I.Functions and Features
1. Multi-channel testing: Simultaneous measurement of 4 voltage channels and 4 current channels.
2. Electrical parameter measurement: It can measure a variety of electrical parameters at the same time, such as voltage, current, active power, reactive power, phase angle, power factor, frequency, etc.
3. It can measure the voltage harmonic and 2-64th current harmonic content
4. It can measure the 0.5-31.5 Inter-harmonic content of voltage and current
5. It can measure the total harmonic distortion rate of voltage and current
6. Can measure and short-term flicker (Pst), long-term flicker (Plt), voltage fluctuation
7. It can measure positive sequence voltage, negative sequence voltage, zero sequence voltage, voltage unbalance
8. It can measure positive sequence current, negative sequence current, zero sequence current, current unbalance
9. It has the function of measuring transient parameters and the function of recording voltage swells and drops. At the same time, the recording function is automatically started to record the occurrence time of the event and the actual waveforms of the five cycles before and after the occurrence.
10. It has an oscilloscope function, which can display the size and distortion of voltage and current in real-time waveforms, and can zoom in and out of the voltage and current waveforms on the instrument
11. It has a hexagonal diagram display function, which can perform vector analysis of the metering circuit and the protection device circuit, and check the wrong wiring of the metering device; in the three-phase three-wire connection mode, it can automatically judge 48 wiring methods; the automatic calculation function of the supplementary power is convenient to use. The personnel calculate the supplementary power for users with wiring problems.
12. Optional large clamp can be used to measure the transformation ratio and angle difference of low-voltage current transformers
13. Harmonic content can be displayed in the form of a histogram, with good visual effects
14. It has built-in large-capacity data memory, (storage interval 1 second-1000 minutes optional) can store data continuously for more than 18 months at a time interval of 1 minute
15. 10-inch large-screen color LCD monitor 1280×800
16. Capacitive screen touch operation is similar to that of tablet PC and smart phone, easy to learn
17. Support mouse operation, adapt to operators with different habits
18. During harmonic measurement, it can automatically judge whether the harmonic content of each order exceeds the standard according to the national standard and give a prompt, which is clear at a glance
19. It has a national standard query function for harmonic content rate, which can query the allowable value of the national standard
20. It has a frequency measurement range of 42.5Hz-69Hz, capable of measuring 50, 60 power systems
21. Data can be stored in U disk for historical query.
22. It can be equipped with dedicated data analysis and management software to analyze and process the test results, and can grasp the power quality and load periodic changes of the measured point. This is irreplaceable for the power workers to understand the user's power quality and take corresponding processing measures effect
23. The analysis software can generate professional power quality analysis reports in accordance with the requirements of the national standard
24. The instrument has a screen capture function, and the displayed data on any screen can be manually saved in the form of pictures
25. The instrument is small in size, light in weight and easy to carry
26. It has a built-in high-performance lithium-ion battery and automatically enters the power-saving mode, allowing the instrument to work continuously for more than 10 hours without an external power supply, which is convenient for on-site testing
II. Technical Specifications
Project | Data | |
Number of measurement channels | Four voltage channels, four current channels | |
Measuring range | Voltage | 0-900V |
Current | Small clamp:diameter 8mm,5A/25A(standard) Medium clamp:diameter 50mm,100A/500A(Optional) Large clamp:diameter 125×50mm,400A/2000A(Optional) | |
Phase angle | 0.000-359.999° | |
Frequency | 42.5-69Hz | |
Measuring step | Voltage | 0.001V |
Current | 0.0001A | |
Phase angle | 0.001° | |
Power | active power 0.01W、reactive power 0.01Var | |
Frequency | 0.0001Hz | |
Voltage measurement accuracy | ≤0.1% | |
Current measurement accuracy | ≤0.3% | |
Phase angle measurement accuracy | ≤0.1° | |
Power measurement accuracy | ≤0.5% | |
Frequency measurement accuracy | ≤0.01Hz | |
Harmonic analysis times | 2-64 times | |
Harmonic voltage measurement error | Harmonic content>1% Nominal value:≤1% RD Harmonic content<1% Nominal value:≤0.05%FS | |
Harmonic current measurement error | Harmonic content>3% Nominal value:≤1% RD Harmonic content<3% Nominal value:≤0.05%FS | |
Three phase voltage unbalance error | ≤0.2% | |
Three phase current unbalance error | ≤0.5% | |
Voltage fluctuation accuracy | 5% | |
PST measurement time | 10min | |
PLT measurement time | 2h | |
PST/PLT measurement error | ≤5% | |
Screen | 1280×800、True color LCD | |
Charging Power | AC220V±15% Frequency 45Hz-65Hz | |
Standby timing | ≥10h | |
Host Power | <4VA | |
Insulation | 1) The insulation resistance between the voltage, current input terminal and the housing ≤100MΩ. 2) Withstand 1.5KV (valid value) with power frequency on operating power input and the shell, which lasts one minute. | |
Working temperature | -20℃~50℃ | |
Relative humidity | 0-95% No condensation | |
Size | 280mm×210mm×58mm(L×W×H) | |
Weight | 2kg |