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To find UV lamps for applications requiring ultraviolet light, select
a category below.
See a definition of ultraviolet light at the bottom of this page.
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UV-A Blacklight Bulbs
Low-Pressure Mercury Arc Lamps
UVA wavelength range: 315nm - 400nm
Peak: 352nm
Used for: photosensitization and photochemical reaction applications and insect traps. Output includes visible light.

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UV-A Blacklight Blue Bulbs
Low-Pressure Mercury Arc Lamps
UVA wavelength range: 315nm - 400nm
Peak: 352nm or 368nm
Used for: tests, inspections, examinations, stage illumination.
Deep blue filter glass absorbs visible light, transmits near UV.

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UV-B Bulbs
Low-Pressure Mercury Arc Lamps
UVB wavelength range: 280nm - 360nm
Peak: 306nm
Used for: inspection, analysis, testing (UV resistance of paints, plastics, rubbers), dermatology phototherapy

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UV-C Germicidal & Ozone Bulbs
Low-Pressure Mercury Arc Lamps
Germicidal Peak: 253.7nm
Germicidal plus Ozone Peaks: 253.7nm and 185nm
Used for: sterilization of surfaces, materials, air and water

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What is Ultraviolet Light?
Ultraviolet light is invisible to the human eye. It is part
of the electromagnetic spectrum that lies beyond the purple
range of the visible spectrum. The ultraviolet (or UV) spectrum
has wavelengths between 100 and 400 nanometers (nm). The UV
spectrum is further divided into wavelength ranges named UVA,
UVB, UVC:
UVA: sun tanning, testing, inspection, insect traps, stage effects, blacklight, phototherapy* (315-400nm)
UVB: sun burning, inspection, analysis, testing, phototherapy* (280-360nm)
UVC: germicidal (253.7nm), ozone producing (185nm)
*Phototherapy for treatment of skin diseases uses bulbs
emitting in the UVA and UVB spectral range. There is also
non-UV phototherapy for treatment of infant jaundice. These
bulbs, "bili lights", are low or non-UV
emitting fluorescent
or halogen sources with strong blue light in the visible spectral
range of 425-475nm.
Warning: UV radiation is harmful to skin and eyes.
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