{"id":2355,"date":"2025-06-19T19:35:01","date_gmt":"2025-06-19T11:35:01","guid":{"rendered":"https:\/\/www.ledphotometer.com\/blog\/luminance-colorimeter\/"},"modified":"2025-06-27T10:48:10","modified_gmt":"2025-06-27T02:48:10","slug":"colorimetre-de-luminance","status":"publish","type":"post","link":"https:\/\/www.ledtestsystem.com\/fr\/produits\/colorimetre-de-luminance\/","title":{"rendered":"Colorim\u00e8tre de luminance"},"content":{"rendered":"<p>Le colorim\u00e8tre photo\u00e9lectrique de luminance XYL-VI r\u00e9volutionne l&#039;architecture traditionnelle en rempla\u00e7ant les capteurs analogiques par des capteurs num\u00e9riques X(\u03bb), Y(\u03bb) et Z(\u03bb), et en s&#039;appuyant sur un syst\u00e8me de mesure num\u00e9rique. D\u00e9pourvu d&#039;unit\u00e9 analogique, il \u00e9limine facilement la d\u00e9rive du z\u00e9ro inh\u00e9rente aux colorim\u00e8tres traditionnels. Le capteur num\u00e9rique offre une large plage dynamique, une forte immunit\u00e9 aux interf\u00e9rences et une grande pr\u00e9cision.<\/p>\n<p>Le colorim\u00e8tre de luminance XYL-VI est dot\u00e9 d&#039;une interface informatique RS232 interne. Son \u00e9talonnage est r\u00e9alis\u00e9 par logiciel. Il convient aux applications de surveillance et de contr\u00f4le \u00e0 distance. Le colorim\u00e8tre XYL-VI peut \u00eatre \u00e9talonn\u00e9 \u00e0 l&#039;aide de son logiciel d\u00e9di\u00e9 pour l&#039;acquisition de donn\u00e9es et l&#039;impression des r\u00e9sultats. Il peut \u00e9galement \u00eatre corrig\u00e9 par d&#039;autres sources lumineuses standard afin d&#039;obtenir une tr\u00e8s haute pr\u00e9cision de mesure des coordonn\u00e9es colorim\u00e9triques x et y, ainsi que de la temp\u00e9rature de couleur. Ce syst\u00e8me de mesure en temps r\u00e9el est compatible avec Windows 7, 8, 10 et 11.<\/p>\n<p>\u2022 Luminance Y :<br \/>\nSensibilit\u00e9 spectrale relative du capteur num\u00e9rique V(\u03bb) : f1 &lt; 5,5%<br \/>\nPlage dynamique\u00a0: 10 \u00e0 1\u00a0000\u00a0000 cd\/m\u00b2. Pr\u00e9cision\u00a0: &lt;\u00a05%<br \/>\nSensibilit\u00e9 : 0,01 cd\/m\u00b2. R\u00e9p\u00e9tabilit\u00e9 : 0,01 cd\/m\u00b2.<br \/>\n\u2022 Angle de mesure\u00a0: 1 degr\u00e9. Distance de mesure\u00a0: de 0,7\u00a0m \u00e0 l\u2019infini.<br \/>\n\u2022 Coordonn\u00e9es de couleur x, y, u, v(u&#039;, v&#039;) : (Luminosit\u00e9 sup\u00e9rieure \u00e0 10 cd\/m2)<br \/>\nPr\u00e9cision (x, y) : \u00b10,002 (source standard CIE A, 100 cd\/m\u00b2)<br \/>\nR\u00e9p\u00e9tabilit\u00e9 (x, y) : \u00b10,0005 (source A de la norme CIE)<br \/>\n\u2022 Temp\u00e9rature de couleur Tc : (Luminosit\u00e9 sup\u00e9rieure \u00e0 10 cd\/m\u00b2)<br \/>\nPlage dynamique\u00a0: 1\u00a0350 \u00e0 25\u00a0000\u00a0K\u00a0; sensibilit\u00e9\u00a0: 1\u00a0k\u03a9<br \/>\nPr\u00e9cision : \u00b120K (source standard CIE A, 100 cd\/m\u00b2)<br \/>\n\u2022 Effet de la temp\u00e9rature\u00a0: -0,1%. Aucune erreur de variation de plage<br \/>\n\u2022 Fr\u00e9quence de rafra\u00eechissement\u00a0: 1\u00a0n\/s (pas moins de 10\u00a0cd\/m\u00b2), 1\u00a0n\/3\u00a0s (moins de 10\u00a0cd\/m\u00b2)<br \/>\n\u2022 \u00c9cran LCD 128\u00d764. Fonction de maintien des donn\u00e9es.<br \/>\n\u2022 Interface informatique et logiciel RS232<br \/>\n\u2022 Alimentation\u00a0: pile 9\u00a0V, adaptateur secteur 6\u00a0V CC<br \/>\n\u2022 Dimensions : 270*95*225 (mm) (Tr\u00e9pied en option).<\/p>","protected":false},"excerpt":{"rendered":"<p>The XYL-VI Luminance Photoelectric Colorimeter changes the traditional structure thoroughly, employs the digital X(\u03bb), Y(\u03bb), Z(\u03bb) sensors to replace the traditional analogue sensors, and employs the digital signal measurement system to replace the traditional analogue measurement system. The instrument has no analogue unit, thus it is very simple to overcome the zero drift which is [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3772,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[112],"class_list":["post-2355","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products","tag-xyl-vi"],"_links":{"self":[{"href":"https:\/\/www.ledtestsystem.com\/fr\/wp-json\/wp\/v2\/posts\/2355","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ledtestsystem.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ledtestsystem.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ledtestsystem.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ledtestsystem.com\/fr\/wp-json\/wp\/v2\/comments?post=2355"}],"version-history":[{"count":0,"href":"https:\/\/www.ledtestsystem.com\/fr\/wp-json\/wp\/v2\/posts\/2355\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ledtestsystem.com\/fr\/wp-json\/wp\/v2\/media\/3772"}],"wp:attachment":[{"href":"https:\/\/www.ledtestsystem.com\/fr\/wp-json\/wp\/v2\/media?parent=2355"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ledtestsystem.com\/fr\/wp-json\/wp\/v2\/categories?post=2355"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ledtestsystem.com\/fr\/wp-json\/wp\/v2\/tags?post=2355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}