![]() ![]() Wear protective clothing when handling germicidal UVC lamps and keep them away from your skin and eyes. Unlike the UVA lamps, germicidal tubes are usually transparent. Like blacklight UVA lamps, germicidal UVC lights are commonly sold as tubes, either straight or turned into more compact shapes. They’re mainly used in professional and industrial environments in processes such as: They’re certainly not the type of light bulbs to be used in the home. The type of UV radiation these light bulbs emit targets the DNA of microorganisms, causing cell death or making reproduction impossible. Accordingly, extra care should be taken when handling and using these types of UV lights. These lamps have the shortest UV wavelengths (between 200-280nm) and as a result are potentially the most harmful. Here’s that link again with more information about the safe handling and disposal of light bulbs. They emit a mixture of ultraviolet and visible light and will appear to glow a luminous blue colour when operating.Īgain, ensure these ultra violet light bulbs are handled and disposed of with care. Bug zappers (the UV light attracts bugs).Common uses for these light bulbs include: While they still fall into the same UVA bracket on the ultraviolet spectrum, the slightly shorter wavelengths (between 350-370nm) result in very different effects. See our guide for some more advice on the safe handling and disposal of light bulbs.īlacklight lamps are not to be confused with the black light blue type described above. ![]() ![]() Wear gloves when handling them to avoid contaminating the light bulb, and ensure they are disposed of safely. While BLB light bulbs are not hazardous to your health in the same way that germicidal UVC light bulbs are, they should always be handled with care. When using BLB lamps with ultra violet varnishes or paints, check the manufacturer’s guidelines on the correct lighting needed to activate their product. Fluorescent tubes – either straight or turned into more compact shapes, like the example pictured – are the most common type but there are other lamp varieties available. Typical uses include:īLB light bulbs are covered by a very dark blue or purple filter, and give off a purplish glow. The wavelengths that these UV lamps emit are between 370–400nm, right on the border of visible light. These are the type of ‘glow-in-the-dark’ light bulbs that most would associate with ultraviolet light. With that in mind, we’ve put together a handy guide to help you determine which UV light bulb is the right one for you. These are each meant for very different uses and, in the case of germicidal lights particularly, could be hazardous to your health if mixed up. The three different types of UV light bulb available are Blacklight Blue (BLB), Blacklight (B元68), and Germicidal. The chart below shows the respective wavelengths (in nm) that different types of UV lamps produce, and where they fall on the UV spectrum. The sun gives off the most harmful UVC rays, but they are not strong enough to penetrate the earth’s atmosphere (luckily for us). Shorter wavelength radiation, however, is less able to penetrate human skin. The shorter the wavelength, the more energetic the radiation, and the more harmful it can be. UV radiation falls into three categories depending on its wavelength: UVA, UVB and UVC. You will often see product descriptions on Lightbulbs Direct reference the ‘nm’ range of the lamp because it directly affects what type of light bulb it is. It is often referred to as ultraviolet ‘light,’ but UV is a type of electromagnetic radiation with wavelengths shorter than visible light and longer than X-rays.Īll electromagnetic waves are measured in metres, but some wavelengths (like UV) are so small that they’re measured in nanometres (nm). With that in mind, here’s everything you need to know to buy UV light bulbs in confidence. Once you’re aware of the different types of UV lamp and what they should be used for, picking one will be a lot easier. A blacklight blue (BLB) light bulb won’t help you kill flies, just as a germicidal UV tube won’t help you detect forged bank notes. When buying Ultraviolet light bulbs, it’s important to know which type of light bulb is the right one for your needs.Īt Lightbulbs Direct, we sell three different types of UV light bulb, and (here’s the important bit) one type is not suitable for all uses. Do you know your ultraviolet blacklight UVA from your germicidal UVC? ![]()
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