GXF-908Multifunctional power harmonic analyzerIt is a powerful power quality analysis system composed of a laptop microcomputer, a high-precision sampling system, and rich software. Analyzable: harmonics (2-63 times), three-phase imbalance (negative sequence, positive sequence, zero sequence), voltage fluctuations and flickers, system frequency, voltage deviation, power, power factor, etc; Various tests, statistical reports, trend charts, waveform charts, spectrum charts, vector charts; Small size and light weight; 8-inch color LCD screen display, full Chinese interface, user-friendly design - easy to operate and use.

---------★Instrument characteristics★-----------

◆ Full Chinese interface, user-friendly design - easy to operate and use
◆ Adopting high-resolution 8-inch large screen TFT color LCD display
◆ It can accurately measure various electrical parameters such as voltage, current, active power, reactive power, phase angle, power factor, frequency, etc
◆ It can display vector diagrams of the measured voltage and current, and users can analyze the vector diagrams to determine whether the equipment wiring is correct or not
◆ High speed sampling, capable of achieving 256 points/cycle sampling

◆ Can simultaneously display the waveform of three-phase voltage and current signals
◆ Built in large capacity memory, which can set different storage intervals and continuously store data according to the set time intervals
Small volume (323 × two hundred and seventy-five × 135mm), lightweight (2.5Kg).
---------★major function★-----------
◆Basic monitoring indicators: grid frequency, three-phase fundamental voltage, effective value of current, fundamental active power, reactive power, power factor, phase, etc;

Voltage deviation, frequency deviation, three-phase voltage imbalance, three-phase current imbalance, negative sequence voltage, current; Harmonics (2-63 times): including the total harmonic distortion rate of voltage and current, the content, amplitude, and phase of each harmonic.

◆Advanced monitoring indicators: inter harmonic, voltage fluctuation, flicker.

◆Display function: The device panel is equipped with a large screen color LCD display for real-time displayPower quality monitoringData of indicators.

◆Setting function: It is possible to set, modify, and view the basic parameters and limit exceeding parameters of the device.

◆Record storage function: The device is equipped with a built-in solid-state drive, which can save basic and advanced monitoring indicators in real-time. Real time data can be saved on the device for up to 20 days.

◆Communication function: The device provides multiple communication interface modes to achieve real-time transmission of monitoring data or timed extraction and storage of records

◆Network time synchronization function: The monitoring device has network time synchronization function. It can maintain consistency with the clock of the remote management center.

---------★Technical indicators★-----------
◆Harmonic analysis range: 2-63 times
◆Voltage measurement range: 10~420V
◆Current measurement range: 0.05~5A
◆Frequency measurement range: 47~55Hz
◆Grid frequency error: ≤ 0.01Hz
◆Voltage deviation error: ≤ 0.2%
◆Voltage variation error: ≤ 0.2%
◆Flicker error: ≤ 5%
◆Three-phase voltage imbalance error: ≤ 0.2%
◆Harmonic measurement error: meets the requirements of national standard A-level instruments
---------★Executive standards★----------
◆GB/T19862-2005General requirements for power quality monitoring equipment
◆GB/T14549-1993Power quality - Harmonics in public power grids
◆GB/T12325-2008Permissible deviation of power supply voltage for power quality
◆GB12326-2008Power quality - Voltage fluctuations and flickers
◆GB/T15543-2008Power quality - Permissible imbalance of three-phase voltage
◆GB/T15945-2008Power quality - Permissible deviation of power system frequency