UV tester

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The UV tester (UV = ultraviolet radiation ) is used to analyze photoluminescence .

Differentiation based on luminescence

Luminescences can be found on banknotes , postage stamps , as well as documents and ID cards (ID card, passport, driver's license). These are used for automation as well as protection against counterfeiting . A distinction is made between this type of luminescence using special UV testing devices

  • The fluorescence is excited with long-wave UVA light (~ 366 nm wavelength).
  • The phosphorescence is excited with short-wave UVC light (~ 254 nm wavelength), which glows after the excitation.


UV test lamp for postage stamps

A UV tester is used as a test device in philately to detect


  • Matthias van Heek: Review of monetary means of payment , Grin Verlag, 2010, ISBN 3640766563

Individual evidence

  1. http://www.gamesundbusiness.de/markt/produkte/details/inkiess-banksicherheit-pruefer-uv-22-3974/  ( page no longer available , search in web archivesInfo: The link was automatically marked as defective. Please check the link according to the instructions and then remove this notice.@1@ 2Template: Dead Link / www.gamesundbusiness.de