Three Phase Energy Meter Tester PQA Power Quality Analyzer
Three Phase Energy Meter Tester PQA Power Quality Analyzer
I. Technical Parameters
Product name | Power Quality Analyzer |
Measuring range | 45 to 55Hz, center frequency 50Hz |
Measuring condition | The fundamental component of the signal is not less than 80% F.S. |
Accuracy | ≤0.02Hz |
Input voltage range | 10-450V |
Input current range | 5A, or customizable |
Fundamental voltage and current amplitude | Fundamental voltage allowable error≤0.5%F.S. Fundamental current allowable error≤1%F.S. |
Phase difference accuracy | ≤0.5° |
Harmonic voltage content rate accuracy | ≤0.1% |
Harmonic current content rate accuracy | ≤0.2% |
Three-phase voltage unbalance accuracy | ≤0.2% |
Voltage deviation accuracy | ≤0.2% |
Voltage variation accuracy | ≤0.2% |
Power accuracy | ≤0.5% |
Flicker accuracy | ≤0.5% |
Operating time | 5 hours |
Dimensions | 300(mm)*225(mm)*135(mm) |
Weight | 0.5kg |
II. Features
1. The instrument is safe, reliable and convenient to use, and greatly improves the anti-interference ability.
2. The instrument has a portable structure, small size, light weight, and one person can carry the instrument to the field for testing; built-in high-performance lithium battery without external power supply.
3. The instrument meets the requirements of Class A instrument. For harmonics, three-phase unbalance, flicker, and fluctuations, reference algorithms are used, without approximate calculations, high-precision A/D (16 bits), simultaneous sampling, and a sampling rate of 12.8 kHz.
4. The instrument adopts DSP+ARM+CPLD core with fast processing speed.
5. The instrument provides a USB interface, which is convenient for communicating and transferring data with a laptop computer.
6. Test parameters: system frequency, power grid harmonics, three-phase voltage unbalance, voltage fluctuation and flicker, voltage deviation, voltage fundamental effective value and true effective value, current fundamental effective value and true effective value, fundamental wave Active power, active power, fundamental apparent power, 2 to 64 harmonics, true power factor.
7. The instrument has a built-in 32MB memory.
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