Technical indicators
1. Input characteristics
Voltage measurement range: 20-800V, automatic gear switching.
Current measurement range
Clamp type transformer (three types): 5A/25A (standard)
100A/500A (optional)
400A/2000A (optional)
1000A/5000A (optional) flexible coil
Phase angle measurement range: 0~359.99 °.
Frequency measurement range: 45~65Hz.
Number of voltage channels: Three channels (UA, UB, UC).
Number of current channels: Three channels (IA, IB, IC).
Maximum harmonic analysis frequency: 63 times.
Maximum continuous storage period with a 1-minute interval: 18 months.
2. Accuracy
Electrical parameter measurement section:
Voltage: ± 0.1%
Frequency: ± 0.01Hz
Current and power: ± 0.5%
Phase: ± 0.2 °
Power quality section:
The allowable error of fundamental voltage is ≤ 0.5% F S.
Allowable error of fundamental current: ≤ 1% F S.
Measurement error of phase difference between fundamental voltage and current: ≤ 0.2 °
Measurement error of harmonic voltage content: ≤ 0.1%
Measurement error of harmonic current content: ≤ 0.2%
Three phase voltage imbalance error: ≤ 0.2%
Voltage deviation error: ≤ 0.2%
Voltage variation error: ≤ 0.2%
3. Working temperature: -10 ºC~+40 ºC
4. Charging power supply: AC220V, frequency 45Hz-55Hz
5. Host power consumption: ≤ 3VA
6. Maximum working time of battery: ≤ 10 hours
7. Insulation:
1) The insulation resistance of the voltage and current input terminals to the casing is ≥ 100M Ω.
2) The working power input terminal is subjected to a power frequency of 1.5KV (effective value) between the casing for 1 minute during the experiment.
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Volume
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258mm × 158mm × 58mm
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Weight
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1.5Kg
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Functional Features
1. The instrument is a high-precision testing device specifically designed to detect power quality issues such as waveform distortion, harmonic content, and three-phase imbalance in the power grid; It also has the functions of electrical parameter testing and vector analysis.
2. It can accurately measure various electrical parameters such as voltage, current, active power, reactive power, phase angle, power factor, frequency, etc.
3. It can display vector diagrams of the measured voltage and current, and users can analyze the vector diagrams to determine the correctness of the wiring of the measuring equipment.
4. The current is measured using a clamp type transformer. Because when using a clamp type current transformer for measurement, the operator does not need to disconnect the current circuit, making the measurement convenient and safe. According to the different measurement ranges of users, clamp gauges with different ranges can be selected.
5. It can measure and analyze the quality of AC power supplied by the public power grid to the user end, including frequency deviation, voltage deviation, allowable three-phase voltage imbalance, and grid harmonics.
6. It can display single-phase voltage and current waveforms and simultaneously display three-phase voltage and current waveforms.
7. All test interfaces have a screen lock function to facilitate user reading and data analysis.
8. Can measure short-term flicker Pst and long-term flicker Plt.
9. Load fluctuation monitoring: Measure and analyze the fluctuations caused by various electrical equipment in different operating states on the power quality of the public grid. Regularly record and store the changing trends of power parameters such as voltage, current, active power, reactive power, apparent power, frequency, phase, etc.
10. Record the active and reactive energy consumed at the testing point.
11. Dynamic monitoring of power equipment adjustment and operation process, helping users solve problems that arise during the adjustment and operation of power equipment.
12. Able to test and analyze the dynamic parameters of reactive power compensation and filtering devices in the power system, and make quantitative evaluations of their functions and technical indicators
13. Different storage intervals can be set to continuously store data according to the set time intervals;
14. Built in large capacity data storage, with adjustable storage intervals from 3 seconds to 10 minutes; It can be stored continuously for more than 18 months at 1-minute intervals, meeting the needs of long-term monitoring and testing points.
15. The instrument has a USB interface, which allows for easy copying of data directly to the backend management computer.
16. In conjunction with data management software, real-time sampling data can be directly uploaded to the backend management computer for more comprehensive and rapid processing.
17. Optional WIFI (Bluetooth) module for remote control of the instrument using a tablet or smartphone.
18. Equipped with perpetual calendar and clock functions, real-time display of date and time. At the same time as on-site testing, test data and results can be saved and uploaded to the computer through a serial port. The data can be managed by a microcomputer through backend management software (optional accessories), with report function.
19. Adopting imported large screen color LCD as the display, the Chinese operation interface is equipped with Chinese character prompt information and multi parameter display LCD display interface, and the human-machine dialogue interface is friendly.
20.3 minutes of inactivity, the LCD display automatically enters power-saving mode to extend battery life.
21. Conductive silicone buttons have good tactile feel, long lifespan, reasonable design, and easy operation.
22. Equipped with a large capacity and high-performance lithium-ion rechargeable battery, it can work continuously for more than 10 hours when fully charged.
23.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.
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