Features:

1.Special optical design structure is adopted to realize oblique luminance on both sides.
2.Detect movement direction scratch defect.
 

Applications:

1.Surface defects of transparent plastics.
2.PET film scratch detection.
3.Foil embossing detection.
4.Detection of smudges and scratches on glass screen.

Illumination property diagram

                        Realize oblique luminance on both sides  

Light path difference 



Charts of different illumination distances                                                                         Illuminance distribution

Bdistance is the WD parameter that the light can be used.e.g. LTS-2LIND220, luminance distance is 345mm, that mean max. WD of the light is 345mm.

Effect comparison



Imaging instance: Surface scratch detection of mobile phone