{"id":9944,"date":"2023-02-07T15:18:50","date_gmt":"2023-02-07T14:18:50","guid":{"rendered":"https:\/\/blog.wika.com\/fr\/?p=9944"},"modified":"2023-11-16T08:39:48","modified_gmt":"2023-11-16T07:39:48","slug":"industrie-pharmaceutique-controle-de-niveau-par-pression-differentielle","status":"publish","type":"post","link":"https:\/\/blog.wika.com\/fr\/general\/industrie-pharmaceutique-controle-de-niveau-par-pression-differentielle\/","title":{"rendered":"Industrie pharmaceutique : Contr\u00f4le de niveau par pression diff\u00e9rentielle"},"content":{"rendered":"<p><strong>Dans de nombreux process de l&rsquo;industrie pharmaceutique, un contr\u00f4le fiable du niveau est indispensable. De nombreuses solutions sont disponibles pour cette t\u00e2che.<br \/>\n<\/strong><strong style=\"font-size: 1rem\">Pour le contr\u00f4le du niveau dans la pr\u00e9paration des milieux de culture, par exemple, un fabricant d&rsquo;antibiotiques a opt\u00e9 pour le syst\u00e8me \u00e9lectronique de mesure de la pression diff\u00e9rentielle WIKA avec deux transmetteurs de process. <br \/>\nCe syst\u00e8me fonctionne avec une grande pr\u00e9cision et est \u00e9galement insensible aux temp\u00e9ratures ambiantes.<\/strong><\/p>\n<p>&nbsp;<\/p>\n<h2>La surveillance du niveau dans l&rsquo;industrie pharmaceutique peut servir d&rsquo;indicateur de qualit\u00e9<\/h2>\n<p>Les milieux de culture sont m\u00e9lang\u00e9s \u00e0 partir de plusieurs substances. La production d&rsquo;une telle solution nutritive pour les bact\u00e9ries est une \u00e9tape pr\u00e9liminaire \u00e9l\u00e9mentaire pour la production de principes actifs et de m\u00e9dicaments. <br \/>\nLa surveillance du niveau dans le process ne donne pas seulement \u00e0 l&rsquo;industrie pharmaceutique une indication du niveau actuel dans le r\u00e9servoir. Il sert \u00e9galement d&rsquo;indicateur du rapport de m\u00e9lange correct et donc de la qualit\u00e9 des milieux de culture.<\/p>\n<p>Le fabricant d&rsquo;antibiotiques utilisait initialement des transmetteurs de pression diff\u00e9rentielle pour le contr\u00f4le du niveau. Ce type d&rsquo;instrument dispose de deux raccords process pour les pressions P1 et P2. <br \/>\nPour mesurer le niveau, il est n\u00e9cessaire de combler la distance correspondante entre les deux points de mesure, ce qui se fait \u00e0 l&rsquo;aide de capillaires.<\/p>\n<h2>De la sensibilit\u00e9 des capillaires aux fluctuations de la temp\u00e9rature ambiante<\/h2>\n<p>\nCependant, une telle connexion capillaire est sensible aux fluctuations de la temp\u00e9rature ambiante, ce qui peut affecter la pr\u00e9cision de la mesure. Le producteur d&rsquo;antibiotiques l&rsquo;a \u00e9galement appris par lui-m\u00eame. <br \/>\nIl a install\u00e9 des transmetteurs de diff\u00e9rents fabricants, mais sans obtenir d&rsquo;am\u00e9lioration. Aucun instrument n&rsquo;\u00e9tait en mesure de compenser les temp\u00e9ratures ambiantes \u00e9lev\u00e9es.<\/p>\n<p>Bien s\u00fbr, il existe d&rsquo;autres m\u00e9thodes de mesure. Mais pour des raisons \u00e9conomiques, l&rsquo;entreprise pharmaceutique avait opt\u00e9 pour la mesure de pression diff\u00e9rentielle pour le contr\u00f4le du niveau. Elle fournit la pr\u00e9cision requise, alors que l&rsquo;investissement est nettement inf\u00e9rieur \u00e0 d&rsquo;autres m\u00e9thodes de mesure, comme le radar. <br \/>\nL&rsquo;avantage en termes de co\u00fbts s&rsquo;applique \u00e9galement \u00e0 la surveillance du niveau au moyen de la mesure \u00e9lectronique de la pression diff\u00e9rentielle, qui garantit d\u00e9sormais \u00e0 l&rsquo;entreprise pharmaceutique une d\u00e9tection fiable du niveau.<\/p>\n<p>&nbsp;<\/p>\n<h2>Connexion \u00e9lectrique entre l&rsquo;instrument primaire et secondaire<\/h2>\n<p>\nLe syst\u00e8me de mesure d\u00e9velopp\u00e9 par WIKA sous la d\u00e9signation de<a href=\"https:\/\/www.wika.com\/fr-fr\/dpt_el.WIKA\" rel=\"external\" target=\"_blank\"> mod\u00e8le DPT-EL<\/a> fonctionne avec deux transmetteurs de process. Ils sont dispos\u00e9s comme un instrument primaire et secondaire. La connexion entre les deux est constitu\u00e9e d&rsquo;un c\u00e2ble de signal. Elle est donc purement \u00e9lectrique et, par cons\u00e9quent, insensible \u00e0 la temp\u00e9rature ambiante. L&rsquo;instrument primaire du DPT-EL alimente l&rsquo;instrument secondaire. Le second transmetteur peut \u00e9galement \u00eatre param\u00e9tr\u00e9 via l&rsquo;\u00e9cran du transmetteur primaire ou l&rsquo;interface. La communication se fait par un bus interne.<\/p>\n<p>WIKA a instrument\u00e9 le syst\u00e8me de mesure pour le client pharmaceutique avec deux <a href=\"https:\/\/www.wika.com\/fr-fr\/ipt_20_ipt_21.WIKA\" rel=\"external\" target=\"_blank\">transmetteurs de process mod\u00e8le IPT-20<\/a>. En raison des exigences en mati\u00e8re d&rsquo;hygi\u00e8ne et de s\u00e9curit\u00e9, les instruments de mesure ont d\u00fb \u00eatre raccord\u00e9s au process \u00e0 l&rsquo;aide d&rsquo;un s\u00e9parateur appropri\u00e9e, dans ce cas pr\u00e9cis, le <a href=\"https:\/\/www.wika.com\/fr-fr\/990_22_990_52_990_53.WIKA\" rel=\"external\" target=\"_blank\">mod\u00e8le 990.22 avec raccord st\u00e9rile<\/a>. Un tel dispositif de mesure offre une pr\u00e9cision allant jusqu&rsquo;\u00e0 0,1 % de l&rsquo;\u00e9chelle.<\/p>\n<h2>Conclusion<\/h2>\n<p>\nAvec la mesure \u00e9lectronique de la pression diff\u00e9rentielle, la surveillance du niveau dans l&rsquo;industrie pharmaceutique b\u00e9n\u00e9ficie d&rsquo;une solution de mesure tr\u00e8s pr\u00e9cise qui peut \u00eatre appliqu\u00e9e de mani\u00e8re flexible. Elle est particuli\u00e8rement adapt\u00e9e aux mesures de niveau o\u00f9 les instruments de mesure de pression diff\u00e9rentielle avec capillaires atteignent leurs limites, c&rsquo;est-\u00e0-dire en cas de temp\u00e9ratures ambiantes fluctuantes ou de distances trop grandes pour la transmission de la pression. En revanche, en cas de pressions statiques \u00e9lev\u00e9es par rapport \u00e0 de petites pressions diff\u00e9rentielles, il est recommand\u00e9 de recourir \u00e0 la mesure de pression diff\u00e9rentielle classique.<\/p>\n<p>Deux transmetteurs de process (mod\u00e8le IPT-2x ou CPT-2x) sont disponibles pour le syst\u00e8me \u00e9lectronique de mesure de la pression diff\u00e9rentielle DPT-EL, en fonction des exigences ; une combinaison des deux est \u00e9galement possible. Avec les deux instruments, il est \u00e9galement possible de r\u00e9gler individuellement l\u2019\u00e9chelle de mesure gr\u00e2ce \u00e0 la fonction de rangeabilit\u00e9.<\/p>\n<p>&nbsp;<\/p>\n\n      <div class=\"wp-caption alignnone\" style=\"max-width:667px;\"><img decoding=\"async\" src=\"https:\/\/blog.wika.com\/fr\/files\/2023\/02\/textbild_ipt_fuellstand_fw-838x279-1-388x129.jpg\" \/><p class=\"wp-caption-text\">Le transmetteur de pression diff\u00e9rentielle \u00e9lectronique DPT-EL assure une surveillance s\u00fbre et tr\u00e8s pr\u00e9cise des niveaux dans les applications de l&rsquo;industrie pharmaceutique. Ces transmetteurs de process, associ\u00e9s \u00e0 des s\u00e9parateurs pour les applications st\u00e9riles, sont reli\u00e9s par un c\u00e2ble de signal.<\/p><\/div>\n    \n<p>&nbsp;<\/p>\n<h2>Note<\/h2>\n<p>\nVous trouverez de plus amples informations sur le syst\u00e8me de mesure d\u00e9crit ici dans notre article \u00ab\u00a0Mesure \u00e9lectronique de la pression diff\u00e9rentielle pour la surveillance du niveau\u00a0\u00bb. Sur le <a href=\"https:\/\/www.wika.com\/fr-fr\/page_d_accueil.WIKA\" rel=\"external\" target=\"_blank\">site Web de WIKA<\/a>, vous trouverez \u00e9galement des d\u00e9tails techniques sur le syst\u00e8me DPT-EL et les transmetteurs de process correspondants, mod\u00e8le IPT-2x et mod\u00e8le CPT-2x.<\/p>\n<p>Si vous avez des questions, un interlocuteur WIKA se fera un plaisir de vous aider.<br \/>\nVous pouvez \u00e9galement en savoir davantage sur la fonction de rangeabilit\u00e9 des transmetteurs de process WIKA dans la vid\u00e9o suivante :<\/p>\n<div data-fullscreen=\"disabled\" data-mode=\"normal\" data-oembed=\"1\" data-provider=\"youtube\" data-reset-after-played id=\"arve-youtube-ejko62r01ry\" style=\"max-width:900px;\" class=\"arve\">\n<div class=\"arve-inner\">\n<div style=\"aspect-ratio:500\/281\" class=\"arve-embed arve-embed--has-aspect-ratio\">\n<div class=\"arve-ar\" style=\"padding-top:56.200000%\"><\/div>\n<p>\t\t\t<iframe allow=\"accelerometer &apos;none&apos;;autoplay &apos;none&apos;;bluetooth &apos;none&apos;;browsing-topics &apos;none&apos;;camera &apos;none&apos;;clipboard-read &apos;none&apos;;clipboard-write;display-capture &apos;none&apos;;encrypted-media &apos;none&apos;;gamepad &apos;none&apos;;geolocation &apos;none&apos;;gyroscope &apos;none&apos;;hid &apos;none&apos;;identity-credentials-get &apos;none&apos;;idle-detection &apos;none&apos;;keyboard-map &apos;none&apos;;local-fonts;magnetometer &apos;none&apos;;microphone &apos;none&apos;;midi &apos;none&apos;;otp-credentials &apos;none&apos;;payment &apos;none&apos;;picture-in-picture;publickey-credentials-create &apos;none&apos;;publickey-credentials-get &apos;none&apos;;screen-wake-lock &apos;none&apos;;serial &apos;none&apos;;summarizer &apos;none&apos;;sync-xhr;usb &apos;none&apos;;web-share;window-management &apos;none&apos;;xr-spatial-tracking &apos;none&apos;;\" allowfullscreen=\"\" class=\"arve-iframe fitvidsignore\" credentialless data-arve=\"arve-youtube-ejko62r01ry\" data-lenis-prevent=\"\" data-src-no-ap=\"https:\/\/www.youtube-nocookie.com\/embed\/ejkO62R01rY?feature=oembed&amp;iv_load_policy=3&amp;modestbranding=1&amp;rel=0&amp;autohide=1&amp;playsinline=0&amp;autoplay=0&amp;enablejsapi=1\" frameborder=\"0\" height=\"505.8\" loading=\"lazy\" name=\"\" referrerpolicy=\"strict-origin-when-cross-origin\" sandbox=\"allow-scripts allow-same-origin allow-presentation allow-popups allow-popups-to-escape-sandbox\" scrolling=\"no\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/ejkO62R01rY?feature=oembed&#038;iv_load_policy=3&#038;modestbranding=1&#038;rel=0&#038;autohide=1&#038;playsinline=0&#038;autoplay=0&#038;enablejsapi=1\" title=\"What is turndown with process transmitters? | Advantages of the turndown function\" width=\"900\"><\/iframe><\/p><\/div>\n<\/p><\/div>\n<p>\t<script type=\"application\/ld+json\">{\"@context\":\"http:\\\/\\\/schema.org\\\/\",\"@id\":\"https:\\\/\\\/blog.wika.com\\\/fr\\\/general\\\/industrie-pharmaceutique-controle-de-niveau-par-pression-differentielle\\\/#arve-youtube-ejko62r01ry\",\"type\":\"VideoObject\",\"embedURL\":\"https:\\\/\\\/www.youtube-nocookie.com\\\/embed\\\/ejkO62R01rY?feature=oembed&iv_load_policy=3&modestbranding=1&rel=0&autohide=1&playsinline=0&autoplay=0&enablejsapi=1\",\"name\":\"What is turndown with process transmitters? | Advantages of the turndown function\",\"thumbnailUrl\":\"https:\\\/\\\/i.ytimg.com\\\/vi\\\/ejkO62R01rY\\\/hqdefault.jpg\",\"uploadDate\":\"2021-12-01T08:51:16Z\",\"author\":\"WIKA Group\",\"description\":\"What does \\u201cturndown\\u201d actually mean? How do I set turndown with process transmitters and what advantages does it offer? In this video we explain the turndown function (sometimes also referred to as \\u201cspan adjustment\\u201d) in the field of electronic pressure measurement.\\n \\nTo measure pressure electronically, two types of instruments are normally used: pressure sensors and process transmitters. While both are used for many different industrial measuring tasks, process transmitters offer some additional functions in contrast to pressure sensors:\\n\\u2705 Direct setting of the measurement parameters on the instrument\\n\\u2705 Indication of important process information on the display\\n\\u2705 Setting of turndown\\n \\nWhat is meant by turndown?\\nThe turndown function is used to set a scaled range within the measuring range. Thus, turndown increases the measurement accuracy within this range. Turndown can be configured in the depressurised state; setting via HART or other bus systems is also possible.\\n \\n\\ud83d\\udccc In this video, the functionality of turndown is explained in more detail using an example:\\n\\u2705 A process pressure transmitter has a measuring range of 0 to 1.6 bar.\\n\\u2705 With the turndown function, a scaled range between 0.4 and 1.2 bar is selected. This range can be set individually within fixed limits.\\n\\u2705 Once set, the instrument only measures within this range.\\n\\u2705 Since the output signal of 4 to 20 mA is compressed into a smaller range, the measured values are more precise.\\n \\n\\ud83c\\udfaf Setting the turndown has several advantages:\\n\\u2705 Increased measurement accuracy within the scaled range\\n\\u2705 Cost reduction: a single model can be used in different measuring ranges. \\n\\u2705 Overload protection without sacrificing accuracy.\\n \\n\\ud83d\\udcf0 In the technical article on the subject of tips for the perfect turndown, you can find out what values are important when selecting a process pressure transmitter with turndown:  \\n \\n\\u27a1 You can find our flyer on process transmitters here:  \\n \\n\\ud83c\\udf10 Visit our website and discover our wide range of:\\nPressure sensors:  \\nProcess transmitters:  \\n \\n\\u25b6 Watch our other videos about pressure sensors:\\nAccuracy of pressure sensors  \\n4 reasons for a flush pressure connection  \\nConnecting sensors and actuators | I-Link  \\nOEM pressure sensor for mobile working machines | model MH-4  \\n \\n_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ \\n \\nFollow us on our social media channels:\\n\\ud83d\\udcfa YouTube: \\n\\ud83c\\udfaf LinkedIn: \\n\\n\\u25ac Contents of this video \\u25ac\\u25ac\\u25ac\\u25ac\\u25ac\\u25ac\\u25ac\\u25ac\\u25ac\\u25ac\\u25ac\\u25ac\\n0:00 Intro\\n0:13 Set up parameters for the process transmitter\\n0:28 Turndown function of the process transmitter\\n0:38 Set turndown and range of the process transmitter\\n1:18 Setting of the turndown via HART and other bus systems\\n1:25 Advantages of the turndown settings for process transmitters\"}<\/script><\/p>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dans de nombreux process de l&rsquo;industrie pharmaceutique, un contr\u00f4le fiable du niveau est indispensable. De nombreuses solutions sont disponibles pour cette t\u00e2che. Pour le contr\u00f4le du niveau dans la pr\u00e9paration des milieux de culture, par exemple, un fabricant d&rsquo;antibiotiques a opt\u00e9 pour le syst\u00e8me \u00e9lectronique de mesure de la pression diff\u00e9rentielle WIKA avec deux transmetteurs [&hellip;]<\/p>\n","protected":false},"author":126,"featured_media":9941,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[232,1],"tags":[255,394,533,374,294,388],"class_list":["post-9944","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-applications","category-general","tag-capteur-niveau","tag-mesure-de-pression","tag-pharmaceutique","tag-sparateurs-membrane","tag-transmetteur-pression-differentiel","tag-transmetteur-process"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pharmaceutique, contr\u00f4le de niveau par pression diff\u00e9rentielle - Blog WIKA<\/title>\n<meta name=\"description\" content=\"Dans de nombreux process pharmaceutique, un contr\u00f4le fiable du niveau est indispensable. 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