{"id":1496,"date":"2025-07-13T10:56:00","date_gmt":"2025-07-13T07:56:00","guid":{"rendered":"https:\/\/pelsan.com.tr\/blog\/?p=1496"},"modified":"2025-12-29T11:25:05","modified_gmt":"2025-12-29T08:25:05","slug":"isik-siddeti-kandela-nedir","status":"publish","type":"post","link":"https:\/\/pelsan.com.tr\/blog\/isik-siddeti-kandela-nedir\/","title":{"rendered":"I\u015f\u0131k \u015eiddeti (Kandela) Nedir?"},"content":{"rendered":"\n<p><strong>I\u015f\u0131k \u015fiddeti nedir<\/strong> sorusuna yan\u0131t verirken, \u00f6ncelikle bilimsel tan\u0131m\u0131n\u0131 yapmak gerekir. I\u015f\u0131k \u015fiddeti, bir <a href=\"https:\/\/pelsan.com.tr\/isik-nedir\">\u0131\u015f\u0131k<\/a> kayna\u011f\u0131ndan belirli bir y\u00f6ne yay\u0131lan \u0131\u015f\u0131k miktar\u0131n\u0131 ifade eder. Uluslararas\u0131 Birim Sistemi&#8217;nde (SI), birimi kandela (cd) olarak tan\u0131mlanm\u0131\u015ft\u0131r. Kandela, bir mum \u015feklinde yay\u0131lan \u0131\u015f\u0131\u011f\u0131 temsilen kullan\u0131l\u0131r ve g\u00f6zle alg\u0131lanabilen \u0131\u015f\u0131k miktar\u0131n\u0131 \u00f6l\u00e7mek i\u00e7in \u00f6nemlidir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>I\u015f\u0131k \u015eiddeti Sembol\u00fc Nedir?<\/strong><\/h2>\n\n\n\n<p>I\u015f\u0131k \u015fiddetinin sembol\u00fc genellikle \u201c<strong>I<\/strong>\u201d harfiyle ifade edilir. Bu sembol, fiziksel hesaplamalarda ve form\u00fcllerde kullan\u0131l\u0131r. \u0130lgili form\u00fcllerde, \u015eiddet birimi olan kandela ile birlikte, bir \u0131\u015f\u0131k kayna\u011f\u0131n\u0131n yay\u0131n\u0131m performans\u0131n\u0131 anlamak i\u00e7in \u00e7o\u011fu zaman <strong>ayd\u0131nlanma \u015fiddeti form\u00fcl\u00fc<\/strong> ile birle\u015ftirilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>I\u015f\u0131k \u015eiddeti Nas\u0131l Hesaplan\u0131r?<\/strong><\/h2>\n\n\n\n<p>I\u015f\u0131k \u015fiddeti hesaplan\u0131rken, \u0131\u015f\u0131k kayna\u011f\u0131ndan yay\u0131lan toplam \u0131\u015f\u0131k enerjisi ve bu enerjinin y\u00f6nlendirildi\u011fi a\u00e7\u0131 dikkate al\u0131n\u0131r. Hesaplama \u015fu form\u00fclle yap\u0131l\u0131r:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>I = \u03a6 \/ \u03a9<\/li>\n\n\n\n<li>I: I\u015f\u0131k \u015fiddeti (kandela)<\/li>\n\n\n\n<li>\u03a6: I\u015f\u0131k ak\u0131s\u0131 (l\u00fcmen)<\/li>\n\n\n\n<li>\u03a9: Kat\u0131 a\u00e7\u0131 (steradyan)<\/li>\n<\/ul>\n\n\n\n<p>Bu form\u00fcl, belirli bir y\u00f6nde yay\u0131lan \u0131\u015f\u0131\u011f\u0131n yo\u011funlu\u011funu anlamak i\u00e7in kullan\u0131l\u0131r.<\/p>\n\n\n\n<p>\u0130\u015flem sonucunda elde edilen de\u011fer, \u0131\u015f\u0131\u011f\u0131n belirli bir y\u00f6nde ne kadar yo\u011fun oldu\u011funu g\u00f6sterir. Bu, pratikte <strong>ayd\u0131nlanma \u015fiddeti<\/strong> hesaplamalar\u0131nda da kullan\u0131l\u0131r.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>I\u015f\u0131k \u015eiddeti ve Kullan\u0131m Alanlar\u0131<\/strong><\/h2>\n\n\n\n<p><strong>I\u015f\u0131k \u015fiddeti<\/strong> farkl\u0131 alanlarda \u00e7e\u015fitli \u00e7\u00f6z\u00fcmler sunar. <a href=\"https:\/\/pelsan.com.tr\/ic-mekan-aydinlatma-armaturleri\">Ev i\u00e7i ayd\u0131nlatma<\/a>dan <a href=\"https:\/\/pelsan.com.tr\/endustriyel-armaturler\" data-internallinksmanager029f6b8e52c=\"13\" title=\"end\u00fcstriyel\">end\u00fcstriyel<\/a> alanlara kadar geni\u015f bir yelpazede kullan\u0131l\u0131r. \u0130\u015fte kullan\u0131m alanlar\u0131ndan baz\u0131lar\u0131:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ev Ayd\u0131nlatmas\u0131<\/strong>: Rahat bir atmosfer olu\u015fturmak i\u00e7in.<\/li>\n\n\n\n<li><strong>End\u00fcstriyel Alanlar<\/strong>: \u00c7al\u0131\u015fma verimlili\u011fini artt\u0131rmak i\u00e7in.<\/li>\n\n\n\n<li><strong>T\u0131p ve Bilimsel Ara\u015ft\u0131rmalar<\/strong>: Hassas deneyler veya tedavilerde kullan\u0131l\u0131r.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>S\u0131k\u00e7a Sorulan Sorular<\/strong><\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1737446090429\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong>I\u015f\u0131k \u015fiddeti \u00f6l\u00e7\u00fcm cihazlar\u0131 nelerdir?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p><strong>I\u015f\u0131k \u015fiddeti neyle \u00f6l\u00e7\u00fcl\u00fcr<\/strong> sorusuna cevap olarak, temel \u00f6l\u00e7\u00fcm cihazlar\u0131 \u0131\u015f\u0131k \u00f6l\u00e7erlerdir (luxmetre). Bu cihazlar, ortamda bulunan \u0131\u015f\u0131\u011f\u0131 l\u00fcmen cinsinden \u00f6l\u00e7erek hesaplama yapmaya yard\u0131mc\u0131 olur.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1737446105368\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong>I\u015f\u0131k \u015fiddeti ile l\u00fcmen aras\u0131ndaki fark nedir?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>I\u015f\u0131k \u015eiddeti (Kandela): Belirli bir y\u00f6nde yay\u0131lan \u0131\u015f\u0131\u011f\u0131n yo\u011funlu\u011funu ifade eder.<br \/>L\u00fcmen (lm): I\u015f\u0131k kayna\u011f\u0131n\u0131n her y\u00f6nde yayd\u0131\u011f\u0131 toplam \u0131\u015f\u0131k miktar\u0131n\u0131 ifade eder.<br \/>K\u0131saca, kandela y\u00f6nlendirilmi\u015f \u0131\u015f\u0131k yo\u011funlu\u011funu, l\u00fcmen ise toplam \u0131\u015f\u0131k ak\u0131s\u0131n\u0131 \u00f6l\u00e7er.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1737446113683\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong>Farkl\u0131 kaynaklar\u0131n I\u015f\u0131k \u015fiddeti nas\u0131l kar\u015f\u0131la\u015ft\u0131r\u0131l\u0131r?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Farkl\u0131 kaynaklar\u0131n \u0131\u015f\u0131k \u015fiddetini kar\u015f\u0131la\u015ft\u0131rmak i\u00e7in, ayn\u0131 kat\u0131 a\u00e7\u0131 ve \u00f6l\u00e7\u00fcm mesafesinde \u0131\u015f\u0131k \u00f6l\u00e7\u00fcm cihazlar\u0131 kullan\u0131l\u0131r. \u00d6rne\u011fin, bir LED kayna\u011f\u0131n <strong>led ballast<\/strong> ile desteklenmi\u015f olmas\u0131, enerji verimlili\u011fini de\u011ferlendirmede kritik bir rol oynar.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1737446120113\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong>I\u015f\u0131k \u015eiddetinin Kullan\u0131m Alanlar\u0131 Nelerdir?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>I\u015f\u0131k \u015fiddeti, \u00e7e\u015fitli sekt\u00f6rlerde ve uygulamalarda \u00f6nemli bir role sahiptir:<br \/>Ayd\u0131nlatma Tasar\u0131m\u0131: Mek\u00e2nlar\u0131n do\u011fru \u0131\u015f\u0131kland\u0131r\u0131lmas\u0131 i\u00e7in.<br \/>G\u00f6rsel Ergonomi: \u0130nsan g\u00f6z\u00fcn\u00fcn rahat alg\u0131layabilece\u011fi seviyede ayd\u0131nlatma sa\u011flamak i\u00e7in.<br \/>G\u00fcvenlik Uygulamalar\u0131: Trafik <a href=\"https:\/\/pelsan.com.tr\/lambalar\" data-internallinksmanager029f6b8e52c=\"25\" title=\"lamba\">lambalar<\/a>\u0131, havaalan\u0131 \u0131\u015f\u0131klar\u0131 gibi kritik alanlarda.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1737446135967\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong>I\u015f\u0131k \u015eiddetinin \u0130nsan G\u00f6z\u00fcndeki Etkisi Nedir?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>I\u015f\u0131k \u015fiddeti, insan g\u00f6z\u00fcn\u00fcn \u0131\u015f\u0131\u011f\u0131 alg\u0131lama bi\u00e7imini do\u011frudan etkiler. I\u015f\u0131k \u015fiddeti, g\u00f6z yorgunlu\u011fu veya rahats\u0131zl\u0131\u011f\u0131n\u0131 etkileyebilir. A\u015f\u0131r\u0131 parlakl\u0131k, g\u00f6zde y\u0131pranmaya neden olabilirken, yetersiz \u0131\u015f\u0131k da g\u00f6rme performans\u0131n\u0131 azaltabilir. Bu nedenle, \u0131\u015f\u0131k \u015fiddetinin ideal seviyede olmas\u0131 \u00f6nemlidir.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>I\u015f\u0131k \u015fiddeti nedir sorusuna yan\u0131t verirken, \u00f6ncelikle bilimsel tan\u0131m\u0131n\u0131 yapmak gerekir. I\u015f\u0131k \u015fiddeti, bir \u0131\u015f\u0131k kayna\u011f\u0131ndan belirli bir y\u00f6ne&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1522,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1496","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-genel"],"taxonomy_info":{"category":[{"value":1,"label":"Genel"}]},"featured_image_src_large":["https:\/\/pelsan.com.tr\/blog\/wp-content\/uploads\/2025\/01\/isik-siddeti-1024x576.jpg",1024,576,true],"author_info":{"display_name":"Pelsan","author_link":"https:\/\/pelsan.com.tr\/blog\/author\/oscar\/"},"comment_info":0,"category_info":[{"term_id":1,"name":"Genel","slug":"genel","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":73,"filter":"raw","cat_ID":1,"category_count":73,"category_description":"","cat_name":"Genel","category_nicename":"genel","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/pelsan.com.tr\/blog\/wp-json\/wp\/v2\/posts\/1496","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pelsan.com.tr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pelsan.com.tr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pelsan.com.tr\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pelsan.com.tr\/blog\/wp-json\/wp\/v2\/comments?post=1496"}],"version-history":[{"count":1,"href":"https:\/\/pelsan.com.tr\/blog\/wp-json\/wp\/v2\/posts\/1496\/revisions"}],"predecessor-version":[{"id":1497,"href":"https:\/\/pelsan.com.tr\/blog\/wp-json\/wp\/v2\/posts\/1496\/revisions\/1497"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pelsan.com.tr\/blog\/wp-json\/wp\/v2\/media\/1522"}],"wp:attachment":[{"href":"https:\/\/pelsan.com.tr\/blog\/wp-json\/wp\/v2\/media?parent=1496"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pelsan.com.tr\/blog\/wp-json\/wp\/v2\/categories?post=1496"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pelsan.com.tr\/blog\/wp-json\/wp\/v2\/tags?post=1496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}