{"id":458,"date":"2020-10-05T18:25:08","date_gmt":"2020-10-05T15:25:08","guid":{"rendered":"https:\/\/oldsite.greenhighlight.gr\/?page_id=458"},"modified":"2025-07-13T23:42:35","modified_gmt":"2025-07-13T20:42:35","slug":"ti-einai-ta-loumen","status":"publish","type":"page","link":"https:\/\/oldsite.greenhighlight.gr\/en\/ti-einai-ta-loumen\/","title":{"rendered":"What are Lumens\/Lumens"},"content":{"rendered":"<h2 style=\"text-align: center;\"><span style=\"font-size: 130%;\">What are Lumens\/Lumens<\/span><\/h2>\n\t<section class=\"section\" id=\"section_2084996247\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row align-center\"  id=\"row-1322732675\">\n\n\n\t<div id=\"col-1218879608\" class=\"col medium-4 small-10 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h4><span style=\"font-size: 150%;\">The Lumen<\/br> (symbol: lm) (Lumens)<br \/>\n<\/span><\/h4>\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1218879608 > .col-inner {\n  padding: 0px 40px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-1259289699\" class=\"col medium-8 small-10 large-8\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p>Is the SI unit (International System \u2013 International Metric). It measures the power of light as perceived by the human eye. The luminous flux differs from the radiation flux, and measures the total output of the light. The Lumen is defined in relation to the Candela.\u2028lm = cd X sr (where sr = solid angle).<br \/>lm = cd X sr (where sr = solid angle).<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_2084996247 {\n  padding-top: 20px;\n  padding-bottom: 20px;\n}\n#section_2084996247 .ux-shape-divider--top svg {\n  height: 150px;\n  --divider-top-width: 100%;\n}\n#section_2084996247 .ux-shape-divider--bottom svg {\n  height: 150px;\n  --divider-width: 100%;\n}\n<\/style>\n\t<\/section>\n\t\n\t<section class=\"section dark\" id=\"section_611493541\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row align-center\"  id=\"row-102437331\">\n\n\n\t<div id=\"col-580855513\" class=\"col medium-4 small-10 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h4><span style=\"font-size: 150%;\">The Lux <\/br>(symbol: lx) (Lux)<\/p>\n<p><\/span><\/h4>\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-580855513 > .col-inner {\n  padding: 0px 40px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-1982202509\" class=\"col medium-8 small-10 large-8\"  >\n\t\t\t\t<div class=\"col-inner dark\"  >\n\t\t\t\n\t\t\t\n\n<div style=\"color:#fff\">Is the SI unit (International System \u2013 International Metric System) lighting and light emission. Used in photometry as a measure of light intensity, which falls or passes to a surface, per square meter, as perceived by the human eye.\u00a0<\/div>\n<div style=\"color:#fff\">lux = lm\/m\u00b2<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_611493541 {\n  padding-top: 20px;\n  padding-bottom: 20px;\n  background-color: rgb(178, 225, 134);\n}\n#section_611493541 .ux-shape-divider--top svg {\n  height: 150px;\n  --divider-top-width: 100%;\n}\n#section_611493541 .ux-shape-divider--bottom svg {\n  height: 150px;\n  --divider-width: 100%;\n}\n<\/style>\n\t<\/section>\n\t\n\t<section class=\"section\" id=\"section_1772773088\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row align-center\"  id=\"row-1183366576\">\n\n\n\t<div id=\"col-1542663092\" class=\"col medium-4 small-10 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h4><span style=\"font-size: 150%;\">The Kelvin<\/br>(symbol: K) (Kelvin).<\/p>\n<p><\/span><\/h4>\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1542663092 > .col-inner {\n  padding: 0px 40px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-1409893764\" class=\"col medium-8 small-10 large-8\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<div>The variation in color of the cooler and a warmer color temperature, is known as the Kelvin scale. The colder the colors the higher the color temperature, and the lower the color, the color temperature is lowered.<\/div>\n<div>Due to different materials, light sources emit light of different colors. This is measured in Kelvin degrees and practically shows how hot (in yellow) or cold (in blue) is the color emitted by the respective light source.<br \/>Warm white, Soft white, Warm white \u2264 3,000K<br \/>White, Bright White, White &gt;3.500\u039a<br \/>Cool white, Cold White&gt; 4.000K<br \/>Daylight, Daylight \u22655.000K<br \/>An incandescent lamp has a light, whose temperature usually ranges between 2700K and 3300K.<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1772773088 {\n  padding-top: 20px;\n  padding-bottom: 20px;\n}\n#section_1772773088 .ux-shape-divider--top svg {\n  height: 150px;\n  --divider-top-width: 100%;\n}\n#section_1772773088 .ux-shape-divider--bottom svg {\n  height: 150px;\n  --divider-width: 100%;\n}\n<\/style>\n\t<\/section>","protected":false},"excerpt":{"rendered":"<p>What are Lumens\/Lumens<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-458","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/oldsite.greenhighlight.gr\/en\/wp-json\/wp\/v2\/pages\/458","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oldsite.greenhighlight.gr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/oldsite.greenhighlight.gr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/oldsite.greenhighlight.gr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oldsite.greenhighlight.gr\/en\/wp-json\/wp\/v2\/comments?post=458"}],"version-history":[{"count":9,"href":"https:\/\/oldsite.greenhighlight.gr\/en\/wp-json\/wp\/v2\/pages\/458\/revisions"}],"predecessor-version":[{"id":480,"href":"https:\/\/oldsite.greenhighlight.gr\/en\/wp-json\/wp\/v2\/pages\/458\/revisions\/480"}],"wp:attachment":[{"href":"https:\/\/oldsite.greenhighlight.gr\/en\/wp-json\/wp\/v2\/media?parent=458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}