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UV light can be harmful or beneficial, and a UV meter can detect it. Sunscreen and a UV meter can help protect against harmful UV rays. Museums use UV meters to protect artwork. UV meters are small devices that produce digital readings. UV light is used for sterilization, and a UV meter is used to ensure it is working properly.
Ultraviolet (UV) light is radiation invisible to the human eye that can be harmful or beneficial depending on concentration and use. A UV meter can detect ultraviolet light over a wide range of sensitivities. UV meters can be purchased from many sources, including outside vendors, scientific product companies, and many online merchants.
The sun is a large natural source of UV light, which can be dangerous for humans to be exposed to in some quantities. Sunscreen and sunblock are relatively effective defenses against UV light, but a UV meter can also be helpful to those who spend time outdoors. These simple meters let users know the level of UV rays and what kind of protection they may need. For those with skin that’s extremely sensitive to sunburn, a UV meter can give a good indication of what level of sunscreen to use and how long it’s safe to be out in full sun.
Museums that hold historic artworks often use a UV monitor to measure the potential damage done to priceless works. Just as ultraviolet rays burn skin, they can also damage scrolls, canvas, paint, and other art-related materials over time. In most popular museums, paintings and other pieces may be specifically placed in areas that protect them from the most UV rays, as determined by a UV meter. In some museums and collections, ultraviolet readings are taken regularly to ensure that levels have not changed and are not reaching dangerous heights.
A UV meter is typically a small, hand-held device that produces a digital reading based on data captured through sensors. Some may include guides that show where the UV level falls on a scale or provide recommendations based on exposure time readings. Usually, a UV meter manufactured for home or outdoor use will only be able to detect UV light from the sun, rather than from artificial sources such as black lights.
Ultraviolet light has many uses, including as a sterilizer. Water and food are sometimes purified using ultraviolet germicidal irradiation, which uses focused UV light to destroy and sterilize microorganisms. It is also often used to sterilize instruments and medical facilities and sometimes as an air purifier as well. To ensure that a UV sterilizer is working properly, operators use a highly sensitive UV meter to detect whether or not the rays emitted are at an acceptable level for sterilization.
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