Profile:
It can accurately measure voltage, current, active power, reactive power, phase Angle, power factor, frequency and other electrical parameters
It can display the vector diagram of the measured voltage and current, and the user can get the correct connection of the metering equipment by analyzing the vector diagram
Features:
1. The instrument is a high-precision testing instrument specially used to detect power quality problems such as waveform distortion, harmonic content and three-phase imbalance in the power grid; At the same time, it also has the function of electrical parameter testing and vector analysis.
2. Can accurately measure voltage, current, active power, reactive power, phase Angle, power factor, frequency and other electrical parameters.
3. The vector diagram of measured voltage and current can be displayed, and the user can get the correct connection of the metering equipment by analyzing the vector diagram.
4. The current is measured by the clamp transformer. Because the operator does not need to disconnect the current circuit when using the clamp current transformer measurement, it can be convenient and safe to measure. According to the user's different measuring range can be selected different range of clamp meter.
5. It can measure and analyze the AC power quality supplied by the public grid to the client end, and its measurement and analysis: frequency deviation, voltage deviation, three-phase voltage allowable unbalance degree and grid harmonics.
6. Can display single-phase voltage and current waveform and can display three-phase voltage and current waveform at the same time.
7. All test interfaces have screen lock function to facilitate users to read and analyze data.
8. Short-term flicker Pst and long-term flicker Plt can be measured.
9. Load fluctuation monitoring: Measure and analyze the fluctuations caused by various electrical equipment in different operating states to the power quality of the public grid. Periodically record and store the trend of voltage, current, active power, reactive power, apparent power, frequency, phase and other power parameters.
10. Record the active and reactive electric energy consumed at the test point.
Parameter:
1. Enter features
Voltage measurement range: 20 ~ 800V, automatic cutting.
Current measuring range
Clamp transformer (three kinds) : 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 (UA, UB, UC).
Number of current channels: three (IA, IB, IC).
Maximum harmonic analysis times: 63 times.
1-minute interval Maximum continuous storage period: 18 months.
Step 2: Accuracy
Electrical parameter measurement part:
Voltage: ± 0.1%
Frequency: ±0.01Hz
Current, power: ±0.5%
Phase: ±0.2°
Power Quality part:
Allowable error of fundamental voltage ≤ 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 unbalance error: ≤0.2%
Voltage deviation error: ≤0.2%
Voltage variation error: ≤0.2%
3. Working temperature: -10℃~ +40℃
4. Charging power supply: AC220V, frequency 45Hz-55Hz
5. Host power consumption: ≤3VA
6. Maximum working time of the battery: ≤10 hours
7. Insulation:
1) The insulation resistance of the voltage and current input end to the housing is ≥100MΩ.
2) The working power input end is between the shell