{"id":11206,"date":"2024-11-25T22:14:03","date_gmt":"2024-11-25T22:14:03","guid":{"rendered":"https:\/\/www.solinst.com\/echantillonnage-a-plusieurs-niveaux-options-et-conseils-utiles\/"},"modified":"2026-01-15T19:31:25","modified_gmt":"2026-01-15T19:31:25","slug":"echantillonnage-a-plusieurs-niveaux-options-et-conseils-utiles","status":"publish","type":"page","link":"https:\/\/www.solinst.com\/fr\/produits\/systemes-multiniveaux\/403-cmt-systemes-multiniveaux\/403-bulletins-techniques-et-etudes-de-cas-du-cmt\/echantillonnage-a-plusieurs-niveaux-options-et-conseils-utiles\/","title":{"rendered":"\u00c9chantillonnage \u00e0 plusieurs niveaux Options et conseils utiles"},"content":{"rendered":"<p>[et_pb_section fb_built=\u00a0\u00bb1&Prime; admin_label=\u00a0\u00bbH1 and breadcrumbs\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.2&Prime; _module_preset=\u00a0\u00bb792ca5bd-0808-46bd-9ce7-3bcb8e74f4d3&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.27.2&Prime; _module_preset=\u00a0\u00bb4b28f470-0d73-4e9d-b92d-e6f41f2cea24&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.25.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.2&Prime; _module_preset=\u00a0\u00bb3078f328-b50a-467d-9906-3143dabcd7ac\u00a0\u00bb header_text_align_tablet=\u00a0\u00bb\u00a0\u00bb header_text_align_phone=\u00a0\u00bb\u00a0\u00bb header_text_align_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h1 role=\"heading\" aria-level=\"2\" data-uw-rm-heading=\"level\">L&rsquo;\u00e9chantillonnage \u00e0 plusieurs niveaux : Options et conseils utiles<\/h1>\n<p>[\/et_pb_text][dsm_breadcrumbs disabled_on=\u00a0\u00bbon|off|off\u00a0\u00bb admin_label=\u00a0\u00bbbreadcrumbs below landing pages with mobile view off\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb home_icon_text_color=\u00a0\u00bb#d6d6d6&Prime; global_module=\u00a0\u00bb4283&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/dsm_breadcrumbs][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; admin_label=\u00a0\u00bbMobile-Only Nav with Offset\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bb4759a92f-4b27-4854-bb2c-299854634e93&Prime; display_conditions=\u00a0\u00bbW10=\u00a0\u00bb sticky_offset_top=\u00a0\u00bb127px\u00a0\u00bb global_module=\u00a0\u00bb2935&Prime; saved_tabs=\u00a0\u00bball\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.27.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb width=\u00a0\u00bb90%\u00a0\u00bb custom_margin=\u00a0\u00bb0px||0px||true|false\u00a0\u00bb custom_padding=\u00a0\u00bb0px||0px||true|false\u00a0\u00bb 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onchange=\"location = this.value;\"><!-- [et_pb_line_break_holder] --><option value=\"\">403 Menu Syst\u00e8mes multiniveaux CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/\">403 CMT Multilevel Systems Main Page<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/403-cmt-multilevel-system\/get-quote.php\">Obtenir un devis<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/Forms\/sol.php\">Envoyez-moi des informations<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/why-multilevels\/\">Pourquoi des niveaux multiples ?<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/why-multilevels\/what-is-a-multilevel-system\/\">Qu&rsquo;est-ce qu&rsquo;un syst\u00e8me multi-niveaux ?<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/why-multilevels\/flash-demo.php\">-Technologie multiniveaux (D\u00e9monstration vid\u00e9o)<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/why-multilevels\/multilevel-system-comparison\/\">-Comparaison des syst\u00e8mes \u00e0 plusieurs niveaux<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/why-multilevels\/why-multilevels.pdf\">-T\u00e9l\u00e9charger le PDF<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/datasheet\/\">Fiche technique<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/datasheet\/applications-advantages-of-cmt-multilevel-systems\/\">-Applications et avantages de la CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/datasheet\/multichannel-tubing\/\">-Tubes multicanaux<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/datasheet\/seals-and-sand-packs\/\">-Sceaux et paquets de sable<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/datasheet\/multilevel-monitoring-is-essential\/\">-Les niveaux multiples sont essentiels<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/datasheet\/cmt-monitoring-options\/\">-Options de surveillance<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/datasheet\/cmt-field-applications\/\">-Applications sur le terrain<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/datasheet\/cmt-contractors-training-program\/\">-Programmes de formation<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/data\/403.pdf\">-T\u00e9l\u00e9charger le PDF<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/403-cmt-multilevel-system\/operating-instructions\/\">Instructions<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/\">-Manuel d&rsquo;assemblage du syst\u00e8me multiniveau CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/pre-installation-requirements\/\">&#8211;Exigences pr\u00e9alables \u00e0 l&rsquo;installation<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/introduction\/\">&#8211;Introduction<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/preparing-for-cmt-installation\/\">&#8211;Pr\u00e9paration<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/assembling-standard-cmt-systems\/\">&#8211;Assemblage des syst\u00e8mes CMT standard<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/marking-and-cutting-cmt-tubing\/\">&#8211;Marquage et d\u00e9coupe du tube<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/403-manual-cutting-outer-ports-and-vent-holes\/\">&#8211;D\u00e9coupe des orifices ext\u00e9rieurs et des trous d&rsquo;a\u00e9ration<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/configuring-tubing-bottom\/\">&#8211;Configuration du fond du tube<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/attaching-cmt-tubing-centralizers\/\">&#8211;Attacher les centralisateurs de tubes<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/cmt-multilevel-system-placement\/\">&#8211;CMT Placement<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/attaching-cmt-standard-wellhead\/\">&#8211;Attacher une t\u00eate de puits standard<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/optional-cmt-multi-purge-manifold-assembly\/\">&#8211;Assemblage du collecteur de purge multiple (en option)<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/monitoring-options\/\">&#8211;Options de surveillance<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/cmt-specifications\/\">&#8211;Sp\u00e9cifications et consid\u00e9rations du CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/intallationterms-and-conditions\/\">&#8211;Termes et conditions<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-multilevel-system-assembly-manual\/table-of-contents\/\">&#8211;Table des mati\u00e8res<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/403-cmt-multilevel-system\/operating-instructions\/cmt-manual\/403-cmt-manual.pdf\">&#8211;T\u00e9l\u00e9charger (PDF)<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/\">-Manuel d&rsquo;assemblage du syst\u00e8me multiniveau CMT \u00e9troit<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/pre-installation-requirements\/\">&#8211;Exigences pr\u00e9alables \u00e0 l&rsquo;installation<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/introduction\/\">&#8211;Introduction<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/preparation\/\">&#8211;Pr\u00e9paration<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/assembling-standard-403n-narrow-cmt-systems\/\">&#8211;Assemblage des syst\u00e8mes multiniveaux CMT standard<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/marking-narrow-cmt-tubing\/\">&#8211;Marquage du tube CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/cutting-ports-and-vent-holes\/\">&#8211;D\u00e9coupe des orifices et du trou d&rsquo;a\u00e9ration<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/configuring-the-bottom-of-narrow-cmt-tubing\/\">&#8211;Configuration du fond du tube CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/narrow-cmt-placement\/\">&#8211;Placement \u00e9troit du CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/attaching-standard-wellhead\/\">&#8211;Fixation de la t\u00eate de puits standard<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/optional-flow-control-monitoring-assembly\/\">&#8211;Assemblage de surveillance du contr\u00f4le du d\u00e9bit (en option)<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/optional-multi-purge-manifold-assembly\/\">&#8211;Assemblage du collecteur multi-purge (en option)<\/option><!-- [et_pb_line_break_holder] --><option value=\"CMT Installation with Sand and Bentonite Cartridges\">&#8211;Installation du CMT avec des cartouches de sable et de bentonite<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/cmt-installation-design-example\/\">&#8211;Exemple de conception d&rsquo;installation<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/preparing-sand-and-bentonite-cartridges\/\">&#8211;Pr\u00e9paration des cartouches de sable et de bentonite<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/sand-bentonite-cartridge-installation\/\">&#8211;Installation des cartouches de sable et de bentonite<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/narrow-cut-port-assembly\/\">&#8211;Assemblage du port CMT \u00e9troit<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/installing-narrow-cmt-sand-cartridges\/\">&#8211;Installation des cartouches de sable CMT \u00e9troites<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/installing-spring-cartridges\/\">&#8211;Installation des cartouches \u00e0 ressort CMT \u00e9troites<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/monitoring-options\/\">&#8211;Options de surveillance du syst\u00e8me \u00e0 plusieurs niveaux du CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/terms-and-conditions\/\">&#8211;Termes et conditions<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/403n-narrow-cmt-assembly-manual\/table-of-contents\/\">&#8211;Table des mati\u00e8res<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/403-cmt-multilevel-system\/operating-instructions\/narrow-cmt-manual\/403n-cmt-manual.pdf\">&#8211;T\u00e9l\u00e9charger (PDF)<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/purge-and-grout-adaptor-instructions-109095\/\">-Mode d&#8217;emploi de l&rsquo;adaptateur pour purge et coulis<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/403-cmt-multilevel-system\/operating-instructions\/purge-grout-adaptor\/purge-grout-adaptor.pdf\">&#8211;T\u00e9l\u00e9charger (PDF)<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/constructing-dual-cmt-ports\/\">-Construction de deux ports CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/403-cmt-multilevel-system\/operating-instructions\/constructing-dual-cmt-ports.pdf\">&#8211;T\u00e9l\u00e9charger (PDF)<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/summary-of-drilling-methods-and-techniques\/\">-R\u00e9sum\u00e9 des m\u00e9thodes et techniques de forage<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/operating-instructions\/cmt-specifications-and-considerations\/\">-Sp\u00e9cifications et consid\u00e9rations du CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/403-cmt-multilevel-system\/operating-instructions\/multilevel-specifications.pdf\">&#8211;T\u00e9l\u00e9charger (PDF)<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/403-cmt-faq\/\">FAQ<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/technical-bulletins-and-case-studies\/\">Entrepreneurs CMT form\u00e9s<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/403-cmt-multilevel-system\/cmt-contractor-form.php\">-Devenez un entrepreneur form\u00e9<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/403-cmt-multilevel-system\/403addon\/trained-cmt-contractors.pdf\">&#8211;T\u00e9l\u00e9charger (PDF)<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/technical-bulletins-and-case-studies\/\">Bulletins techniques et \u00e9tudes de cas<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/technical-bulletins-and-case-studies\/high-resolution-vapor-intrusion-monitoring\/\">-Contr\u00f4le de l&rsquo;intrusion de vapeur \u00e0 haute r\u00e9solution par CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/403-cmt-multilevel-system\/technical-bulletins\/high-resolution-vapor-intrusion-monitoring.pdf\">&#8211;T\u00e9l\u00e9charger (PDF)<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/technical-bulletins-and-case-studies\/sampling-in-multilevels-options-and-helpful-hints\/\">-\u00c9chantillonnage \u00e0 plusieurs niveaux : Options et conseils utiles<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/403-cmt-multilevel-system\/403addon\/cmt-options-helpfulhints.pdf\">&#8211;T\u00e9l\u00e9charger (PDF)<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/technical-bulletins-and-case-studies\/cmd-systems-for-the-lust-market\/\">-Syst\u00e8mes CMT pour le march\u00e9 de la poussi\u00e8re de bois<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/403-cmt-multilevel-system\/403addon\/cmt-forlust-market.pdf\">&#8211;T\u00e9l\u00e9charger (PDF)<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/technical-bulletins-and-case-studies\/cmt-vapor-monitoring\/\">-Surveillance des vapeurs par le CMT<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/403-cmt-multilevel-system\/403addon\/vapor-monitoring.pdf\">&#8211;T\u00e9l\u00e9charger (PDF)<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/\">Syst\u00e8mes multiniveaux<\/option><!-- [et_pb_line_break_holder] --><\/select>[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; specialty=\u00a0\u00bbon\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.2&Prime; _module_preset=\u00a0\u00bb5a5bca26-a9a5-4e6c-8fca-d64da3bdcd40&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_4&Prime; _builder_version=\u00a0\u00bb4.16&Prime; custom_padding=\u00a0\u00bb|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb custom_padding__hover=\u00a0\u00bb|||\u00a0\u00bb][et_pb_menu menu_id=\u00a0\u00bb34&Prime; admin_label=\u00a0\u00bb403 Main Nav\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.2&Prime; _module_preset=\u00a0\u00bb242faa89-ac4f-4e46-90fe-505e8c1eab79&Prime; global_module=\u00a0\u00bb3814&Prime; saved_tabs=\u00a0\u00bball\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_menu][et_pb_menu menu_id=\u00a0\u00bb37&Prime; admin_label=\u00a0\u00bb403 Related Products\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.2&Prime; _module_preset=\u00a0\u00bb242faa89-ac4f-4e46-90fe-505e8c1eab79&Prime; custom_margin=\u00a0\u00bb|0px||0px|false|false\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb global_module=\u00a0\u00bb8608&Prime; saved_tabs=\u00a0\u00bball\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_menu][et_pb_slider disabled_on=\u00a0\u00bbon|on|off\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb display_conditions=\u00a0\u00bbW10=\u00a0\u00bb link_option_url=\u00a0\u00bbhttps:\/\/downloads.solinst.com\/free-shipping?utm_source=solinst&#038;utm_medium=WC-global-sidebar-position1&#038;utm_campaign=free-shipping\u00a0\u00bb global_module=\u00a0\u00bb53188&Prime; saved_tabs=\u00a0\u00bball\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_slide button_text=\u00a0\u00bbAvantages de l&apos;utilisation de la fl\u00fbte \u00e0 eau\u00a0\u00bb button_link=\u00a0\u00bbhttps:\/\/www.solinst.com\/fr\/produits\/flute-solinst\/405-flute-deau\/?utm_source=solinst&amp;utm_medium=WC-global-sidebar-position1&amp;utm_campaign=405-water-flute\u00a0\u00bb use_bg_overlay=\u00a0\u00bbon\u00a0\u00bb bg_overlay_color=\u00a0\u00bbrgba(224,97,0,0.58)\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bb#F07C00&Prime; background_enable_color=\u00a0\u00bbon\u00a0\u00bb background_image=\u00a0\u00bbhttps:\/\/www.solinst.com\/wp-content\/uploads\/2024\/12\/405-water-flute-multilevel-groundwater-system-installation.webp\u00a0\u00bb background_enable_image=\u00a0\u00bbon\u00a0\u00bb background_position=\u00a0\u00bbtop_center\u00a0\u00bb custom_button=\u00a0\u00bbon\u00a0\u00bb button_bg_color=\u00a0\u00bb#f58025&Prime; button_border_width=\u00a0\u00bb2px\u00a0\u00bb button_border_radius=\u00a0\u00bb20px\u00a0\u00bb button_font=\u00a0\u00bb|600|||||||\u00a0\u00bb background_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_transition=\u00a0\u00bbon\u00a0\u00bb]<\/p>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<p>&nbsp;<\/p>\n<h2>Surveillance discr\u00e8te de la profondeur des eaux souterraines<\/h2>\n<p><b>R\u00e9duire les co\u00fbts et le temps pass\u00e9 sur le terrain<\/b><\/p>\n<p>[\/et_pb_slide][\/et_pb_slider][et_pb_slider disabled_on=\u00a0\u00bbon|off|off\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb link_option_url=\u00a0\u00bbhttps:\/\/www.solinst.com\/instruments\/groundwater-samplers\/410-peristaltic-pumps\/?utm_source=solinst&#038;utm_medium=WC-global-sidebar-position2&#038;utm_campaign=410-101d\u00a0\u00bb global_module=\u00a0\u00bb53561&Prime; saved_tabs=\u00a0\u00bball\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_slide heading=\u00a0\u00bbPompage automatis\u00e9 avec mode DrawDown\u00a0\u00bb button_text=\u00a0\u00bbNouvelle pompe p\u00e9ristaltique Mk5&Prime; button_link=\u00a0\u00bbhttps:\/\/www.solinst.com\/fr\/produits\/echantillonneurs-deau-souterraine\/410-pompes-peristaltiques\/?utm_source=solinst&amp;utm_medium=WC-global-sidebar-position2&amp;utm_campaign=410-101d\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb header_text_color=\u00a0\u00bb#000000&Prime; background_color=\u00a0\u00bbRGBA(255,255,255,0)\u00a0\u00bb background_enable_color=\u00a0\u00bbon\u00a0\u00bb background_image=\u00a0\u00bbhttps:\/\/www.solinst.com\/wp-content\/uploads\/2026\/01\/101d-water-level-drawdown-meter-2-965&#215;500-1.webp\u00a0\u00bb background_enable_image=\u00a0\u00bbon\u00a0\u00bb background_size=\u00a0\u00bbcontain\u00a0\u00bb custom_button=\u00a0\u00bbon\u00a0\u00bb button_bg_color=\u00a0\u00bb#f58025&Prime; button_border_width=\u00a0\u00bb2px\u00a0\u00bb button_border_radius=\u00a0\u00bb20px\u00a0\u00bb button_font=\u00a0\u00bb|600|||||||\u00a0\u00bb button_custom_margin=\u00a0\u00bb||||false|false\u00a0\u00bb button_custom_padding=\u00a0\u00bb1px||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb76px||||false|false\u00a0\u00bb header_text_shadow_style=\u00a0\u00bbpreset3&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_transition=\u00a0\u00bbon\u00a0\u00bb]<\/p>\n<h2\/>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_slide][\/et_pb_slider][\/et_pb_column][et_pb_column type=\u00a0\u00bb3_4&Prime; specialty_columns=\u00a0\u00bb3&Prime; _builder_version=\u00a0\u00bb4.16&Prime; custom_padding=\u00a0\u00bb|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb custom_padding__hover=\u00a0\u00bb|||\u00a0\u00bb][et_pb_row_inner _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bb3d68e16c-1ed2-447f-b17f-a63c20af3cf6&Prime; locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column_inner saved_specialty_column_type=\u00a0\u00bb3_4&Prime; _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][dsm_icon_list icon_font_size=\u00a0\u00bb30px\u00a0\u00bb list_alignment=\u00a0\u00bbflex-end\u00a0\u00bb text_indent=\u00a0\u00bb10px\u00a0\u00bb list_alignment_tablet=\u00a0\u00bbflex-end\u00a0\u00bb list_alignment_phone=\u00a0\u00bbflex-start\u00a0\u00bb list_alignment_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font=\u00a0\u00bb|600|||||||\u00a0\u00bb link_option_url_new_window=\u00a0\u00bbon\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;][dsm_icon_list_child text=\u00a0\u00bbL&#039;\u00e9chantillonnage \u00e0 plusieurs niveaux : Options et conseils utiles PDF\u00a0\u00bb font_icon=\u00a0\u00bb&#xf1c1;||fa||900&Prime; icon_color=\u00a0\u00bb#ff8500&Prime; url=\u00a0\u00bbhttps:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/403-cmt-multilevel-system\/403addon\/cmt-options-helpfulhints.pdf\u00a0\u00bb url_new_window=\u00a0\u00bbon\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb icon_color__hover_enabled=\u00a0\u00bbon|hover\u00a0\u00bb icon_color__hover=\u00a0\u00bb#828282&Prime; text_text_color__hover_enabled=\u00a0\u00bbon|hover\u00a0\u00bb text_text_color__hover=\u00a0\u00bb#7a7a7a\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;][\/dsm_icon_list_child][\/dsm_icon_list][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bb3676f7e6-7b83-4698-94ce-2cc9fa9ae43d\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;][et_pb_column_inner saved_specialty_column_type=\u00a0\u00bb3_4&Prime; _builder_version=\u00a0\u00bb4.27.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<h2><span>Introduction  <\/span><\/h2>\n<p><span>Le pr\u00e9l\u00e8vement d&rsquo;\u00e9chantillons d&rsquo;eau souterraine, que ce soit dans le <a href=\"https:\/\/www.solinst.com\/fr\/produits\/systemes-multiniveaux\/401-systeme-multi-niveaux-de-waterloo\/\" title=\"Syst\u00e8mes multiniveaux de Waterloo\">syst\u00e8me<\/a> <a href=\"https:\/\/www.solinst.com\/fr\/produits\/systemes-multiniveaux\/403-cmt-systemes-multiniveaux\/\" title=\"Tubes multicanaux continus Solinst (CMT)\">Solinst<\/a> de tubes multicanaux continus (CMT) ou dans le syst\u00e8me Waterloo multiniveaux, doit \u00eatre effectu\u00e9 \u00e0 l&rsquo;aide d&rsquo;appareils capables de pr\u00e9lever des \u00e9chantillons dans ou \u00e0 travers des tubes relativement \u00e9troits. Les tubes d&rsquo;\u00e9chantillonnage plac\u00e9s dans le syst\u00e8me Waterloo ont un diam\u00e8tre int\u00e9rieur de 1\/2&Prime; (12 mm), 3\/8&Prime; (10 mm) ou 1\/4&Prime; (6 mm), selon le nombre de zones contr\u00f4l\u00e9es. Ces tubes ouverts sont g\u00e9n\u00e9ralement utilis\u00e9s \u00e0 la place des pompes pneumatiques d\u00e9di\u00e9es dans le syst\u00e8me Waterloo, lorsque l&rsquo;application est relativement peu profonde et que le niveau d&rsquo;eau est \u00e9lev\u00e9.  <\/span><\/p>\n<h2><span><br \/>Pompe p\u00e9ristaltique  <\/span><\/h2>\n<p><span>Que vous travailliez dans les tubes ouverts du syst\u00e8me Waterloo ou directement dans un canal CMT, le moyen le plus courant de pr\u00e9lever un \u00e9chantillon d&rsquo;eau souterraine peu profonde est d&rsquo;utiliser une <a href=\"https:\/\/www.solinst.com\/fr\/produits\/echantillonneurs-deau-souterraine\/410-pompes-peristaltiques\/\" title=\"Pompe p\u00e9ristaltique\">pompe p\u00e9ristaltique<\/a> ou une mini-pompe \u00e0 inertie. La pompe p\u00e9ristaltique pr\u00e9l\u00e8vera un \u00e9chantillon si le niveau de l&rsquo;eau se situe \u00e0 environ 7,6 m de la surface du sol au niveau de la mer. Il convient de noter que pour chaque augmentation d&rsquo;altitude de 300 m\u00e8tres, la pression barom\u00e9trique est r\u00e9duite d&rsquo;environ un m\u00e8tre de hauteur d&rsquo;eau. Par cons\u00e9quent, \u00e0 300 m au-dessus du niveau de la mer, une pompe p\u00e9ristaltique ne peut extraire un \u00e9chantillon qu&rsquo;\u00e0 7,3 m, en tenant compte des pertes de friction et d&rsquo;efficacit\u00e9. La pompe p\u00e9ristaltique est le plus souvent utilis\u00e9e avec un tuyau LDPE de 6 mm (1\/4&Prime;) qui est descendu dans le canal du CMT, ou le tuyau du port du syst\u00e8me Waterloo peut \u00eatre coupl\u00e9 directement au tuyau en silicone de la pompe p\u00e9ristaltique. Il convient de noter que, bien que la pompe ne puisse aspirer de l&rsquo;eau que si la hauteur de chute est sup\u00e9rieure \u00e0 7,6 m, au niveau de la mer, l&rsquo;entr\u00e9e du tuyau de la pompe peut \u00eatre plac\u00e9e beaucoup plus profond\u00e9ment, en aspirant de l&rsquo;eau \u00e0 partir de l&rsquo;entr\u00e9e de l&rsquo;orifice, si vous le souhaitez.     <\/span><\/p>\n<p><span><\/span><\/p>\n<h2><span>Mini-pompe \u00e0 inertie  <\/span><\/h2>\n<p><span>Lorsque le niveau de l&rsquo;eau est trop profond pour une pompe p\u00e9ristaltique, mais pas plus profond qu&rsquo;environ 50 m sous la surface du sol, la mini-pompe \u00e0 inertie, peu co\u00fbteuse et facile \u00e0 utiliser, est le plus souvent recommand\u00e9e. La mini-pompe \u00e0 inertie est bas\u00e9e sur le m\u00eame principe que toutes les pompes \u00e0 inertie, c&rsquo;est-\u00e0-dire qu&rsquo;elle se compose d&rsquo;une longueur de tube en poly\u00e9thyl\u00e8ne avec un clapet anti-retour plac\u00e9 \u00e0 sa base. Le tuyau est descendu dans le puits et en levant et en abaissant le syst\u00e8me, g\u00e9n\u00e9ralement \u00e0 la main et \u00e0 environ 1 pied (24 mm), une impulsion ou une boulette d&rsquo;eau souterraine remonte le long du tuyau et peut \u00eatre recueillie \u00e0 la surface.    <\/span><\/p>\n<p><span>Dans le cas de l&rsquo;\u00e9chantillonnage du syst\u00e8me CMT avec la mini-pompe \u00e0 inertie, le tuyau est de 6 mm x 4,3 mm (1\/4 po). Le poly\u00e9thyl\u00e8ne basse densit\u00e9 (PEBD) ou le PEBD rev\u00eatu de PTFE peuvent \u00eatre utilis\u00e9s pour des applications jusqu&rsquo;\u00e0 15 m de profondeur. \u00c0 des profondeurs d&rsquo;eau allant de 50 \u00e0 150 pieds (15 \u00e0 45 m), le PTFE pur est utilis\u00e9 pour r\u00e9duire les effets de friction rencontr\u00e9s \u00e0 plus grande profondeur. D&rsquo;autres tubes, tels que le Kynar, ont \u00e9galement \u00e9t\u00e9 test\u00e9s, mais ils ne pr\u00e9sentent aucun avantage et sont plus co\u00fbteux. Le clapet anti-retour de la mini-pompe \u00e0 inertie est compos\u00e9 de trois \u00e9l\u00e9ments distincts : deux manchons creux en acier inoxydable et une bille anti-retour en acier inoxydable plac\u00e9e entre les manchons. Ce clapet est introduit dans la base du tuyau de 6 mm \u00e0 l&rsquo;aide d&rsquo;un outil d&rsquo;insertion semblable \u00e0 un tournevis court et \u00e9troit. La base du manchon pr\u00e9sente un design en croix qui am\u00e9liore les d\u00e9bits, jusqu&rsquo;\u00e0 environ 150-200 ml\/min. La mini-pompe \u00e0 inertie peut \u00e9galement \u00eatre utilis\u00e9e avec succ\u00e8s pour collecter des \u00e9chantillons \u00e0 partir de tubes ouverts install\u00e9s dans le syst\u00e8me Waterloo.      <\/span><\/p>\n<h2><span><br \/>Pompes \u00e0 double valve  <\/span><\/h2>\n<p><span>Les pompes pneumatiques (\u00e0 gaz) sont l&rsquo;option d&rsquo;\u00e9chantillonnage la plus courante du syst\u00e8me multi-niveaux Waterloo. La <a href=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/408-double-valve-pumps\/\" title=\"Pompe \u00e0 double valve (DVP)\">pompe \u00e0 double valve (DVP)<\/a> de 16 mm de diam\u00e8tre ou la <a href=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/407-bladder-pumps\/\" title=\"Pompes v\u00e9sicales Solinst\">pompe \u00e0 vessie de<\/a> 24 mm de diam\u00e8tre sont toutes deux construites en acier inoxydable et mont\u00e9es directement sur les ports d&rsquo;\u00e9chantillonnage du syst\u00e8me. Ces pompes permettent d&rsquo;obtenir des \u00e9chantillons d&rsquo;eau souterraine \u00e0 des profondeurs allant jusqu&rsquo;\u00e0 300 m\u00e8tres. La pompe DVP est souvent choisie pour des applications plus profondes et pour l&rsquo;\u00e9chantillonnage d&rsquo;eaux souterraines pouvant contenir des s\u00e9diments fins, car elle est plus facile \u00e0 r\u00e9habiliter et les \u00e9chantillons peuvent \u00eatre pr\u00e9lev\u00e9s plus rapidement \u00e0 partir de la profondeur et \u00e0 des volumes plus importants qu&rsquo;avec la pompe \u00e0 vessie. Les pompes \u00e0 vessie restent le plus souvent la pompe de choix pour les applications moins profondes, jusqu&rsquo;\u00e0 150 m, parce qu&rsquo;il n&rsquo;y a pas de contact avec l&rsquo;air et qu&rsquo;elles sont donc consid\u00e9r\u00e9es comme id\u00e9ales pour la surveillance des COV. La DVP a \u00e9t\u00e9 recon\u00e7ue sous forme de micro-pompe pour \u00eatre utilis\u00e9e dans les canaux \u00e9troits du syst\u00e8me CMT. Cette option pneumatique est un d\u00e9veloppement n\u00e9cessaire pour permettre l&rsquo;\u00e9chantillonnage dans les tubes multicanaux \u00e0 des profondeurs sup\u00e9rieures \u00e0 30 m et \u00e9galement pour l&rsquo;\u00e9chantillonnage des COV sur les sites o\u00f9 les pompes inertielles et p\u00e9ristaltiques ne sont pas consid\u00e9r\u00e9es comme appropri\u00e9es. La Micro DVP est une option d&rsquo;\u00e9chantillonnage viable, capable de pomper \u00e0 des taux de 150 ml\/min lorsqu&rsquo;elle est plac\u00e9e dans le canal \u00e9troit du CMT. La micro-pompe \u00e0 double valve est fabriqu\u00e9e \u00e0 partir de composants inoxydables et de tubes coaxiaux en LDPE ou en PTFE. Le PTFE est utilis\u00e9 \u00e0 des profondeurs sup\u00e9rieures \u00e0 15 m afin de r\u00e9duire les effets de friction lors de l&rsquo;installation. Un collecteur en surface relie la pompe \u00e0 un gaz d&rsquo;entra\u00eenement (source d&rsquo;air comprim\u00e9\/N2), et la pompe est facilement command\u00e9e \u00e0 l&rsquo;aide de l&rsquo;<a href=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/464-pneumatic-pump-control-units\/\" title=\"Unit\u00e9 de contr\u00f4le \u00e9lectronique Solinst, mod\u00e8le 464\">unit\u00e9 de contr\u00f4le \u00e9lectronique de Solinst, mod\u00e8le 464<\/a>.           <\/span><\/p>\n<h2><span><br \/>\u00c9chantillonnage des vapeurs dans le CMT  <\/span><\/h2>\n<p><span>Le syst\u00e8me CMT est id\u00e9al pour l&rsquo;\u00e9chantillonnage des gaz et des vapeurs. Le syst\u00e8me CMT est \u00e9quip\u00e9 d&rsquo;orifices et de bouchons pour sceller les canaux exactement comme dans une application d&rsquo;\u00e9chantillonnage des eaux souterraines. Le seul \u00e9l\u00e9ment suppl\u00e9mentaire est un autre bouchon plac\u00e9 \u00e0 la surface pour sceller le haut du canal d&rsquo;\u00e9chantillonnage. Ce bouchon sup\u00e9rieur est muni d&rsquo;un raccord \u00e0 embo\u00eetement qui est utilis\u00e9 avec un tube de 6 mm pour permettre \u00e0 un \u00e9chantillon de gaz d&rsquo;\u00eatre pr\u00e9lev\u00e9 de l&rsquo;orifice CMT \u00e0 la surface \u00e0 l&rsquo;aide d&rsquo;une pompe \u00e0 vide manuelle ou d&rsquo;une pompe p\u00e9ristaltique.   <\/span><\/p>\n<p><span><\/span><\/p>\n<p>[\/et_pb_text][et_pb_button button_url=\u00a0\u00bbhttps:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/403-cmt-multilevel-system\/get-quote.php\u00a0\u00bb button_text=\u00a0\u00bbObtenir un devis\u00a0\u00bb admin_label=\u00a0\u00bb403 get quote\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbc9e00792-1360-4998-8cf9-5f6772c944ba\u00a0\u00bb custom_margin=\u00a0\u00bb20px||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb6px|47px|6px|47px|false|false\u00a0\u00bb global_module=\u00a0\u00bb3396&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_button][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner disabled_on=\u00a0\u00bboff|off|on\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column_inner saved_specialty_column_type=\u00a0\u00bb3_4&Prime; _builder_version=\u00a0\u00bb4.27.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][dsm_menu title=\u00a0\u00bbProduits apparent\u00e9s\u00a0\u00bb menu_id=\u00a0\u00bb37&Prime; submenu_collapse=\u00a0\u00bbon\u00a0\u00bb menu_link_text_color=\u00a0\u00bb#000000&Prime; active_link_color=\u00a0\u00bb#000000&Prime; menu_link_text_active_color=\u00a0\u00bb#000000&Prime; menu_link_text_visited_color=\u00a0\u00bb#000000&Prime; list_style_type=\u00a0\u00bbnone\u00a0\u00bb disabled_on=\u00a0\u00bboff|off|on\u00a0\u00bb admin_label=\u00a0\u00bb403 Related Products Mobile\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb header_font=\u00a0\u00bb|600|||||||\u00a0\u00bb header_text_align=\u00a0\u00bbleft\u00a0\u00bb header_text_color=\u00a0\u00bb#000000&Prime; header_font_size=\u00a0\u00bb20px\u00a0\u00bb menu_font_size=\u00a0\u00bb16px\u00a0\u00bb sub_menu_text_color=\u00a0\u00bb#727272&Prime; background_color=\u00a0\u00bb#fcfcfc\u00a0\u00bb custom_padding=\u00a0\u00bb10px|10px|10px|10px|false|false\u00a0\u00bb sticky_limit_bottom=\u00a0\u00bbbody\u00a0\u00bb sticky_position_tablet=\u00a0\u00bbnone\u00a0\u00bb sticky_position_phone=\u00a0\u00bbnone\u00a0\u00bb sticky_position_last_edited=\u00a0\u00bbon|tablet\u00a0\u00bb border_width_all=\u00a0\u00bb1px\u00a0\u00bb border_color_all=\u00a0\u00bb#e0e0e0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb active_link_color__hover_enabled=\u00a0\u00bbon|hover\u00a0\u00bb active_link_color__hover=\u00a0\u00bb#d1d1d1&Prime;][\/dsm_menu][\/et_pb_column_inner][\/et_pb_row_inner][\/et_pb_column][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; admin_label=\u00a0\u00bbAdobe Analytics Code\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_padding=\u00a0\u00bb||4px|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.27.2&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.27.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_code admin_label=\u00a0\u00bbCode AA pour cette page\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<!-- SiteCatalyst code version: H.21. 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**************\/<!-- [et_pb_line_break_holder] -->var s_code=s.t();if(s_code)document.write(s_code)\/\/--><\/script><!-- [et_pb_line_break_holder] --><script language=\"JavaScript\" type=\"text\/javascript\"><!--<!-- [et_pb_line_break_holder] -->if(navigator.appVersion.indexOf('MSIE')>=0)document.write(unescape('%3C')+'!-'+'-')<!-- [et_pb_line_break_holder] -->\/\/--><\/script><noscript><a href=\"https:\/\/www.omniture.com\" title=\"Analyse du Web\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/solinst.d2.sc.omtrdc.net\/b\/ss\/solinst-prod\/1\/H.21--NS\/0\" height=\"1\" width=\"1\" border=\"0\" alt=\"\"><\/a><\/noscript><!--\/DO NOT REMOVE\/--><!-- [et_pb_line_break_holder] --><!-- End SiteCatalyst code version: H.21. -->[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;\u00e9chantillonnage \u00e0 plusieurs niveaux : Options et conseils utiles<div class=\"et_pb_module dsm_breadcrumbs dsm_breadcrumbs_0\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module_inner\">\n\t\t\t\t\t<nav class=\"dsm_breadcrumbs_wrap\">\n\t\t\t\t<ul class=\"dsm_breadcrumbs\" itemscope itemtype=\"https:\/\/schema.org\/BreadcrumbList\">\t\t\t<li class=\"dsm_breadcrumbs_item dsm_home_item dsm_home_item_custom\" itemprop=\"itemListElement\" itemscope\n\t\t\titemtype=\"https:\/\/schema.org\/ListItem\">\n\t\t\t\t<a href=\"https:\/\/www.solinst.com\/fr\/\" itemprop=\"item\" target=\"\">\n\t\t\t\t\t<span class='dsm_home_text_wrapper'>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"et-pb-icon dsm_home_icon\">\ue009<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"dsm_home_text\" itemprop=\"name\">\n\t\t\t\t\t\t\t\tHome\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t<\/a>\n\t\t\t\t<meta itemprop=\"position\" content=\"1\" \/>\n\t\t\t<\/li>\n\n\t\t<li class=\"dsm_breadcrumbs_separator\"> <span class=\"et-pb-icon dsm_separator_icon\">5<\/span><\/li><\/ul>\n\t\t\t<\/nav>\n\t\t\t\t<\/div>\n\t\t\t<\/div> &nbsp; Surveillance discr\u00e8te de la profondeur des eaux souterraines R\u00e9duire les co\u00fbts et le temps pass\u00e9 sur le terrain &nbsp; &nbsp; &nbsp;<div class=\"et_pb_module dsm_icon_list dsm_icon_list_0\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module_inner\">\n\t\t\t\t\t<ul class=\"dsm_icon_list_items dsm_icon_list_ltr_direction dsm_icon_list_layout_vertical\"><li class=\"dsm_icon_list_child dsm_icon_list_child_0\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<a href=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/403-cmt-multilevel-system\/403addon\/cmt-options-helpfulhints.pdf\" target=\"_blank\"><span class=\"dsm_icon_list_wrapper\"><span class=\"dsm_icon_list_icon\">\uf1c1<\/span><\/span><span class=\"dsm_icon_list_text\">L&#039;\u00e9chantillonnage \u00e0 plusieurs niveaux : Options et conseils utiles PDF<\/span><\/a>\n\t\t\t<\/li><\/ul>\n\t\t\t\t<\/div>\n\t\t\t<\/div>Introduction Le pr\u00e9l\u00e8vement d&rsquo;\u00e9chantillons d&rsquo;eau souterraine, que ce soit dans le syst\u00e8me Solinst de tubes multicanaux continus (CMT) ou dans le syst\u00e8me Waterloo multiniveaux, doit \u00eatre effectu\u00e9 \u00e0 l&rsquo;aide d&rsquo;appareils capables de pr\u00e9lever des \u00e9chantillons dans ou \u00e0 travers des tubes relativement \u00e9troits. Les tubes d&rsquo;\u00e9chantillonnage plac\u00e9s dans le syst\u00e8me Waterloo ont un diam\u00e8tre int\u00e9rieur de 1\/2&Prime; (12 mm), 3\/8&Prime; (10 mm) ou 1\/4&Prime; (6 mm), selon le nombre de zones contr\u00f4l\u00e9es. Ces tubes ouverts sont g\u00e9n\u00e9ralement utilis\u00e9s \u00e0 la place des pompes pneumatiques d\u00e9di\u00e9es dans le syst\u00e8me Waterloo, lorsque l&rsquo;application est relativement peu profonde et que le niveau d&rsquo;eau est \u00e9lev\u00e9. Pompe p\u00e9ristaltique Que vous travailliez dans les tubes ouverts du syst\u00e8me Waterloo ou directement dans un canal CMT, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":12779,"parent":11261,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"folder":[132],"class_list":["post-11206","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u00c9chantillonnage \u00e0 plusieurs niveaux Options et conseils utiles - Solinst Groundwater and Surface Water Monitoring Instrumentation, Water Level Meters, Interface Meters, Dataloggers<\/title>\n<meta name=\"description\" content=\"\u00c9chantillonnage \u00e0 plusieurs niveaux options et conseils utiles pour la 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