{"id":5497,"date":"2022-09-19T22:46:55","date_gmt":"2022-09-19T22:46:55","guid":{"rendered":"https:\/\/cancoppas.com\/products\/projet-de-mesure\/"},"modified":"2024-10-18T18:52:44","modified_gmt":"2024-10-18T18:52:44","slug":"mesure-de-tres-basse-pression","status":"publish","type":"product","link":"https:\/\/cancoppas.com\/fr\/products\/mesure-de-tres-basse-pression\/","title":{"rendered":"Mesure de tr\u00e8s basse pression"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<p>Le transmetteur de pression DR800 de Validyne est con\u00e7u exclusivement pour les mesures de tr\u00e8s basses pressions. Il dispose d&rsquo;une plage pleine \u00e9chelle \u00ab\u00a0vraie\u00a0\u00bb aussi basse que \u00b10,25 po H2O, ce qui le rend id\u00e9al pour les applications de contr\u00f4le du d\u00e9bit d&rsquo;air. Il peut \u00eatre r\u00e9duit \u00e0 \u00b10,1 po H2O ; des plages de pleine \u00e9chelle plus \u00e9lev\u00e9es, jusqu&rsquo;\u00e0 \u00b1100 po H2O, sont disponibles.<\/p>\n<p>Le DR800 offre une pr\u00e9cision de 0,5 % et une plage de temp\u00e9rature de fonctionnement de -20\u00b0F \u00e0 +185\u00b0F. Les effets combin\u00e9s de la temp\u00e9rature sont inf\u00e9rieurs \u00e0 3 %\/100\u00b0F et les r\u00e9glages du z\u00e9ro et de l&rsquo;\u00e9chelle sont simplifi\u00e9s. Le mod\u00e8le DR800 utilise un cavalier programmable sur la carte de circuit imprim\u00e9 en conjonction avec un potentiom\u00e8tre \u00e0 20 tours pour obtenir un r\u00e9glage du z\u00e9ro souple et pr\u00e9cis. La combinaison potentiom\u00e8tre\/cavalier permet de s\u00e9lectionner des plages allant de -100 % d&rsquo;\u00e9l\u00e9vation du z\u00e9ro \u00e0 +85 % de suppression du z\u00e9ro (voir Fig. 1). De plus, le r\u00e9glage du span dispose d&rsquo;un cavalier de gain Haut et Bas pour permettre une meilleure r\u00e9solution du point de consigne \u00e0 pleine \u00e9chelle. Cela permet d&rsquo;obtenir plus de tours du potentiom\u00e8tre sur un plus petit pourcentage de la plage de r\u00e9glage de l&rsquo;\u00e9chelle et du z\u00e9ro, ce qui rend les \u00e9talonnages de points de consigne critiques plus faciles et moins longs.<\/p>\n","protected":false},"featured_media":4529,"template":"","meta":{"_acf_changed":false},"product_cat":[285,282],"product_tag":[],"class_list":["post-5497","product","type-product","status-publish","has-post-thumbnail","product_cat-differentielle","product_cat-pression","first","instock","shipping-taxable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Mesure de tr\u00e8s basse pression - Cancoppas<\/title>\n<meta name=\"description\" content=\"Validyne DR800 von\u00e7u exclusivement pour les mesures de tr\u00e8s basses pressions. 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