{"id":425901,"date":"2024-10-20T06:59:14","date_gmt":"2024-10-20T06:59:14","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-cie-235392023\/"},"modified":"2024-10-26T13:11:47","modified_gmt":"2024-10-26T13:11:47","slug":"bs-iso-cie-235392023","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-cie-235392023\/","title":{"rendered":"BS ISO\/CIE 23539:2023"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nNational foreword <\/td>\n<\/tr>\n
7<\/td>\nForeword <\/td>\n<\/tr>\n
8<\/td>\nIntroduction <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
10<\/td>\n4 Photometric quantities and units
4.1 Photometric quantities <\/td>\n<\/tr>\n
11<\/td>\n4.2 Photometric units
5 CIE standard spectral luminous efficiency functions
5.1 General
5.2 Photopic vision <\/td>\n<\/tr>\n
12<\/td>\n5.3 Scotopic vision
5.4 Mesopic vision <\/td>\n<\/tr>\n
13<\/td>\n5.5 10\u00b0 photopic vision
6 Names, symbols and units for photometric quantities
6.1 General <\/td>\n<\/tr>\n
14<\/td>\n6.2 Photopic vision
6.3 Scotopic vision
6.4 Mesopic vision <\/td>\n<\/tr>\n
15<\/td>\n6.5 10\u00b0 Photopic vision
6.6 Photometric quantities for other observers
7 Basic formulae relating photometric quantities to radiometric quantities
7.1 General
7.2 General formula <\/td>\n<\/tr>\n
16<\/td>\n7.3 General formula for luminous flux
7.4 Maximum luminous efficacy
7.4.1 General <\/td>\n<\/tr>\n
17<\/td>\n7.4.2 Photopic vision
7.4.3 Scotopic vision
7.4.4 Mesopic vision
7.4.5 10\u00b0 photopic vision
7.4.6 Summary of maximum luminous efficacies <\/td>\n<\/tr>\n
18<\/td>\n7.5 (Photopic) luminous flux
7.6 Scotopic luminous flux
7.7 Mesopic luminous flux <\/td>\n<\/tr>\n
20<\/td>\n7.8 10\u00b0 photopic luminous flux
8 Physical measurement
8.1 General <\/td>\n<\/tr>\n
21<\/td>\n8.2 Photometers
8.3 Spectroradiometers
8.3.1 Spectral measurement
8.3.2 Spectral calculations <\/td>\n<\/tr>\n
22<\/td>\n9 Tables of values of spectral luminous efficiency functions
9.1 Photopic vision <\/td>\n<\/tr>\n
26<\/td>\n9.2 Scotopic vision <\/td>\n<\/tr>\n
29<\/td>\n9.3 10\u00b0 photopic vision <\/td>\n<\/tr>\n
33<\/td>\nAnnex A (informative) Example of a spectral luminous efficiency function for mesopic vision <\/td>\n<\/tr>\n
37<\/td>\nAnnex B (informative) Supplementary information on mesopic vision <\/td>\n<\/tr>\n
38<\/td>\nAnnex C (informative) Background of the CIE system of physical photometry <\/td>\n<\/tr>\n
40<\/td>\nAnnex D (informative) Guidance on valid description of photometric values <\/td>\n<\/tr>\n
41<\/td>\nAnnex E (informative) Cone-fundamental-based spectral luminous efficiency functions <\/td>\n<\/tr>\n
51<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Photometry. The CIE system of physical photometry<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2023<\/td>\n54<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":425908,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[274,2641],"product_tag":[],"class_list":{"0":"post-425901","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-17-180-01","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\/425901","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\/425908"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=425901"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=425901"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=425901"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}