UV light is divided into four distinct spectral areas-Vacuum UV
(100 to 200 nanometers), UV-C (200 to 280 nanometers), UV-B (280 to
315 nanometers), and UV-A (315 to 400 nanometers). The UV-C
spectrum (200 to 280 nanometers) is the most lethal range of
wavelengths for microorganisms. This range, with 254 nanometers
being the peak germicidal wavelength, is known as the Germicidal
Spectrum.
How UVC affects microorganism DNA:
Warning
Don\'t look at the UV lamp directly when the UV lamp is igniting.
Don\'t irradiate the skin with UV-lamp. Hold a piece of ordinary
glass before your eyes when you need to look at the UV-lamp. Please
keep the surface of the tube clean to prevent the dust or the dirt
from affecting the ultraviolet ray\'s output. Please don\'t touch
the quartz glass with bare hands while installing the lamp and
using it. The quartz glass can be cleaned by using alcohol
tampon.