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Germicidal USB powered ultraviolet UVC disinfect LED Strip light With short Wave Length 254nm~275nm

$9.95

Overview

Brand Name: Bizgad Light
Voltage: 5V
Application: Home, Hotel, Office
Power Supply: USB DC
Portable: Yes
Light Source: LED
wavelength(nm): 254
Switch Mode: Manual Button
Product Name: UVC led light
Lighting Color: UV 254nm
Beam angle: 120deg
PCB Width: 10mm
LED Quantity: 3 pcs LEDs
Emitting colors: ultraviolet
Customized Germicidal USB powered ultraviolet UV disinfect waterproof  UVC LED Strip light With short Wave Length 254nm~275nm

 

Short-wave ultraviolet 200-275nm

Application: Sterilization, food preservation, air purification, water purification

THE UV SPECTRUM 

UV-A, UV-B, and UV-C are all part of the ultraviolet light spectrum. UV-A results in skin tanning and is used in medicine to treat certain skin disorders. UV-B has a very high penetrating ability and results in sunburn. Prolonged exposure is responsible for some types of skin disease, skin ageing and cataracts. UV-C has extremely low penetrating ability and is nearly completely absorbed by the outer, dead layer of skin where it does little harm.
APPLICATION:
UV-C light is very versatile and can be used for disinfecting water, destroying harmful micro-organisms in other liquids, on surfaces, on food products and in ‘air’.
Customized Germicidal USB powered ultraviolet UV disinfect waterproof  UVC LED Strip light With short Wave Length 254nm~275nm
Biological Effect of UV Light While UVB radiation is widely recognized for its harmful effects on human skin and links to skin cancer, each of the UV bands (UVA, UVB and UVC) create different risks for humans. UVC radiation refers to wavelengths shorter than 280 nm. These wavelengths are entirely absorbed by our atmosphere and no natural UVC radiation reaches the surface of the earth. These wavelengths are available to us through artificial sources, such as UVC LEDs or mercury lamps. The intensity from point sources like UVC LEDs falls off as 1 over distance squared, and once it gets past the scattering length, it falls off exponentially. This means that 1) the further away from the UVC source from a human, the lesser dose he is exposed to, and 2) the absorption length of UVC radiation in human skin is extremely short so that almost no UVC radiation can reach the living cells in the skin; all the absorption occurs in the dead cell layers.

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