{"id":2721,"date":"2026-10-13T23:25:31","date_gmt":"2026-10-13T14:25:31","guid":{"rendered":"https:\/\/steelcrucian.com\/?p=2721"},"modified":"2026-10-13T23:25:33","modified_gmt":"2026-10-13T14:25:33","slug":"iec-62471-blue-light-hazard","status":"publish","type":"post","link":"https:\/\/steelcrucian.com\/iec-62471-blue-light-hazard\/","title":{"rendered":"\ud83e\uddec \uad11\uc0dd\ubb3c\ud559\uc801 \uc548\uc804\uc131(IEC 62471)\uacfc \ube14\ub8e8\ub77c\uc774\ud2b8 \u2013 \uc131\uc801\uc11c\uc758 \u2018RG0\u00b7RG1\u2019\uc740 \ubb34\uc2a8 \ub73b\uc77c\uae4c"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">LED \uc870\uba85 \uc2dc\ud5d8\uc131\uc801\uc11c\ub97c \uc5f4\uc5c8\ub354\ub2c8 &#8216;RG1&#8217;\uc774\ub77c\ub294 \uae00\uc790\uac00 \ubcf4\uc785\ub2c8\ub2e4. \ub9c8\uce68 \uc2a4\ub9c8\ud2b8\ud3f0\uc744 \ubcf4\ub2e4\uac00 &#8220;\ube14\ub8e8\ub77c\uc774\ud2b8\uac00 \ub208\uc5d0 \uc548 \uc88b\ub2e4&#8221;\ub294 \ub9d0\ub3c4 \ub4e4\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \ub458\uc740 \uac19\uc740 \uc774\uc57c\uae30\uc77c\uae4c\uc694? \ud575\uc2ec\ub9cc \ub9d0\ud558\uba74, RG\ub294 &#8216;Risk Group(\uc704\ud5d8\uad70)&#8217;\uc758 \uc57d\uc790\ub85c IEC 62471\uc774 \uad11\uc6d0\uc758 \uccad\uc0c9\uad11 \uc704\ud5d8\uc744 4\ub2e8\uacc4\ub85c \ub098\ub208 \ub4f1\uae09\uc785\ub2c8\ub2e4. RG0\u00b7RG1\uc740 \uaddc\uaca9\uc0c1 \uc548\uc804\ud55c \ubc94\uc8fc\uc774\uace0, \ub208 \ud53c\ub85c\ub098 \uc218\uba74\uae4c\uc9c0 \ubcf4\uc99d\ud558\ub294 \uc22b\uc790\ub294 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uae00\uc5d0\uc11c\ub294 \uc704\ud5d8\uad70\uc774 \ubb34\uc5c7\uc73c\ub85c \uac08\ub9ac\ub294\uc9c0, \uce21\uc815 \uc870\uac74\uc740 \uc5b4\ub5bb\uac8c \uc815\ud574\uc9c0\ub294\uc9c0, \uc131\uc801\uc11c\uc640 &#8216;\ube14\ub8e8\ub77c\uc774\ud2b8 \ucc28\ub2e8&#8217; \uad11\uace0\ub97c \uc5b4\ub5bb\uac8c \uad6c\ubd84\ud574 \uc77d\ub294\uc9c0 \uc815\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udccc <strong>\uc2dc\ub9ac\uc988 \uc704\uce58<\/strong> \u2014 \uad11\ud559 \uc2dc\ub9ac\uc988 8\ub2e8\uacc4 &#8216;\uaddc\uaca9\u00b7\uc548\uc804&#8217;\uc758 \uccab \ubc88\uc9f8 \uae00\uc785\ub2c8\ub2e4. \uc774\uc804 \uae00: <a href=\"https:\/\/steelcrucian.com\/vision-lighting-uniformity-repeatability\/\">\ube44\uc804 \uc870\uba85 \uade0\uc77c\ub3c4\uc640 \ubc18\ubcf5\uc131<\/a> \/ \ub2e4\uc74c \uae00: 8\ub2e8\uacc4 \ub450 \ubc88\uc9f8 \uae00<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"614\" src=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/10\/iec62471-01-risk-groups-1024x614.png\" alt=\"\" class=\"wp-image-2722\" srcset=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/10\/iec62471-01-risk-groups-1024x614.png 1024w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/10\/iec62471-01-risk-groups-300x180.png 300w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/10\/iec62471-01-risk-groups-767x460.png 767w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/10\/iec62471-01-risk-groups.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\ubaa9\ucc28 \ud1a0\uae00\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/steelcrucian.com\/iec-62471-blue-light-hazard\/#%F0%9F%94%8D_IEC_62471%EC%9D%80_%EB%AC%B4%EC%97%87%EC%9D%84_%EC%9E%AC%EB%8A%94_%EA%B7%9C%EA%B2%A9%EC%9D%BC%EA%B9%8C\" >\ud83d\udd0d IEC 62471\uc740 \ubb34\uc5c7\uc744 \uc7ac\ub294 \uaddc\uaca9\uc77c\uae4c<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/steelcrucian.com\/iec-62471-blue-light-hazard\/#%EC%B2%AD%EC%83%89%EA%B4%91_%EC%9C%84%ED%97%98%EC%9D%B4%EB%9E%80\" >\uccad\uc0c9\uad11 \uc704\ud5d8\uc774\ub780<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/steelcrucian.com\/iec-62471-blue-light-hazard\/#%F0%9F%A7%AE_%EC%88%AB%EC%9E%90%EB%A1%9C_%EC%9D%BD%EB%8A%94_%EC%9C%84%ED%97%98%EA%B5%B0\" >\ud83e\uddee \uc22b\uc790\ub85c \uc77d\ub294 \uc704\ud5d8\uad70<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/steelcrucian.com\/iec-62471-blue-light-hazard\/#%F0%9F%9B%A0%EF%B8%8F_%EC%84%B1%EC%A0%81%EC%84%9C%EB%A5%BC_%EC%9D%BD%EB%8A%94_%EC%88%9C%EC%84%9C\" >\ud83d\udee0\ufe0f \uc131\uc801\uc11c\ub97c \uc77d\ub294 \uc21c\uc11c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/steelcrucian.com\/iec-62471-blue-light-hazard\/#%E2%9D%8C_%EC%9E%90%EC%A3%BC_%ED%95%98%EB%8A%94_%EC%98%A4%ED%95%B4_3%EA%B0%80%EC%A7%80\" >\u274c \uc790\uc8fc \ud558\ub294 \uc624\ud574 3\uac00\uc9c0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/steelcrucian.com\/iec-62471-blue-light-hazard\/#%EC%98%A4%ED%95%B4_1_RG1%EC%9D%B4%EB%A9%B4_%EB%88%88%EC%97%90_%ED%95%B4%EB%A1%AD%EB%8B%A4\" >\uc624\ud574 1. RG1\uc774\uba74 \ub208\uc5d0 \ud574\ub86d\ub2e4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/steelcrucian.com\/iec-62471-blue-light-hazard\/#%EC%98%A4%ED%95%B4_2_IEC_62471_%EC%84%B1%EC%A0%81%EC%84%9C%EA%B0%80_%EC%9E%88%EC%9C%BC%EB%A9%B4_%EB%88%88_%ED%94%BC%EB%A1%9C%EB%8F%84_%EA%B2%80%EC%A6%9D%EB%90%9C_%EA%B2%83%EC%9D%B4%EB%8B%A4\" >\uc624\ud574 2. IEC 62471 \uc131\uc801\uc11c\uac00 \uc788\uc73c\uba74 \ub208 \ud53c\ub85c\ub3c4 \uac80\uc99d\ub41c \uac83\uc774\ub2e4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/steelcrucian.com\/iec-62471-blue-light-hazard\/#%EC%98%A4%ED%95%B4_3_RG0%EC%9D%B4%EB%A9%B4_%EC%96%B4%EB%96%A4_%EC%82%AC%EC%9A%A9_%EB%B0%A9%EC%8B%9D%EC%97%90%EC%84%9C%EB%8F%84_%EC%95%88%EC%A0%84%ED%95%98%EB%8B%A4\" >\uc624\ud574 3. RG0\uc774\uba74 \uc5b4\ub5a4 \uc0ac\uc6a9 \ubc29\uc2dd\uc5d0\uc11c\ub3c4 \uc548\uc804\ud558\ub2e4<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/steelcrucian.com\/iec-62471-blue-light-hazard\/#%F0%9F%93%8B_%ED%95%9C%EB%88%88%EC%97%90_%EC%A0%95%EB%A6%AC\" >\ud83d\udccb \ud55c\ub208\uc5d0 \uc815\ub9ac<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/steelcrucian.com\/iec-62471-blue-light-hazard\/#%E2%9C%85_%EC%98%A4%EB%8A%98_%EB%B0%94%EB%A1%9C_%ED%99%95%EC%9D%B8%ED%95%B4%EB%B3%BC_%EA%B2%83_3%EA%B0%80%EC%A7%80\" >\u2705 \uc624\ub298 \ubc14\ub85c \ud655\uc778\ud574\ubcfc \uac83 3\uac00\uc9c0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/steelcrucian.com\/iec-62471-blue-light-hazard\/#%F0%9F%93%9A_%ED%95%A8%EA%BB%98_%EC%9D%BD%EC%9C%BC%EB%A9%B4_%EC%A2%8B%EC%9D%80_%EA%B8%80\" >\ud83d\udcda \ud568\uaed8 \uc77d\uc73c\uba74 \uc88b\uc740 \uae00<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%94%8D_IEC_62471%EC%9D%80_%EB%AC%B4%EC%97%87%EC%9D%84_%EC%9E%AC%EB%8A%94_%EA%B7%9C%EA%B2%A9%EC%9D%BC%EA%B9%8C\"><\/span>\ud83d\udd0d IEC 62471\uc740 \ubb34\uc5c7\uc744 \uc7ac\ub294 \uaddc\uaca9\uc77c\uae4c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IEC 62471\uc740 \ub7a8\ud504\uc640 \ub7a8\ud504 \uc2dc\uc2a4\ud15c\uc774 \ub208\uacfc \ud53c\ubd80\uc5d0 \uc8fc\ub294 \uc0dd\ubb3c\ud559\uc801 \uc704\ud5d8, \uc989 \uad11\uc0dd\ubb3c\ud559\uc801 \uc548\uc804\uc131\uc744 \ud3c9\uac00\ud558\ub294 \uad6d\uc81c \uaddc\uaca9\uc785\ub2c8\ub2e4. \uad6d\ub0b4\uc5d0\ub3c4 KS C IEC 62471\ub85c \ub3c4\uc785\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc131\uc801\uc11c\uc5d0\ub294 \uc790\uc678\uc120, \uadfc\uc790\uc678\uc120, \ub9dd\ub9c9 \uccad\uc0c9\uad11, \ub9dd\ub9c9 \uc5f4, \uc801\uc678\uc120 \ud56d\ubaa9\uc774 \ub530\ub85c \ub098\uc624\uace0 \ud56d\ubaa9\ub9c8\ub2e4 Exempt(\uc608\uc678)~RG3\ub85c \ud310\uc815\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%B2%AD%EC%83%89%EA%B4%91_%EC%9C%84%ED%97%98%EC%9D%B4%EB%9E%80\"><\/span>\uccad\uc0c9\uad11 \uc704\ud5d8\uc774\ub780<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>400~500 nm \ube5b\uc774 \ub9dd\ub9c9\uc5d0 \uad11\ud654\ud559\uc801 \uc190\uc0c1\uc744 \uc77c\uc73c\ud0ac \uc218 \uc788\ub2e4\ub294 \uc704\ud5d8\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uacc4\uc0b0\ud560 \ub54c\ub294 \ud30c\uc7a5\ub9c8\ub2e4 &#8216;\uc5bc\ub9c8\ub098 \uc704\ud5d8\ud55c \uc0c9\uc778\uc9c0&#8217;\ub97c \uacf1\ud558\ub294 \uac00\uc911\ud568\uc218 B(\u03bb)\ub97c \uc501\ub2c8\ub2e4. \ubc94\uc704\ub294 300~700 nm\uc774\uace0 \ucd5c\ub313\uac12\uc740 435~440 nm \ubd80\uadfc\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uac00\uc911\ud55c \ubcf5\uc0ac\ud718\ub3c4\uac00 L_B(\uccad\uc0c9\uad11 \ud658\uc0b0 \ubcf5\uc0ac\ud718\ub3c4)\uc774\uba70, \uc774 \uac12 \ud558\ub098\ub85c \uc704\ud5d8\uad70\uc774 \uac08\ub9bd\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>\ud301<\/strong> \u2014 \uac19\uc740 \uc870\ub3c4\ub77c\uba74 \uc0c9\uc628\ub3c4\uac00 \ub192\uc744\uc218\ub85d \uccad\uc0c9\uad11 \uc131\ubd84\uc774 \ub9ce\uc544 L_B\uac00 \ucee4\uc9d1\ub2c8\ub2e4. \uc544\ub798 TR 62778 \ud45c\uc5d0\uc11c \uc0c9\uc628\ub3c4\ub9c8\ub2e4 \uc870\ub3c4 \uc0c1\ud55c\uc774 \ub2e4\ub978 \uc774\uc720\uc785\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%A7%AE_%EC%88%AB%EC%9E%90%EB%A1%9C_%EC%9D%BD%EB%8A%94_%EC%9C%84%ED%97%98%EA%B5%B0\"><\/span>\ud83e\uddee \uc22b\uc790\ub85c \uc77d\ub294 \uc704\ud5d8\uad70<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\ud5c8\uc6a9 \ub178\ucd9c\uc2dc\uac04 t = 1,000,000 \/ L_B   (\ucd08)\n\nL_B =       100  \u2192  t = 10,000 \ucd08  (RG0\/RG1 \uacbd\uacc4)\nL_B =    10,000  \u2192  t =    100 \ucd08  (RG1\/RG2 \uacbd\uacc4)\nL_B = 4,000,000  \u2192  t =   0.25 \ucd08  (RG2\/RG3 \uacbd\uacc4)\n\n\uc608) L_B =  8,000  \u2192  t = 125 \ucd08  \u2192 RG1\n\uc608) L_B = 50,000  \u2192  t =  20 \ucd08  \u2192 RG2\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uc704\ud5d8\uad70<\/th><th>L_B (W\/(m\u00b2\u00b7sr))<\/th><th>\ud5c8\uc6a9 \ub178\ucd9c\uc2dc\uac04<\/th><\/tr><\/thead><tbody><tr><td>RG0 (\uc608\uc678)<\/td><td>100 \uc774\ud558<\/td><td>10,000\ucd08 \ucd08\uacfc<\/td><\/tr><tr><td>RG1 (\uc800\uc704\ud5d8)<\/td><td>100 ~ 10,000<\/td><td>100 ~ 10,000\ucd08<\/td><\/tr><tr><td>RG2 (\uc911\uc704\ud5d8)<\/td><td>10,000 ~ 4,000,000<\/td><td>0.25 ~ 100\ucd08<\/td><\/tr><tr><td>RG3 (\uace0\uc704\ud5d8)<\/td><td>4,000,000 \ucd08\uacfc<\/td><td>0.25\ucd08 \ubbf8\ub9cc<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">0.25\ucd08\ub294 \ub208\uc744 \uac10\uac70\ub098 \uc2dc\uc120\uc744 \ub3cc\ub9ac\ub294 \ud68c\ud53c \ubc18\uc751\uc774 \uc77c\uc5b4\ub098\ub294 \uc2dc\uac04\uc73c\ub85c, RG2\uc640 RG3\uc758 \uacbd\uacc4 \uc870\uac74\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udccc <strong>\uacc4\uc0b0 \uadfc\uac70<\/strong> \u2014 \ud55c\uacc4\uac12\uc740 \uce21\uc815\uae30 \uc81c\uc870\uc0ac(Instrument Systems)\uc758 IEC 62471 \ud574\uc124 \uc790\ub8cc \ud45c\ub97c \ub530\ub790\uace0, t = 1,000,000 \/ L_B\ub85c \uc138 \uacbd\uacc4\uac12\uc744 Python\uc5d0\uc11c \uc5ed\uc0b0\ud574 \uc77c\uce58\ub97c \ud655\uc778\ud588\uc2b5\ub2c8\ub2e4. \uc608\uc2dc\uc758 L_B\ub294 \uc124\uba85\uc6a9 \uac00\uc0c1\uac12\uc785\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%9B%A0%EF%B8%8F_%EC%84%B1%EC%A0%81%EC%84%9C%EB%A5%BC_%EC%9D%BD%EB%8A%94_%EC%88%9C%EC%84%9C\"><\/span>\ud83d\udee0\ufe0f \uc131\uc801\uc11c\ub97c \uc77d\ub294 \uc21c\uc11c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\uce21\uc815 \uac70\ub9ac\ubd80\ud130 \ubd05\ub2c8\ub2e4.<\/strong> \uc77c\ubc18\uc870\uba85\uc6a9 \ub7a8\ud504\ub294 \uc870\ub3c4 500 lx\uac00 \ub418\ub294 \uac70\ub9ac(200 mm\ubcf4\ub2e4 \uac00\uae4c\uc6cc\uc9c0\uba74 \uc548 \ub428), \uadf8 \uc678 \uad11\uc6d0\uc740 200 mm\uc5d0\uc11c \ubcf4\uace0\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc2dc\uc57c\uac01\uc744 \ubd05\ub2c8\ub2e4.<\/strong> \uccad\uc0c9\uad11\uc740 11 mrad \uc2dc\uc57c\uac01\uc73c\ub85c \uc77d\uc73c\uba70, 200 mm\uc5d0\uc11c\ub294 \uc9c0\ub984 \uc57d 2.2 mm \uc601\uc5ed\uc785\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"538\" src=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/10\/iec62471-02-measure-geometry-1024x538.png\" alt=\"\" class=\"wp-image-2723\" srcset=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/10\/iec62471-02-measure-geometry-1024x538.png 1024w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/10\/iec62471-02-measure-geometry-300x158.png 300w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/10\/iec62471-02-measure-geometry-768x403.png 768w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/10\/iec62471-02-measure-geometry.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\uccad\uc0c9\uad11(LB) \ud56d\ubaa9\uc758 \uc704\ud5d8\uad70\uacfc \uce21\uc815\uac12\uc744 \ubd05\ub2c8\ub2e4.<\/strong> Exempt\uc640 RG1\uc740 \uacbd\uace0 \ub77c\ubca8\uc774 \ud544\uc694 \uc5c6\uace0, RG2 \uc774\uc0c1\uc740 \uc81c\ud488 \uaddc\uaca9\uc5d0 \ub530\ub978 \uc870\uce58(\ubcf4\ud1b5 \uacbd\uace0 \ub77c\ubca8)\uac00 \ubd99\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc870\uba85\uae30\uad6c\ub77c\uba74 IEC TR 62778\uc744 \ubd05\ub2c8\ub2e4.<\/strong> \uac00\uc2dc\uad11 \uc870\uba85 \uc81c\ud488\uc5d0 \uccad\uc0c9\uad11 \ud3c9\uac00\ub97c \uc801\uc6a9\ud558\ub294 \ubc29\ubc95\uc744 \uc815\ub9ac\ud55c \uae30\uc220\ubcf4\uace0\uc11c(2014\ub144 \uc81c2\ud310)\ub85c, 200 mm\u00b70.011 rad \uce21\uc815\uc744 \uad8c\uc7a5\ud558\uace0 \uc0c9\uc628\ub3c4\ubcc4 \uac04\uc774 \ud310\uc815\ud45c\ub97c \uc90d\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \uc815\uaca9 5,750~8,000 K\ub294 500 lx \uc774\ud558, 2,350 K \uc774\ud558\ub294 4,000 lx \uc774\ud558\uc77c \ub54c \uce21\uc815 \uc5c6\uc774 RG1 \uc774\ud558\ub85c \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4(\uc548\uc804\uacc4\uc218 2 \ud3ec\ud568).<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"589\" src=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/10\/iec62471-03-cct-limit-1024x589.png\" alt=\"\" class=\"wp-image-2724\" srcset=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/10\/iec62471-03-cct-limit-1024x589.png 1024w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/10\/iec62471-03-cct-limit-300x173.png 300w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/10\/iec62471-03-cct-limit-767x441.png 767w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/10\/iec62471-03-cct-limit.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f <strong>\uc8fc\uc758<\/strong> \u2014 \uc774 \ud45c\uc758 \uac12\uc744 \ub118\uc5c8\ub2e4\uace0 \ubc14\ub85c RG2\ub294 \uc544\ub2d9\ub2c8\ub2e4. \uac04\uc774 \ud310\uc815\uc774 \uc548 \ub418\ub2c8 \uc9c1\uc811 \uce21\uc815\ud558\ub77c\ub294 \ub73b\uc785\ub2c8\ub2e4. \ud45c \uc801\uc6a9 \uc870\uac74\uc758 \uc138\ubd80\ub294 IEC \uc6d0\ubb38\uc73c\ub85c \ud655\uc778\ud558\uc138\uc694.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%9D%8C_%EC%9E%90%EC%A3%BC_%ED%95%98%EB%8A%94_%EC%98%A4%ED%95%B4_3%EA%B0%80%EC%A7%80\"><\/span>\u274c \uc790\uc8fc \ud558\ub294 \uc624\ud574 3\uac00\uc9c0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%98%A4%ED%95%B4_1_RG1%EC%9D%B4%EB%A9%B4_%EB%88%88%EC%97%90_%ED%95%B4%EB%A1%AD%EB%8B%A4\"><\/span>\uc624\ud574 1. RG1\uc774\uba74 \ub208\uc5d0 \ud574\ub86d\ub2e4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">RG1\uc740 &#8216;\uc800\uc704\ud5d8&#8217;\uc774\ub77c\ub294 \uc774\ub984\uc774\uc9c0\ub9cc \uaddc\uaca9\uc0c1 \uc548\uc804\ud55c \ubc94\uc8fc\uc774\uace0 \uacbd\uace0 \ub77c\ubca8\ub3c4 \ud544\uc694 \uc5c6\uc2b5\ub2c8\ub2e4. \uc704\ud5d8\uad70\uc740 \ud574\ub85c\uc6b4\uc9c0 \uc544\ub2cc\uc9c0\uac00 \uc544\ub2c8\ub77c, \ud55c\uacc4\uc5d0 \ub2ff\uae30\uae4c\uc9c0 \uac78\ub9ac\ub294 \uc2dc\uac04\uc73c\ub85c \ub098\ub208 \ub4f1\uae09\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%98%A4%ED%95%B4_2_IEC_62471_%EC%84%B1%EC%A0%81%EC%84%9C%EA%B0%80_%EC%9E%88%EC%9C%BC%EB%A9%B4_%EB%88%88_%ED%94%BC%EB%A1%9C%EB%8F%84_%EA%B2%80%EC%A6%9D%EB%90%9C_%EA%B2%83%EC%9D%B4%EB%8B%A4\"><\/span>\uc624\ud574 2. IEC 62471 \uc131\uc801\uc11c\uac00 \uc788\uc73c\uba74 \ub208 \ud53c\ub85c\ub3c4 \uac80\uc99d\ub41c \uac83\uc774\ub2e4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc131\uc801\uc11c\uc758 \ud56d\ubaa9\uc740 \uc790\uc678\uc120, \uccad\uc0c9\uad11, \ub9dd\ub9c9 \uc5f4, \uc801\uc678\uc120 \uac19\uc740 \uc190\uc0c1 \uc704\ud5d8\uc774\uace0 \ub208 \ud53c\ub85c\ub098 \uc218\uba74\uc740 \uc5c6\uc2b5\ub2c8\ub2e4. \ucc38\uace0\ub85c 2023\ub144 Cochrane \ub9ac\ubdf0(\ubb34\uc791\uc704 \ub300\uc870\uc2dc\ud5d8 17\uac74, \ucc38\uac00\uc790 619\uba85)\ub294 \uccad\uc0c9\uad11 \ucc28\ub2e8 \uc548\uacbd\uc774 \ub514\uc9c0\ud138 \ub208 \ud53c\ub85c\ub97c \uc904\uc778\ub2e4\ub294 \uadfc\uac70\uac00 \ubd80\uc871\ud558\uace0(\ud655\uc2e4\uc131 \ub0ae\uc74c), \uc218\uba74 \ud6a8\uacfc\ub294 \ud310\ub2e8\ud560 \uc218 \uc5c6\ub2e4(\ud655\uc2e4\uc131 \ub9e4\uc6b0 \ub0ae\uc74c)\uace0 \uc815\ub9ac\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%98%A4%ED%95%B4_3_RG0%EC%9D%B4%EB%A9%B4_%EC%96%B4%EB%96%A4_%EC%82%AC%EC%9A%A9_%EB%B0%A9%EC%8B%9D%EC%97%90%EC%84%9C%EB%8F%84_%EC%95%88%EC%A0%84%ED%95%98%EB%8B%A4\"><\/span>\uc624\ud574 3. RG0\uc774\uba74 \uc5b4\ub5a4 \uc0ac\uc6a9 \ubc29\uc2dd\uc5d0\uc11c\ub3c4 \uc548\uc804\ud558\ub2e4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud310\uc815\uc740 \uc815\ud574\uc9c4 \uac70\ub9ac\uc640 \uc2dc\uc57c\uac01 \uc870\uac74\uc5d0\uc11c \ub098\uc628 \uac12\uc785\ub2c8\ub2e4. TR 62778\ub3c4 500 lx \uc870\uac74\uc774 \uc2e4\uc81c \uc0ac\uc6a9\uc744 \ud56d\uc0c1 \ub300\ud45c\ud558\uc9c0\ub294 \uc54a\ub294\ub2e4\uace0 \ubcf4\uace0 200 mm \uce21\uc815\uc744 \uad8c\uc7a5\ud569\ub2c8\ub2e4. \uad11\uc6d0\uc5d0 \ub208\uc744 \ubc14\uc9dd \ub300\ub294 \uc6a9\ub3c4\ub77c\uba74 \uc870\uac74\ubd80\ud130 \ub530\uc838\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%93%8B_%ED%95%9C%EB%88%88%EC%97%90_%EC%A0%95%EB%A6%AC\"><\/span>\ud83d\udccb \ud55c\ub208\uc5d0 \uc815\ub9ac<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uad6c\ubd84<\/th><th>\ud575\uc2ec<\/th><\/tr><\/thead><tbody><tr><td>\uaddc\uaca9<\/td><td>IEC 62471 (\uad6d\ub0b4 KS C IEC 62471)<\/td><\/tr><tr><td>\uccad\uc0c9\uad11 \ubc94\uc704<\/td><td>400~500 nm, B(\u03bb) \ucd5c\ub313\uac12 435~440 nm<\/td><\/tr><tr><td>\uc704\ud5d8\uad70 \uae30\uc900<\/td><td>L_B 100 \/ 10,000 \/ 4,000,000 W\/(m\u00b2\u00b7sr)<\/td><\/tr><tr><td>\ud5c8\uc6a9 \ub178\ucd9c\uc2dc\uac04<\/td><td>t = 1,000,000 \/ L_B<\/td><\/tr><tr><td>\uce21\uc815 \uc870\uac74<\/td><td>\uc77c\ubc18\uc870\uba85 500 lx(200 mm \uc774\uc0c1), \uadf8 \uc678 200 mm, 11 mrad<\/td><\/tr><tr><td>\ub77c\ubca8<\/td><td>Exempt\u00b7RG1\uc740 \ubd88\ud544\uc694<\/td><\/tr><tr><td>\ub208 \ud53c\ub85c\u00b7\uc218\uba74<\/td><td>\uc774 \uaddc\uaca9\uc758 \ud3c9\uac00 \ub300\uc0c1\uc774 \uc544\ub2d8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%9C%85_%EC%98%A4%EB%8A%98_%EB%B0%94%EB%A1%9C_%ED%99%95%EC%9D%B8%ED%95%B4%EB%B3%BC_%EA%B2%83_3%EA%B0%80%EC%A7%80\"><\/span>\u2705 \uc624\ub298 \ubc14\ub85c \ud655\uc778\ud574\ubcfc \uac83 3\uac00\uc9c0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\uac00\uc9c0\uace0 \uc788\ub294 LED \uc870\uba85\u00b7\ubaa8\ub4c8\uc758 \uc2dc\ud5d8\uc131\uc801\uc11c\uc5d0\uc11c \uccad\uc0c9\uad11(LB) \ud56d\ubaa9\uc758 \uc704\ud5d8\uad70\uacfc \uce21\uc815 \uac70\ub9ac\ub97c \ucc3e\uc544\ubcf4\uc138\uc694.<\/li>\n\n\n\n<li>\uc131\uc801\uc11c\uc758 \uce21\uc815 \uac70\ub9ac\uac00 500 lx \uae30\uc900\uc778\uc9c0 200 mm\uc778\uc9c0 \ud655\uc778\ud558\uace0, \uc2e4\uc81c \uc4f0\ub294 \uac70\ub9ac\uc640 \ube44\uad50\ud574 \ubcf4\uc138\uc694.<\/li>\n\n\n\n<li>&#8216;\ube14\ub8e8\ub77c\uc774\ud2b8 \ucc28\ub2e8&#8217;\uc744 \ub0b4\uc138\uc6b4 \uc81c\ud488 \uc124\uba85\uc5d0\uc11c \uadfc\uac70\uac00 IEC 62471 \uc131\uc801\uc11c\uc778\uc9c0, \ub208 \ud53c\ub85c \uc2dc\ud5d8\uc778\uc9c0 \uad6c\ubd84\ud574 \ubcf4\uc138\uc694.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%93%9A_%ED%95%A8%EA%BB%98_%EC%9D%BD%EC%9C%BC%EB%A9%B4_%EC%A2%8B%EC%9D%80_%EA%B8%80\"><\/span>\ud83d\udcda \ud568\uaed8 \uc77d\uc73c\uba74 \uc88b\uc740 \uae00<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/steelcrucian.com\/flicker-measurement-standard\/\">\ud50c\ub9ac\ucee4 \uce21\uc815\uacfc \ud310\uc815 \uae30\uc900 (PstLM\u00b7SVM)<\/a> \u2014 \uc131\uc801\uc11c\uc758 \uc22b\uc790\uac00 \uc5b4\ub5bb\uac8c \ub098\uc654\ub294\uc9c0 \uc77d\ub294 \ubc29\uc2dd\uc774 \uc774 \uae00\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><a href=\"https:\/\/steelcrucian.com\/light-meter-buying-guide\/\">\uc870\ub3c4\uacc4\u00b7\uceec\ub7ec\ubbf8\ud130 \uc120\ud0dd \uac00\uc774\ub4dc<\/a> \u2014 \uccad\uc0c9\uad11 \uce21\uc815\uc5d0 \uc4f0\ub294 \uc7a5\ube44\uc758 \uc0ac\uc591\uc744 \uc77d\ub294 \ubc95\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><a href=\"https:\/\/steelcrucian.com\/integrating-sphere-lux-luminance-meter\/\">\uc801\ubd84\uad6c\uc640 \uc870\ub3c4\uacc4\u00b7\ud718\ub3c4\uacc4\uc758 \ucc28\uc774<\/a> \u2014 L_B\uac00 &#8216;\ud718\ub3c4&#8217; \uacc4\uc5f4 \uc591\uc774\ub77c\ub294 \uc810\uc744 \uc774\ud574\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>LED \uc870\uba85 \uc2dc\ud5d8\uc131\uc801\uc11c\ub97c \uc5f4\uc5c8\ub354\ub2c8 &#8216;RG1&#8217;\uc774\ub77c\ub294 \uae00\uc790\uac00 \ubcf4\uc785\ub2c8\ub2e4. \ub9c8\uce68 \uc2a4\ub9c8\ud2b8\ud3f0\uc744 \ubcf4\ub2e4\uac00 &#8220;\ube14\ub8e8\ub77c\uc774\ud2b8\uac00 \ub208\uc5d0 \uc548 \uc88b\ub2e4&#8221;\ub294 \ub9d0\ub3c4 \ub4e4\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \ub458\uc740 \uac19\uc740 \uc774\uc57c\uae30\uc77c\uae4c\uc694? \ud575\uc2ec\ub9cc \ub9d0\ud558\uba74, RG\ub294 &#8216;Risk Group(\uc704\ud5d8\uad70)&#8217;\uc758 \uc57d\uc790\ub85c IEC 62471\uc774 \uad11\uc6d0\uc758 \uccad\uc0c9\uad11 \uc704\ud5d8\uc744 4\ub2e8\uacc4\ub85c \ub098\ub208 \ub4f1\uae09\uc785\ub2c8\ub2e4. RG0\u00b7RG1\uc740 \uaddc\uaca9\uc0c1 \uc548\uc804\ud55c \ubc94\uc8fc\uc774\uace0, \ub208 \ud53c\ub85c\ub098 \uc218\uba74\uae4c\uc9c0 \ubcf4\uc99d\ud558\ub294 \uc22b\uc790\ub294 \uc544\ub2d9\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uc704\ud5d8\uad70\uc774 \ubb34\uc5c7\uc73c\ub85c \uac08\ub9ac\ub294\uc9c0, \uce21\uc815 \uc870\uac74\uc740 \uc5b4\ub5bb\uac8c \uc815\ud574\uc9c0\ub294\uc9c0, \uc131\uc801\uc11c\uc640 &#8216;\ube14\ub8e8\ub77c\uc774\ud2b8&hellip;&nbsp;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":"","jetpack_post_was_ever_published":false},"categories":[72],"tags":[1004,86,1003,1002,1005,1006,1001],"class_list":["post-2721","post","type-post","status-publish","format-standard","hentry","category-optics","tag-iec62471","tag-led","tag-1003","tag-1002","tag-1005","tag-1006","tag-1001"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/posts\/2721","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/comments?post=2721"}],"version-history":[{"count":1,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/posts\/2721\/revisions"}],"predecessor-version":[{"id":2725,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/posts\/2721\/revisions\/2725"}],"wp:attachment":[{"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/media?parent=2721"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/categories?post=2721"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelcrucian.com\/wp-json\/wp\/v2\/tags?post=2721"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}