{"id":417159,"date":"2024-10-20T06:14:39","date_gmt":"2024-10-20T06:14:39","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-613412011-2\/"},"modified":"2024-10-26T11:36:52","modified_gmt":"2024-10-26T11:36:52","slug":"bs-en-613412011-2","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-613412011-2\/","title":{"rendered":"BS EN 61341:2011"},"content":{"rendered":"<p>This Technical Report describes the method of measuring and specifying the centre beam intensity and the associated beam angle(s) of reflector lamps.<\/p>\n<p>It applies to incandescent, tungsten halogen and gas-discharge and LED based reflector lamps for general lighting purposes. It does not apply to lamps for special purposes such as projection lamps.<\/p>\n<p>These recommendations relate to design testing of lamps only.<\/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>5<b><\/td>\n<td>English <br \/> CONTENTS  <\/td>\n<\/tr>\n<tr>\n<td><b>6<b><\/td>\n<td>FOREWORD  <\/td>\n<\/tr>\n<tr>\n<td><b>8<b><\/td>\n<td>INTRODUCTION  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>1 Scope <br \/> 2 Terms and definitions <br \/> Figure 1 \u2013 Relation between optical beam axis, geometrical-mechanical axis, peak intensity and centre beam intensity  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>3 Basic beam patterns  <br \/> 4 General conditions for measurement <br \/> 5 Test arrangement  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>6 Measuring procedure  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>7 Specification of centre beam intensity and beam angle(s) <br \/> Figure 2 \u2013 Measurement of luminous intensity distribution <br \/> Figure 3 \u2013 Case where the centre beam intensity is smaller than 50 % of the peak intensity  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Method of measurement of centre beam intensity and beam angle(s) of reflector lamps<\/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>2011<\/td>\n<td>16<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":417169,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[522,2641],"product_tag":[],"class_list":{"0":"post-417159","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-29-140-20","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/417159","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\/417169"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=417159"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=417159"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=417159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}