July 6, 2021
In the current global situation, questions surrounding sanitation, germicidal properties, and UV devices are more in focus than ever before. Safety considerations around the use of UV lighting and radiation are critical when so many new products are entering the markets of lighting, appliances, consumer products, healthcare and more.
UVC radiation has sanitizing properties and has many uses in commercial, healthcare, and consumer settings. UVC has germicidal benefits, depending on exposure dose (based on strength, proximity and time). However, there are serious risks to UVC exposure, so safety precautions are essential.
A critical term to keep in mind when discussing UVC is containment, which refers to a set of design criteria in which people are not exposed to excessive UVC but the germs are. You will see “containment” used throughout this site in reference to the design criteria. In consumer oriented germicidal devices containment is achieved by locating the UVC source within the product enclosure. In contrast, germicidal devices intended for use by trained professionals in controlled settings may have exposed UVC sources. With these designs, product and site safeguards and intended use are considerations for evaluation and certification.
These different approaches relate to higher risks of improper use (intentional or otherwise) by consumers who may not follow (or understand) safety warnings on the product or the packaging. In contrast, trained professionals are expected to follow safety instructions and use necessary protective equipment.
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