EL Tester For Solar Panel
Solar Panel EL And Visual Tester
EL Tester For Solar Panel: Automatic detection of cracks and defects in photovoltaic modules.
What is the EL test for solar panels?
Electroluminescence or EL testing is like shining a flashlight to see if the panels are working properly. Similar to a flashlight, solar panels emit light when electricity flows through them. This light is usually invisible to the naked eye but can be detected with special cameras.
Working Principle of EL Tester For Solar Panel
The EL Tester for solar panel operates based on the electroluminescence phenomenon. When a reverse voltage is applied to a solar panel, the PN junctions within the cells emit infrared light. This light is captured by a high-sensitivity camera in a dark environment, and the resulting images are processed to identify defects. The intensity of the emitted light is proportional to the local voltage, so poorly contacted or inactive regions appear as dark areas in the images.
Visual Testers Feature：
High-Resolution Imaging: Solar panel visual testers often possess high-res cameras that take in-depth images of solar panels. This capability enables accurate identification that defects.
Magnification Ability: Some visual testers have the capability to magnify specific visual components to allow the inspector to see small defects. This ability is vital to identify issues with the naked eye.
User-Friendly UI: Newer visual testers have intuitive UIs for easy navigation and efficient inspection by operators.
Data Storage and Reports: Numerous devices feature data storage integrated and empower users to save inspection outcomes and generate reports. This documentation is needed for quality assurance and compliance purposes.
Portability: Based on light weight design visual testers are portable, meaning that inspectors can do a site inspection at different places.
An EL tester for solar panel，also kown as electroluminescence solar module tester, is a device used to evaluate the electrical performance of solar cells and panels by applying a voltage and measuring the emitted light. This technique is especially useful for locating faults like micro-cracks, shunts, etc, that cannot be detected visually.
EL Testers for solar panel Features：
High Sensitivity: EL testers are able to identify the smallest defects in a solar cell, ensuring a thorough evaluation of their electrical performance.
Visibility and Real-Time Imaging: A good number of el tester for solar panel come with real-time imaging functions that enable operators to see the emitted light from solar cells and instantly spot potential issues.
Automated Testing: Many advanced EL testers for solar panel come with automated testing processes that reduce inspection time and help increase overall efficiency.
Data Analysis Tools: Most el tester for solar panel provide software for comprehensive analysis of the test results, giving organisations the ability to review and leverage test data properly.
Portable & Lightweight: Most EL testers are compact and light in design that it can be used both in the factory and on-site testing.
Quality Assurance: EL Testing detects hidden defects such as microcracks, poor soldering, and contamination that are not visible to the naked eye. This ensures that only high-quality panels are shipped to customers.
Efficiency Optimization: By identifying and addressing defects early in the production process, manufacturers can improve overall efficiency and reduce waste.
Warranty Validation: EL images can be used to validate warranty claims by identifying the root cause of any issues.
Research and Development: EL Testing is essential for evaluating new solar cell technologies and improving manufacturing processes.
Visual Testers and EL Tester For Solar Panel Applications
Visual testers and EL testers are commonly used at different stages of solar panel production and installation:
Manufacturing Quality Control: These testers are used in the manufacturing process to verify solar panels are up to standard before being sent to customers.
Incoming Material Testing: Visual and EL test can be used to check incoming solar cells and materials to see whether only good materials go into production.
Field Inspections: Once solar panels are installed, these testers can be used to check for defects that may have developed during transportation or installation.
Warranty and Compliance Checks: Regular testing may be included in warranty requirements, providing manufacturers and installers with proof of compliance with industry standards.
Well New & Specific Material & Configurations Test: These el tester for solar panel can also be used to assess new materials and designs in research and development settings, providing valuable insights into their performance and reliability.
Cycle time | ≤20s |
Panel Size | (1650-2500)mm * (990- 1400)mm |
Camera pixels | EL: 4 million / 5million |
Identifiable defect types | EL: Hidden cracks, virtual soldering, black hearts, mixed gear, etc |
Q: What terms of payment?A: We accept PayPal, T/T(Bank Transfer). T/T 30% in advance, 70% balance before shipment.
Q: What is the delivery time?A: 30-45 working days after receipt of payment.
Q: How long does the installation and debugging cycle usually take?A: Generally, it takes 45-60 working days.
Q: What about the package?A: All the sheets will be packed by wrapping film and rain cloth, Wooden box packaging requires additional charges.
FAQ：
What is an EL Tester?
An EL Tester, or Electrical Leakage Tester, is a device used to detect internal defects in solar panels and photovoltaic modules.
I. Function
el tester for solar panel is mainly used to detect electrical leakage in electrical appliances or circuits. By applying a certain voltage and measuring the resulting current, it can determine if there is an abnormal leakage path.
II. Importance
In safety terms, it helps prevent electric shocks to users. For manufacturers, it is essential for ensuring product quality and compliance with safety standards. Regular use of an EL Tester can identify potential problems early, reducing the risk of electrical fires or other hazards associated with electrical leakage in both industrial and domestic settings.
We, Shuofeng, have more than 10 years of experience in the el tester for solar panel industry, Professional for solar industry application equipment research, development, production, and selling.Shuofeng, is located in channgzhou, jiangsu city of China ,a city with new energy capital. Shuofeng, is a professional solar panel production line and industrial laser processing system, provider.
Shuofeng, is a technology and consulting services provider. And we have more than 10 official distributors both in China and abroad. Our main products are solar panel making machines,el tester for solar panel, and used solar panel marking machines. The el tester for solar panel products are exported to the Middle East, India, South Korea, Thailand, Malaysia, South america and other areas...
We will help our customers start a new solar panel plant, and provide a semi and full automatic solar panel production line. And help the customer update the manual production line to full automatic conveyor production line.
We provide 5MW-1GW solar panel production line turnkey solutions, including full automatic tabber stringer, layup, laminator, conveyor, etc.Cooperate with Shuofeng and build a beautiful future! We raise you up, to more than you can be!
2015
Established
10000㎡
Only factory
3000+
Monthly capacity
30.9GW
Data exported to foreign countries
Business advantage
Extensive Experience
With over 10 years of experience in the el tester for solar panel industry, Shuofeng has built a strong foundation of knowledge and expertise.
Comprehensive Solutions
Shuofeng offers turnkey solutions for solar panel production lines, ranging from 5MW to 1GW capacity.
Global Reach
Shuofeng has a wide reach with more than 10 official distributors both in China and abroad.
Technological Expertise
By offering industrial laser processing systems and other cutting-edge technologies, they can assist customers in improving their production efficiency and staying competitive in the market.
We Have More Than 1,000 Cooperative Customer
