PAD3000 Multi functional Energy Meter On site Calibration Device

PAD3000Multi functional on-site calibrator for electric energy metersIt is a high-precision testing instrument developed and researched by our company, which integrates measurement of electrical parameters, calibration of electric energy meters, and wiring judgment. The instrument is equipped with high-precision and high linearity voltage transformers and current transformers, which enable the instrument to measure various parameters with high accuracy. At the same time, it is equipped with clamp type current transformers, which make on-site wiring simple and can be directly connected without disconnecting the current circuit.

This instrument adoptsEmbedded control board, dedicated real-time multitasking operating system, using a 10 inch large screen true color LCD as the display, with a fully Chinese graphical operation interface and a LCD display interface with Chinese character prompt information and multi parameter display. The human-machine dialogue interface is friendly, and the vector diagram display and wiring judgment provide a reliable basis for checking the correctness of the circuit. High resolution capacitive touch screen, as a human-machine operation method, has a good operating feel and is easy to learn. The instrument is equipped with a large capacity built-in power failure data storage, which can save on-site verification data and store up to 60000 sets of (infinitely expandable) on-site verification results. It can provide backend microcomputer management software, which can import record files into the computer through a USB flash drive to achieve computerized management.

PAD3000Multi functional on-site calibrator for electric energy metersUsing our company's independently designed and molded engineering plastic casing, the instrument has a beautiful and practical appearance. The on-site testing operation is convenient.

When operating this device, the rear bracket can be opened and placed on the desktop for use, or it can be operated handheld. For the convenience of handheld operation, this machine is equipped with a high-strength self extending handle, making it easy for operators to hold the instrument with one hand.

Features

1. The instrument adoptsEmbedded control board, dedicated real-time multitasking operating system, 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. The comprehensive online load detection and measurement equipment without power outage, without changing the measurement circuit, and without turning on the measurement 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 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. The demand can be verified 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.

technical 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. Power quality

Harmonic frequency measurement range: 2-64 times

Fundamental voltage and current amplitude: The fundamental voltage is allowed to be ≤ 0.5% F.S; The fundamental current is allowed to be ≤ 1% F.S

Measurement of phase difference between fundamental voltage and current: ≤ 0.5 °

Harmonic voltage content measurement: ≤ 0.1%

Harmonic current content measurement: ≤ 0.2%

Three phase voltage imbalance: ≤ 0.2%

4. Working temperature

Working temperature: -10 ℃~+40 ℃

5. 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.

6. Standard electric energy pulse constant

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

Clamp type transformer constant (FL):

7. Weight

Weight: 2Kg

8. Volume

体积： 28cm×21cm×6cm