient parameter measurement function, with voltage surge and dip event recording function, and automatic waveform recording function, recording the occurrence time of the event and the actual waveform of the five cycles before and after it;

9. Equipped with waveform display function, it can real-time display the magnitude and distortion of voltage and current waveforms, and can also amplify the voltage and current waveforms on the instrument;

10. Hexagonal diagram display function, which can perform vector analysis of metering circuits and protection device circuits, and check for misconnection of metering devices; When using the three-phase three wire wiring method, 48 wiring methods can be automatically determined; The automatic calculation function for supplementary power is convenient for users to calculate the supplementary power for users with wiring problems.

11. The optional clamp gauge can be used for measuring the transformation ratio and angle difference of low-voltage current transformers;

12. The harmonic content can be displayed in the form of a bar chart, with a good visual effect;

13. Built in large capacity data storage, with storage intervals ranging from 1 second to 1000 minutes (optional), can continuously store data for up to 18 months at 1-minute intervals;

14. 10 inch large screen color LCD display 1280 × 800;

15. Capacitive screen touch operation, similar to tablet and smartphone operation, simple and easy to learn;

16. Support mouse operation to adapt to operators with different habits;

17. When measuring harmonics, it can automatically determine whether the content of each harmonic exceeds the standard according to the national standard and provide a prompt, which is clear at a glance;

18. Harmonic content rate national standard query function, which can query the allowable values of the national standard;

19. It has a frequency measurement range of 42.5Hz-69Hz and can measure 50 and 60 power systems.

20. Data can be stored on a USB drive for historical queries.

21. It can be equipped with dedicated data analysis and management software to analyze and process test results, and can grasp the power quality and periodic load changes of the tested points. It plays an irreplaceable role in helping power workers understand the power quality of users and take corresponding measures;

22. The analysis software can generate professional power quality analysis reports in accordance with national standards;

23. The instrument is small in size, light in weight, and easy to carry;

24. Equipped with a high-performance lithium-ion battery that automatically enters power-saving mode, the instrument can operate continuously for more than 10 hours without an external power source, making it convenient for on-site testing;

2、 Technical indicators