Where UV-C lies on the spectrum
During the coronavirus pandemic, there’s been a lot of interest in using germicidal lamps to disinfect surfaces rather than hosing everything down with bleach or disinfectant. Lamps are a little easier to work with when you’ve got things like knobs, buttons, and slider controls on test instruments that may not do well when doused with liquids.
There are two kinds of germicidal lights available. One is the traditional kind that uses low-pressure lamps that are similar to a fluorescent lamp. The second uses LEDs that put out light of about same wavelength, near 253 nm, in what’s called the ultraviolet C or UV-C light range.
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