Description
Overview
GAOTek High Precision Power Quality Analyzer calibrator is the latest development of high precision testing instrument, which has functions of electric parameter measurement, energy meter calibration and wiring judgment. This Power Quality Analyzer measures high linearity of voltage transformer and current transformer and is a highly accurate device for measuring various parameters. It is equipped with clip-on current transformer that makes the field wiring simple, it can directly access without interrupting current circuit.
Features
- Displays the single-phase voltage, current waveform, it also can display the three-phase voltage and current waveform at the same time
- It can use photoelectric, manual, pulse and other methods to calibrate the energy meter
- Clip-on transformer is used to measure the current circuit, the operator does not need to disconnect the current circuit, the measurement is convenient and safe
- Load fluctuation monitoring, recording and storage voltage, current, active power, reactive power, apparent power, frequency, phase and other power parameters
- Dynamic monitoring with the adjustment and operation of electrical equipment
- Test and analysis the reactive power compensation and the dynamic parameters of filtering device in power system, and make quantitative evaluation on their function and technical specifications
- With optional bar code scanner, can automatically enter the bar code of meter
- Can test the communication interface 485 of energy meter, and also can make on-site calibration for multifunctional (intelligent) energy meter by carrying out error checking according to the demand cycle and slip time which has been set in the meter
- With calendar and clock function, real-time display date and time
- Can save the test results and on-site calibration at the same time, and uploaded to the computer through the serial port to realize computerized management of data by the backstage management software
Technical Specifications
| Input characteristics | |||||||
| Voltage measuring range | 0 ~ 400 V. 57.7 V, 100 V, 200 V, 400 V | ||||||
| Current measuring range | 0 ~ 5 A. The built-in transformer is divided into 5 A (CT) gear. Clamp-on transformer is divided into six gears, they are 5 A (small clamp), 25A (small clamp), 100 A (medium clamp), 500 A (medium clamp), 400 A (big clamp), 2000 A (big clamp) | ||||||
| Phase angle measuring range: | 0 ~ 359.999°. | ||||||
| Frequency measuring range | 45 Hz ~ 55 Hz | ||||||
| ± 50 ppm over any ≥ 1ms time interval | |||||||
| Accuracy | |||||||
| Measurement | Voltage: ± 0.05 % (± 0.01 %) | Current: ± 0.05 % (± 0.01 %) (clamp-on transformer: ± 0.5 % ) | |||||
| Active power: ± 0.05% (± 0.01 %) (clamp-on transformer: ± 0.5 % ) | Reactive power: ± 0.3 % (± 0.5%) (clamp-on transformer: ± 1.0 % ) | ||||||
| Active energy: ± 0.05 % (± 0.01 %) (clamp-on transformer: ± 0.5 % ) | Reactive energy: ± 0.3 % (± 0.5%) (clamp-on transformer: ± 1.0 % ) | ||||||
| Frequency: ± 0.05 % (± 0.01 %) | Phase: ±0.2° | ||||||
| Power quality | |||||||
| Amplitude of fundamental Voltage | Permissible error of fundamental voltage: ≤ 0.5 % F.S.
Permissible error of fundamental current: ≤ 1 % F.S. |
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| Fundamental current | ≤ 0.5°
measuring error of harmonic voltage ratio: ≤ 0.1 % The measuring error of harmonic current ratio: ≤ 0.2 % The unbalance error of three-phase voltage: ≤ 0.2 % |
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| Operation temperature | 50 ◦F to 104 ◦F (10 ◦C to 40 ◦C) | ||||||
| Insulation | Current input: ≥100 MΩ.
withstand between the input end of working power supply and the casing is 1.5 KV (RMS), for 1 minute experiment |
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| Standard energy pulse constant | (FL) = 10000 r/kW·h | ||||||
| 5 A | 25 A | 100 A | 500 A | 400 A | 2000 A | ||
| 10000
r/KW·h |
2000 r/KW·h | 500 r/KW·h | 100 r/KW·h | 125 r/KW·h | 25 r/KW·h | ||
| Weight | 4.40 lbs (2 kg) | ||||||
| Dimension | 9.84 in x 6.29 in x 2.36 in (25 cm x 16 cm x 6 cm) | ||||||
Additional Information
Applications
- High precision measuring instrument, which can be used in the calibration of electric energy meter, testing of electrical parameters, detection of waveform distortion, voltage fluctuation, unbalanced three-phase and other power quality problems occurred in the power grid
- The precise measurement of voltage, current, active power, reactive power, phase angle, power factor, frequency and other electrical parameters to calculate the measurement error of the test equipment circuit
- It can display the measured voltage and current vector diagram. Using this, the user can analyze the wiring of the measuring equipment is correct or not through the analysis of vector diagram
- Clip-on transformer is used to measure the current circuit, the operator does not need to disconnect the current circuit, and the measurement is convenient and safe.
- It can calibrate voltmeter, ammeter, power meter, phase meter and other indicating instruments, and also can measure variety of 1 A or 5 A three-phase three-wire, three-phase four-wire and single phase of active and reactive energy meters
- Can use photoelectric, manual, pulse and other methods to calibrate the energy meter
- Measurement and analysis of the AC power quality from the grid to the client, the measurement include: frequency deviation, voltage deviation, voltage fluctuation, three-phase voltage unbalance and harmonic
- Displays the single-phase voltage, current waveform, it also can display the three-phase voltage and current waveform at the same time
