{"id":2889,"date":"2023-08-11T08:24:05","date_gmt":"2023-08-11T07:24:05","guid":{"rendered":"https:\/\/piseo.fr\/?p=2889"},"modified":"2024-03-25T13:02:10","modified_gmt":"2024-03-25T12:02:10","slug":"photometric-performance-measurements","status":"publish","type":"post","link":"https:\/\/piseo.fr\/en\/optical-laboratory\/photometry-laboratory\/photometric-performance-measurements\/","title":{"rendered":"Photometric measurements"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The objective of photometry and colorimetry measurements is to characterize the performance of light sources and lighting systems: LEDs, lamps, luminaires, motor vehicle lights, screens, indicators, panels &#8230;PIS\u00c9O has skills and equipment to provide you with objective, impartial and quality measurement results.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thereby, these results allow you to check the performance of your products in accordance with regulatory requirements, as well as to stress their value.<\/p>\n\n\n\n<details class=\"wp-block-stackable-accordion stk-block-accordion stk-inner-blocks stk-block-content stk-block stk-42565cf is-style-plain\" data-block-id=\"42565cf\"><style>.stk-42565cf{border-style:solid !important;border-color:#dfdad1 !important;border-top-width:0px !important;border-right-width:0px !important;border-bottom-width:1px !important;border-left-width:0px !important;padding-bottom:24px !important}<\/style>\n<summary class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-b213acc stk--container-small stk-block-accordion__heading\" data-v=\"4\" data-block-id=\"b213acc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-b213acc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-b213acc-inner-blocks\">\n<div class=\"wp-block-stackable-icon-label stk-block-icon-label stk-block stk-6a27c64\" data-block-id=\"6a27c64\"><div class=\"stk-row stk-inner-blocks stk-block-content\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-a76844f\" id=\"photometric-measurements\" data-block-id=\"a76844f\"><h2 class=\"stk-block-heading__text\">Photometric measurements<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-icon stk-block-icon stk-block stk-01840dc\" data-block-id=\"01840dc\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg style=\"height:0;width:0\"><defs><linearGradient id=\"linear-gradient-01840dc\" x1=\"0\" x2=\"100%\" y1=\"0\" y2=\"0\"><stop offset=\"0%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-01840-dc-color-1)\"><\/stop><stop offset=\"100%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-01840-dc-color-2)\"><\/stop><\/linearGradient><\/defs><\/svg><svg data-prefix=\"fas\" data-icon=\"chevron-down\" class=\"svg-inline--fa fa-chevron-down fa-w-14\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\" aria-hidden=\"true\" width=\"32\" height=\"32\"><path fill=\"currentColor\" d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div><\/span><\/div>\n<\/div><\/div>\n<\/div><\/div><\/summary>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-fadf170 stk-block-accordion__content\" data-v=\"4\" data-block-id=\"fadf170\"><style>.stk-fadf170-container{padding-top:0px !important;padding-right:0px !important;padding-bottom:0px !important;padding-left:0px !important}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-fadf170-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-fadf170-inner-blocks\">\n<p class=\"wp-block-paragraph\">Goniophotometry measurements allow to characterize the shape of the beam of a source or a light system in 3D.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Based on measurements of light intensity as a function of the angle, these measurements are particularly useful for predicting the illuminations of any illuminated surface and preventing glare (ULR).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The data is recorded in a file of<strong> IES or LDT<\/strong> type and can be directly used by lighting simulation software such as Dialux or Relux.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/piseo.fr\/wp-content\/uploads\/2020\/10\/goniosimulation.jpg\" alt=\"\" style=\"width:966px;height:304px\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Moreover, these measurements are realized under <a href=\"https:\/\/piseo.fr\/actualites\/laboratoire-accreditation-iso-17025\/\">COFRAC (scope available on <a href=\"http:\/\/www.cofrac.fr.\" target=\"_blank\" rel=\"noreferrer noopener\">www.cofr<\/a><\/a><a href=\"http:\/\/www.cofrac.fr.\">ac.fr.<\/a>)<a href=\"https:\/\/piseo.fr\/actualites\/laboratoire-accreditation-iso-17025\/\"> <\/a>accreditation according to internationally recognized standards: NF EN 13032-1, NF EN 13032-4, CIE S025 and LM 79.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Through these measures, we can provide you with accredited reports containing the following characteristics:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Total luminous flux (lumens)<\/li>\n\n\n\n<li>Intensities (candelas &#8211; cd)<\/li>\n\n\n\n<li>Intensity distribution: IES or LDT files<\/li>\n\n\n\n<li>Light emission spectrum (300nm to 11100nm)<\/li>\n\n\n\n<li>Colorimetric data in the axis: chromaticity coordinates (x, y), <a href=\"https:\/\/piseo.fr\/en\/optical-laboratory\/photometry-laboratory\/colorimetric-measurements\/\">Correlated Color Temperature (CCT)<\/a>, Color Rendering Index (CRI), TM-30 (Rg, Rf)<\/li>\n\n\n\n<li>UGR tables (glare)<\/li>\n\n\n\n<li>Total system power consumption (W)<\/li>\n\n\n\n<li>Luminous efficacy (lumens \/ W)<\/li>\n\n\n\n<li>Power factor<\/li>\n\n\n\n<li>Energy efficiency class *<\/li>\n\n\n\n<li>Total Harmonic Distorsion (THD) rate *<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">* services provided without accreditation<\/p>\n<\/div><\/div><\/div>\n<\/details>\n\n\n\n<details class=\"wp-block-stackable-accordion stk-block-accordion stk-inner-blocks stk-block-content stk-block stk-c2df2f5 is-style-plain\" data-block-id=\"c2df2f5\"><style>.stk-c2df2f5{border-style:solid !important;border-color:#dfdad1 !important;border-top-width:0px !important;border-right-width:0px !important;border-bottom-width:1px !important;border-left-width:0px !important;padding-bottom:24px !important}<\/style>\n<summary class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-0645509 stk--container-small stk-block-accordion__heading\" data-v=\"4\" data-block-id=\"0645509\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-0645509-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-0645509-inner-blocks\">\n<div class=\"wp-block-stackable-icon-label stk-block-icon-label stk-block stk-c55e83c\" data-block-id=\"c55e83c\"><div class=\"stk-row stk-inner-blocks stk-block-content\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-16eaae1\" id=\"goniophotometry-equipments\" data-block-id=\"16eaae1\"><h2 class=\"stk-block-heading__text\">Goniophotometry equipments<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-icon stk-block-icon stk-block stk-b7ceebd\" data-block-id=\"b7ceebd\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg style=\"height:0;width:0\"><defs><linearGradient id=\"linear-gradient-b7ceebd\" x1=\"0\" x2=\"100%\" y1=\"0\" y2=\"0\"><stop offset=\"0%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-b-7-ceebd-color-1)\"><\/stop><stop offset=\"100%\" style=\"stop-opacity:1;stop-color:var(--linear-gradient-b-7-ceebd-color-2)\"><\/stop><\/linearGradient><\/defs><\/svg><svg data-prefix=\"fas\" data-icon=\"chevron-down\" class=\"svg-inline--fa fa-chevron-down fa-w-14\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\" aria-hidden=\"true\" width=\"32\" height=\"32\"><path fill=\"currentColor\" d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div><\/span><\/div>\n<\/div><\/div>\n<\/div><\/div><\/summary>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-615092e stk-block-accordion__content\" data-v=\"4\" data-block-id=\"615092e\"><style>.stk-615092e-container{padding-top:0px !important;padding-right:0px !important;padding-bottom:0px !important;padding-left:0px !important}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-615092e-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-615092e-inner-blocks\">\n<ul class=\"wp-block-list\" id=\"block-2f5a1771-8107-4572-b788-08ecae858cfd\">\n<li><a href=\"https:\/\/www.seleisle.com\/c.php?cu=https%253A%252F%252Fr.search.yahoo.com%252Fcbclk%252FdWU9ODc5NTVGODc3QzJBNEJDRSZ1dD0xNjkxNzM4NDc2NTAxJnVvPTg0NjYyODc1NjQzNDIyJmx0PTImcz0yJmVzPUZwWXouMUVHUFNfTXp5UWNlN3o3ckJIVGF0NjRtVDBtYjJNQ2lKaUh3VmNjc05jLQ--%252FRV%253D2%252FRE%253D1691767276%252FRO%253D10%252FRU%253Dhttps%25253a%25252f%25252fwww.bing.com%25252faclick%25253fld%25253de8gqz6MngjAhBgyIL1WiSOGzVUCUzZf4Q2oq61HSLE-r2kQpzsB8nDM0X5KeIAHwuus7tSWRtkzdRnnqKPVayCnq_X6ER3wKMpLnspwBie6egwOWGYnHYm8Z1dQM6oNkX99hMZBH2VoviPJwo9vDsz-csAva-uhRvF_PMskXUbhwzn2deD%252526u%25253daHR0cHMlM2ElMmYlMmZ3d3cuYW1hem9uLmZyJTJmcyUyZiUzZmllJTNkVVRGOCUyNmtleXdvcmRzJTNkZ29uaW9tZXRyZSUyNmluZGV4JTNkYXBzJTI2dGFnJTNkaHlkZnJtc24tMjElMjZyZWYlM2RwZF9zbF80NTdnMTNlOGJjX3AlMjZhZGdycGlkJTNkMTM1NDU5OTI1OTc2Nzk5MCUyNmh2YWRpZCUzZDg0NjYyODc1NjQzNDIyJTI2aHZuZXR3JTNkcyUyNmh2cW10JTNkcCUyNmh2Ym10JTNkYnAlMjZodmRldiUzZGMlMjZodmxvY2ludCUzZCUyNmh2bG9jcGh5JTNkMTI1OTIyJTI2aHZ0YXJnaWQlM2Rrd2QtODQ2NjI5NzU4NzU1OTUlM2Fsb2MtNjYlMjZoeWRhZGNyJTNkMjc3MDVfMjI2NDY2NQ%252526rlid%25253ddbc88501e52b112b72a0e1d404472769%252FRK%253D2%252FRS%253DZPsasL1Y9SpOhmJqFIr_tlYr2rc-&amp;sh=www.amazon.fr%2Fgoniometre%2FOffers&amp;l=FR&amp;po=1&amp;u=0063-20221228-4113315-BOPAX4M4NZYL1&amp;a=3101&amp;tr=64d5e16c45908&amp;keyword=lmt+goniometer&amp;aid=64d5e16d008b7&amp;t=1&amp;bc=1&amp;rt=1691738476.8826&amp;n=2&amp;loc=n\">Gonio-photometer LMT GO DS 2 000<\/a> with far-field C-type mirror<\/li>\n\n\n\n<li>Yokogawa WT 3000 puissancemeter<\/li>\n\n\n\n<li>Instrument Systems CAS140CT (360nm-830nm) and CAS140D (300nm-1100nm) spectrophotometers<\/li>\n<\/ul>\n\n\n<div  class=\"wp-block-ultimate-post-image ultp-block-5230ad\"><div class=\"ultp-block-wrapper\"><figure class=\"ultp-image-block-wrapper\"><div class=\"ultp-image-block ultp-image-block-none\"><img decoding=\"async\"  class=\"ultp-image\"  alt=\"Image\"  src=\"https:\/\/piseo.fr\/wp-content\/uploads\/2020\/07\/Gonio-photometer.jpg\" \/><\/div><\/figure><\/div><\/div><\/div><\/div><\/div>\n<\/details>\n","protected":false},"excerpt":{"rendered":"<p>The objective of photometry and colorimetry measurements is to characterize the performance of light sources and lighting systems: LEDs, lamps, luminaires, motor vehicle lights, screens, indicators, panels &#8230;PIS\u00c9O has skills and equipment to provide you with objective, impartial and quality measurement results. Thereby, these results allow you to check the performance of your products in [&hellip;]<\/p>\n","protected":false},"author":171492485,"featured_media":27936,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[7000,7002],"tags":[],"class_list":["post-2889","post","type-post","status-publish","format-standard","has-post-thumbnail","category-optical-laboratory","category-photometry-laboratory"],"featured_image_src":"https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1.jpg","author_info":{"display_name":"piseophotonics","author_link":"https:\/\/piseo.fr\/en\/author\/piseophotonics\/"},"featured_image_urls_v2":{"full":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1.jpg",1920,600,false],"thumbnail":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-150x150.jpg",150,150,true],"medium":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-300x94.jpg",300,94,true],"medium_large":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-768x240.jpg",696,218,true],"large":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-1024x320.jpg",696,218,true],"1536x1536":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-1536x480.jpg",1536,480,true],"2048x2048":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1.jpg",1920,600,false],"td_150x0":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-150x47.jpg",150,47,true],"td_150x0_retina":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-300x94.jpg",300,94,true],"td_218x150":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-218x150.jpg",218,150,true],"td_218x150_retina":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-436x300.jpg",436,300,true],"td_300x0":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-300x94.jpg",300,94,true],"td_300x0_retina":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-600x188.jpg",600,188,true],"td_324x400":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-324x400.jpg",324,400,true],"td_324x400_retina":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-648x600.jpg",648,600,true],"td_485x360":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-485x360.jpg",485,360,true],"td_485x360_retina":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-970x600.jpg",970,600,true],"td_696x0":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-696x218.jpg",696,218,true],"td_696x0_retina":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-1392x435.jpg",1392,435,true],"td_1068x0":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-1068x334.jpg",1068,334,true],"td_1068x0_retina":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1.jpg",1920,600,false],"td_1920x0":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1.jpg",1920,600,false],"td_1920x0_retina":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1.jpg",1920,600,false],"ultp_layout_landscape_large":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-1200x600.jpg",1200,600,true],"ultp_layout_landscape":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-870x570.jpg",870,570,true],"ultp_layout_portrait":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-600x600.jpg",600,600,true],"ultp_layout_square":["https:\/\/piseo.fr\/wp-content\/uploads\/2023\/06\/photometrie-1-600x600.jpg",600,600,true]},"post_excerpt_stackable_v2":"<p>The objective of photometry and colorimetry measurements is to characterize the performance of light sources and lighting systems: LEDs, lamps, luminaires, motor vehicle lights, screens, indicators, panels &#8230;PIS\u00c9O has skills and equipment to provide you with objective, impartial and quality measurement results. Thereby, these results allow you to check the performance of your products in accordance with regulatory requirements, as well as to stress their value. Photometric measurements Goniophotometry measurements allow to characterize the shape of the beam of a source or a light system in 3D. Based on measurements of light intensity as a function of the angle, these&hellip;<\/p>\n","category_list_v2":"<a href=\"https:\/\/piseo.fr\/en\/optical-laboratory\/\" rel=\"category tag\">Optical laboratory<\/a>, <a href=\"https:\/\/piseo.fr\/en\/optical-laboratory\/photometry-laboratory\/\" rel=\"category tag\">Photometry laboratory<\/a>","author_info_v2":{"name":"piseophotonics","url":"https:\/\/piseo.fr\/en\/author\/piseophotonics\/"},"comments_num_v2":"0 comments","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Photometric measurements - PIS\u00c9O<\/title>\n<meta name=\"description\" content=\"The PISEO lab performs COFRAC accredited photometric and colorimetric measurements (EN 13032-1, EN 13032-4, LM-79)\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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