MBJ Mobile EL

The MBJ Mobile EL is a lightweight, easy-to-use system for high-resolution in-situ electroluminescence module inspection of loose or already installed solar modules. With the MBJ Mobile EL, hidden defects - such as micro-cracks and inactive areas - can be quickly and reliably identified on site. Dismantling the modules for EL testing is no longer necessary! With the help of the intuitive software, evaluation and reporting is easy to perform.  

EL imaging of solar modules in installed condition is done at night. For loose modules, a room darkened against sunlight is sufficient to use the system also during the day, for example for incoming goods inspection.

MBJ Solutions Mobile EL System
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General Produkt Information

Storage box of the MBJ Mobile EL systems

 

 

 

The mobile inspection system consists of the measurement head with EL camera, the electronic box with module connection and power supply and of the laptop, which functions as control center and data storage. The laptop comes with the proven MBJ software, which fully controls the EL measurement, manages the captured images and provides tools for manual module judgment and reporting. The measurement head with the integrated electroluminescence camera head allows a simple and save operation. Due to the fixed distance to the module under test an always good EL images is guaranteed.

Technical Details

  • Max. module size (W x L) 1200 x 3000 mm
  • Foldable measuring head made of lightweight aluminum
  • Can be used on framed/ frameless glass-glass or glass-foil modules, mono-crystalline or multi-crystalline aswell as PERC types and thin film modules
  • Module based stitching of single images (automated by software)
  • Powerful notebook with evaluation SW and results database
  • User interface facilitates manual judment of the module under test
  • Automatic generation of test reports in PDF format

Electroluminescence System

  • CMOS camera, with 5 Megapixel
  • 600 µm/pixel resolution, equivalent to 10 MPixel for the full panel
  • Power supply unit with up to 250 V, and up to 12 A to the module
  • Image acquisition time ~10 sec for a full panel image
  • Panel is scanned by manual camera head movement on up to three positions
  • Voltage and current controlled by software
  • Operation mode manual image acquisition, manual judgment through operator
     

Software for judgment and reporting

The intuitive software supports the operators decision based on the MBJ judgement criteria and compiles the result into a detailled report which is automatically generated into a PDF document.

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