2. Technical Specifications

Camera Model: YH-BXEL
Effective Pixels: 24 million
Resolution: 60004000
Exposure Time: 1–60s
Vignetting Compensation: Yes
Data Transfer: USB 2.0
Distortion Correction: Yes
Sensor Size: 23.515.6 mm
ISO Sensitivity: 100–25600
Processor: EXPEED 4
Physical Resolution (10002000 module): 0.33mm/pixel
Spatial Resolution (10002000 module): Middle/Edge

This Portable EL Tester configuration is ideal for high-precision EL testing, and the use of high resolution cameras ensures every image captured during the inspection process in the Solar Panel Production Line is clear and reliable.

3. Software Features

The software has the following functions to enhance EL testing efficiency:

• Set exposure time and gain.

• Contrast stretching.

• Image cropping.

With support for high resolution cameras, it improves the accuracy of EL data, especially in complex module setups on the Solar Panel Production Line.

4. Actual Photos

Portable EL Tester, no need for manual focus, space-saving, and easy to use:

• Can be connected to a computer via USB cable.

• Can be connected to a computer via WIFI.

• Can be used on a tablet or smartphone.

This Portable EL Tester setup offers great convenience for technicians during EL testing operations on a Solar Panel Production Line. By utilizing high resolution cameras, it reduces detection errors and enhances image clarity.

Our Services:



About Us:

Yoha Solar is a high-tech enterprise dedicated to the research, development, manufacturing, sales, and after-sales service of serial photoelectric automation equipment.
15+ Years Engaged In Solar
300+ Customers Worldwide


Our company primarily serves the solar photovoltaic industry and holds its own import and export rights. We have developed a range of independent R&D equipment.

Main Machinery:

Fiber Laser Cutting Machine
Solar cell sorting Machine
Solar Cell IV tester
EL defect tester
EL and AOI Appearance Tester
Solar Panel Production Line
Other Auxiliary Machines

Wuhan Yoha Solar Technology Co., Ltd., located in the Wuhan East Lake High-Tech Development Zone (Optics Valley of China, Wuhan), is a high-tech enterprise dedicated to the research, development, manufacturing, sales, and after-sales service of serial photoelectric automation equipment.

15+ Years Engaged In Solar
300+ Customers Worldwide`

Our company primarily serves the solar photovoltaic industry and holds its own import and export rights. We have developed a range of independent R&D equipment, including Fiber Laser Cutting Machine, Solar cell sorting instrument, solar power tester photovoltaic IV tester, and EL Electroluminescent tester defect tester, which are exported to various countries and regions.

Established for over a decade, our company has earned unanimous praise from industry peers for its professional expertise and dedicated attitude. Our products, known for their excellent mechanical performance and cost-effectiveness, have also gained widely recognition from our customers.

Our company has a team of senior engineers with years of experience in the photovoltaic industry, providing strong technical capabilities. They can offer scientific guidance and robust technical support for the configuration, production, and planning of module encapsulation production lines.

We adhere to the business philosophy of "innovation in technology, products, and services," guided by the corporate spirit of "unity, striving, pragmatism, and innovation." We are committed to providing comprehensive solutions and excellent service to meet customer needs and work together for a better future.