N° 163
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Aftastning af UV – fluorescerende gul belægning på en gummipakning En gummipakning er normal belagt med et fluorescerende lag. Dette lag er fluorescerende i blåt hvis der anvendes UV–lys. Ud over denne blå fluorescerende belægning, anvendes en gul fluorescerende belægning for markering af defekte steder på gummipakningen. Opgaven er nu at aftaste den gule fluorescerende farve på den blå baggrund.
Presence control of a UV fluorescent yellow coating on a rubber seal
A rubber seal is normally coated with a fluorescent layer. This layer is fluorescent in blue if UV light is used. Additionally to this blue fluorescent coating a yellow fluorescent coating is used for marking defect areas on the rubber seal. The task is now to detect the UV fluorescent yellow coating on a rubber seal, which is primary UV blue coated.
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