{"id":13985,"date":"2023-09-10T16:54:18","date_gmt":"2023-09-10T16:54:18","guid":{"rendered":"https:\/\/www.rayzeek.com\/?p=13985"},"modified":"2023-12-26T08:42:39","modified_gmt":"2023-12-26T08:42:39","slug":"what-is-light-loss-factor-llf","status":"publish","type":"post","link":"https:\/\/www.rayzeek.com\/fr\/glossaire\/quest-ce-que-le-facteur-de-perte-de-lumiere","title":{"rendered":"Qu'est-ce que le facteur de perte de lumi\u00e8re (LLF) ?"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-what-is-light-loss-factor-llf\">Qu'est-ce que le facteur de perte de lumi\u00e8re (LLF) ?<\/h2><p>Le facteur de perte de lumi\u00e8re (LLF) est un terme utilis\u00e9 pour quantifier la r\u00e9duction de la puissance lumineuse qui se produit au fil du temps dans un syst\u00e8me d'\u00e9clairage. Il s'agit d'un facteur essentiel pris en compte dans les calculs d'\u00e9clairage pour s'assurer que le niveau d'\u00e9clairement souhait\u00e9 est maintenu pendant toute la dur\u00e9e de vie du syst\u00e8me.<\/p><p>Le LLF prend en compte divers facteurs qui contribuent \u00e0 la diminution du rendement lumineux, notamment la d\u00e9pr\u00e9ciation des lampes, les changements de performance des luminaires et la d\u00e9t\u00e9rioration des surfaces de la pi\u00e8ce. En tenant compte de ces facteurs, les concepteurs et les ing\u00e9nieurs peuvent d\u00e9terminer avec pr\u00e9cision le nombre de lampes ou de luminaires n\u00e9cessaires pour atteindre le niveau d'\u00e9clairement souhait\u00e9 dans un espace donn\u00e9.<\/p><div class=\"insert_portfolio_outer_wrapper\"><h3>Inspirez-vous des portefeuilles de d\u00e9tecteurs de mouvement Rayzeek.<\/h3><p>Vous ne trouvez pas ce que vous voulez ? Ne vous inqui\u00e9tez pas. Il existe toujours d'autres moyens de r\u00e9soudre vos probl\u00e8mes. L'un de nos portefeuilles peut peut-\u00eatre vous aider.<\/p><div class = \"insert_portfolio_buttons\"><div class = \"insert_portfolio_button_wrapper\"><div><a href = \"https:\/\/www.rayzeek.com\/fr\/categorie-de-produit\/capteurs-de-mouvement\"><p>D\u00e9tecteurs de mouvement PIR<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/fr\/interrupteurs-a-detecteur-de-mouvement\"><p>Interrupteurs \u00e0 d\u00e9tecteur de mouvement<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/fr\/capteurs-doccupation-et-dinoccupation\"><p>Capteurs d\u2019occupation<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/fr\/produits\/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\/fr\/categorie-de-produit\/motion-sensor-light-strip\"><p>Rubans lumineux \u00e0 d\u00e9tecteur de mouvement<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/fr\/categorie-de-produit\/dc-sensor-dimmer\"><p>D\u00e9tecteurs de mouvement\/d\u00e9tecteurs d'intensit\u00e9 \u00e0 basse tension \u00e0 courant continu<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/fr\/categorie-de-produit\/capteurs-de-mouvement-sans-fil\"><p>Kits de d\u00e9tecteurs de mouvement sans fil<\/p><\/a><\/div><\/div><\/div><\/div><p>L'objectif du LLF est de tenir compte de la diminution de la puissance lumineuse et de garantir que le syst\u00e8me d'\u00e9clairage continue \u00e0 fournir un \u00e9clairage ad\u00e9quat tout au long de sa dur\u00e9e de vie. Elle est cruciale dans la conception de l'\u00e9clairage car elle permet de calculer le nombre appropri\u00e9 de lampes ou de luminaires n\u00e9cessaires pour compenser la perte de lumi\u00e8re attendue au fil du temps.<\/p><p>Le LLF peut \u00eatre cat\u00e9goris\u00e9 comme initial ou maintenu. Le LLF initial tient compte de la r\u00e9duction du rendement lumineux imm\u00e9diatement apr\u00e8s l'installation, tandis que le LLF maintenu tient compte de la diminution du rendement lumineux au cours de la dur\u00e9e de vie du syst\u00e8me d'\u00e9clairage.<\/p><div class=\"insert_inquiry_outer_wrapper\"><h3>Vous recherchez des solutions d'\u00e9conomie d'\u00e9nergie activ\u00e9es par le mouvement ?<\/h3><p>Contactez-nous pour des d\u00e9tecteurs de mouvement PIR complets, des produits d'\u00e9conomie d'\u00e9nergie activ\u00e9s par le mouvement, des interrupteurs \u00e0 d\u00e9tecteur de mouvement et des solutions commerciales d'occupation\/occupation.<\/p><div class = \"insert_inquiry_buttons\"><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_email\"><div><a href = \"mailto:info@rayzeek.com\"><p>Envoyer un courriel<\/p><\/a><\/div><\/div><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_email_contact\"><div><a href=\"https:\/\/www.rayzeek.com\/fr\/contact\"><p>Formulaire de contact<\/p><\/a><\/div><\/div><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_chat chat_jump\"><div><a href=\"#\"><p>Chat en ligne<\/p><\/a><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Le facteur de perte de lumi\u00e8re (LLF) est un terme utilis\u00e9 pour quantifier la r\u00e9duction du rendement lumineux qui se produit au fil du temps dans un syst\u00e8me d'\u00e9clairage.<\/p>","protected":false},"author":4,"featured_media":12868,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"[{\"keyword\": \"desired level of illuminance\", \"idxall\": 1, \"keywordtitlesimi\": 0.8392319679260254, \"keywordslugsimi\": 0.8392319679260254, \"paratitlesimi\": 0.6505306363105774, \"paraslugsimi\": 0.6505306363105774, \"slug\": 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