{"id":34267,"date":"2026-07-13T08:00:23","date_gmt":"2026-07-13T07:00:23","guid":{"rendered":"https:\/\/jelproducts.nl\/?p=34267"},"modified":"2026-07-13T08:00:23","modified_gmt":"2026-07-13T07:00:23","slug":"how-to-prevent-glare-from-industrial-led-lighting","status":"publish","type":"blog","link":"https:\/\/jelproducts.nl\/en\/blog\/hoe-voorkom-je-verblinding-door-industriele-led-verlichting\/","title":{"rendered":"How to prevent glare from industrial LED lighting?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">You can prevent glare from industrial LED lighting by choosing luminaires with the right optics, a low UGR value, and focused beams that direct light precisely where it's needed. The combination of high-quality reflectors, shielding caps, and anti-glare optics ensures that employees can see clearly without being bothered by direct or indirect glare. This article answers the most frequently asked questions about glare in the industrial workplace,from causes to standards and practical solutions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What causes glare in industrial LED lighting?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">LED light sources naturally have high luminance: they emit a lot of light from a small surface area. This makes them energy-efficient, but without the right optics, they can also be a direct source of discomfort and danger. Glare occurs the moment the light source or its reflection creates too much contrast with the surrounding environment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There are two main forms to consider:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n <li><strong>Direct glare<\/strong> The light source itself is visible from the employee's viewing angle, such as a floodlight shining directly into the face.<\/li>\n <li><strong>Indirect glare (reflected glare):<\/strong> Light reflects off shiny surfaces, such as metal machinery, wet floors, or painted surfaces, thus reaching the eye.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">In industrial settings, environmental factors also play a significant role. Large differences in illumination between lit and unlit areas, high ceilings with powerful downlights, and outdoor locations with floodlights on poles considerably increase the likelihood of disruptive glare. The greater the luminance difference, the faster the eye becomes overloaded.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What is the UGR value and why does it matter for work lighting?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The UGR value (Unified Glare Rating) is an internationally standardized measure that indicates the degree to which an lighting installation causes glare. The lower the value, the less blinding the lighting is. For industrial workplaces, a maximum UGR of 22 typically applies; for precision work such as assembly or quality control, a UGR of 19 or lower is required.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The calculation is based on the luminance of the luminaires, their position relative to the observer, and the ambient lighting in the room. This means that the same luminaire may have a different UGR in a low-ceilinged hall than in a high-ceilinged production hall. When selecting <a href=\"https:\/\/jelproducts.nl\/en\/led-work-lights\/\">non-glare work lights<\/a> That is why it is important to evaluate the UGR in the context of the specific installation, not just based on the product data sheet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Standards such as EN 12464-1 (indoor workplace lighting) directly link UGR requirements to the nature of the work. Ignoring these values not only leads to discomfort, but also to higher error rates and concrete safety risks.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Which lighting techniques are most effective at reducing glare?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">No single technique works on its own,the best results always come from a combination of measures. Proper optics, shielding, and a well-planned installation location together form the basis for a glare-free environment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The following approaches have been proven to be the most effective:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n <li><strong>Full-cutoff optics:<\/strong> The light is directed exclusively downward or toward a specific surface, so that the light source itself is not visible from horizontal viewing angles.<\/li>\n <li><strong>Asymmetric light beams:<\/strong> In facade or area lighting, an asymmetrical beam ensures that light is directed onto the surface to be illuminated without dazzling the surrounding area or passersby.<\/li>\n <li><strong>Matte or micro-textured lenses:<\/strong> These spread the light over a larger area, causing the peak brightness of the light source to decrease.<\/li>\n <li><strong>Correct mounting height and angle:<\/strong> The higher a luminaire is mounted, the less likely it is to fall directly into the field of vision. An incorrect tilt angle can still make a good luminaire blinding.<\/li>\n <li><strong>Dimming and zoning:<\/strong> By illuminating high-activity zones more brightly than surrounding areas, you reduce the overall contrast and, consequently, the likelihood of adaptation glare.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">For machine-related applications, anti-glare optics are especially important. Operators who focus on a specific point for extended periods are particularly sensitive to distracting light sources in their peripheral vision.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How does glare from outdoor lighting differ from that of lighting in manufacturing facilities?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The environment determines which measures take priority. Outdoors, the main concern is preventing direct glare over long distances; in production halls, indirect reflective glare and the contrast between lit and shaded areas are the biggest problems.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">On <a href=\"https:\/\/jelproducts.nl\/en\/sectors\/havens-terminals-lighting\/\">industrial sites and ports<\/a> Floodlights are mounted on poles designed to distribute light over large areas. Full-cutoff technology is essential here: light emitted above the horizontal axis directly reaches the eyes of people on the grounds or in the surrounding area. In addition, increasingly strict requirements regarding light pollution for nearby residents are in effect.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The situation is different in production halls. The ceiling height is limited, employees move around the space, and often work close to machines with reflective surfaces. Here, the UGR value is the most relevant parameter, and factors such as the reflectance of floors and walls play a major role in the overall lighting quality. A customized lighting plan, which also takes indirect lighting components into account, is essential in production halls.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">When is glare a safety hazard, and when is it just a comfort issue?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The distinction between a safety risk and a comfort issue determines the prioritization of measures. Glare becomes a safety risk as soon as it impairs an employee\u2019s ability to react quickly and correctly,when operating rolling stock, operating machinery, working at heights, or in situations where visual details are critical to safe operation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In environments with forklifts, cranes, or moving machinery, glare control is not a luxury but a necessity. An operator who is temporarily blinded by a poorly positioned floodlight could cause an accident that would cost far more than the investment in better lighting luminaires.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Comfort glare,such as in an office above a production hall or in a control room,leads to fatigue, loss of concentration, and higher error rates in the long term. Less acute, but structurally harmful to productivity and well-being. Both forms warrant attention, but the order of priority depends on the risk assessment for each work zone.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How do you check whether a light luminaire meets anti-glare standards?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Compare the UGR value in the product datasheet with the standard applicable to your workplace and verify if the manufacturer has tested in accordance with EN 12464-1 or similar standards. Also, pay attention to the test conditions, as a UGR value is always room-specific.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Specific steps to verify this:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n <li>Request the photometric report (LDT or IES file) from the supplier and have it entered into lighting software such as DIALux or Relux.<\/li>\n <li>Verify that the UGR calculation has been performed for your specific room dimensions and reflectance values.<\/li>\n <li>Verify that the luminaire has a cut-off angle that corresponds to the specified UGR class.<\/li>\n <li>Certification requirements: Luminaires that have been tested and certified by independent laboratories provide greater assurance than manufacturer specifications alone.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">For outdoor applications, additional criteria apply regarding light nuisance and upward light spillage. For outdoor workplaces, standard EN 12464-2 is used. Standards such as NBN EN 13201 for road lighting and guidelines from the NSVV also offer a framework. When in doubt, independent lighting advice is the most reliable route to a demonstrably compliant installation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Case Study: Van Gelder \u2013 Full-Cutoff Specialization<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A striking example of how anti-glare measures are implemented in practice is the Van Gelder project. This project focused on full-cutoff lighting: the technical challenge was to adequately illuminate large outdoor areas without allowing light to escape above the horizontal axis or to dazzle nearby residents and passersby. That sounds simple, but in practice it often conflicts with the need for adequate lighting levels at the work surface.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The design decision was to use only luminaires with a strict full-cutoff beam, with the light source height and tilt angle precisely calculated to meet both the lighting standard and the anti-glare requirements. An incorrect angle of just a few degrees would still make the light source visible from ground level. Maintenance considerations also played a role: the luminaires had to be able to withstand the on-site conditions and remain easily accessible for periodic inspection without the settings shifting.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The lesson learned ties directly into the topic of this article: full-cutoff technology only works if the installation parameters,height, angle, and position,are determined just as carefully as the choice of luminaire itself. A good luminaire in the wrong position offers no guarantee against glare. More examples of similar approaches can be found at the <a href=\"https:\/\/jelproducts.nl\/en\/projects\/\">projects page<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How JEL Products Helps Prevent Glare<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">JEL Products develops LED luminaires specifically designed for environments where glare directly affects safety and productivity. Under the DarkLicht brand, the company offers solutions featuring full-cutoff technology and glare-free optics, developed in collaboration with mining equipment manufacturers where visibility is critical under all conditions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Specifically, here&#x27;s what JEL Products offers in terms of anti-glare:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n <li>Luminaires with controlled light beams and low UGR values, suitable for both machines and large halls<\/li>\n <li>Full cutoff floodlights for outdoor locations, terminals and areas without emission above the horizontal axis<\/li>\n <li>Photometric calculations and lighting design as part of the process, so that the UGR value per zone is demonstrably achieved<\/li>\n <li>Products that are tested and certified, including documentation for compliance checks<\/li>\n <li>Custom solutions for extreme environments, from cold climate chambers to steel mills, where standard solutions fall short<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Do you want to know which lighting solution suits your situation and how glare can be structurally prevented in your work environment? <a href=\"https:\/\/jelproducts.nl\/en\/contact\/\">Get in touch<\/a> Contact the specialists at JEL Products for concrete, customized advice.<\/p>","protected":false},"excerpt":{"rendered":"<p>Prevent industrial LED glare with low UGR values and targeted optics. Discover which standards and techniques really work.<\/p>","protected":false},"author":1,"featured_media":36550,"template":"","categories":[],"tags":[],"class_list":["post-34267","blog","type-blog","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.4 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Hoe voorkom je verblinding door industri\u00eble LED-verlichting? | JEL Products<\/title>\n<meta name=\"description\" content=\"Voorkom verblinding door industri\u00eble LED-verlichting met de juiste UGR-waarde, full-cutoff optiek en slimme plaatsing. 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