Power quality tester

1.Product introduction of power quality tester

Power quality tester is also known as handheld power quality analyzer and power power tester. Power quality tester is a portable product that monitors and analyzes the quality of power grid operation. It can provide harmonic analysis and power quality analysis in power operation. Handheld power quality tester, it can record and analyze all power quality parameters such as harmonics, voltage, current, frequency, fluctuation, flicker, power and three-phase imbalance on site. It also has power transient monitoring, wave recording analysis, Advanced measurement functions such as energy efficiency loss assessment and inverter measurement. The measurement results are provided with free host computer analysis software for secondary analysis, providing accurate data basis for power grid power quality management.

2. Core technical indicators of power quality tester

Flicker accuracy: ±5%

Voltage accuracy: 0.1%

Frequency: 50Hz/60Hz

Measurement cycle: 10/12 cycles

Frequency width: 42.5-69Hz

Voltage imbalance: ±0.2%

Current imbalance: ±0.5%

Maximum sampling frequency: 200kHz

Current accuracy: 0.1%+CT accuracy

Power factor accuracy: 0.5%+CT accuracy

Voltage test range: 0-1000V, instantaneous 6000V

Data storage: 8G

Working time: ≥5h

IP rating: IP53

Support manual/automatic wave recording

Recording time: 10s-10min

Recording period: 10/12 periods

Minimum recording time interval: 0.2s

USB transfer speed: ≥17M/S

Harmonic measurement: 50th/50Hz-2500Hz

Recording sampling points: 128/256/512 points/period

Safety level: 600V CAT IV/1000V CAT III

Chinese and English interface settings

Support multiple transformer brands

Inverter measurement: single phase/three phase

Energy Loss Analysis: Monetary Statistics

Free professional PC analysis software

Transient monitoring: capture the shortest 50us waveform

Comply with IEC61000-4-7 harmonic measurement standard

Comply with IEEE 1459, DIN 40110 algorithm

Comply with IEC61000-4-15 flicker measurement standard

Interharmonic measurement: 50th/25Hz-2475Hz

Higher harmonics: 35th/2100Hz-8900Hz

3. Advanced measurement functions of power quality tester

1. Wave recording analysis

Supports 1-10min wave recording function, supports custom sampling points to record original waveforms, and PC professional host computer analysis software to secondary analyze waveforms to more effectively analyze the causes of power grid failures.

2. Parameter statistics

Comprehensive recording and data analysis of power quality parameters. The minimum recording interval is 0.2s, and the recorded data can be used for secondary analysis by the host computer software, and customized or national standard reports can be generated.

3. Transient monitoring

200kHz high-speed fixed-frequency sampling can capture the shortest 50us waveform instantaneous pulse, capture rapidly changing waveform data, and supports lossless recording of transient events.

4.Energy efficiency loss assessment

It supports power decomposition, detailed statistics of power loss caused by various types of parameters, supports pollution assessment, and intuitively displays the economic losses caused by energy loss in the form of currency.

5.Inverter measurement

It can perform electrical parameter analysis on single-phase/three-phase inverters, and analyze and record parameters such as DC input, AC output, and conversion efficiency of the inverter.

6.Oscilloscope

Displays 4-channel voltage and current waveforms, supports horizontal and vertical scaling, intuitively displays waveform distortion, and understands the impact of high-order harmonics on signals.

4. Features of power quality tester

1.Multi-regional standards

50Hz/60Hz power grid power frequency system measurement, Chinese and English language settings, customized multi-national phase sequence color standards and calculation methods to meet different user needs.

High precision, wide frequency band, wide range

The measurement accuracy complies with IEC 61000-4-30 Class A standard, IEC61000-4-7 harmonic measurement, and IEC61000-4-15 flicker measurement. The maximum instantaneous voltage can be measured up to 6000V, and the maximum frequency of high-order harmonics can reach 9kHz.

2.Setup Wizard

Guide users to set parameters to meet basic measurement settings and solve the confusion of new users not knowing how to set parameters. Visual guidance is simple and convenient.

3. Wiring verification

The original wiring verification function guides users to connect correctly, prevents invalid records caused by wiring errors, and provides effective prompts for wiring errors.

4.Compatibility design

Supports multiple brands of current transformers in the industry.

5.IP53 level structure

It has 1.5m anti-fall protection capability and a protection level of up to IP53.

6. Data analysis software PQViewer

Power quality data analysis software (PQViewer) is a data analysis software supporting the power quality analyzer.

PQViewer can read the power quality data files collected and recorded by the analyzer, provide data analysis functions and data statistics functions, and can export measurement data and export reports that comply with international standards, helping to quickly and accurately locate power quality problems. Data analysis function

Statistical data analysis displays the statistical results of voltage, current, power, frequency, harmonics and other data in the form of trend graphs, and all power data status changes are at a glance;

Harmonic analysis displays the statistical results of harmonic data with histograms and trend charts, from detailed harmonic data to macroscopic results, all under control;

Event data analysis (transient events and steady-state alarm events), reports the time, type and detailed data of the event, and can perform single-channel analysis and multi-channel comparative analysis of the power quality status at the time of the event;

Reports that comply with national standards can be generated through simple operations

7. Data export and reporting

Export report content, which can quickly output Excel format reports, trend charts, harmonic spectrum histograms and ITIC curves, which are widely used in secondary analysis of measurement data and are more efficient; Word format reports are also provided, and table data and pictures can be viewed at the same time. Rich content, save time.

Export the original data and export the recorded original data as a csv file, which facilitates secondary data processing and analysis, and the results are accurate; the operation is simple and the export can be completed in two steps.

5. General parameters of power quality tester

6. Measurement parameters of power quality tester