A Practical Guide to Understand a Solar PV Tester

Recent years,  the new power products are highly thought of in all markets, especially in Europe.

Almost all people like to use the PV solar system in their home,commerce, and public projects etc.

In order to use this solar power system more effectively, the solar panel tester is a necessary accessory for all users. So today,  let’s see how to get a wonderful tool for you.


1) What Is a Solar Panel Tester?

This is a measurement tester to check the solar panel output power, voltage, current etc. From these measurement data, we can diagnose the solar panel performance and decide if we should continue to use the system. With this step, we can avoid the huge destruction in further incorrect working in advance. In this article, you can learn the simple version tester, which is very easy to be used  for all people.


2) 3 Types Solar Panel Tester You Should Know


2.1. Digital Multimeter Tester:

Obviously, the digital multimeter and clamp meter is very universal in your home for electronic measurement. , so for urgent demands, you can use this device to replace the solar panel tester.  But it only can tell you the output voltage, current simply and you can see if it match es with your solar panel specification. The pity is that you can not read the output power directly, and some models may not be suitable for this replacement.

digital multimeter


This very universal design but first model in the market. Its handheld only works for solar panel testing. You can choose 2 models at 800W or 1600W based on your solar panel specification. Only this design have high power at max tester power 1600W, Max Input Voltage: 12~120V and Max Input Current: 0~35A. They are widely used for all solar panel installers.

solar panel multimeter ey800w


As a Solar panel distributor, this model will be first choice, it was approved by ETL, CE,ROHS certification. This new design with spacious screen, more easy to read all measuring data simultaneously; And automatic measurement capabilities, we can test the maximum power, peak power voltage, peak power current, open circuit voltage, and short circuit current.

solar panel meter not working

3) How To Use The Solar Panel Tester

  1. Ensure your solar PV system was connected correct and they are in normal working status, keep the tester close to the solar panel and in a good working environment with enough sunlight.
  2. Read the manual book carefully and connect the tester with the solar panel via MC4 cable correctly.
  3. Turn on the solar panel tester and start to collect the testing data as per user guide request.  After some time with enough testing data, analyze all data.
  4. Comparing with solar panel specification to evaluate solar panel performance if it meets your expectation.


4) What’s The Benefits To Use A Solar Panel Tester?

4.1. Test and check the solar panel performance:

This solar panel tester can help you to test the solar panel output power, output voltage, output current.  From these data, you can evaluate solar panel performance to find and avoid  the issue in advance.

4.2. Check and prevent issue may happen in your solar panel system: 

With a solar panel tester, you can schedule to check and troubleshoot any issues that may arise in the solar panel system. This proactive inspection can help you prevent potential problems and ensure efficient system operation.

4.3. Increase the solar panel system energy: 

With solar panel testing, you can optimize the positioning and configuration of solar panels to maximize energy production. From a long time, this can help you save a lot of money.

4.4. Specification verify: 

The solar panel meter can help you to verify if your pv panel has the same specification as the producer promised for you.

4.5. Reliable partner for professionl analyst: 

For the PV system experts, The use of solar panel testers is crucial for verifying the performance of solar devices, ensuring quality, and providing accurate data to customers and labs.


5.1. Smart and Automation:

With the AI technology coming, this tester will be upgraded into the smart and automation version,  so that they can collect, analyze and report the data more smartly and improve the testing affection and accuracy.

5.2. More function to test more contents:

The new version will have more functions like testing the solar panel working temperature, spectral response etc, so that the user has complete and accurate performance evaluations.

5.3. High accuracy on testing data:

With the continuous development of solar energy technology, the user will have more requirements on testing accuracy and efficiency for solar energy testing equipment, so we will improve the testing equipment becoming more precise, fast, and reliable.

5.4. New Feature to match new solar panel design: 

To meet the more new power demands,  the solar panel may also be upgraded better like new material , new specifications etc,  then the tester has to be upgraded to match these new technology solar panels.

5.5. App control and Monitor:

The i-cloudy technology was used widely for many tools,  so the solar panel tester may also be developed with this technology to upload , share and monitor the data between each equipment.

All in one words:  the solar energy testing developer will focus on intelligence, multi functionality, high precision, and adaptability to new energy technologies. So that the new energy technology can grow smoothly with these tools supported.



Scroll to Top