Introduction

UV is the abbreviation of Ultraviolet, Which is an ultraviolet light, so the ultraviolet tube called UV tube. Ultraviolet rays(UV)is no visible light,Is a electromagnetic radiation outside the visible purple light,wavelength is between 10~400nm.usually for different character, can be departed into the following:

a(Vacuum UV), wavelength 10–200nm

b(UV-C),wavelength  200–280nm

c(UV-B),wavelength 290–320nm

d(UV-A),wavelength 320–400nm

e(Visible light),wavelength 400–760nm

The international general use is the long wave UV(UV-A)。

UV light spectrum

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Anan electronic Co., Ltd is professional in manufacturing this type of tube, Fluorescent black light tubes are typically made in the same fashion as normal fluorescent tubes except that a phosphor that emits UVA light instead of visible white light is used. The type most commonly used for black lights, designated black light blue or “BLB” by the industry, has a dark blue filter coating on the tube, which filters out most visible light, so that fluorescence effects can be observed.

Two black light fluorescent tubes, showing use. The top is a F15T8/BLB 18 inch, 15 watt tube, used in a standard plug-in fluorescent fixture. The bottom is an F8T5/BLB 12 inch, 8 watt tube, used in a portable battery-powered black light sold as a pet urine detector.

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