{"id":45393,"date":"2024-10-17T07:10:13","date_gmt":"2024-10-17T07:10:13","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/astm-e971-2\/"},"modified":"2024-10-24T16:00:38","modified_gmt":"2024-10-24T16:00:38","slug":"astm-e971-2","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/astm\/astm-e971-2\/","title":{"rendered":"ASTM-E971"},"content":{"rendered":"<\/p>\n<p id=\"s00002\">1.1 This practice describes the calculation of luminous (photometric) transmittance and reflectance of materials from spectral radiant transmittance and reflectance data obtained from Test Method E903 .<\/p>\n<p id=\"s00003\">1.2 Determination of luminous transmittance by this practice is preferred over measurement of photometric transmittance by methods using the sun as a source and a photometer as detector except for transmitting sheet materials that are inhomogeneous, patterned, or corrugated.<\/p>\n<p id=\"s00034\">1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.<\/p>\n<p id=\"s00004\">1.4 <span class=\"italic\">This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.<\/span><\/p>\n<p><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>1<b><\/td>\n<td>Scope <br \/> Referenced Documents <br \/> Terminology <br \/> Summary of Practice  <\/td>\n<\/tr>\n<tr>\n<td><b>2<b><\/td>\n<td>Significance and Use <br \/> Procedure <br \/> Report <br \/> Keywords  <\/td>\n<\/tr>\n<tr>\n<td><b>3<b><\/td>\n<td>A1. INFORMATION  ON  THE  CIE  PHOTOPIC  SPECTRAL  LUMINOUS  EFFICIENCY  V AND THE LUMINOUS EFFICACY CONSTANT Km <br \/> A1.1   <\/td>\n<\/tr>\n<tr>\n<td><b>4<b><\/td>\n<td>X1. INFORMATION  ON  SOLAR  ILLUMINANCE <br \/> X1.1  <br \/> X1.2  <br \/> TABLE A1.1  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>E971-11 Standard Practice for  Calculation of Photometric Transmittance and Reflectance of Materials to Solar Radiation<\/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\/astm\/\"><b>ASTM<\/b><\/a><\/td>\n<td>2011<\/td>\n<td>5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":45394,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2637],"product_tag":[],"class_list":{"0":"post-45393","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-astm","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\/45393","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\/45394"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=45393"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=45393"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=45393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}