{"id":221169,"date":"2024-11-11T14:04:33","date_gmt":"2024-11-11T14:04:33","guid":{"rendered":"https:\/\/www.solinst.com\/401-waterloo-multilevel-system\/operating-instructions\/"},"modified":"2026-05-07T21:28:59","modified_gmt":"2026-05-07T21:28:59","slug":"operating-instructions","status":"publish","type":"page","link":"https:\/\/www.solinst.com\/en-gb\/products\/multilevel-systems\/401-waterloo-multilevel-system\/operating-instructions\/","title":{"rendered":"Operating Instructions"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;H1 and breadcrumbs&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;792ca5bd-0808-46bd-9ce7-3bcb8e74f4d3&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;4b28f470-0d73-4e9d-b92d-e6f41f2cea24&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; header_font=&#8221;|700|||||||&#8221; header_font_size=&#8221;36px&#8221; custom_margin=&#8221;||5px|||&#8221; header_text_align_tablet=&#8221;&#8221; header_text_align_phone=&#8221;&#8221; header_text_align_last_edited=&#8221;on|desktop&#8221; header_font_size_tablet=&#8221;22px&#8221; header_font_size_phone=&#8221;20px&#8221; header_font_size_last_edited=&#8221;on|phone&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h1 role=\"heading\" aria-level=\"2\" data-uw-rm-heading=\"level\">401 Waterloo Multi-level System Operating Instructions<\/h1>\n<p>[\/et_pb_text][dsm_breadcrumbs disabled_on=&#8221;on|off|off&#8221; admin_label=&#8221;breadcrumbs below landing pages with mobile view off&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; home_icon_text_color=&#8221;#d6d6d6&#8243; global_module=&#8221;4283&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][\/dsm_breadcrumbs][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;4759a92f-4b27-4854-bb2c-299854634e93&#8243; sticky_offset_top=&#8221;127px&#8221; global_module=&#8221;2965&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row disabled_on=&#8221;off|off|on&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; width=&#8221;90%&#8221; custom_margin=&#8221;0px||0px||false|false&#8221; custom_padding=&#8221;0px||0px||false|false&#8221; sticky_limit_bottom=&#8221;body&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_code disabled_on=&#8221;off|off|off&#8221; admin_label=&#8221;401 Mobile Nav &#8211; Select Dropdown&#8221; module_id=&#8221;dropdown&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;0px||0px||false|false&#8221; custom_css_free_form=&#8221;select {||||      font-size: 1em; \/* Adjust font size *\/||      padding: 10px;   \/* Optional: Increase padding for better spacing *\/||      width: 100%;||      box-sizing: border-box;\/* Optional: Adjust width to fit the container *\/||      height: 50px;||}||||    \/* Style for dropdown options (fallback if needed) *\/||select option {||      font-size: 1.2em; \/* Ensures option text matches select styling *\/||      width: 100%;||    }&#8221; global_colors_info=&#8221;{}&#8221;]<select name=\"dropdown\" onchange=\"location = this.value;\"><!-- [et_pb_line_break_holder] --><option value=\"\">401 Waterloo System Menu<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/\">401 Waterloo Multi-level System Main Page<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/401-waterloo-multilevel-system\/get-quote.php\">Get a Quote<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/Forms\/sol.php\">Send Me Info<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/why-multilevels\/\">Why Multi-levels?<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/why-multilevels\/what-is-a-multilevel-system\/\">-What is a Multi-level System?<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/why-multilevels\/multilevel-system-comparison\/\">-Multi-level System Comparison<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/why-multilevels\/why-multilevels.pdf\">-Download PDF<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/\">Data Sheet<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/advantages-and-applications\/\">-Advantages and Applications<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/sampling-ports-and-manifolds\/\">-Sampling Ports and Manifolds<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/discrete-zone-port-technology\/\">-Discrete Zone Port Technology<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/permanent-waterloo-packers\/\">-Permanent Waterloo Packers<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/waterloo-system-installation\/\">-Installation<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/waterloo-system-flexibility\/\">-System Flexibility<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/monitoring-options\/\">-Monitoring Options<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/dedicated-sampling-pumps\/\">-Dedicated Sampling Pumps<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/dedicated-pressure-transducers\/\">-Dedicated Transducers<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/reliable-groundwater-chemistry-data\/\">-Reliable Data<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/design-your-multilevel-system\/\">-Designing Your Multi-level System<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/datasheet\/monitoring-contaminated-flow\/\">-Monitoring Contaminated Flow<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/data\/401.pdf\">-Download PDF<\/option><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/401-waterloo-multilevel-system\/operating-instructions\/\">Instructions<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/401-waterloo-multilevel-system\/operating-instructions\/waterloo-multilevel-groundwater-monitoring.php\">-401 Waterloo Multi-level Groundwater Monitoring System Assembly Manual<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/waterloo-multilevel-system-pre-installation-requirements\/\">&#8211;Pre-installation Requirements<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/1-introduction\/\">&#8211;1.0 Introduction<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/2-installation\/\">&#8211;2.0 Installation Components<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/3-preparation\/\">&#8211;3.0 Preparation<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/4-assembling-the-system\/\">&#8211;4.0 Assembling The System<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/5-joint-connections\/\">&#8211;5.0 Joint Connections<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/6-port-connections\/\">&#8211;6.0 Port Connections<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/7-testing-monitoring-equipment\/\">&#8211;7.0 Testing Monitoring Equipment<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/8-packer-activation\/\">&#8211;8.0 Packer Activation<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/9-wellhead-manifold-completion\/\">&#8211;9.0 Wellhead Manifold Completion<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/10-monitoring-options\/\">&#8211;10.0 Monitoring Options<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/appendix\/\">&#8211;Appendix<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/table-of-contents\/\">&#8211;Table of Contents<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/401-waterloo-multilevel-system\/operating-instructions\/waterloo-multilevel-groundwater-monitoring.pdf\">&#8211;Download PDF<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/why-multilevels\/multilevel-system-comparison\/\">-Multi-level System Comparison \u2013 Model 403 &amp; Model 401<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/case-studies-and-technical-bulletins\/\">Technical Bulletins and Case Studies<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/case-studies-and-technical-bulletins\/high-resolution-multilevel-monitoring\/\">-High Resolution Multi-level Monitoring<\/option><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/\">Multilevel Systems<\/option><!-- [et_pb_line_break_holder] --><\/select>[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; specialty=&#8221;on&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;5a5bca26-a9a5-4e6c-8fca-d64da3bdcd40&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_menu menu_id=&#8221;45&#8243; admin_label=&#8221;401 Main Nav&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;242faa89-ac4f-4e46-90fe-505e8c1eab79&#8243; global_module=&#8221;4519&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_menu][et_pb_menu menu_id=&#8221;46&#8243; admin_label=&#8221;401 Related Products&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;242faa89-ac4f-4e46-90fe-505e8c1eab79&#8243; global_module=&#8221;25292&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_menu][et_pb_slider disabled_on=&#8221;on|off|off&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; link_option_url=&#8221;https:\/\/www.solinst.com\/instruments\/solinst-eureka\/?utm_source=solinst&#038;utm_medium=WC-global-sidebar-position1&#038;utm_campaign=5001&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221; global_module=&#8221;53188&#8243; theme_builder_area=&#8221;post_content&#8221;][et_pb_slide button_text=&#8221;Learn More&#8221; button_link=&#8221;https:\/\/www.solinst.com\/instruments\/solinst-eureka\/?utm_source=solinst&amp;utm_medium=WC-global-sidebar-position1&amp;utm_campaign=5001&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;RGBA(255,255,255,0)&#8221; background_enable_color=&#8221;on&#8221; background_image=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/02\/solinst-eureka-water-quality-probes-1.webp&#8221; background_enable_image=&#8221;on&#8221; background_size=&#8221;contain&#8221; background_position=&#8221;top_center&#8221; custom_button=&#8221;on&#8221; button_bg_color=&#8221;#f58025&#8243; button_border_width=&#8221;2px&#8221; button_border_radius=&#8221;20px&#8221; button_font=&#8221;|600|||||||&#8221; global_colors_info=&#8221;{}&#8221; sticky_transition=&#8221;on&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<p><strong><\/strong><\/p>\n<p><strong><\/strong><\/p>\n<p><strong><\/strong><\/p>\n<p><strong><\/strong><\/p>\n<p><strong><\/strong><\/p>\n<h2><strong>Water Quality Probes<\/strong><\/h2>\n<p>Solinst Eureka, a global leader in the design and manufacture of multi-parameter water quality sondes.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_slide][\/et_pb_slider][et_pb_slider disabled_on=&#8221;on|off|off&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; link_option_url=&#8221;https:\/\/www.solinst.com\/field-services\/?utm_source=solinst&#038;utm_medium=WC-global-sidebar-position2&#038;utm_campaign=FS-field-services&#8221; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221; global_module=&#8221;53561&#8243; theme_builder_area=&#8221;post_content&#8221;][et_pb_slide button_text=&#8221;Learn More&#8221; button_link=&#8221;https:\/\/www.solinst.com\/field-services\/?utm_source=solinst&amp;utm_medium=WC-global-sidebar-position2&amp;utm_campaign=FS-field-services&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;RGBA(255,255,255,0)&#8221; background_enable_color=&#8221;on&#8221; background_image=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/02\/solinst-field-services-sidebar.webp&#8221; background_enable_image=&#8221;on&#8221; custom_button=&#8221;on&#8221; button_bg_color=&#8221;#f58025&#8243; button_border_width=&#8221;2px&#8221; button_border_radius=&#8221;20px&#8221; button_font=&#8221;|600|||||||&#8221; global_colors_info=&#8221;{}&#8221; sticky_transition=&#8221;on&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<h2><strong>Solinst Field Services<\/strong><\/h2>\n<p><strong><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span>Safeguard your project\u2019s success and mitigate any potential for downtime or additional costs.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_slide][\/et_pb_slider][\/et_pb_column][et_pb_column type=&#8221;3_4&#8243; specialty_columns=&#8221;3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_row_inner _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column_inner saved_specialty_column_type=&#8221;3_4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2 role=\"heading\" aria-level=\"1\" data-uw-rm-heading=\"level\">Instructions<\/h2>\n<p>[\/et_pb_text][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner column_structure=&#8221;1_2,1_2&#8243; use_custom_gutter=&#8221;on&#8221; gutter_width=&#8221;4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#efefef&#8221; custom_padding=&#8221;10px|10px|10px|10px|true|true&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column_inner type=&#8221;1_2&#8243; saved_specialty_column_type=&#8221;3_4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p><a href=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/401-waterloo-multilevel-system\/401-operating-instructions\/waterloo-multilevel-system-assembly-manual\/\" data-uw-rm-brl=\"PR\" data-uw-original-href=\"https:\/\/www.solinst.com\/products\/multilevel-systems-and-remediation\/401-waterloo-multilevel-system\/operating-instructions\/waterloo-multilevel-groundwater-monitoring.php\">401 Waterloo Multi-level Groundwater Monitoring System Assembly Manual<\/a><\/p>\n<p>[\/et_pb_text][\/et_pb_column_inner][et_pb_column_inner type=&#8221;1_2&#8243; saved_specialty_column_type=&#8221;3_4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; 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&nbsp; &nbsp; &nbsp;Solinst Field Services &nbsp; &nbsp; &nbsp; Safeguard your project\u2019s success and mitigate any potential for downtime or additional costs. &nbsp; &nbsp;Instructions401 Waterloo Multi-level Groundwater Monitoring System Assembly ManualPDF (6 MB)Multi-level System Comparison &#8211; Model 403 &amp; Model 401PDF (218 KB)<div class=\"et_pb_with_border et_pb_module dsm_menu dsm_menu_0  et_pb_text_align_left et_pb_bg_layout_light\">\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<h4 class=\"dsm-menu-title et_pb_module_header\">Related Products<\/h4><nav class=\"dsm-menu-container\" role=navigation itemscope itemtype=http:\/\/schema.org\/SiteNavigationElement><ul id=\"menu-401-waterloo-related-products\" class=\"dsm-menu dsm-menu-style-type-none dsm-menu-layout-vertical dsm-menu-submenu-collapse\"><li id=\"menu-item-2816\" class=\"et_pb_menu_page_id-2816 menu-item menu-item-type-custom menu-item-object-custom menu-item-2816\"><a href=\"https:\/\/www.solinst.com\/products\/level-measurement-devices\/102-water-level-indicator\/\" itemprop=\"url\"><span itemprop=\"name\">Model 102 Water Level Meter<\/span><\/a><\/li>\n<li id=\"menu-item-2817\" class=\"et_pb_menu_page_id-2817 menu-item menu-item-type-custom menu-item-object-custom menu-item-2817\"><a href=\"https:\/\/www.solinst.com\/products\/level-measurement-devices\/102-water-level-indicator\/datasheet\/mini-water-level-indicator.php\" itemprop=\"url\"><span itemprop=\"name\">Model 102M Mini Water Level Meter<\/span><\/a><\/li>\n<li id=\"menu-item-2818\" class=\"et_pb_menu_page_id-2818 menu-item menu-item-type-custom menu-item-object-custom menu-item-2818\"><a href=\"https:\/\/www.solinst.com\/products\/level-measurement-devices\/103-tag-line\/\" itemprop=\"url\"><span itemprop=\"name\">Model 103 Tag Line<\/span><\/a><\/li>\n<li id=\"menu-item-2819\" class=\"et_pb_menu_page_id-1761 menu-item menu-item-type-post_type menu-item-object-page menu-item-2819\"><a href=\"https:\/\/www.solinst.com\/instruments\/multilevel-systems\/403-cmt-multilevel-systems\/\" itemprop=\"url\"><span itemprop=\"name\">403 CMT Multilevel Systems<\/span><\/a><\/li>\n<li id=\"menu-item-2820\" class=\"et_pb_menu_page_id-2820 menu-item menu-item-type-custom menu-item-object-custom menu-item-2820\"><a href=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/410-peristaltic-pumps\/\" itemprop=\"url\"><span itemprop=\"name\">Model 410 Peristaltic Pumps<\/span><\/a><\/li>\n<\/ul><\/nav>\n\t\t\t\t<\/div>\n\t\t\t<\/div><\/p>\n","protected":false},"author":1,"featured_media":221175,"parent":220157,"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":[137],"class_list":["post-221169","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>401 Waterloo Multi-level System Operating Instructions<\/title>\n<meta name=\"description\" content=\"Solinst 401 Waterloo Multi-level System Operating Instructions. 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