Does your LED product comply with new Ecodesign requirements for flicker and stroboscopic effect?

A year from now, at the end of 2021, the new Commission Regulation EU 2019 2020 (Ecodesign) enters into force. The specific requirements for electrical equipment including LED light sources are changing. In addition to the new energy efficiency classes, completely new minimum requirements for flicker and the so-called stroboscopic effect are introduced. Lamp manufacturers, [...]

Testing the quality of road lighting according to the criterion of illuminance

The quality of road lighting and the way in which urban spaces and public spaces are illuminated have been widely discussed in recent years in view of the increasing use of LED lighting, which is significantly different from traditional lighting systems with discharge lamps. New technology affects the change in the construction of the luminaire, [...]

Quantity vs. quality of LED lighting. Evaluation measures with consideration of physiology of vision, efficiency, and photobiological safety.

LED technology and its application in luminaires pose a new challenge for quantitative and qualitative evaluation of lighting, taking consideration of its influence on the comfort of performing visual tasks, on photobiological effects, and on photobiological safety. The field of LED lighting is in a particular way interpenetrated by issues related to the design, construction, [...]

Verifying indoor LED lighting for classrooms. Standard requirements, available instruments and new quality considerations

By Mikołaj Przybyła IES Member CIE Member| GL Optic  Proper lighting plays a key role in creating the right lighting conditions for learning and working in schools and other educational institutions, providing visual comfort, safety and energy efficiency. However, it is not enough to replace old luminaires with modern ones. What should be done to [...]

New Ecodesign Regulation on flicker and stroboscopic effect in LED lighting.

Flicker and Stroboscopic Visibility Measure (SVM) to be introduced by the revised Ecodesign Regulation for light sources by the end of 2019. Evaluation and measurements of optical flicker is a new task for electronic developers who provide solutions for LED lighting applications. When new drivers, power supplies or dimming electronics is purchased or designed, engineers [...]

How to organize a modern photometric laboratory Part 3 – introduction to luminance measuring devices

Luminance is the most important quantity in lighting design and the most important measure in road lighting and architectural illumination. It is also the measure that is probably the easiest to understand and notice by the user, because it determines the “brightness” of the observed objects and surfaces. The 21st century, revolutionized by the widely [...]

How to organize a modern photometric laboratory Part 2 – selection of an integrating sphere system

Integrating spheres are one of the basic instruments for measuring light sources, lamps and luminaires. Traditionally, an integrating sphere is also called an Ulbricht sphere, and its name comes from the name of German engineer Richard Ulbricht, who during the preparation of electrification and lighting of a railway station dealt with photometric measurements in order [...]

How to organize a modern photometric laboratory Part 1 – selecting a goniometer system

Many manufacturers of lighting products use external measurement laboratories to verify compliance with standards and assess performance. Some manufacturers or importers rely solely on their suppliers' datasheets and try to avoid having to carry out measurements on their own. This situation is quite common not only among small start-ups but also larger lighting companies in [...]

Modern lighting audits. Technology supporting designers and contractors to verify lighting conditions

Available lighting design software tools support architects, engineers, and designers with the calculation and simulation of luminance levels and even correlated color temperature (CCT), but little is available for on-site verification tools. Nevertheless, verification can insure conformance for specific application requirements such as detailed task-work, food inspection, color critical viewing, warehouse isles, safety exit signs, [...]

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