UVC timeline

The story of UVC began nearly 150 years ago.

  • 1877: Scientists Downes and Blunt discover sunlight can disable microorganisms.
  • Early 1900s: UVC identified as the most effective part of the ultraviolet spectrum.
  • 1910s–1920s: UVC lamps developed for water treatment and air purification.
  • Today: Modern devices like Tru-D® combine proven science with advanced engineering, sensors, and safety systems.

What began as a scientific curiosity is now a cornerstone of innovative technology used worldwide.

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