{"id":13562,"date":"2023-08-07T06:45:26","date_gmt":"2023-08-07T06:45:26","guid":{"rendered":"https:\/\/www.rayzeek.com\/?p=13562"},"modified":"2023-12-26T08:38:42","modified_gmt":"2023-12-26T08:38:42","slug":"what-is-illuminance","status":"publish","type":"post","link":"https:\/\/www.rayzeek.com\/cs\/glosar\/co-je-to-osvetlenost","title":{"rendered":"Co je iluminance"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-what-is-illuminance\">Co je iluminance<\/h2><p>Osv\u011btlenost m\u011b\u0159\u00ed intenzitu nebo mno\u017estv\u00ed sv\u011btla, kter\u00e9 dopad\u00e1 na ur\u010ditou plochu. Je to m\u00edra sv\u011btla, kter\u00e9 dopad\u00e1 na dan\u00fd povrch, nap\u0159\u00edklad na st\u011bnu nebo st\u016fl. Osv\u011btlenost z\u00e1vis\u00ed sp\u00ed\u0161e na plo\u0161e, na kterou sv\u011btlo dopad\u00e1, ne\u017e na v\u00fdkonu samotn\u00e9ho zdroje sv\u011btla. Hodnota osv\u011btlenosti je ovlivn\u011bna vzd\u00e1lenost\u00ed mezi zdrojem sv\u011btla a plochou povrchu. Pokud je plocha bl\u00ed\u017ee ke zdroji sv\u011btla, bude hodnota osv\u011btlenosti vy\u0161\u0161\u00ed. Naopak, kdy\u017e se plocha povrchu vzdaluje od zdroje sv\u011btla, hodnota osv\u011btlenosti kles\u00e1. Tento vztah umo\u017e\u0148uje, aby osv\u011btlenost poskytovala p\u0159ibli\u017en\u00fd \u00fadaj o intenzit\u011b sv\u011bteln\u00e9ho zdroje p\u0159i porovn\u00e1n\u00ed osv\u011btlenosti dvou sv\u011btel na stejn\u00e9 plo\u0161e ze stejn\u00e9 vzd\u00e1lenosti. Osv\u011btlenost nem\u011b\u0159\u00ed p\u0159\u00edmo schopnost sv\u011bteln\u00e9ho zdroje produkovat sv\u011btlo. M\u00edsto toho kvantifikuje mno\u017estv\u00ed sv\u011btla, kter\u00e9 dopad\u00e1 na ur\u010dit\u00fd povrch. Porovn\u00e1n\u00edm hodnot osv\u011btlenosti r\u016fzn\u00fdch sv\u011bteln\u00fdch zdroj\u016f na stejn\u00e9 plo\u0161e lze z\u00edskat p\u0159edstavu o celkov\u00e9 intenzit\u011b ka\u017ed\u00e9ho sv\u011bteln\u00e9ho zdroje.<\/p><div class=\"insert_inquiry_outer_wrapper\"><h3>Hled\u00e1te \u0159e\u0161en\u00ed \u00faspory energie aktivovan\u00e9 pohybem?<\/h3><p>Obra\u0165te se na n\u00e1s pro kompletn\u00ed PIR senzory pohybu, produkty pro \u00fasporu energie aktivovan\u00e9 pohybem, sp\u00edna\u010de se senzorem pohybu a komer\u010dn\u00ed \u0159e\u0161en\u00ed pro detekci p\u0159\u00edtomnosti\/volnosti.<\/p><div class = \"insert_inquiry_buttons\"><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_email\"><div><a href = \"mailto:info@rayzeek.com\"><p>Odeslat e-mail<\/p><\/a><\/div><\/div><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_email_contact\"><div><a href=\"https:\/\/www.rayzeek.com\/cs\/kontakt\"><p>Kontaktn\u00ed formul\u00e1\u0159<\/p><\/a><\/div><\/div><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_chat chat_jump\"><div><a href=\"#\"><p>Chat Online<\/p><\/a><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Osv\u011btlenost m\u011b\u0159\u00ed intenzitu nebo mno\u017estv\u00ed sv\u011btla, kter\u00e9 dopad\u00e1 na ur\u010ditou plochu. Je to m\u00edra sv\u011btla, kter\u00e9 dopad\u00e1 na dan\u00fd povrch, nap\u0159\u00edklad na st\u011bnu nebo st\u016fl.<\/p>","protected":false},"author":4,"featured_media":12866,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"[]","article_topic":"","article_fact_check":"","mt_social_share":"","mt_content_meta":"","mt_glossary_display":"","glossary_heading":"","glossary":"Illuminance","glossary_alter":"","glossary_def":"","article_task":"","footnotes":""},"categories":[102],"tags":[99],"class_list":["post-13562","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 Illuminance - 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\/cs\/glosar\/co-je-to-osvetlenost\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is Illuminance - Rayzeek\" \/>\n<meta property=\"og:description\" content=\"Illuminance measures the intensity or amount of light that falls onto a surface area. 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