EL Tester - Electroluminescence Method Applications:Test and inspect the micro-crack, breakage, fragment of the cells and pseudo-soldering of the Large Solar Panel modules.Check and find the mismatch of the cells or strings with different power rating El Tester for small Modules : Detecting Module Size Max : 800mmx500mmEl Tester for Large Modules : Detecting Module Size : Max : 2000mmx1200mm Contact For any inquiries please email info@ipgi.co.in