{"id":226148,"date":"2013-01-27T23:00:00","date_gmt":"2013-01-27T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/capteurs-de-pressions-differentielles-pour-la-mesure-de-flux\/"},"modified":"2013-01-27T23:00:00","modified_gmt":"2013-01-27T23:00:00","slug":"capteurs-de-pressions-differentielles-pour-la-mesure-de-flux","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/capteurs-de-pressions-differentielles-pour-la-mesure-de-flux\/","title":{"rendered":"Capteurs de pressions diff\u00e9rentielles pour la mesure de flux"},"content":{"rendered":"<p>Dans une configuration de by-pass, une bague calibr&eacute;e ou un limiteur de d&eacute;bit lin&eacute;aire, est utilis&eacute;e pour g&eacute;n&eacute;rer une pression diff&eacute;rentielle dans un canal d&rsquo;&eacute;coulement. La diff&eacute;rence entre les pressions amont et aval de la bague est proportionnelle au d&eacute;bit dans le canal, selon les caract&eacute;ristiques sp&eacute;cifiques de la restriction de flux. Il est donc possible de calculer le d&eacute;bit massique de la chute de pression mesur&eacute;e.<br \/>\nCe principe est bien adapt&eacute; pour les applications o&ugrave; les canaux d&rsquo;&eacute;coulement doivent &ecirc;tre ajust&eacute;s individuellement ou quand de petites diff&eacute;rences de pression doivent &ecirc;tre mesur&eacute;es avec une tr&egrave;s grande pr&eacute;cision, en particulier pour les applications HVAC, qui impliquent souvent de mesurer de grands d&eacute;bits.<br \/>\nComme les autres produits de la s&eacute;rie, ces capteurs offrent une sortie num&eacute;rique I2C et sont enti&egrave;rement calibr&eacute;s et compens&eacute;s en temp&eacute;rature. Fonctionnant sur le principe de mesure de d&eacute;bit calorim&eacute;trique, les sondes de pression diff&eacute;rentielle CMOSens int&eacute;gr&eacute;es offrent une sensibilit&eacute; exceptionnelle et une grande pr&eacute;cision m&ecirc;me &agrave; des diff&eacute;rences de pression tr&egrave;s faibles, inf&eacute;rieures &agrave; 1 Pa. Ils se caract&eacute;risent &eacute;galement par une tr&egrave;s grande stabilit&eacute; &agrave; long terme et sont exempts de d&eacute;rive du point z&eacute;ro.<br \/>\nLe SDP601 est destin&eacute; &agrave; une connexion pneumatique directe avec une &eacute;tanch&eacute;it&eacute; par joints toriques, tandis que le SDP611 dispose de raccords cannel&eacute;s pour tuyaux souples. <\/p>\n<\/p>\n<p><a href=\"http:\/\/www.sensirion.com\/en\/sdp600\" target=\"_blank\" title=\"www.sensirion.com\/en\/sdp600\" rel=\"noopener\">www.sensirion.com\/en\/sdp600<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sp\u00e9cialement con\u00e7ues pour mesurer le d\u00e9bit massique dans une configuration de by-pass, les sondes SDP601 et SDP611 viennent s\u2019ajouter \u00e0 la s\u00e9rie de capteurs de pression diff\u00e9rentielle SPD600 de Sensirion dans la gamme de +\/-500 Pa.<\/p>\n","protected":false},"author":22,"featured_media":226149,"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-226148","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Capteurs de pressions diff\u00e9rentielles pour la mesure de flux ...<\/title>\n<meta name=\"description\" content=\"Sp\u00e9cialement con\u00e7ues pour mesurer le d\u00e9bit massique dans une configuration de by-pass, les sondes SDP601 et SDP611 viennent s\u2019ajouter \u00e0 la s\u00e9rie de...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/226148\/\" 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