Zc-620 electric energy meter field calibrator is a portable instrument designed and developed by Zhizhuo measurement and control for measurement professionals. It is a precision instrument for field calibration of high-level gateway electric energy meters. It is a classic circuit and high-performance calculation composed of a complete analog circuit, the industry's best multi-channel synchronous sampling 16 bit a / D converter and a 32-bit high-speed digital signal processor The digital AC sampling platform combined with the core makes the instrument have the potential of 0.02 level accuracy. Moreover, the instrument applies high-precision AD sampling technology, the latest digital signal processing technology, and color LCD display, which provides a convenient and efficient solution for field calibration of electric energy meters and other kinds of electrical instruments.
So what are the characteristics of zc-620 electric energy meter field calibrator?
1. Check the errors of active and reactive energy meters at the same time, check the errors of primary and secondary meters at the same time, and automatically calculate the standard deviation estimates;
2. The voltage, current, power, power factor, phase, frequency and other electrical instruments and transmitters can be verified by comparison;
3. Identify 48 common three-phase three wire and 96 three-phase four wire wiring errors in the four phase limits, and display the hexagon diagram of any wiring;
4. Clamp meter self calibration function can ensure the long-term accuracy stability of clamp type transformer. Each phase self check each other to ensure the long-term accuracy and stability of the instrument;
5. It can measure 2-51th harmonic of three-phase voltage and current, and store all harmonic data;
6. Measure the electric parameters (U, I, P, Q, Φ, f) of each phase on site;
7. It can display three voltage and three current waveforms at the same time;
8. Pt and CT secondary load can be measured;
9. Store all measurement data of 10000 tables, including working parameters, for convenience of post analysis;
10. Support u disk to download verification data through U disk and serial port upgrade software;
11. Communicate with PC to facilitate the interface with original database and management system. It can be equipped with power meter management system software to realize paperless office;
12. High brightness, high definition and high resolution 5.7 "(320 * 240) TFT color LCD;
13. It adopts T9 Chinese character input method commonly used in mobile phones, which is extremely convenient for Chinese character input;
14. Wide working power supply AC 85-480v, and dual choice of internal battery power supply (charging without external charger);
15. The system adopts a high-speed and high-precision digital multiplier to measure all parameters of active (reactive) power, voltage, current, frequency and phase at the same time, and to modify all parameters by software;
16. The instrument without potentiometer can completely prevent the error change caused by external reasons such as transportation, which greatly improves the stability and reliability of the system;
17. The system adopts the digital true reactive power measurement technology pioneered in China. It is the first time to improve the accuracy of reactive power to 0.1% in China;
18. Ensure the accuracy of electric energy (0.1% or 0.05%) within the temperature range of - 20 ℃ ~ + 40 ℃;
19. Four quadrant electric energy measurement;
20. It can be equipped with class 0.2 5A pliers (including opening and closing non repeatability error, contact error, external magnetic field interference error, angle difference, etc.);
21. Small current measurement < 5mA is supported to facilitate the identification of wiring errors in the first inspection without load;
22. It can be equipped with 20a, 100A, 500A and 1000A pliers to directly measure the comprehensive error of low-pressure metering, and cooperate with 5A pliers to directly measure the CT transformation ratio;
23. Automatic voltage shift 30-480v, direct current input 5A;
24. For each type of wiring, display the hexagon diagram after error identification, which can be used as the hexagon diagram line checking training;
25. Provide error correction function to facilitate error calibration (password required);
26. Data reading function of multi-function electric energy meter;
27. Check the constant of electric energy meter;
28. High precision plastic mold case design, light and beautiful.
This article ends here. From the above articles, we can see the characteristics of zc-620 electric energy meter field calibrator, which greatly reduces the work content of technical workers and improves the safety property.
Well, if you don't understand anything about zc-620 electric energy meter field calibrator, please consult our customer service personnel
