{"id":327919,"date":"2024-10-19T22:47:22","date_gmt":"2024-10-19T22:47:22","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-47052020\/"},"modified":"2024-10-25T21:31:51","modified_gmt":"2024-10-25T21:31:51","slug":"bs-en-47052020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-47052020\/","title":{"rendered":"BS EN 4705:2020"},"content":{"rendered":"<p>This document describes the measurement method for the lifetime behaviour of aircraft cabin light units in a standardized aircraft-related environment.<\/p>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>2<b><\/td>\n<td>undefined  <\/td>\n<\/tr>\n<tr>\n<td><b>6<b><\/td>\n<td>Introduction  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms, definitions and abbreviations  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>4 Definition of lifetime <br \/> 4.1 General <br \/> 4.2 Light unit fails  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>4.3 The brightness of the light unit falls below a defined limit <br \/> 4.4 The chromaticity of the light unit is out of a defined limit <br \/> 5 Failure mode identification <br \/> 5.1 General <br \/> 5.2 Brightness degradation calculation selection <br \/> 5.3 Colour degradation  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>6 Operating the light unit <br \/> 6.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>6.2 Installation orientation <br \/> 6.3 Installation condition <br \/> 6.4 Ambient temperature  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>6.5 Power supply <br \/> 7 Light measurement <br \/> 7.1 General <br \/> 7.2 Measurement method  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>7.3 Measurement uncertainty of long term stability <br \/> 7.4 Determination of the start value <br \/> 7.5 Measurement intervals  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Aerospace series. Measurement methods regarding the lifetime behaviour of light units in a standardized aircraft-related environment<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2020<\/td>\n<td>16<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":327924,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-327919","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/327919","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/327924"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=327919"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=327919"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=327919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}