UVC Technology

UVC rays are a part of natural sunlight and prevent microorganisms such as viruses, bacteria, yeasts and fungi from multiplying.

Especially in the wavelength range of 253.7 nm, UVC radiation destroys the molecular structure of the DNA and RNA of microorganisms, killing these cells and therefore achieving disinfection.

UVC disinfection is a reliable and environmentally friendly method and is therefore an alternative to the use of chemicals.

Microorganisms cannot develop resistance to UV rays.

  • Disinfection up to 99.9%
  • Sustainable and chemical-free UVC disinfection without residues
  • No development of resistance of germs
  • Dry disinfection process, no use of liquids or other substances
  • Service life of the UVC lamps approx. 9,000 hours
  • Low maintenance requirements
  • Low and calculable follow-up costs (only costs for lamp replacement and power consumption during operation)

Ultraviolet (UV) radiation is electromagnetic radiation emitted by the sun. Not visible to humans, it is divided into three types according to the wavelength range.


...with wavelengths from 400 to 315 nm: penetrates the earth's atmosphere almost completely, causes a short-term tan on the skin in summer in humans, penetrates into the deeper layers of the human skin and is mainly responsible for skin ageing (wrinkles, age spots, melanomas etc.)


...with wavelengths of 315 to 280 nm: can partially penetrate the earth's atmosphere and causes a long-term tan in the human epidermis, but is also the main cause of the typical sunburn.


...with wavelengths from 280 to 100 nm: is not found on the earth's surface, but is already filtered out in the upper layers of the earth's atmosphere. Special safety precautions must be taken during use, as intense UVC radiation leaves sunburn and irreparable damage to the retina and increases the risk of skin cancer.

UVC disinfection is not a new process and has been used for a long time to sterilize water, surfaces or air. UV radiation was discovered more than 100 years ago. Since 1910, drinking water has been disinfected with UVC radiation in water treatment. UVC radiation has been used to purify air since 1935. Especially the wavelength of 253.7 nm triggers a strong photochemical reaction in the cells of microorganisms and damages the molecular structure of DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) lastingly, damaging or killing the microorganisms.


The efficiency of UVC disinfection of surfaces or the ambient air depends essentially on two factors:

  • the UVC radiation power directed at a surface (which depends on the distance of the UVC lamp and the surface to be irradiated)
  • the duration of the surface irradiated with the light power


We have compiled further information in our "frequently asked questions" section.




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