Handheld Three Phase Power Quality Analyzer

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Product Overview


power quality analyzer

Product Description

Handheld Three Phase Power Quality Analyzer

Focus on power safety for 15 years.



Technical Parameters


I. Technical Parameters

Product name

Power Quality Analyzer

Measuring range

45 to 55Hz, center frequency 50Hz

Measuring condition

The fundamental component of the signal is not less than 80% F.S.



Input voltage range


Input current range

5A, or customizable

Fundamental voltage

and current amplitude

Fundamental voltage allowable error0.5%F.S.

Fundamental current allowable error1%F.S.

Phase difference accuracy


Harmonic voltage content rate accuracy


Harmonic current content rate accuracy


Three-phase voltage unbalance accuracy


Voltage deviation accuracy


Voltage variation accuracy


Power accuracy


Flicker accuracy


Operating time

5 hours





II. Features

1. The instrument is safe, reliable and convenient to use, and greatly improves the anti-interference ability.

2. The instrument has a portable structure, small size, light weight, and one person can carry the instrument to the field for testing; built-in high-performance lithium battery without external power supply.


3. The instrument meets the requirements of Class A instrument. For harmonics, three-phase unbalance, flicker, and fluctuations, reference algorithms are used, without approximate calculations, high-precision A/D (16 bits), simultaneous sampling, and a sampling rate of 12.8 kHz.

4. The instrument adopts DSP+ARM+CPLD core with fast processing speed.

5. The instrument provides a USB interface, which is convenient for communicating and transferring data with a laptop computer.

6. Test parameters: system frequency, power grid harmonics, three-phase voltage unbalance, voltage fluctuation and flicker, voltage deviation, voltage fundamental effective value and true effective value, current fundamental effective value and true effective value, fundamental wave Active power, active power, fundamental apparent power, 2 to 64 harmonics, true power factor.

7. The instrument has a built-in 32MB memory.





Company Profile

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power quality analyzer

Filed Test & Service

power quality analyzer

Packaging & Shipping

power quality analyzerpower quality analyzer


power quality analyzer

Are you a factory or trading company ?

We do both. We have 7 production lines and also have a sales team.

Can I make a OEM order?

Sure thing, we accept OEM orders, MOQ is just 1. Congratulations on becoming a local best selling agent.

How does your factory do regarding quality control ?

"Quality is priority." Our team always attach great importance to quality controlling from the very beginning to the very end.

Do you send installation team to job site?

We have installation guide to help you to get a easy installation. And we can send our installation team to job site if it is necessary.

How can I trust you?

We can provide you with all the certificates you need. And welcome to Baoding factory inspection, or video connection at any time, We take you to experience Weisheng in all aspects.

How is your company's technology?

Take the megohmmeter for example, the voltage level is above 5kV, and the short-circuit current can still reach 5mA. We are the ONLY MANUFACTURER that can produce such an instrument in China.

What about your packages?

We have been exporting lots of products to overseas, no any clients make any complains on our packages. Please contact us and we will send photos to show you the details of our secure packages.

Thanks for being interested in our products and services.

Feel free to contact us if you need any assistance, please.




power quality analyzer

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