1SDYDCY-3C Flat Plate Three Phase Energy Meter On site Calibration InstrumentFunctional Features

1. The on-site verification instrument for three-phase electric energy meters adopts an embedded control board, a dedicated real-time multitasking operating system, and a quasi WINDOWS style interface.

2. The instrument is a high-precision testing device that integrates the verification of energy meters, electrical parameter testing, and detection of power quality issues such as waveform distortion, voltage fluctuations, and three-phase imbalance in the power grid.

3. Under the condition of no power outage, no change to the measuring circuit, and no opening of the measuring equipment, the comprehensive error of the online real load detection measuring equipment.

4. Accurately measure various electrical parameters such as voltage, current, active power, reactive power, phase angle, power factor, frequency, etc., in order to calculate the measurement error of the testing equipment circuit.

5. It can display the vector diagram of the measured voltage and current, and users can analyze the vector diagram to determine the correctness of the wiring of the measuring equipment. At the same time, in the three-phase three wire wiring mode, 48 wiring modes 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.

6. The current circuit can be measured using clamp type transformers, and the operator does not need to disconnect the current circuit, making it convenient and safe for measurement.

7. It can verify various indicating instruments such as voltmeter, ammeter, power meter, phase meter, as well as three-phase three wire, three-phase four wire, single-phase 1A, 5A active and reactive energy meters.

8. Electric energy meter calibration can be carried out using photoelectric, manual, pulse and other methods.

9. Precision testing can be performed on voltage and current for 2nd to 64th harmonics.

10. Measure and analyze the quality of AC power supplied by the public power grid to the user end, including frequency deviation, voltage deviation, voltage fluctuation, allowable three-phase voltage imbalance, and grid harmonics.

11. It can display single-phase voltage and current waveforms and simultaneously display three-phase voltage and current waveforms.

12. Load fluctuation monitoring: measuring and analyzing the fluctuations caused by various electrical equipment in different operating states on the power quality of the public grid. Record and store power parameters such as voltage, current, active power, reactive power, apparent power, frequency, phase, etc.

13. Optional barcode scanner can be used to automatically input the barcode of the electricity meter.

14. The 485 communication interface of the electric energy meter is tested and can complete the on-site verification of the multifunctional (intelligent) electric energy meter. It can perform error verification on the demand based on the set demand cycle and slip time in the meter.

15. Equipped with perpetual calendar and clock functions, real-time display of date and time.

16. At the same time as on-site verification, 60000 test data and results can be saved (with the option to delete a single or all of them), and uploaded to the computer through a USB flash drive. The data can be managed through the backend management software (optional accessories) to achieve computerized management.

17. Adopting a large imported touch screen color LCD as the display, the Chinese graphical operation interface is equipped with Chinese character prompt information and a multi parameter display LCD display interface, making the human-machine dialogue interface friendly.

18. Capacitive touch screen with high touch sensitivity and easy operation.

19. Optional virtual load allows for on-site verification of the energy meter without any load.

20. Small in size, light in weight, easy to carry, can be used for on-site measurement, and can also be used as standard measuring equipment in laboratories.

IISDYDCY-3C Flat Plate Three Phase Energy Meter On site Calibration Instrumenttechnical indicators

1. Input characteristics

Voltage measurement range: 0~400V, 57.7V, 100V, 220V, 400V with automatic range switching.

Current measurement range: 0~5A, with built-in transformers divided into 5A (CT) levels. The clamp type transformer has six gears: 5A (small clamp), 25A (small clamp), 100A (middle clamp), 500A (middle clamp), 400A (large clamp), and 2000A (large clamp). (Medium and large clamp gauges are optional)

Phase angle measurement range: 0~359.999 °.

Frequency measurement range: 45~55Hz.

2. Accuracy

Measurement verification section:

Voltage: ± 0.05% (± 0.1%)

Current: ± 0.05% (± 0.1%) (clamp type transformer ± 0.2%)

Active power: ± 0.05% (± 0.1%) (clamp type transformer ± 0.2%)

Reactive power: ± 0.2% (± 0.3%) (clamp type transformer ± 0.5%)

Active energy: ± 0.05% (± 0.1%) (clamp type transformer ± 0.2%)

Reactive energy: ± 0.2% (± 0.3%) (clamp type transformer ± 0.5%)

Frequency: ± 0.05% (± 0.1%)

Phase: ± 0.2 °

3. Working temperature

Working temperature: -10 ℃~+40 ℃

4. Insulation

⑴ The insulation resistance between the voltage and current input terminals and the casing is ≥ 100M Ω.

⑵ The working power input terminal is subjected to a power frequency of 1.5KV (effective value) between the casing, and the experiment lasts for 1 minute.

5. Standard electric energy pulse constant

Standard electric energy pulse constant: Built in transformer constant (FL)=10000 r/kW · h,

Clamp type transformer constant (FL):

Weight: 2Kg

7. Volume

体积： 28cm×21cm×6cm