{"id":211199,"date":"2016-05-13T01:00:00","date_gmt":"2016-05-13T01:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/capteurs-a-effet-hall-pour-faibles-courants\/"},"modified":"2016-05-13T01:00:00","modified_gmt":"2016-05-13T01:00:00","slug":"capteurs-a-effet-hall-pour-faibles-courants","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/capteurs-a-effet-hall-pour-faibles-courants\/","title":{"rendered":"Capteurs \u00e0 effet Hall pour faibles courants"},"content":{"rendered":"<p align=\"left\">Utilis\u00e9 en mode boucle ferm\u00e9e, l\u2019ASIC bas\u00e9 sur la technologie \u00e0 effet Hall atteint des performances comparables \u00e0 celles obtenues avec des technologies plus co\u00fbteuses telles que la technologie Fluxgate.<\/p>\n<p align=\"left\">Les capteurs LH 50-P et LH&nbsp;100-P sont con\u00e7us respectivement pour des courants nominaux de 50 A et 100&nbsp;A, tandis que le LH 25-P est un mod\u00e8le \u00e0 plage multiple pouvant \u00eatre configur\u00e9 pour 8, 12 ou 25&nbsp;A, offrant l\u2019\u00e9quivalent de trois capteurs en un seul et m\u00eame composant.<\/p>\n<p align=\"left\">Cette gamme offre une pr\u00e9cision globale jusqu\u2019\u00e0 3,5&nbsp;fois meilleure sur la plage de temp\u00e9rature par rapport \u00e0 la g\u00e9n\u00e9ration pr\u00e9c\u00e9dente de capteurs de courant \u00e0 effet Hall \u00e0 boucle ferm\u00e9e. La pr\u00e9cision globale, allant jusqu\u2019\u00e0 0,5&nbsp;% de I<sub>PN<\/sub>, est maintenue sur la totalit\u00e9 de la plage de temp\u00e9rature allant de -40&nbsp;\u00b0C \u00e0 +85&nbsp;\u00b0C, avec une d\u00e9rive d\u2019offset maximale de 0,1&nbsp;% de I<sub>PN<\/sub>.<\/p>\n<p align=\"left\">Gr\u00e2ce \u00e0 des performances comparables \u00e0 celles de la technologie Fluxgate, les responsables de d\u00e9veloppement b\u00e9n\u00e9ficient d\u2019un meilleur contr\u00f4le et d\u2019une efficacit\u00e9 accrue, apportant une valeur ajout\u00e9e significative \u00e0 l\u2019application finale, comme des mouvements plus pr\u00e9cis pour les robots, ou une consommation \u00e9nerg\u00e9tique am\u00e9lior\u00e9e. Les utilisateurs disposent de tous ces avantages tout en ne subissant pas les inconv\u00e9nients de la technologie Fluxgate, comme le bruit, les probl\u00e8mes de d\u00e9marrage lorsque le courant primaire est d\u00e9j\u00e0 pr\u00e9sent et les temps d&rsquo;attente avant le red\u00e9marrage apr\u00e8s une surcharge.<\/p>\n<p align=\"left\">Fonctionnant \u00e0 partir d\u2019une tension d\u2019alimentation bipolaire +\/- 12&nbsp;V \u00e0 +\/- 15&nbsp;V, ces capteurs peuvent mesurer des courants cr\u00eates jusqu\u2019\u00e0 2,2&nbsp;fois le courant nominal primaire tout en affichant un temps de r\u00e9ponse rapide inf\u00e9rieur \u00e0 0,5&nbsp;\u00b5s face \u00e0 un \u00e9chelon en di\/dt.<\/p>\n<p align=\"left\">Ces composants portent le marquage CE et sont conformes \u00e0 la norme EN&nbsp;50178.<\/p>\n<p><a href=\"http:\/\/www.lem.com\/\" target=\"_blank\" rel=\"noopener\">www.lem.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pr\u00e9vue pour \u00eatre mont\u00e9e sur circuits imprim\u00e9s et utilisant la toute derni\u00e8re technologie ASIC propri\u00e9taire, la gamme LH de capteur de courant \u00e0 effet Hall de LEM se compl\u00e8te des mod\u00e8les LH 25-NP, LH 50-P et LH 100-P qui assurent des mesures non intrusives et isol\u00e9es de courants DC, AC et puls\u00e9s compris entre 25 A et 100 A. <\/p>\n","protected":false},"author":9,"featured_media":211200,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[910],"domains":[47],"ppma_author":[1141],"class_list":["post-211199","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-sensing-conditioning-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Capteurs \u00e0 effet Hall pour faibles courants ...<\/title>\n<meta name=\"description\" content=\"Pr\u00e9vue pour \u00eatre mont\u00e9e sur circuits 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