Multifunctional Portable Power Quality Analyzer ISO9001 Intelligent

Portable Power Quality Analyzer

Model: PQA-400
Portable Power Quality Analyzer PQA-400 is a three-phase, multi-functional, intelligent, simple man-machine operation comprehensive test instrument. It has easy to use, large LCD color display, high resolution, Bilingual Interface in Chinese and English, box structure shell and so on features. It can simultaneously measure the 4-channel current (ABC three phase and neutral wire cur-rent), 4-channel voltage (ABC three-phase voltage and neutral line voltage to ground), the peak value of current voltage, maximum/minimum value over a period, three-phase imbalance factor, short-time voltage flicker, transformer K factor, active power, reactive power, apparent power, power factor and displacement power factor, active power, reactive power, apparent power, total harmonic distortion and harmonic etc.; display real-time waveform, harmonic ratio bar charts of current voltage; dynamically capture instantaneous change of voltage current, monitoring starting current, monitoring the power parameters and generate the alarm list, generate the trend chart for a long time record test data.
Portable Power Quality Analyzer PQA-400 adopts DSP+ARM dual-processor architecture, DSP is responsible for data acquisition and algorithm processing, ARM is responsible for communication protocol and man-machine interface processing. Analog signal acquisition uses two 4-channel synchronous sampling with 16-bit resolution of ADI Company to achieve the highest sampling rate of 1MSPS, which ensures the accuracy and information integrity of the channel, ensures not to pass any transient change in the power grid, and makes the detection of transient waveform, sudden rise and fall, and instantaneous interruption more accurate. The built-in flash memory can simultaneously store 60 sets of screen shots, 150 sets of transient voltage/current capture waveforms, 12800 sets of alarm logs, and the start current detection mode can continuously capture 100s of the start current waveform. The built-in 2G memory card is used to store long-term trend curve records and record 20 power parameters at the same time (optional). It can collect and record trend curve records for up to 300 days once in 5s.

Technical Data

In the current electric power application, due to more and more large electrical equipment, more and more complex power grid system caused by the fault is more and more complex, more and more difficult to troubleshoot, and because of the development of various industries to the power quality of the power grid put forward higher and higher requirements.
Portable Power Quality Analyzer PQA-400 is a measuring and analyzing instrument that can eliminate complex power system faults more quickly and accurately, and monitor and maintain power quality parameters more comprehensively and systematically.

HAOMAI ELECTRIC TEST EQUIPMENT CO.,LTD, as a subsidiary of HAOMAI ELECTRIC POWER AUTOMATION CO.,LTD, located in Shenzhen of China, mainly focuses on the sales and services of Protection Relay Test Set, Instrument Transformer Test Set, CT/PT Analyzer, Power Transformer Test Set, Circuit Breaker Testing Equipment, Battery Testing Equipment, IEC 61850 Testing Equipment for Smart Substation, Partial Discharge Detector, Transformer Oil Dissolved Gas Analysis and Moisture Monitor etc. electrical test equipment and online monitoring equipment.

The headquarters, HAOMAI ELECTRIC POWER AUTOMATION is established in 1999 and located in Wuhan of China, which is specialized in developing and manufacturing electrical test equipment and online monitoring equipment. HAOMAI products are widely used in power grid, petrochemical, metallurgy, railway, coal mine, research institutes and all kinds of large-scale factories or enterprises.

HAOMAI follows total quality criteria, and always maintains standardized process and procedures for continuous growth. HAOMAI has been certified by ISO 9001:2015, ISO 14001:2015 and ISO 45001:2018. All of HAOMAI products passed Type Test or Calibration in the third party laboratory accredited under ISO/IEC 17025.

HAOMAI builds own RELAYSTAR laboratory and performance test laboratory, and possesses professional production equipment and testing instruments in factory, such as Agilent 34401A 6 1/2 High-precision Meter, FLUKE Multi-meter, EMH Standard Meter, CLOU Standard Power Source, Oscilloscope, Phase Meter, Insulation Test System, High Voltage Dividers, AC High Voltage Generator, Time Calibration Tester, Standard Micro-resistance etc.

HAOMAI is China well-known mark recognized and approved by State Administration for Industry & Commerce of People's Republic of China, and enjoys high reputation in domestic and foreign markets.

HAOMAI now is the key supplier for SGCC(State Grid Corporation of China) and CSG(China Southern Power Grid). Till 2021 HAOMAI products have been sold to 39 different countries.

HAOMAI always sticks to the faith of "cooperation and sharing", takes the "technology and market" as the direction, "creation and innovation" as the soul, listens to clients carefully, and improves the technology, upgrades the products, optimizes the service and tries all to be the global leader in electrical test and measurement instruments field.