{"id":224589,"date":"2012-06-20T22:00:00","date_gmt":"2012-06-20T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/microscopes-numeriques-hautes-performances-simples-a-utiliser\/"},"modified":"2012-06-20T22:00:00","modified_gmt":"2012-06-20T22:00:00","slug":"microscopes-numeriques-hautes-performances-simples-a-utiliser","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/microscopes-numeriques-hautes-performances-simples-a-utiliser\/","title":{"rendered":"Microscopes num\u00e9riques hautes performances, simples \u00e0 utiliser"},"content":{"rendered":"<p>La r&eacute;solution est augment&eacute;e de 25% gr&acirc;ce aux propri&eacute;t&eacute;s de la lumi&egrave;re bleue. Celle-ci poss&egrave;de une courte longueur d&rsquo;onde et a donc la capacit&eacute; de renvoyer des d&eacute;tails fins &agrave; la surface de la cible. L&rsquo;image acquise en lumi&egrave;re bleue est superpos&eacute;e &agrave; l&rsquo;image classique afin d&rsquo;en rajouter les d&eacute;tails acquis. Finalement, on obtient ainsi une image identique, mais de meilleure r&eacute;solution. En compl&eacute;ment, la lumi&egrave;re rouge poss&egrave;de &agrave; l&rsquo;inverse une longueur d&rsquo;onde &eacute;lev&eacute;e. Ses grandes capacit&eacute;s de transmission de la lumi&egrave;re &agrave; travers un objet transparent sont donc utilis&eacute;es afin de permettre l&rsquo;observation de zones situ&eacute;es sous une couche de mat&eacute;riaux transparents. De la m&ecirc;me fa&ccedil;on, c&rsquo;est un filtre rouge qui est adapt&eacute;.<br \/>\nLe VHX-2000 offre des images panoramiques jusqu&rsquo;&agrave; 20000 x 20000 pixels, soit 400 millions pixels. Cela revient &agrave; une multiplication par 200 de la taille de la zone d&rsquo;observation &agrave; fort grossissement (image normale 1600 x 1200 pixels). Ceci est rendu possible gr&acirc;ce &agrave; la fonction d&rsquo;assemblage automatique d&rsquo;images ultra-haute vitesse la plus performante du march&eacute; (stitching 2D). En appuyant sur le bouton de la fonction d&rsquo;assemblage d&rsquo;images, la platine se d&eacute;place et capture les images qui sont assembl&eacute;es automatiquement en temps r&eacute;el. Gr&acirc;ce &agrave; sa capacit&eacute; &agrave; composer une image automatiquement, cette fonction permet d&rsquo;&eacute;viter tout mauvais alignement. <br \/>\nAvec la s&eacute;rie VHX-2000, les d&eacute;placements s&rsquo;automatisent. En plus de l&rsquo;axe Z, ce mod&egrave;le comporte &agrave; pr&eacute;sent des axes XY motoris&eacute;s dont le d&eacute;placement peut &ecirc;tre r&eacute;alis&eacute; par simple manipulation du joystick. Gr&acirc;ce &agrave; la fonction de reconnaissance automatique de l&rsquo;objectif et du zoom (DOUBLE&rsquo;R), tous les r&eacute;glages des axes X\/Y\/Z sont r&eacute;alis&eacute;s par commandes pr&eacute;cises, ce qui permet ainsi d&rsquo;adapter le d&eacute;placement au grossissement, pour une observation en toute souplesse. La mise au point et l&rsquo;&eacute;talonnage se r&eacute;alisent automatiquement. Autre nouveaut&eacute;, la platine XY motoris&eacute;e du syst&egrave;me d&rsquo;observation orientable est &eacute;quip&eacute;e en standard de l&rsquo;&eacute;clairage &agrave; LED par transmission. Cet &eacute;clairage entra&icirc;nant peu d&rsquo;irr&eacute;gularit&eacute; de luminosit&eacute; permet une observation d&rsquo;images nettes quel que soit le grossissement. Outre l&rsquo;&eacute;clairage par transmission, il est &eacute;galement possible d&rsquo;utiliser de fa&ccedil;on combin&eacute;e l&rsquo;&eacute;clairage &agrave; LED et l&rsquo;&eacute;clairage vertical de l&rsquo;objectif. L&rsquo;&eacute;mission de lumi&egrave;re peut &ecirc;tre r&eacute;gl&eacute;e pour chaque type d&rsquo;&eacute;clairage afin de garantir une intensit&eacute; lumineuse optimale lors de l&rsquo;observation. Il en r&eacute;sulte une am&eacute;lioration des contrastes sur les pi&egrave;ces avec des traversants. <br \/>\nLa s&eacute;rie VHX-2000 s&rsquo;est enrichie de fonctions de mesures indispensables. Elles permettent de r&eacute;aliser toutes les mesures en temps r&eacute;el sur l&rsquo;&eacute;cran en utilisant simplement la souris. Parmi les fonctions de mesure, on peut citer la mesure de surface maximale (mesurer instantan&eacute;ment la surface la plus &eacute;tendue de la cible dans la plage de mesure), le comptage sur des cibles dans une plage sp&eacute;cifi&eacute;e, le diam&egrave;tre min\/max&#8230; Ces mesures permettent de d&eacute;tecter des fissures ou craquelures.<br \/>\nLa s&eacute;rie VHX-2000 est tr&egrave;s polyvalente avec un grossissement allant de 0,1 &agrave; 5000x gr&acirc;ce &agrave; un seul syst&egrave;me. A noter que chaque objectif a son propre syst&egrave;me de fixation. Ainsi, le changement d&rsquo;un objectif &agrave; l&rsquo;autre est ainsi beaucoup plus rapide et ne comprend pas de risque. \n<\/p>\n<p><a href=\"http:\/\/www.keyence.fr\" target=\"_blank\" title=\"www.keyence.fr\" rel=\"noopener\">www.keyence.fr <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Int\u00e8grant un objectif, une cam\u00e9ra et des traitements d&rsquo;image, la s\u00e9rie des microscopes num\u00e9riques VHX propos\u00e9e par Keyence se distingue par sa r\u00e9solution de 54 millions de pixels, sa profondeur de champs et une mise au point automatis\u00e9e m\u00eame \u00e0 fort grossissement. Elle permet de r\u00e9aliser des observations uniques qui sont impossibles \u00e0 r\u00e9aliser avec un microscope optique.<\/p>\n","protected":false},"author":22,"featured_media":224590,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1149],"class_list":["post-224589","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Microscopes num\u00e9riques hautes performances, simples \u00e0 utiliser ...<\/title>\n<meta name=\"description\" content=\"Int\u00e8grant un objectif, une cam\u00e9ra et des traitements d&#039;image, la s\u00e9rie des microscopes num\u00e9riques VHX propos\u00e9e par Keyence se distingue par sa...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/224589\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Microscopes num\u00e9riques hautes performances, simples \u00e0 utiliser\" \/>\n<meta property=\"og:description\" content=\"Int\u00e8grant un objectif, une cam\u00e9ra et des traitements d&#039;image, la s\u00e9rie des microscopes num\u00e9riques VHX propos\u00e9e par Keyence se distingue par sa r\u00e9solution de 54 millions de pixels, sa profondeur de champs et une mise au point automatis\u00e9e m\u00eame \u00e0 fort grossissement. 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