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EL Defect Tester of solar panl production



EL defect tester is used to identify layup errors, bad welding, pollution, micro-cracks, mixed cells and other invisible defects in solar modules.
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EL Defect Tester of solar panl production

Technical Parameter



Capture Mode:

Single Camera

Run Mode


Monitor Point

After Laminating

Sample Stage

Super-white Tempered Glass

Sample Size


Operation Height


Exposure Time

1 ~ 60s




1.Interface for barcode scanning, naming files with barcode names;
2.Defect classification, create image folder and save image files automatically.

Detection Ability

crack, black spot, mixed wafers, process defect, cold solder joint.


Testing host, computer, software

Detail picture

El Defect Detector Tester

About US

Ooitech, One-stop Solution For Solar Panel Production.

Has The Following Required Machinery And Accessories

solar panel production

Ooitech “Turnkey Solution” Includes: Factory Construction, Facility Layout, Raw Materials BOM guidance, Production Procedure assitance, Solar Power Station installation technical support Etc.

Ooitech focus on:

Supply 10MW-250MW Solar Module Manufacturing Equipment

Update the traditional PV line to newest MBB solar panel production line.

Main machinery

Solar Cell Tabber Stringer Machine

Automatic Solder Bussing Machine

Automatic Laminator

High Speed Automatic Layup Station

Automatic Framing Machine

Electroluminescence Test

Solar Simulator Or IV Tester

Solar Cell Laser Cutting Machine

New Solar Cell cutting machine

Do you Love our Projects & Want to Become A Partner of Us? Purchase Now

Get September 2023 Production and Raw Material Price

Our Location

Building 1, Zixin Industrial Park, Yangguang Ave,Jiangxia Economic Development Zone, Wuhan of China

Call us on

(+86) 185-7164-5990 (click to talk)
(Phone & Wechat)

Send message


Working Hours

Mon-Fri: 8.30AM-5.30PM (UTC+8)

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