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Blog about light quality measurements

EPREL for lighting

GL Optic EPREL database color uniformity

Exploring EPREL – color uniformity

  • May 11, 2023
The concept of so-called MacAdam ellipses is used to describe color uniformity. The methodology for assessing color uniformity was developed on the basis of a study of the perception of color uniformity, which was conducted in 1943 by the American physicist David MacAdam.
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gl optic ecodesign requirements

Which products are subject to the Ecodesign requirements?

  • April 24, 2023
To improve energy efficiency, promote a sustainable economy and to enable easy verification of quality parameters all EE countries are obliged to comply to the Ecodesign policy. The product types currently covered by these rules are those that use energy, including lighting products.Post by Krzysztof Jeżowski  I sales engineer @GL Optic
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gl optic ecodesign obligations for lighting specialists

Ecodesign obligations for lighting specialists

  • March 2, 2023
Ecodesign is a policy in force in all European Union countries, aimed at improving energy efficiency, promoting a sustainable economy and enabling easy verification of the quality parameters of light sources and luminaires. The Ecodesign EU 2019/2020 impose new obligations on lighting manufacturers and the new requirements remains relevant topic for several years now.Post by Krzysztof Jeżowski  I sales engineer @ GL Optic
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ABOUT GL
GL Optic is a Polish-German manufacturer of precise light measuring instruments and complex solutions for spectral light measurement systems.
GL Optic products are made in Europe, sold and serviced on all continents.
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