{"id":14026,"date":"2023-10-16T02:00:09","date_gmt":"2023-10-16T02:00:09","guid":{"rendered":"https:\/\/www.rayzeek.com\/?p=14026"},"modified":"2023-12-26T08:43:19","modified_gmt":"2023-12-26T08:43:19","slug":"what-is-kelvin-k","status":"publish","type":"post","link":"https:\/\/www.rayzeek.com\/fr\/glossaire\/quest-ce-que-kelvin-k","title":{"rendered":"Qu'est-ce que le Kelvin (K) ?"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-what-is-kelvin-k\">Qu'est-ce que le Kelvin (K) ?<\/h2><p>Le kelvin (K) est l'unit\u00e9 SI de temp\u00e9rature thermodynamique et est couramment utilis\u00e9 pour mesurer la temp\u00e9rature de la lumi\u00e8re. Il s'agit d'une \u00e9chelle de temp\u00e9rature absolue qui commence \u00e0 0 kelvin, ce qui repr\u00e9sente le z\u00e9ro absolu, le point o\u00f9 tout syst\u00e8me thermodynamique est \u00e0 son \u00e9nergie la plus basse et o\u00f9 toutes les particules ont l'\u00e9nergie cin\u00e9tique la plus faible. Contrairement aux unit\u00e9s de temp\u00e9rature Fahrenheit et Celsius, l'unit\u00e9 kelvin n'est pas exprim\u00e9e en degr\u00e9s car il s'agit d'une \u00e9chelle absolue. Cependant, un changement d'un seul degr\u00e9 Celsius correspond \u00e0 la m\u00eame quantit\u00e9 de temp\u00e9rature qu'un kelvin.<\/p><p>L'\u00e9chelle de Kelvin a \u00e9t\u00e9 con\u00e7ue par William Thomson, \u00e9galement connu sous le nom de Lord Kelvin, un scientifique et inventeur britannique. Elle est formellement d\u00e9finie comme 1\/273,16 (3,6609 \u00d7 10 -3) de la temp\u00e9rature thermodynamique du point triple de l'eau. Le point triple de l'eau est la temp\u00e9rature et la pression auxquelles l'eau peut coexister dans les trois phases : solide, liquide et gazeuse.<\/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>Dans l'industrie de l'\u00e9clairage, le terme \"Kelvin (K)\" est couramment utilis\u00e9 pour sp\u00e9cifier la temp\u00e9rature de couleur des sources lumineuses. Diff\u00e9rentes temp\u00e9ratures de couleur sont associ\u00e9es \u00e0 diff\u00e9rents types d'\u00e9clairage et peuvent avoir un impact significatif sur l'humeur, l'ambiance et la fonctionnalit\u00e9 d'un espace. Par exemple, les temp\u00e9ratures de couleur plus basses (environ 2700K-3000K) sont souvent utilis\u00e9es dans les environnements r\u00e9sidentiels pour cr\u00e9er une atmosph\u00e8re chaleureuse et confortable, tandis que les temp\u00e9ratures de couleur plus \u00e9lev\u00e9es (environ 5000K-6500K) sont couramment utilis\u00e9es dans les environnements commerciaux et industriels pour fournir un \u00e9clairage lumineux et proche de la lumi\u00e8re du jour.<\/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><p>L'\u00e9chelle de Kelvin est une \u00e9chelle absolue, ce qui signifie qu'elle n'a pas de valeurs n\u00e9gatives. \u00c9tant donn\u00e9 que la temp\u00e9rature mesure l'\u00e9nergie des mol\u00e9cules et des atomes, qui ne peuvent pas avoir d'\u00e9nergie n\u00e9gative, toute \u00e9chelle de temp\u00e9rature pr\u00e9cise doit \u00eatre positive. Par cons\u00e9quent, il n'existe pas de chiffre kelvin inf\u00e9rieur \u00e0 z\u00e9ro.<\/p>","protected":false},"excerpt":{"rendered":"<p>Le kelvin (K) est l'unit\u00e9 SI de temp\u00e9rature thermodynamique et est couramment utilis\u00e9 pour mesurer la temp\u00e9rature de la lumi\u00e8re. Il s'agit d'une \u00e9chelle de temp\u00e9rature absolue qui commence \u00e0 0 kelvin, ce qui repr\u00e9sente le z\u00e9ro absolu, le point o\u00f9 tout syst\u00e8me thermodynamique est \u00e0 son \u00e9nergie la plus basse et o\u00f9 toutes les particules ont l'\u00e9nergie cin\u00e9tique la plus faible.<\/p>","protected":false},"author":4,"featured_media":12789,"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\": \"color temperature of light sources\", \"idxall\": 0, \"keywordtitlesimi\": 0.8560412526130676, \"keywordslugsimi\": 0.8560412526130676, \"paratitlesimi\": 0.7818446159362793, \"paraslugsimi\": 0.7818446159362793, \"slug\": \"what-is-color-temperature\", \"title\": \"What is Color Temperature\", \"id\": 12945}, {\"keyword\": \"Kelvin scale\", \"idxall\": 1, \"keywordtitlesimi\": 0.8481647968292236, \"keywordslugsimi\": 0.8481647968292236, \"paratitlesimi\": 0.7735044956207275, \"paraslugsimi\": 0.7735044956207275, \"slug\": \"what-is-kelvin\", \"title\": \"What is Kelvin\", \"id\": 13841}, {\"keyword\": \"Kelvin scale\", \"idxall\": 0, \"keywordtitlesimi\": 0.8481647968292236, \"keywordslugsimi\": 0.8481647968292236, \"paratitlesimi\": 0.7590035796165466, \"paraslugsimi\": 0.7590035796165466, \"slug\": \"what-is-kelvin\", \"title\": \"What is Kelvin\", \"id\": 13841}, {\"keyword\": \"higher color temperatures\", \"idxall\": 0, \"keywordtitlesimi\": 0.8383042812347412, \"keywordslugsimi\": 0.8383042812347412, \"paratitlesimi\": 0.7818446159362793, \"paraslugsimi\": 0.7818446159362793, \"slug\": \"what-is-color-temperature\", \"title\": \"What is Color Temperature\", \"id\": 12945}, {\"keyword\": \"Kelvin scale\", \"idxall\": 1, \"keywordtitlesimi\": 0.8127419948577881, \"keywordslugsimi\": 0.8009968400001526, \"paratitlesimi\": 0.7495874166488647, \"paraslugsimi\": 0.733014702796936, \"slug\": \"what-is-kelvin-temperature-k\", \"title\": \"What is Kelvin Temperature (K)\", \"id\": 14017}, {\"keyword\": \"Kelvin scale\", \"idxall\": 0, \"keywordtitlesimi\": 0.8127419948577881, \"keywordslugsimi\": 0.8009968400001526, \"paratitlesimi\": 0.7247284054756165, \"paraslugsimi\": 0.7132139801979065, \"slug\": \"what-is-kelvin-temperature-k\", \"title\": \"What is Kelvin Temperature (K)\", \"id\": 14017}, {\"keyword\": \"Lord Kelvin\", \"idxall\": 0, \"keywordtitlesimi\": 0.7988402247428894, \"keywordslugsimi\": 0.7988402247428894, \"paratitlesimi\": 0.7590035796165466, \"paraslugsimi\": 0.7590035796165466, \"slug\": \"what-is-kelvin\", \"title\": \"What is Kelvin\", \"id\": 13841}, {\"keyword\": \"bright and daylight-like lighting\", \"idxall\": 0, \"keywordtitlesimi\": 0.7948785692453385, \"keywordslugsimi\": 0.7948785692453385, \"paratitlesimi\": 0.5974433720111847, \"paraslugsimi\": 0.5974433720111847, \"slug\": \"bedroom-with-perfect-lighting\", \"title\": \"Bedroom With Perfect Lighting\", \"id\": 11106}, {\"keyword\": \"below-zero kelvin figure\", \"idxall\": 0, \"keywordtitlesimi\": 0.7620147466659546, \"keywordslugsimi\": 0.7556009292602539, \"paratitlesimi\": 0.7495874166488647, \"paraslugsimi\": 0.733014702796936, \"slug\": \"what-is-kelvin-temperature-k\", \"title\": \"What is Kelvin Temperature (K)\", \"id\": 14017}, {\"keyword\": \"mood\", \"idxall\": 0, \"keywordtitlesimi\": 0.7528807520866394, \"keywordslugsimi\": 0.7528807520866394, \"paratitlesimi\": 0.6421340703964233, \"paraslugsimi\": 0.6421340703964233, \"slug\": \"what-is-mood-lighting\", \"title\": \"What is Mood Lighting\", \"id\": 14016}]","article_topic":"","article_fact_check":"","mt_social_share":"","mt_content_meta":"","mt_glossary_display":"","glossary_heading":"","glossary":"Kelvin (K)","glossary_alter":"","glossary_def":"","article_task":"","footnotes":""},"categories":[102],"tags":[99],"class_list":["post-14026","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 Kelvin (K) - Rayzeek<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rayzeek.com\/fr\/glossaire\/quest-ce-que-kelvin-k\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is Kelvin (K) - Rayzeek\" \/>\n<meta property=\"og:description\" content=\"Kelvin (K) is the SI unit of thermodynamic temperature and is commonly used to measure the temperature of light. 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