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The difference between UV light meter and light meter

Oct 26, 2022

Both UV illuminometers and illuminometers are instruments that measure the intensity of light, but UV illuminometers measure the intensity of ultraviolet rays, while illuminometers measure the intensity of visible light. It looks like the name is similar, but the function is very different.


UV illuminometer is also called ultraviolet radiation meter, and the unit is mainly mW/cm2 or uW/cm2. According to the wavelength of ultraviolet rays, it can be divided into UVA, UVB, UVC, etc. The ultraviolet rays of different wavelengths are used in different occasions. For example, ultraviolet rays in the UVC band are mainly used for sterilization, ultraviolet rays in the UVB band are used for skin disease treatment, and ultraviolet rays in the UVA band are used for curing. Therefore, the selection of UV illuminance timing should also be selected according to the wavelength band of the light source.


Illuminance meter is an instrument used to measure luminosity and brightness. The unit is Lux. It is mainly used in lighting illumination detection in public places, lighting production industry, photography industry, stage lighting layout and other places.


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