{"id":23759,"date":"2026-06-26T10:10:38","date_gmt":"2026-06-26T10:10:38","guid":{"rendered":"https:\/\/www.kcsensor.com\/?p=23759"},"modified":"2026-06-26T10:10:41","modified_gmt":"2026-06-26T10:10:41","slug":"kws-700-high-precision-online-ph-sensor-for-real-time-industrial-wastewater-monitoring","status":"publish","type":"post","link":"https:\/\/www.kcsensor.com\/fr\/kws-700-high-precision-online-ph-sensor-for-real-time-industrial-wastewater-monitoring\/","title":{"rendered":"Capteur de pH en ligne haute pr\u00e9cision KWS-700 pour la surveillance en temps r\u00e9el des eaux us\u00e9es industrielles"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>1. Contexte du projet<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Une usine de produits chimiques situ\u00e9e dans l'est de la Chine traite des eaux us\u00e9es complexes contenant \u00e0 la fois des composants acides et alcalins. Afin de respecter la r\u00e9glementation en mati\u00e8re de rejets dans l'environnement, l'usine devait <strong>surveillance continue du pH en ligne<\/strong>&nbsp;au niveau de son point de rejet des eaux us\u00e9es. L'\u00e9chantillonnage manuel n'\u00e9tait pas suffisamment r\u00e9actif pour d\u00e9tecter les variations rapides du pH, ce qui entra\u00eenait des risques potentiels de non-conformit\u00e9.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-1 wp-block-paragraph\">Pour rem\u00e9dier \u00e0 cela, l'\u00e9tablissement a choisi le <strong><a href=\"\/fr\/product\/kws-700-ph-sensor-for-long-term-monitoring-of-industrial-sewage-outlets\/\" target=\"_blank\" rel=\"noreferrer noopener\">Capteur de pH en ligne haute pr\u00e9cision KWS-700<\/a><\/strong>\u00a0pour la surveillance en temps r\u00e9el et le contr\u00f4le automatis\u00e9 des processus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Image<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. Configuration et principaux avantages<\/strong><strong><\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Bo\u00eetier en alliage de titane<\/strong><br>Offre une excellente r\u00e9sistance \u00e0 la corrosion en cas d'immersion prolong\u00e9e dans des eaux us\u00e9es industrielles.<\/li>\n\n\n\n<li><strong>\u00c9lectrode de pH haute pr\u00e9cision<\/strong><br>Offre une pr\u00e9cision de mesure sup\u00e9rieure \u00e0 celle des \u00e9lectrodes industrielles standard (g\u00e9n\u00e9ralement \u00b10,01 pH).<\/li>\n\n\n\n<li><strong>Compensation de temp\u00e9rature int\u00e9gr\u00e9e<\/strong><br>Garantit la coh\u00e9rence des mesures de pH quelle que soit la temp\u00e9rature des eaux us\u00e9es.<\/li>\n\n\n\n<li><strong>Sortie RS485 (Modbus RTU)<\/strong><br>Permet une int\u00e9gration directe avec les syst\u00e8mes PLC\/DCS pour la visualisation des donn\u00e9es en temps r\u00e9el et la g\u00e9n\u00e9ration d'alertes.<\/li>\n\n\n\n<li><strong>Indice de protection IP68<\/strong><br>Convient \u00e0 un fonctionnement en ligne continu et immerg\u00e9.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. Installation et int\u00e9gration<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le capteur a \u00e9t\u00e9 install\u00e9 au niveau du canal de rejet des eaux us\u00e9es, en veillant \u00e0 ce que la sonde soit enti\u00e8rement immerg\u00e9e et \u00e0 l'abri de toute interf\u00e9rence due \u00e0 l'air. L'\u00e9talonnage a \u00e9t\u00e9 effectu\u00e9 sur site \u00e0 l'aide de solutions tampons standard (pH 4,00 et pH 7,00). La sortie RS485 a \u00e9t\u00e9 connect\u00e9e directement au PLC\/DCS de l'usine. Les seuils d'alarme ont \u00e9t\u00e9 configur\u00e9s en fonction des limites r\u00e9glementaires.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Image<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. Performance op\u00e9rationnelle<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Apr\u00e8s <strong>6 mois de fonctionnement continu<\/strong>, les indicateurs cl\u00e9s de performance comprenaient :<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Syst\u00e8me m\u00e9trique<\/strong><strong><\/strong><\/td><td><strong>Plage observ\u00e9e<\/strong><strong><\/strong><\/td><td><strong>Commentaires<\/strong><strong><\/strong><\/td><\/tr><tr><td>Valeur du pH<\/td><td>6.4\u20138.5<\/td><td>Dans les limites r\u00e9glementaires<\/td><\/tr><tr><td>\u00c9v\u00e9nements d'alarme<\/td><td>environ 2 par mois<\/td><td>Li\u00e9 \u00e0 de br\u00e8ves variations de production<\/td><\/tr><tr><td>Continuit\u00e9 des donn\u00e9es<\/td><td>\u2265 99%<\/td><td>Syst\u00e8me de reporting en ligne performant<\/td><\/tr><tr><td>D\u00e9rive<\/td><td>&lt; \u00b10,03 pH<\/td><td>Fonctionnement stable \u00e0 long terme<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Le capteur a d\u00e9tect\u00e9 de mani\u00e8re fiable les fluctuations de pH, ne d\u00e9clenchant des alertes qu'en cas de v\u00e9ritables \u00e9carts par rapport au processus, avec plus de <strong>99%<\/strong>&nbsp;de donn\u00e9es se situant dans des fourchettes acceptables.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5. R\u00e9sum\u00e9 du projet<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le capteur de pH en ligne haute pr\u00e9cision KWS-700 a permis :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Surveillance continue et en temps r\u00e9el du pH au niveau des rejets d'eaux us\u00e9es industrielles<\/li>\n\n\n\n<li>Int\u00e9gration transparente avec les syst\u00e8mes de contr\u00f4le (PLC\/DCS)<\/li>\n\n\n\n<li>Prise en charge automatis\u00e9e des alarmes et du contr\u00f4le des processus<\/li>\n\n\n\n<li>Renforcement de la garantie de conformit\u00e9 et de la confiance op\u00e9rationnelle<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Gr\u00e2ce \u00e0 son bo\u00eetier robuste et \u00e0 sa grande pr\u00e9cision, le capteur a r\u00e9pondu aux besoins de surveillance en ligne \u00e0 long terme de l'usine, dans un environnement industriel exigeant.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-2 wp-block-paragraph\">Pour plus de d\u00e9tails techniques, des sch\u00e9mas de c\u00e2blage ou des conseils sur le choix d'un mod\u00e8le, veuillez cliquer sur <strong><a href=\"\/fr\/contact-us\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.kcsensor.com\/contact-us\/\" rel=\"noreferrer noopener\">ici<\/a><\/strong> pour en savoir plus ou contacter notre \u00e9quipe technique.<\/p>","protected":false},"excerpt":{"rendered":"<p>1. Project Background A chemical manufacturing facility in Eastern China operates with complex wastewater containing both acidic and alkaline constituents. To meet environmental discharge regulations, the plant required continuous online pH monitoring&nbsp;at its wastewater outlet. Manual sampling was not responsive enough to capture rapid pH shifts, leading to potential compliance risks. To address this, the [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[294],"tags":[],"class_list":["post-23759","post","type-post","status-publish","format-standard","hentry","category-cases"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.kcsensor.com\/fr\/wp-json\/wp\/v2\/posts\/23759","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kcsensor.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kcsensor.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kcsensor.com\/fr\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kcsensor.com\/fr\/wp-json\/wp\/v2\/comments?post=23759"}],"version-history":[{"count":0,"href":"https:\/\/www.kcsensor.com\/fr\/wp-json\/wp\/v2\/posts\/23759\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.kcsensor.com\/fr\/wp-json\/wp\/v2\/media?parent=23759"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kcsensor.com\/fr\/wp-json\/wp\/v2\/categories?post=23759"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kcsensor.com\/fr\/wp-json\/wp\/v2\/tags?post=23759"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}