Posted by admin | Posted in Flashlights | Posted on 12-08-2009
Tags: electronics, flashlight, led, light, uv
Ultraviolet Flashlight Light
Myriad uses of LED blue lights
Different colors have got different wavelengths and the broad-spectrum white light is created by the mixing of basic colors like red, blue, green etc, which have shorter wavelengths. Because of this, the same light source can be controlled to produce LED blue lights, or green light, or white light as required. Alternatively, white light is also created by combining a single light like blue or ultraviolet with a phosphor to create a white light. With the latter, the production costs will be less but the light will not lend itself to being adjusted to produce different colors.
Ever since LED blue lights came into use, they have been widely used for emergency vehicle lighting requirements. In USA police vehicles use blue warning lights when they need to stop another vehicle. Blue is also used by ambulances, fire engines, and by volunteer firefighters and emergency medical technicians as courtesy lights or as regular warning lights.
In the UK as well as in many European countries and Australia, blue is the predominant color in emergency vehicle warning lights. As such LED blue lights are extensively used by police, ambulance, firefighters etc. Blue lights are also used in the handheld flashlights carried by police and hunters because of the fact that blood stains become clearer when viewed with a blue light.
LED blue lights are also used in cosmetic therapy for skin treatment. It has been found to have a germicidal effect and is seen to be capable of killing bacteria that cause acne. LED blue lights of a wavelength ranging between 405nm and 420nm have the ability to penetrate the skin and generate singlet oxygen which can reduce acne inflammation without causing any notable negative side effects. Singlet oxygen is a form of reactive oxygen with a high therapeutic value.
Many subways and train stations in Japan are resorting to installing LED blue lights in the belief that these lights have a calming effect on the commuters who use the station. These lights are believed to reduce suicidal tendencies of people. Another purported positive effect of LED blue lights is that people with astigmatism problems have been reported to be able to read without glasses under this light.
LED blue lights are today the favorite of electronic equipments manufacturers. Desktops and laptops and mobile phones have LED blue lights on them but there have been customer complaints that continuous exposure to these blue lights are causing glare problems, eye irritation etc. Similar complaints have also been heard from those who had too much exposure to the LED blue lights of emergency vehicles. Some users have chosen to cover the blue lights of computers or change the blue lights of a clock.
LED blue lights also do a great job as decorative lights. It is used as wide angle lights, stalked lights, and as icicle lights for decorating railings, roof lines, and eaves. It is a favorite for Christmas tree ornamentation as well.
Extreme Electrical Dynamics is a one-stop shop for LED blue lights and many other items like Flashlights, Sirens, Deck Lights, etc. Please visit the site for more details of various items available - http://www.extremetacticaldynamics.com/
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Blacklight Ultraviolet Flashlight $19.98 Tons of uses! Detect hidden pet stains, counterfeit money, invisible inks, fingerprints & bodily fluids. Use it for night fishing & hunting, to authenticate antiques, check the cleanliness of bathrooms and hotel rooms and much more! Pocket size flashlight has 14 ultraviolet LEDs. Includes 3 AAA batteries and free counterfeit currency ruler guide. 4" long. Warning: Avoid direct eye exposure. Keep away from children. |
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Ultraviolet (Paperback) $31.63 One of the most ubiquitous items of the 1960s and 1970s, the black light poster represented some of the most imaginative, colorful, and "out there" creativity of the period; Ultraviolet is the first book to ever celebrate this alternative art form. Daniel Donahue, an amateur historian of counterculture, has collected hundreds of vintage blacklight posters and chosen 69 of the best for this volume. Covering some of the more relevant subjects of the period, including Sex, Drugs, Rock ’N’ Roll, Earth Awareness, Black Power, and Astrology, Ultraviolet has been printed with flourescent inks so that the pages will actually glow under black light. This hip volume is a gift from the fifth dimension for anyone interested in alternative culture or graphic design. |
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Ultraviolet - Widescreen $24.99 This futuristic British miniseries began when the best friend of Det. Sgt. Michael Colefield (Jack Davenport) suddenly vanished from the altar at his own wedding. Though told not to investigate, Michael unearthed evidence that his pal had transformed into a vampire. This led the hero to a secret government organization, working in cahoots with the Catholic Church to rid the world of a vampiric scourge, using SWAT team tactics and state-of-the-art computer technology (those infected with vampirism could be detected with computer-generated ultraviolet light). Somewhat perversely, the modern-day bloodsuckers tried to maintain their respectable cover by actively supporting charities and worthwhile causes, thereby coming off somewhat more sympathetically than their relentless pursuers. One of the more intriguing aspects of this six-part series was the refusal by the authorites to make any direct reference to vampires; their quarry was always described as "Code 5" or "Leeches." A fascinating blend of traditional British cop drama with Dracula-style melodramatics, Ultraviolet made its Channel 4 debut on September 15, 1998. ~ Hal Erickson, Rovi |
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FLASHLIGHT, ICON SOLO PEN LIGHT, $17.99 FLASHLIGHT, ICON SOLO PEN LIGHT, |
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Ultraviolet Light in Water and Wastewater Sanitation $119.95 Combines technical discussion of the use of ultraviolet radiation in the disinfection processes of water treatment and sanitation with some treatment of the theoretical fundamentals and operational issues. The author surveys available technologies and then presents information on the use of ultraviolet in the disinfection of drinking water, photoch |
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Evaluation of Ozone and Ultraviolet Light $362.23 The objectives of this project were to: evaluate the benefits of ultraviolet light (UV) and ozone and determine how to integrate the two disinfection systems efficiently; compare medium pressure UV light (MPUV) with the combination of ozone and MPUV to determine their effectiveness in meeting CT requirements for inactivation of Giardia, Cryptosporidium, and viruses, especially in cold water; and compare the effects of MPUV and the combination of ozone and MPUV on the formation of disinfection byproducts, DBP precursors, and the biostability/bacterial regrowth potential. Protozoan parasites are a major public health concern as evidenced by waterborne outbreaks of Cryptosporidium in the early 1990s. USEPA regulators have proposed new regulations which require sitespecific means corresponding to the source water for the removal or inactivation of Cryptosporidium. For water systems with vulnerable sources, UV disinfection offers a cost effective approach. Utilities that have already installed ozone systems and those considering a multiple barrier approach to disinfection are interested in the effectiveness of UV alone and UV combined with ozone. Author: Hulsey, R. Binding Type: Paperback Number of Pages: 148 Publication Date: 2008/10/01 Language: English Dimensions: 11.00 x 8.25 x 0.32 inches |
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Polaris GL39SE4P UltraViolet Lamp $113.85 The Polaris GL39SE4P UltraViolet UV Lamp is for use in Polaris Ultraviolet Water Treatment Systems that use 39 Watt UV lights. Polaris Ultraviolet Filtration Systems utilize a natural quartz sleeve to protect the GL39SE4P light and allow the maximum amount of UV rays to penetrate and disinfect the water. The Polaris QS39 Replacement UV Quartz Sleeve can be purchased below. Polaris Ultra Violet Water Treatment Systems inactivate microorganisms within seconds with no harmful chemicals or byproducts. Polaris UltraViolet Systems feature durable construction with high quality performance lamps. The Polaris GL39SE4P UltraViolet UV Lamp is a high output low pressure mercury vapor lamp with high isolation pin design. Specs:. Lamp Watts: 39W. Wave Length: 254 nm. Lamp End: 4 pin single end. Rated Life: 9 000 Hrs. |
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Ultraviolet 2012 Wall Calendar $14.99 This 16-month wall calendar highlights 13 more beautiful vintage black-light posters from Abrams Image’s bestselling Ultraviolet,. Like the book, the calendar is printed with fluorescent inks so that the pages actually glow under black light. |
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Vacuum Ultraviolet Spectroscopy $180 Techniques of Vacuum Ultraviolet Spectroscopy was first published in 1967. In the three decades since, the techniques associated with vacuum ultraviolet spectroscopy have been greatly expanded. Originally published as two volumes in the serial "Experimental Methods in the Physical Sciences," Vacuum Ultraviolet Spectroscopy combines in one paperback volume information on the many advances in vacuum ultraviolet (VUV) research. In addition, the book provides students and researchers with concise reviews of the important aspects of designing experiments in the VUV region. This is the only comprehensive treatise describing the use of synchrotron and other light sources for research, along with the new technologies in optical elements, multilayers, mirror coatings, soft x-ray zone plates, VUV detectors, interferometric spectrometers, and subjects such as spectromicroscopy, lithography, and photon-induced fluorescence. Vacuum Ultraviolet Spectroscopy is an ideal handbook both for the beginner and for the experienced researcher in any field requiring the use of VUV radiation. Key Features * Detailed review of synchrotron radiation sources including undulators and wigglers * Comprehensive outline of monochromator design * Concise review of optics theory for multilayers, spectrometers, and zone plates * Information about other important VUV sources such as laser produced plasmas and Electron Beam Ion Trap (EBIT) sources * Applications such as spectromicroscopy, lithography, and fluorescence |
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Ultraviolet Radiation in the Solar System $219 Provides a description of the Sun, our main source of UV radiation. This book discusses the potential role of ultraviolet light in the development of life on bodies such as Mars, Europa and Titan. The Solar System is not isolated; other external sources can contribute to the enhancement of the UV radiation in our environment. |
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Ultraviolet Light in Food Technology $179.95 Shows how UV light irradiation can be used as a physical preservation method in food processing. This book summarizes the findings of published studies that investigate the UV treatment of foods, including international, US FDA, and USDA regulations. It presents the fundamentals of UV light generation and propagation. |
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Flashlight $149 Flashlight |
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