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UVC LED light source assembly

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Short wave UVC

The wavelength ranges from 100 to 280 nanometers, also known as short wave sterilized ultraviolet radiation. Its penetration ability is the weakest, and the shortwave ultraviolet rays contained in sunlight are almost completely absorbed by the ozone layer before reaching the ground.

UVC-LED sterilization efficiency

Bacteria

Name

Time required for 100% killing

Name

Time required for 100% killing

E. coli

corynebacterium diphtheria

Tetanus bacillus

bacillus anthracis

Shigella

0.36s

0.25s

0.33s

0.30s

0.15s

Botulinum toxin

Leptospira

Legionella pneumophila

micrococcus

Mycobacterium tuberculosis

0.80s

0.20s

0.20s

0.40s

0.41s

cholera bacillus

Pseudomonas

Salmonella

Enterococcus

0.64s

0.37s

0.51s

0.41s

Salmonella Typhimurium

shigella

staphylococcus

Streptococcus

0.53s

0.28s

1.23s

0.45s

UVC-LED sterilization efficiency

viruses

mold spore

Name

Time required for 100% killing

Name

Time required for 100% killing

Adenovirus

Phagocytic cell virus 

Coxsackie virus

Eko virus

influenza virus

0.10s

0.20s

0.80s

0.75s

0.23s

Aspergillus niger

Aspergillus genus

Dung fungi 

Mucor genus

Soft spore

6.67s

8.80s

8.00s

4.67s

0.33s

Poliovirus

Rotavirus

Tobacco mosaic virus

Hepatitis B virus

0.80s

0.52s

0.16s

0.73s

Penicillium genus

Penicillium toxin producing

Penicillium and other fungi


2.93s

3.33s

0.87s

UVC-LED sterilization efficiency

Algae

Name

Time required for 100% killing

blue green alga

chlorella

Nematode egg

40.00s

0.93s

3.40s

Paramecium genus

Genus of Protozoa

Green algae

7.30s

6.70s

1.22s

Precautions for using UVC:

The use of UVC should be kept away from eyes and skin

Although some studies have shown that only the 280nm wavelength band in UVC cannot penetrate the skin stratum corneum (commonly known as dead skin) and will not cause damage to the human body.

But prolonged exposure may cause skin cancer. Illuminating the eyes can damage the cornea and cause cataracts.


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