PRODUCT
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CY-3A Intelligent Electric Energy Meter Field Calibrator


CY-3A intelligent electric energy meter field calibrator is the latest product launched by our company after extensive interviews with users and drawing on the advantages of similar products at home and abroad. The measurement part of this product is sampled through high-speed A/D conversion and sent to DSP for digital processing, which greatly improves the accuracy and stability of measurement. The central processing part adopts 32-bit ARM embedded technology, which makes the instrument have a novel interface, rich functions, clear and simple operation, and stable performance. Accuracy level: 0.05 level.

  • Product description
  • Overview
    CY-3A intelligent electric energy meter field calibrator is the latest product launched by our company after extensive interviews with users and drawing on the advantages of similar products at home and abroad. The measurement part of this product is sampled through high-speed A/D conversion and sent to DSP for digital processing, which greatly improves the accuracy and stability of measurement. The central processing part adopts 32-bit ARM embedded technology, which makes the instrument have a novel interface, rich functions, clear and simple operation, and stable performance. Accuracy level: 0.05 level.

    Features
    1. Adopt 7-inch 800 One screen displays all measurement parameters, vector diagrams, harmonic distortion, and calibration parameter settings, allowing you to calibrate energy meter errors without switching interfaces.
    2. Both touch screen and buttons can be operated, making the operation more convenient and faster.
    3. It can measure voltage, current, power, phase and frequency at the same time and check the error; and the voltage and current (between 1A and 10A) can automatically change gears.
    4. Real load calibration of three-phase four-wire, three-phase three-wire active energy meters, and various reactive energy meters (Q90, Q60).
    5. It has fundamental wave measurement mode, which can realize the calibration of fundamental wave table.
    6. It has two electric energy pulse input ports, which can calibrate two meters (main and auxiliary meters) at the same time, or calibrate the active and reactive power errors of a multi-function meter at the same time. It can also calibrate active and reactive power meters at the same time. .
    7. The output electric energy constant can be set to facilitate calibration of the instrument.
    8. It has an error rounding function, which automatically rounds the error according to the accuracy level of the electric energy meter being calibrated.
    9. Measure CT transformation ratio, ratio difference, angle difference, and polarity.
    10. Can measure ambient temperature and humidity. It can also record the ambient temperature and humidity during measurement;
    11. It can analyze 0~51st harmonics and measure the content, amplitude and relative fundamental wave phase of each harmonic. It is also displayed with a histogram, and the histogram has a zoom function for easy observation and analysis.
    12. Waveform display and amplification function.
    13. Users can choose 5A, 10A, 100A, 200A, 500A, 1000A, 2000A clamp meters or choose flexible coils (lokovski coils) 5000A, 10000A according to needs to achieve real load measurement of the comprehensive error of low-voltage electric energy metering devices. Can be equipped with 3 types of clamp meters at the same time.
    14. Automatically identify the current access method, the user does not need to set it.
    15. It has the function of accumulating electric energy. It can carry out on-site reading test of electric energy meter, calibrate meter error and calibration constant. Active electric energy, reactive electric energy, and apparent electric energy can be accumulated simultaneously.
    16. Rich vector graphics display to meet various user habits.
    17. It can realize quick on-site identification of incorrect wiring of three-phase three-wire and three-phase four-wire. and provide corrective steps. It can also calculate the correction coefficient and supplementary power under incorrect wiring.
    18. Supports barcode input, so that on-site errors can be quickly verified without inputting verification parameters. (User optional)
    19. Supports numeric input, letter input, symbol input, and Chinese character input.
    20. It has the functions of storing and uploading various measurement data. Support RS232 and USB communication. Measurement data can be exported and imported via USB flash drive. It can also accept the calibration plan downloaded from the PC, and quickly find the calibration parameters of the table under various conditions (bureau number, account number, user name) on site. Can store measurement data of 1000 meters.
    21. Equipped with a hard clock that can directly display the current time and date, and can record the test time at any time.
    22. Equipped with RS-485 interface, it can read the electric quantity on site and conduct energy meter communication check.
    23. Extensible measurement: PT secondary pressure drop, PT secondary load, CT secondary load.
    24. There is a GPS interface for time adjustment and timing of the multi-function watch.
    25. Power supply working range: 45~450V, with internal and external wiring methods, strong adaptability, safe and reliable.

    Performance
    1. Voltage, current, active power, active energy (built-in current transformer) accuracy level: 0.05.
    2. Reactive power and reactive energy accuracy level: 0.1 level.
    3. Voltage input: 30V ~ 560V, four gears: 60V, 120V, 240V, 480V, automatic shifting.
    4. Current input: Built-in current transformer: 0.02~6A, automatic shifting.
    Clamp meter: optional 5A, 10A, 20A, 100A, 200A, 500A, 1000A and 2000A.
    Flexible coil (lokovski coil): 5000A, 10000A.
    5.Basic error

    Load current power factor Basic error limit (%)

           0.05Ib

            1.0

            ± 0.1

      0.1Ib ~ Imax

            1.0

            ± 0.05

           0.1Ib

    0.5 (L));0.8(C)

            ± 0.15

           0.2Ib

    0.5 (L));0.8(C)

            ± 0.075

      0.5Ib ~ Imax

      0.5 (L));0.8(C)

            ± 0.05

     

    6. Phase measurement range: 0.000°~360° (or 0.000°~±180°), resolution: 0.001°.
    Accuracy: ±0.05° (current input >10%Ib)
    7. Frequency measurement: Resolution: 0.001H, accuracy: ±0.01Hz.
    8. Input power pulse: TTL level, maximum frequency ≤2MHz.
    9. Output electric energy pulse: automatic constant, rated range: f=60KHz. Manual constant can be set between 1 and 250000.
    10. Temperature coefficient: 5ppm.
    11. Low voltage input impedance: >750KΩ;
    12. Current input impedance: <0.05Ω;
    13. Input signal frequency: 45~65Hz;
    14.PT secondary pressure drop accuracy (90%~110%Un): angle difference 0.2´; ratio difference 0.02%;
    15. PT, CT secondary load measurement accuracy: level 1.0
    Measuring range: Admittance: 1.0~99.99 (ms);
    Impedance: 0.1~8 (Ω);
    16. Clock measurement accuracy: ±0.5ppm; 0.05 seconds/day;
    17. Power supply: frequency 50Hz, range 45~450V;
    18. Power consumption: ≤11VA;
    19. Working environment temperature: -10℃~40℃ Humidity: 30~80%RH;
    20. Volume: length 245mm X width 168mm X height 70mm;
    21. Instrument weight: 1.8Kg.
    Keywords:
    • CY-3A智能电能表现场校验仪