HOW TO TEST...
An Ultra Violet Blacklight
Using our simple test, you will be enable to determine the frequency band of your UV light
As you can see from these examples, the best colour intensity and brightness comes from the 365-380nm UV Frequency range.
In this demonstration using a British £20 note, it is possible to see the visual differences between the UV wavelengths and is therefore a simple and effective way of testing (or determining) the approximate operating wavelength of a UV LED Torch or UV Lamp.
This video test shows the differences in UV quality between 3 UV LED Torches.
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