This is known as UVB and UVA light, and it is emitted from the suns rays. UV light is the light that can give you a tan (and sunburn) when you are at the beach or anywhere that sunlight hits you. The unit?s rugged, cost effective design features many of the operating advantages of more expensive UV light meters, but without the added cost or complexities of data storage and plotting features for those who do not require them. It is one of the most versatile lights, as it can be used for a wide variety of things. Short wave UV light is used most often for mineral observation and detection (. The UV light waves excite the material they strike, causing it to fluoresce and. 25.95 or 2 at 38.95 There are more than 1 type of UV (black light) lights.
However, the difference between UV light and non-UV light is that UV light is mostly non-visible to the human eye we can only see part of the light, which shows up to our eyes as a hazy purple color. The Meter comes with a detachable remote sensor, high-contrast digital LCD display, 9V battery and protective storage case. Ultraviolet lights work by producing specific wavelengths of light, just like any flashlight.
The UV-A Digital Light Meter is a compact, rugged, easy to operate, multi-function UV Meter proven to be highly effective for measuring and calibrating UV-A light sources used in fluorescent magnetic particle and liquid penetrant NDT inspections.