Apparatus for artificial weathering comprising two kinds of light emission sources
AssigneeAtlas Material Testing Technology GmbH
InventorsMatt McGreer, Oliver Rahäuser, Jörn Jahnke
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Abstract
An apparatus for artificial weathering or lightfastness testing of samples comprises a weathering chamber, a first light source provided in the weathering chamber, the first light source comprising one or more fluorescent UV lamps each comprising an emission spectrum with a maximum wavelength below a predetermined wavelength, and a second light source provided in the weathering chamber, the second light source comprising one or more light emitting diodes each comprising an emission spectrum with a maximum wavelength above the predetermined wavelength.
Claims20
An apparatus for artificial weathering or lightfastness testing of samples, the apparatus comprising:
- a weathering chamber;
- and
- no more than two light sources provided in the weather chamber, wherein:
- a first light source of the no more than two light sources consists of one or more fluorescent ultraviolet (UV) lamps each comprising an emission spectrum with a maximum wavelength below a predetermined wavelength;
- and
- a second light source of the no more than two light sources consists of one or more light emitting diodes each comprising an emission spectrum with a maximum wavelength above the predetermined wavelength.
Dependencies are inferred from the claim text.