{"id":11982,"date":"2024-04-10T11:42:20","date_gmt":"2024-04-10T09:42:20","guid":{"rendered":"https:\/\/new.rls-wacon.de\/calculateur-de-durete-de-leau\/"},"modified":"2026-09-16T12:59:30","modified_gmt":"2026-09-16T10:59:30","slug":"calculateur-de-durete-de-leau","status":"publish","type":"page","link":"https:\/\/rls-wacon.de\/fr\/calculateur-de-durete-de-leau\/","title":{"rendered":"Calculateur de duret\u00e9 de l&rsquo;eau"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"11982\" class=\"elementor elementor-11982 elementor-10114\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-589e3e3 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"589e3e3\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-02d1c58\" data-id=\"02d1c58\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-21d8859 elementor-widget elementor-widget-shortcode\" data-id=\"21d8859\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">  <div class=\"rls-whr\" data-lang=\"fr\">\n        <header class=\"whr-hero\">\n      <div class=\"whr-w\">\n        <span class=\"whr-eb\">\u2014 Toutes les unit\u00e9s en un coup d&#039;\u0153il<\/span>\n        <h1>Calculateur de duret\u00e9 de l&#039;eau<\/h1>\n        <p class=\"whr-lead\">Convertissez votre mesure en quelques secondes entre toutes les unit\u00e9s \u2014 \u00b0f, \u00b0dH, \u00b0e, ppm CaCO\u2083, mmol\/l et meq\/l. \u00c9galement pour le TAC, le phosphate, le sulfite, le nitrate, l&#039;ammonium et la conductivit\u00e9.<\/p>\n      <\/div>\n      <div class=\"whr-wave\" aria-hidden=\"true\"><svg viewBox=\"0 0 1000 100\" preserveAspectRatio=\"none\"><path d=\"M421.9,6.5c22.6-2.5,51.5,0.4,75.5,5.3c23.6,4.9,70.9,23.5,100.5,35.7c75.8,32.2,133.7,44.5,192.6,49.7c23.6,2.1,48.7,3.5,103.4-2.5c54.7-6,106.2-25.6,106.2-25.6V0H0v30.3c0,0,72,32.6,158.4,30.5c39.2-0.7,92.8-6.7,134-22.4c21.2-8.1,52.2-18.2,79.7-24.2C399.3,7.9,411.6,7.5,421.9,6.5z\"><\/path><\/svg><\/div>\n    <\/header>\n    \n    <div class=\"whr-w whr-main\">\n\n      <section class=\"whr-tool\" aria-label=\"Calculateur de duret\u00e9 de l&#039;eau\">\n        <span class=\"whr-lbl whr-steplbl\"><span class=\"whr-step\">1<\/span>Param\u00e8tre<\/span>\n        <div class=\"whr-pills\" role=\"group\" aria-label=\"\u2014 Toutes les unit\u00e9s en un coup d&#039;\u0153il\">\n                      <button type=\"button\" class=\"whr-pill is-on\" data-param=\"gesamt\" aria-pressed=\"true\">Duret\u00e9 totale (TH)<\/button>\n                      <button type=\"button\" class=\"whr-pill\" data-param=\"carbonat\" aria-pressed=\"false\">Duret\u00e9 carbonat\u00e9e (TAC)<\/button>\n                      <button type=\"button\" class=\"whr-pill\" data-param=\"phosphat\" aria-pressed=\"false\">Phosphate<\/button>\n                      <button type=\"button\" class=\"whr-pill\" data-param=\"sulfit\" aria-pressed=\"false\">Sulfite<\/button>\n                      <button type=\"button\" class=\"whr-pill\" data-param=\"nitrat\" aria-pressed=\"false\">Nitrate<\/button>\n                      <button type=\"button\" class=\"whr-pill\" data-param=\"ammonium\" aria-pressed=\"false\">Ammonium<\/button>\n                      <button type=\"button\" class=\"whr-pill\" data-param=\"leitfaehigkeit\" aria-pressed=\"false\">Conductivit\u00e9<\/button>\n                  <\/div>\n\n        <div class=\"whr-inrow\">\n          <label class=\"whr-field\" for=\"whrVal\">\n            <span class=\"whr-lbl\"><span class=\"whr-step\">2<\/span>Saisir la valeur<\/span>\n            <input id=\"whrVal\" type=\"text\" inputmode=\"decimal\" autocomplete=\"off\" value=\"25\">\n          <\/label>\n          <label class=\"whr-field\" for=\"whrUnit\">\n            <span class=\"whr-lbl\"><span class=\"whr-step\">3<\/span>Unit\u00e9<\/span>\n            <span class=\"whr-selwrap\"><select id=\"whrUnit\">\n              <option value=\"0\">\u00b0f<\/option><option value=\"1\">\u00b0dH<\/option><option value=\"2\">\u00b0e<\/option><option value=\"3\">ppm CaCO\u2083<\/option><option value=\"4\">mmol\/l<\/option><option value=\"5\">meq\/l<\/option>            <\/select><\/span>\n          <\/label>\n        <\/div>\n\n        <span class=\"whr-lbl whr-steplbl\"><span class=\"whr-step\">4<\/span>R\u00e9sultat<\/span>\n        <div class=\"whr-scale\" id=\"whrScale\">\n          <div class=\"whr-scale-track\" role=\"img\" aria-label=\"Type d&#039;eau :\">\n            <span class=\"whr-zone z1\" style=\"flex:8\"><\/span><span class=\"whr-zone z2\" style=\"flex:7\"><\/span><span class=\"whr-zone z3\" style=\"flex:10\"><\/span><span class=\"whr-zone z4\" style=\"flex:10\"><\/span><span class=\"whr-zone z5\" style=\"flex:10\"><\/span>            <span class=\"whr-marker\" id=\"whrMarker\" style=\"left:55.56%\"><\/span>\n          <\/div>\n          <div class=\"whr-scale-labels\"><span style=\"flex:8\">tr\u00e8s douce<\/span><span style=\"flex:7\">douce<\/span><span style=\"flex:10\">moyennt. dure<\/span><span style=\"flex:10\">dure<\/span><span style=\"flex:10\">tr\u00e8s dure<\/span><\/div>\n          <div class=\"whr-range\" id=\"whrRange\" aria-live=\"polite\">Type d&#039;eau : <b>dure<\/b><\/div>\n        <\/div>\n\n        <div class=\"whr-res\" id=\"whrRes\">\n                      <div class=\"whr-row is-input\">\n              <span class=\"rn\">Degr\u00e9 fran\u00e7ais <span class=\"tag\">Votre valeur<\/span><\/span>\n              <span class=\"rv\">25<\/span>\n              <span class=\"ru\">\u00b0f<\/span>\n            <\/div>\n                      <div class=\"whr-row\">\n              <span class=\"rn\">Degr\u00e9 allemand<\/span>\n              <span class=\"rv\">14,007<\/span>\n              <span class=\"ru\">\u00b0dH<\/span>\n            <\/div>\n                      <div class=\"whr-row\">\n              <span class=\"rn\">Degr\u00e9 anglais<\/span>\n              <span class=\"rv\">17,538<\/span>\n              <span class=\"ru\">\u00b0e<\/span>\n            <\/div>\n                      <div class=\"whr-row\">\n              <span class=\"rn\">ppm \/ degr\u00e9 US<\/span>\n              <span class=\"rv\">250<\/span>\n              <span class=\"ru\">ppm CaCO\u2083<\/span>\n            <\/div>\n                      <div class=\"whr-row\">\n              <span class=\"rn\">Ions alcalino-terreux<\/span>\n              <span class=\"rv\">2,4979<\/span>\n              <span class=\"ru\">mmol\/l<\/span>\n            <\/div>\n                      <div class=\"whr-row\">\n              <span class=\"rn\">Ions alcalino-terreux<\/span>\n              <span class=\"rv\">4,9958<\/span>\n              <span class=\"ru\">meq\/l<\/span>\n            <\/div>\n                  <\/div>\n\n        <p class=\"whr-note\">R\u00e9sultats sans garantie \u00b7 L&#039;\u00e9chelle suit la classification fran\u00e7aise en \u00b0f (\u00e0 titre indicatif).<\/p>\n      <\/section>\n\n      <section class=\"whr-steck\" aria-label=\"Fiche param\u00e8tre\">\n        <div class=\"whr-steck-head\">\n          <span class=\"peb\">Fiche param\u00e8tre<\/span>\n          <h2 id=\"stTitle\">Duret\u00e9 totale (TH)<\/h2>\n          <p class=\"whr-steck-lead\" id=\"stLead\">La somme des ions calcium et magn\u00e9sium \u2014 la valeur cl\u00e9 contre le calcaire.<\/p>\n        <\/div>\n        <div class=\"whr-steck-grid\">\n          <dl class=\"whr-facts\" id=\"stFacts\">\n            <div class=\"whr-fact\"><dt>D\u00e9finition<\/dt><dd>La duret\u00e9 totale (TH, titre hydrotim\u00e9trique) est la somme des ions calcium et magn\u00e9sium dissous. En France, elle s&#039;exprime en degr\u00e9s fran\u00e7ais (\u00b0f) : 1 \u00b0f = 10 mg\/l de CaCO\u2083.<\/dd><\/div><div class=\"whr-fact\"><dt>Pourquoi la mesurer<\/dt><dd>C&#039;est la valeur cl\u00e9 contre le calcaire : en chauffant, le carbonate de calcium se d\u00e9pose (tartre) dans les chaudi\u00e8res, \u00e9changeurs, ballons et canalisations, r\u00e9duit le rendement et augmente les co\u00fbts d&#039;\u00e9nergie et de maintenance.<\/dd><\/div><div class=\"whr-fact\"><dt>O\u00f9 la mesurer<\/dt><dd>\u00c0 l&#039;entr\u00e9e (eau brute), en sortie d&#039;adoucisseur (contr\u00f4le de la duret\u00e9 r\u00e9siduelle) et en continu dans l&#039;eau de chaudi\u00e8re et de refroidissement.<\/dd><\/div><div class=\"whr-fact\"><dt>Valeurs typiques<\/dt><dd>Eau potable env. 8\u201340 \u00b0f (douce \u00e0 tr\u00e8s dure). L&#039;eau d&#039;alimentation de chaudi\u00e8re adoucie vise une duret\u00e9 r\u00e9siduelle proche de 0 \u00b0f.<\/dd><\/div><div class=\"whr-fact\"><dt>Mesure<\/dt><dd>Par titrage (goutte \u00e0 goutte), test de seuil rapide ou analyse en ligne (SYCON \/ LIMES).<\/dd><\/div><div class=\"whr-fact\"><dt>Bon \u00e0 savoir<\/dt><dd>Le TAC (duret\u00e9 carbonat\u00e9e) est la part de la duret\u00e9 totale qui pr\u00e9cipite en chauffant \u2014 les deux valeurs sont donc souvent \u00e9tudi\u00e9es ensemble.<\/dd><\/div>          <\/dl>\n          <div class=\"whr-steck-prod\">\n            <span class=\"peb\">Produits adapt\u00e9s<\/span>\n            <div class=\"whr-plist\" id=\"whrProd\">\n                              <a class=\"whr-prow\" href=\"https:\/\/rls-wacon.de\/fr\/produkt\/sycon-2802\/\" target=\"_blank\" rel=\"noopener\">\n                  <span class=\"whr-prow-img\"><img decoding=\"async\" src=\"https:\/\/rls-wacon.de\/wp-content\/uploads\/2026\/03\/Sycon-2802-im-Gehaeuse-2.png\" alt=\"SYCON 2802\" loading=\"lazy\"><\/span>\n                  <span class=\"whr-prow-tx\"><span class=\"peb\">Analyse en ligne<\/span><span class=\"whr-prow-n\">SYCON 2802<\/span><\/span>\n                  <span class=\"whr-prow-cta\" aria-hidden=\"true\">\u2192<\/span>\n                <\/a>\n                              <a class=\"whr-prow\" href=\"https:\/\/rls-wacon.de\/fr\/produkt\/caldur-durete-totale-gh-titration\/\" target=\"_blank\" rel=\"noopener\">\n                  <span class=\"whr-prow-img\"><img decoding=\"async\" src=\"https:\/\/rls-wacon.de\/wp-content\/uploads\/2026\/04\/31-07132020-20Testset20Gesamthaerte20GH.jpg\" alt=\"Caldur\u00ae Duret\u00e9 totale GH\" loading=\"lazy\"><\/span>\n                  <span class=\"whr-prow-tx\"><span class=\"peb\">Kit de test \u00b7 titrage<\/span><span class=\"whr-prow-n\">Caldur\u00ae Duret\u00e9 totale GH<\/span><\/span>\n                  <span class=\"whr-prow-cta\" aria-hidden=\"true\">\u2192<\/span>\n                <\/a>\n                              <a class=\"whr-prow\" href=\"https:\/\/rls-wacon.de\/fr\/produkt\/haertekontrollgeraet-limes\/\" target=\"_blank\" rel=\"noopener\">\n                  <span class=\"whr-prow-img\"><img decoding=\"async\" src=\"https:\/\/rls-wacon.de\/wp-content\/uploads\/2023\/03\/LIMES-Base.png\" alt=\"Contr\u00f4leur de duret\u00e9 LIMES\" loading=\"lazy\"><\/span>\n                  <span class=\"whr-prow-tx\"><span class=\"peb\">Indicateur (appareil)<\/span><span class=\"whr-prow-n\">Contr\u00f4leur de duret\u00e9 LIMES<\/span><\/span>\n                  <span class=\"whr-prow-cta\" aria-hidden=\"true\">\u2192<\/span>\n                <\/a>\n                          <\/div>\n          <\/div>\n        <\/div>\n      <\/section>\n\n            <section class=\"whr-info\">\n                  <h2>Le calculateur de duret\u00e9 de RLS Wacon<\/h2>\n          <p>Cet outil convertit votre mesure entre toutes les unit\u00e9s courantes en quelques secondes \u2014 pour la duret\u00e9 totale (TH) et carbonat\u00e9e (TAC) ainsi que les param\u00e8tres d'eau de chaudi\u00e8re : phosphate, sulfite, nitrate, ammonium et conductivit\u00e9. Choisissez un param\u00e8tre, saisissez votre valeur et son unit\u00e9 \u2014 vous obtenez aussit\u00f4t toutes les unit\u00e9s, le type d'eau et la m\u00e9thode de mesure adapt\u00e9e.<\/p>\n                  <h2>Unit\u00e9s &amp; conversion<\/h2>\n          <p>R\u00e8gle pratique : <b>1 \u00b0f = 0,56 \u00b0dH = 0,70 \u00b0e = 10 ppm CaCO\u2083 = 0,10 mmol\/l = 0,20 meq\/l<\/b>. Rapprochez en un instant les indications des fabricants, des laboratoires et de votre distributeur d'eau.<\/p>\n              <\/section>\n      \n    <\/div>\n    <div class=\"whr-foot\"><div class=\"whr-foot-wave\" aria-hidden=\"true\"><svg viewBox=\"0 0 1000 100\" preserveAspectRatio=\"none\"><path d=\"M421.9,6.5c22.6-2.5,51.5,0.4,75.5,5.3c23.6,4.9,70.9,23.5,100.5,35.7c75.8,32.2,133.7,44.5,192.6,49.7c23.6,2.1,48.7,3.5,103.4-2.5c54.7-6,106.2-25.6,106.2-25.6V0H0v30.3c0,0,72,32.6,158.4,30.5c39.2-0.7,92.8-6.7,134-22.4c21.2-8.1,52.2-18.2,79.7-24.2C399.3,7.9,411.6,7.5,421.9,6.5z\"><\/path><\/svg><\/div><\/div>  <\/div>\n  <script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"WebApplication\",\"name\":\"Calculateur de duret\u00e9 de l'eau\",\"url\":\"https:\/\/rls-wacon.de\/fr\/calculateur-de-durete-de-leau\/\",\"applicationCategory\":\"UtilitiesApplication\",\"operatingSystem\":\"Web\",\"description\":\"Convertissez votre mesure en quelques secondes entre toutes les unit\u00e9s \u2014 \u00b0f, \u00b0dH, \u00b0e, ppm CaCO\u2083, mmol\/l et meq\/l. \u00c9galement pour le TAC, le phosphate, le sulfite, le nitrate, l'ammonium et la conductivit\u00e9.\",\"offers\":{\"@type\":\"Offer\",\"price\":\"0\",\"priceCurrency\":\"EUR\"}}<\/script><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"RLS Wacon analytics\",\"item\":\"https:\/\/rls-wacon.de\/fr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Calculateur de duret\u00e9 de l'eau\",\"item\":\"https:\/\/rls-wacon.de\/fr\/calculateur-de-durete-de-leau\/\"}]}<\/script><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Calculateur de duret\u00e9 de l&rsquo;eau La connaissance de la duret\u00e9 de l&rsquo;eau et l&rsquo;ajustement appropri\u00e9 sont essentiels au bon fonctionnement de nombreuses installations industrielles. Utilisez notre calculateur de duret\u00e9 de l&rsquo;eau pour convertir facilement la duret\u00e9 de votre eau en \u00b0dH, \u00b0f, \u00b0e, ppm, mval\/l et mol\/l. Duret\u00e9 totale Duret\u00e9 carbonat\u00e9e Phosphate Sulfite 1. entrer [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_yoast_wpseo_title":"Calculateur de duret\u00e9 de l'eau : \u00b0f, TH & TAC | RLS Wacon","_yoast_wpseo_metadesc":"Convertissez la duret\u00e9 de l'eau en ligne \u2013 TH, TAC, phosphate, sulfite\u2026 entre \u00b0f, \u00b0dH, ppm CaCO\u2083 et mmol\/l. Avec type d'eau et produits adapt\u00e9s.","_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_opengraph-title":"","_yoast_wpseo_opengraph-description":"","_yoast_wpseo_opengraph-image":"","_yoast_wpseo_opengraph-image-id":"","footnotes":""},"class_list":["post-11982","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.4 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Calculateur de duret\u00e9 de l&#039;eau : \u00b0f, TH &amp; TAC | RLS Wacon<\/title>\n<meta name=\"description\" content=\"Convertissez la duret\u00e9 de l&#039;eau en ligne \u2013 TH, TAC, phosphate, sulfite\u2026 entre \u00b0f, \u00b0dH, ppm CaCO\u2083 et mmol\/l. 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