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1 How To Distinguish UV Aging Test Machine For UVA Or UVB

UVA-340nm UV Lamp Band Selection Method And Application?

Ultraviolet light is a kind of light wave that is invisible to the naked eye. It exists on the outer side of the ultraviolet end of the spectrum, so it is called ultraviolet light. It is a kind of light wave, which is divided into three bands of A, B and C according to different wavelength ranges. The A-band ultraviolet wavelength is between 320 and 420 nm, and its center value is 365 nm. Different products choose different wavelengths. Ultraviolet tube,
UV lamp wavelength and application:
The luminescence spectral energy of the 1UVA-340 lamp is mainly concentrated at the wavelength of 340nm.
The luminescence spectral energy of the 2UVB-313 lamp is mainly concentrated at the wavelength of 313 nm.
The luminescence spectral energy of the 3UVC-365 lamp is mainly concentrated at the wavelength of 365nm.
1. UV-A-340 simulates the best choice of sunlight ultraviolet light (photoaging), which can perfectly simulate the short-wavelength wavelength range of sunlight spectrum, that is, the spectrum with wavelength range from 295 to 360 nm. UVA-340 only produces spectra of UV wavelengths that can be found in sunlight.
2. UV-B-313 is used for a large degree of accelerated test (accelerated aging) and can provide test results quickly. The short-wave UV they use is more intense than the UV light waves currently found on the Earth's surface. Although these UV light, which is much shorter than the natural wavelength, can accelerate the test to a large extent.

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