{"id":13292,"date":"2023-07-19T08:15:51","date_gmt":"2023-07-19T08:15:51","guid":{"rendered":"https:\/\/staging.rayzeek.com\/?p=13292"},"modified":"2023-12-26T08:37:33","modified_gmt":"2023-12-26T08:37:33","slug":"what-is-lighting-design-lumens","status":"publish","type":"post","link":"https:\/\/staging.rayzeek.com\/fr\/glossary\/what-is-lighting-design-lumens\/","title":{"rendered":"What is Lighting Design Lumens (LDL)"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-what-is-lighting-design-lumens-ldl\">What is Lighting Design Lumens (LDL)<\/h2>\n\n\n<p class=\"wp-block-paragraph\">Lighting design lumens(LDL) is the number of lumens emitted by a light source after it has been in operation for 2,000 hours. Lumens are a unit of luminous flux, which measures the overall light output of a luminous source. In lighting design, understanding the LDL is crucial for determining the expected light output and achieving the desired level of illumination in a space.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The LDL value takes into account various factors, including lumen depreciation and maintenance procedures. Lumen depreciation is the decrease in lumen output of a light source over time. Each lamp type has a unique lumen depreciation curve, which depicts the pattern of decreasing light output. By considering the initial rated output of lumens and the anticipated minimum rated output based on the re-lamping program, the lamp lumen depreciation factor (LLD) can be calculated. This factor is used in illumination calculations to relate the initial rated output to the anticipated minimum rated output, accounting for the expected decrease in light output due to factors such as lamp depreciation and maintenance procedures.<\/p>\n<div class=\"insert_portfolio_outer_wrapper\"><h3>Laissez-vous inspirer par les portfolios de d\u00e9tecteurs de mouvement Rayzeek.<\/h3><p>Vous ne trouvez pas ce que vous cherchez ? Ne vous inqui\u00e9tez pas. Il existe toujours d'autres solutions \u00e0 vos besoins. L'un de nos portfolios peut sans doute vous aider.<\/p><div class = \"insert_portfolio_buttons\"><div class = \"insert_portfolio_button_wrapper\"><div><a href = \"https:\/\/www.rayzeek.com\/product-category\/motion-sensors\"><p>D\u00e9tecteurs de mouvement PIR<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/motion-sensor-switches\"><p>Interrupteurs \u00e0 d\u00e9tecteur de mouvement<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/occupancy-vacancy-sensors\"><p>D\u00e9tecteurs de pr\u00e9sence<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/products\/rz050\"><p>D\u00e9tecteur de mouvement pour climatiseur<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/motion-sensor-light-strip\"><p>Rubans LED \u00e0 d\u00e9tecteur de mouvement<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/dc-sensor-dimmer\"><p>D\u00e9tecteurs de mouvement\/gradateurs basse tension CC<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/wireless-motion-sensors\"><p>Kits de d\u00e9tecteurs de mouvement sans fil<\/p><\/a><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faqs\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions\">Foire aux questions<\/h2>\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-type-of-lighting-is-best\">What Type of Lighting Is Best<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">Currently, the most durable lighting option available in the market is LED (light-emitting diode) bulbs. These bulbs are designed to fit standard light sockets and are highly energy-efficient. Despite having a lower wattage than incandescent bulbs, LED bulbs produce the same amount of light output while consuming less energy.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-are-the-three-elements-of-lighting-design\">What Are the Three Elements of Lighting Design<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">The three primary components of lighting design for interiors include ambient lighting, task lighting, and accent lighting. These elements can be combined to enhance the aesthetics of your space.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-which-is-better-lux-or-lumens\">Which Is Better Lux or Lumens<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">One lumen per square meter is equivalent to one lux. This unit of measurement allows us to quantify the overall &#8220;quantity&#8221; of visible light and the strength of the lighting on a surface. Lux is commonly used as it provides an effective means of determining the perceived brightness of a light beam.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Doesn\\&#8217;t find what you want? Don\\&#8217;t worry. There are always alternate ways to solve your problems. Maybe one of our portfolios can help.PIR Motion SensorsMotion Sensor Switches&lt;div class = &quot;insert_portfolio_<\/p>","protected":false},"author":4,"featured_media":12789,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"[{\"keyword\": \"lumen depreciation\", \"idxall\": 0, \"keywordtitlesimi\": 0.9407013058662415, \"keywordslugsimi\": 0.9407013058662415, \"paratitlesimi\": 0.82110595703125, \"paraslugsimi\": 0.82110595703125, \"slug\": \"what-is-lumen-depreciation\", \"title\": \"What is Lumen Depreciation\", \"id\": 14058}, {\"keyword\": \"lumen depreciation curve\", \"idxall\": 0, \"keywordtitlesimi\": 0.8805792331695557, \"keywordslugsimi\": 0.8805792331695557, \"paratitlesimi\": 0.82110595703125, \"paraslugsimi\": 0.82110595703125, \"slug\": \"what-is-lumen-depreciation\", \"title\": \"What is Lumen Depreciation\", \"id\": 14058}, {\"keyword\": \"lumen depreciation\", \"idxall\": 0, \"keywordtitlesimi\": 0.8352086544036865, \"keywordslugsimi\": 0.8680140972137451, \"paratitlesimi\": 0.8816430568695068, \"paraslugsimi\": 0.8801159858703613, \"slug\": \"what-is-lamp-lumen-depreciation-lld\", \"title\": \"What is Lamp Lumen Depreciation (LLD)\", \"id\": 14228}, {\"keyword\": \"lamp depreciation\", \"idxall\": 0, \"keywordtitlesimi\": 0.8095577955245972, \"keywordslugsimi\": 0.8343991041183472, \"paratitlesimi\": 0.8816430568695068, \"paraslugsimi\": 0.8801159858703613, \"slug\": \"what-is-lamp-lumen-depreciation-lld\", \"title\": \"What is Lamp Lumen Depreciation (LLD)\", \"id\": 14228}, {\"keyword\": \"lumen depreciation curve\", \"idxall\": 0, \"keywordtitlesimi\": 0.7944991588592529, \"keywordslugsimi\": 0.8290411233901978, \"paratitlesimi\": 0.8816430568695068, \"paraslugsimi\": 0.8801159858703613, \"slug\": \"what-is-lamp-lumen-depreciation-lld\", \"title\": \"What is Lamp Lumen Depreciation (LLD)\", \"id\": 14228}, {\"keyword\": \"illumination calculations\", \"idxall\": 0, \"keywordtitlesimi\": 0.8168296813964844, \"keywordslugsimi\": 0.8168296813964844, \"paratitlesimi\": 0.6255121231079102, \"paraslugsimi\": 0.6255121231079102, \"slug\": \"what-is-level-of-illumination\", \"title\": \"What is Level of Illumination\", \"id\": 13762}, {\"keyword\": \"lamp depreciation\", \"idxall\": 0, \"keywordtitlesimi\": 0.7857193946838379, \"keywordslugsimi\": 0.7857193946838379, \"paratitlesimi\": 0.82110595703125, \"paraslugsimi\": 0.82110595703125, \"slug\": \"what-is-lumen-depreciation\", \"title\": \"What is Lumen Depreciation\", \"id\": 14058}, {\"keyword\": \"illumination calculations\", \"idxall\": 0, \"keywordtitlesimi\": 0.7672988176345825, \"keywordslugsimi\": 0.7672988176345825, \"paratitlesimi\": 0.5804222822189331, \"paraslugsimi\": 0.5804222822189331, \"slug\": \"what-is-illumination\", \"title\": \"What is Illumination\", \"id\": 13577}, {\"keyword\": \"lumen depreciation\", \"idxall\": 0, \"keywordtitlesimi\": 0.7482836246490479, \"keywordslugsimi\": 0.7664586305618286, \"paratitlesimi\": 0.7863039374351501, \"paraslugsimi\": 0.7763059735298157, \"slug\": \"what-is-luminaire-dirt-depreciation-ldd\", \"title\": \"What is Luminaire Dirt Depreciation (LDD)\", \"id\": 14267}, {\"keyword\": \"lumen depreciation\", \"idxall\": 0, \"keywordtitlesimi\": 0.7524284720420837, \"keywordslugsimi\": 0.7524284720420837, \"paratitlesimi\": 0.6984902024269104, \"paraslugsimi\": 0.6984902024269104, \"slug\": \"what-is-lumen-maintenance\", \"title\": \"What is Lumen Maintenance\", \"id\": 13579}]","article_topic":"","article_fact_check":"","mt_social_share":"","mt_content_meta":"","mt_glossary_display":"","glossary_heading":"","glossary":"Lighting Design Lumens (LDL)","glossary_alter":"","glossary_def":"","article_task":"","footnotes":""},"categories":[102],"tags":[99],"class_list":["post-13292","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-glossary"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is Lighting Design Lumens (LDL) - Rayzeek<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is Lighting Design Lumens (LDL) - Rayzeek\" \/>\n<meta property=\"og:description\" content=\"Doesn&#039;t find what you want? 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