Traditional black lights emit an average wavelength of 365nm and have a filter to eliminate anything below 320 nm and put our less visible light to make UV reactive products "pop" with color. The ideal black light has the shortest wavelength possible without going below the dangerous 320 nm threshold and has minimal visible light (above 400 nm). Medium and short wave ultraviolet light can lead to eye damage. Long wave ultraviolet (UVA) used for true black lights is relatively safe on the eyes. 400 - 320 nm UVA, Long Wave, Black Light.The ultraviolet spectrum is broken down into subcategories depending on wavelength: Ultraviolet light will cause fluorescent or phosphorescent pigments to fluoresce, emitting visible light. The color above red is called infra-red and the color below violet is called ultraviolet. However, other invisible “colors” exist above and below this spectrum. Unlike some insects, humans can only view the spectrum from red to violet. The colors visible to humans are determined by the wavelength of light energy. This article will discuss various bulbs and give you the information to choose an efficient black light for your project. This problem has dramatically increased recently with the advent of falsely labeled UV LED’s. Unfortunately, manufacturers use the words “Black Light” and “UV” carelessly and confusion follows. Used many times for industrial processes.Black lights are by far the most efficient way to charge glow in the dark paint and it is mandatory for fluorescent UV Reactive paint.Īnyone using phosphorescent or fluorescent paint and wants the best results possible will also need to understand black lights and the long wave ultraviolet light they emit. 350 fluorescent black light or black light 350BL. Of course, there may be situations where you might use this for some kind of effect but that is not it's primary use. Once it’s lit it goes into this light purple that you characteristically see in bug zappers or bug attractants. And when this one is unlit it simply has a white phosphor appearance. We should state this isn’t the kind of black light that is used for special effects like the black light blue, that’s a completely different type of black light. It’s very simple to look on the side of the light tube itself to see which one you have and select from our list. It comes in all different sizes which vary in watts and length of the bulb and whatever fixture that you have needs to be matched up to that length and wattage. Nearly all of it's light comes from that area of the visible spectrum which can be used for many of the tasks that we have been talking about. The 350 stands for 350 nanometer peak in the spectral range. But most of these have been used for many decades in the past and still give the exact type of lighting you need in a narrow part of the spectrum. Typically these run off a magnetic ballast or possibly an electronic ballast if you have a newer unit. If you're looking for them in a bug zapper, then the size must be exactly the same as what you use now. There are many industrial machines that use this type of bulb to spot imperfections or used in some kinds of metal or plate exposure. Black light 350 bulbs are used mostly for special exposure and bug lighting fixtures. B元50 fluorescent blacklight bulbs used in certain exposure processes are known also as 350 fluorescent black lights or 350BL.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |