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Blog about light quality measurements

Let's talk about light quality measurements

GL BLOG is a blog run by GL Optic engineers, where they share their knowledge and experience in the field of light quality measurements for various applications. You will find here the latest information, technical tips, interesting case studies in the area of lighting and its measurements.

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EPREL light lighting
EPREL for lighting
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Recent blog posts

GL Optic EPREL database color uniformity

Exploring EPREL – color uniformity

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
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goniometr ręka

Measuring large luminaires safely

Goniometers are big and powerfull systems, that can measure large luminaires and need enough space for proper operation. To ensure safety, GL Optic’s engineers introduced couple safety features to proceed with
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gl optic ecodesign requirements

Which products are subject to the Ecodesign requirements?

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
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GL-PARTNERS-2023_BLOG_1024x576px

GL Partners Conference 2023

Between April 26th and 28th, we will host the biennial GL Partners Conference 2023. We have invited our partners and distributors from all over the world. This year's meeting will be
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gloptis-automotive-and-eledtronics-lighting-light-measurement-systems-6

How to measure car lamps?

In the field of automotive lighting a big revolution took place, as the adaptive headlights and taillights are the latest trend.It is common that headlamp integrate various functions like daylight running
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GL Optic luminance measurement luminancja GL Opticam 3.0

Luminance in road lighting

Luminance can be defined as the impression of brightness of a luminous surface. It is the "amount" of light emitted by a given surface that we see. Our eye can recognize
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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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