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首页 > News > Can EL testing be done during the day? Shanghai LAILX LXZ230 eliminates time constraints for detecting hidden cracks in photovoltaic modules

Can EL testing be done during the day? Shanghai LAILX LXZ230 eliminates time constraints for detecting hidden cracks in photovoltaic modules

浏览数:9 发布于:2026-11-03

It is difficult to detect with the naked eye whether there are hidden cracks, broken grids, black chips, and other issues inside photovoltaic modules. Traditional EL detection usually needs to be carried out at night or in low light environments, which are more limited by lighting conditions and difficult to organize on-site. The LAILX daytime EL detector LXZ230 in Shanghai breaks this limitation, allowing internal defect detection of components to be carried out on-site during the daytime, providing a more flexible option for quality inspection of photovoltaic power plants. Photovoltaic power station testing equipment

LXZ230 is designed for detecting internal defects such as hidden cracks, broken gates, virtual soldering, and black chips in components. It is suitable for scenarios such as power plant acceptance, operation and maintenance troubleshooting, fault analysis, and quality inspection. The significance of daytime EL detection lies in reducing nighttime work arrangements, lowering on-site waiting time, and improving the efficiency of detection organization. For distributed rooftop, mountain power stations, surface power stations, and large ground power stations, a more flexible detection window means that project progress can be smoother.

In actual testing, internal defects in components often do not immediately manifest as obvious visual abnormalities, but may affect long-term power generation performance and reliability. LXZ230 uses EL detection to help inspectors observe the internal status of components and identify potential issues. For newly-built power stations, it can be used for component quality inspection, reducing the risk of hidden components entering the operation phase; For existing power stations, it can help locate abnormal components in power generation and prevent the problem from escalating; For the operations team, it can also improve defect identification efficiency and make inspection results more intuitive.

The design of Shanghai LAILX LXZ230 focuses on on-site applicability. The daytime EL detection requires high equipment resistance to environmental light interference. The LXZ230 has been optimized for portability and on-site operation experience, making it suitable for detection personnel to use in complex on-site environments. Whether it is rooftop photovoltaics, commercial power plants, or outdoor scenes such as deserts and mountains, the equipment can enter different areas with the testing personnel, reducing the testing difficulties caused by site limitations.

Compared to traditional nighttime EL testing, daytime EL testing can reduce personnel's nighttime work pressure and is easier to synchronize with on-site operations, acceptance, sampling, and other work. For project management, a more flexible schedule for testing can help shorten the on-site period; For the testing team, daytime work is also more convenient for communication, recording, and result confirmation.


With the increasing demand for power generation reliability and component quality in photovoltaic power plants, internal defect detection is becoming an important part of operation, maintenance, and acceptance. The value of LXZ230 lies in bringing EL detection, which was originally limited by time, to the daytime scene, making it easier to detect the "hidden dangers" of components. The LAILX LXZ230 daytime EL detector in Shanghai provides a more practical solution for quality inspection of photovoltaic modules, characterized by daytime inspection, portability, flexibility, and on-site efficiency.

Photovoltaic power station testing equipment, solar module hidden crack tester, photovoltaic hidden crack detection instrument

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