{"id":221580,"date":"2025-11-13T22:46:51","date_gmt":"2025-11-13T22:46:51","guid":{"rendered":"https:\/\/www.solinst.com\/101d-water-level-drawdown-meter-operating-instructions\/"},"modified":"2026-05-07T22:34:34","modified_gmt":"2026-05-07T22:34:34","slug":"101d-water-level-drawdown-meter-operating-instructions","status":"publish","type":"page","link":"https:\/\/www.solinst.com\/en-gb\/products\/level-measurement-devices\/101d-water-level-drawdown-meter\/101d-water-level-drawdown-meter-instructions\/101d-water-level-drawdown-meter-operating-instructions\/","title":{"rendered":"101D Water Level DrawDown Meter 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_heading title=&#8221;Water Level DrawDown Meter Operating Instructions&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;6983e4e7-a6e0-4a8d-b486-49939fd240c0&#8243; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][\/et_pb_heading][dsm_breadcrumbs disabled_on=&#8221;on|off|off&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; home_icon_text_color=&#8221;#d6d6d6&#8243; 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;4.27.4&#8243; _module_preset=&#8221;4759a92f-4b27-4854-bb2c-299854634e93&#8243; global_module=&#8221;121878&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; width=&#8221;90%&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_code admin_label=&#8221;101D Mobile Nav &#8211; Select Dropdown&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#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=\"\">101D Water Level DrawDown Meter Link Menu<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/level-measurement-devices\/101d-water-level-drawdown-meter\/\">Water Level DrawDown Meter Main Page<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/level-measurement-devices\/101-water-level-meter\/get-quote.php?prod=101d\">Get a Quote<\/option><!-- [et_pb_line_break_holder] -->  <!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/Forms\/sol.php\">Send Me Info<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/level-measurement-devices\/101d-water-level-drawdown-meter\/datasheet\/\">Datasheet<\/option><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/level-measurement-devices\/101d-water-level-drawdown-meter\/instructions\/\">Instructions<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/level-measurement-devices\/101d-water-level-drawdown-meter\/instructions\/101d-water-level-drawdown-meter-operating-instructions\/\">-Operating Instructions<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/level-measurement-devices\/101d-water-level-drawdown-meter\/instructions\/connecting-laser-marked-replacement-tape-to-reel\/\">-Connecting Laser Marked Replacement Tape to Reel<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/level-measurement-devices\/101d-water-level-drawdown-meter\/instructions\/probe-crimp-terminal-replacement\/\">-Probe Crimp Terminal Replacement<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/level-measurement-devices\/101d-water-level-drawdown-meter\/instructions\/backplate-replacement\/\">-Backplate Replacement<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/level-measurement-devices\/101d-water-level-drawdown-meter\/instructions\/battery-drawer-replacement\/\">-Battery Drawer Replacement<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/level-measurement-devices\/101-water-level-meter\/operating-instructions\/101-frame-break-probe-holder-replacement.pdf\">-Frame, Brake, and Probe Holder Replacement (PDF)<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/level-measurement-devices\/101d-water-level-drawdown-meter\/instructions\/tape-seal-plug-brass-tube-replacement\/\">-Tape Seal Plug Brass Tubes Replacement<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/data\/wlm-comparison.pdf\">Meter Comparison Chart (PDF)<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/data\/wlm-tape-probe-comparison.pdf\">Tape &amp; Probe Comparison Chart (PDF)<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/level-measurement-devices\/\">Level Measurement Devices<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/level-measurement-devices\/lmd-comparison.php\">Level Measurement Devices Comparison Chart<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/level-measurement-devices\/lmd-comparison-tape-probe.php\">Level Measurement Devices \u2013 Tape &amp; Probe Comparison<\/option><!-- [et_pb_line_break_holder] --><!-- [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;4.27.4&#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;404&#8243; admin_label=&#8221;101D Water Level DrawDown Meter Main Nav&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;242faa89-ac4f-4e46-90fe-505e8c1eab79&#8243; global_module=&#8221;121778&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_menu][et_pb_slider disabled_on=&#8221;on|on|off&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; display_conditions=&#8221;W10=&#8221; link_option_url=&#8221;https:\/\/downloads.solinst.com\/free-shipping?utm_source=solinst&#038;utm_medium=WC-global-sidebar-position1&#038;utm_campaign=free-shipping&#8221; global_module=&#8221;53188&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_slide button_text=&#8221;Advantages of Using Water Flute&#8221; button_link=&#8221;https:\/\/www.solinst.com\/en-gb\/products\/solinst-flute\/405-water-flute\/?utm_source=solinst&amp;utm_medium=WC-global-sidebar-position1&amp;utm_campaign=405-water-flute&#8221; use_bg_overlay=&#8221;on&#8221; bg_overlay_color=&#8221;rgba(224,97,0,0.58)&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#F07C00&#8243; background_enable_color=&#8221;on&#8221; background_image=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2024\/12\/405-water-flute-multilevel-groundwater-system-installation.webp&#8221; background_enable_image=&#8221;on&#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; background_last_edited=&#8221;on|desktop&#8221; global_colors_info=&#8221;{}&#8221; sticky_transition=&#8221;on&#8221;]<\/p>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<h2><strong><\/strong><\/h2>\n<p>&nbsp;<\/p>\n<h2>Depth Discrete Groundwater Monitoring<\/h2>\n<p><b>Reduce Costs and Field Time<\/b><\/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\/instruments\/groundwater-samplers\/410-peristaltic-pumps\/?utm_source=solinst&#038;utm_medium=WC-global-sidebar-position2&#038;utm_campaign=410-101d&#8221; global_module=&#8221;53561&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_slide heading=&#8221;Automated Pumping with DrawDown Mode&#8221; button_text=&#8221;New Peristaltic Pump Mk5&#8243; button_link=&#8221;https:\/\/www.solinst.com\/instruments\/groundwater-samplers\/410-peristaltic-pumps\/?utm_source=solinst&amp;utm_medium=WC-global-sidebar-position2&amp;utm_campaign=410-101d&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_text_color=&#8221;#000000&#8243; 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\/2026\/01\/101d-water-level-drawdown-meter-2-965&#215;500-1.webp&#8221; background_enable_image=&#8221;on&#8221; background_size=&#8221;contain&#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; button_custom_margin=&#8221;||||false|false&#8221; button_custom_padding=&#8221;1px||||false|false&#8221; custom_padding=&#8221;76px||||false|false&#8221; header_text_shadow_style=&#8221;preset3&#8243; global_colors_info=&#8221;{}&#8221; sticky_transition=&#8221;on&#8221;]<\/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=&#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;4.27.4&#8243; _module_preset=&#8221;3d68e16c-1ed2-447f-b17f-a63c20af3cf6&#8243; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column_inner saved_specialty_column_type=&#8221;3_4&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][dsm_icon_list icon_font_size=&#8221;30px&#8221; list_alignment=&#8221;flex-end&#8221; text_indent=&#8221;10px&#8221; list_alignment_tablet=&#8221;flex-end&#8221; list_alignment_phone=&#8221;flex-start&#8221; list_alignment_last_edited=&#8221;on|desktop&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;|600|||||||&#8221; link_option_url_new_window=&#8221;on&#8221; global_colors_info=&#8221;{}&#8221;][dsm_icon_list_child text=&#8221;Operating Instructions PDF&#8221; font_icon=&#8221;&#xf1c1;||fa||900&#8243; icon_color=&#8221;#ff8500&#8243; url=&#8221;https:\/\/www.solinst.com\/products\/level-measurement-devices\/101d-water-level-drawdown-meter\/operating-instructions\/101d-op-inst-114140.pdf&#8221; url_new_window=&#8221;on&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; icon_color__hover_enabled=&#8221;on|hover&#8221; icon_color__hover=&#8221;#828282&#8243; text_text_color__hover_enabled=&#8221;on|hover&#8221; text_text_color__hover=&#8221;#7a7a7a&#8221;][\/dsm_icon_list_child][\/dsm_icon_list][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#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_heading title=&#8221;Water Level DrawDown Meter &#8211; Model 101D&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;46ad5c23-ecb8-466b-9973-452975f03683&#8243; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][\/et_pb_heading][et_pb_text admin_label=&#8221;research article&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_font_size=&#8221;26px&#8221; header_2_font_size=&#8221;22px&#8221; custom_margin=&#8221;0px||20px||false|false&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]The <a href=\"https:\/\/www.solinst.com\/en-gb\/101d-water-level-drawdown-meter\/\" title=\"101D Water Level DrawDown Meter\"><strong>101D Water Level DrawDown Meter<\/strong><\/a> has all of the same qualities as our well-known 101 P7 Water Level Meter, with the added feature of a drawdown mode. One simple toggle switches<br \/>\nbetween static water level and drawdown measurements. <\/p>\n<p>Water level mode allows accurate depth to water measurements in wells, boreholes, standpipes and tanks. The drawdown function is used to monitor falling hydraulic head during low flow sampling, pumping and other aquifer\/well tests. It also ensures a pump\u2019s intake remains submerged during purging or<br \/>\nwell development.  <\/p>\n<p>A <strong>DrawDown Link Cable Assembly<\/strong> is available for connecting to a <strong>Model 410 Mk5 Peristaltic Pump<\/strong>, enabling automatic control of the pump based on water level (see the Model 410 Peristaltic Pump Data Sheet).[\/et_pb_text][et_pb_heading title=&#8221;Operating Principles&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;46ad5c23-ecb8-466b-9973-452975f03683&#8243; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][\/et_pb_heading][et_pb_text admin_label=&#8221;research article&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_font_size=&#8221;26px&#8221; header_2_font_size=&#8221;22px&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]The <a href=\"https:\/\/www.solinst.com\/en-gb\/101d-water-level-drawdown-meter\/\" title=\"101D Water Level DrawDown Meter\"><strong>101D Water Level DrawDown Meter<\/strong><\/a> uses a corrosion resistant stainless steel probe connected to clearly marked flat tape, fitted on a well-designed reel. It is powered by a standard 9 volt battery. <\/p>\n<p>In water level mode, when the zero point on the probe enters water, an electronic circuit is completed, activating the buzzer and light. The depth to water is then read off the tape. In drawdown mode, the circuit is reversed\u2014the buzzer and light are triggered when the probe is in air.  <\/p>\n<p>The battery test button can check the circuit in both water level and drawdown modes. The on\/off sensitivity control allows the buzzer to be turned down in cascading water and ensures a clear signal in high and low conductivity conditions.[\/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; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/11\/101d-water-level-drawdown-meter-facing-left.webp&#8221; alt=&#8221;solinst 101d water level drawdown meter&#8221; title_text=&#8221;Solinst 101D Water Level DrawDown Meter&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_button button_url=&#8221;https:\/\/www.solinst.com\/products\/level-measurement-devices\/101-water-level-meter\/get-quote.php?prod=101d&#8221; button_text=&#8221;Get Quote&#8221; admin_label=&#8221;101d get quote&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;c9e00792-1360-4998-8cf9-5f6772c944ba&#8221; custom_margin=&#8221;20px||||false|false&#8221; custom_padding=&#8221;6px|47px|6px|47px|false|false&#8221; global_module=&#8221;121848&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_button][\/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; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#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;4.27.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;RGBA(255,255,255,0)&#8221; custom_padding=&#8221;|||0px|false|false&#8221; custom_css_free_form=&#8221;width: 68%!important;||margin-right: 2%!important;&#8221; global_colors_info=&#8221;{}&#8221; background__hover_enabled=&#8221;on|hover&#8221; background_color__hover=&#8221;&#8221; background_enable_color__hover=&#8221;off&#8221;][et_pb_image src=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/11\/101d-water-level-drawdown-meter-front-view-1.webp&#8221; alt=&#8221;101d water level drawdown meter front view&#8221; title_text=&#8221;Solinst 101D Water Level DrawDown Meter Front View&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/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; background_color=&#8221;RGBA(255,255,255,0)&#8221; custom_padding=&#8221;|||0px|false|false&#8221; custom_css_free_form=&#8221;width: 68%!important;||margin-right: 2%!important;&#8221; global_colors_info=&#8221;{}&#8221; background__hover_enabled=&#8221;on|hover&#8221; background_color__hover=&#8221;&#8221; background_enable_color__hover=&#8221;off&#8221;][et_pb_heading title=&#8221;101D Water Level DrawDown Meter Front View&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;46ad5c23-ecb8-466b-9973-452975f03683&#8243; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][\/et_pb_heading][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; ol_font=&#8221;|700|||||||&#8221; ol_text_color=&#8221;#494949&#8243; ol_font_size=&#8221;18px&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<ol>\n<li><b>Indicator Light<\/b><\/li>\n<li><b>Battery Test Button<\/b><\/li>\n<li><b>Battery Drawer<\/b><\/li>\n<li><b>Handle<\/b><\/li>\n<li><b>P7 Probe and Shroud<\/b><\/li>\n<li><b>DrawDown Link Cable Connection<\/b><\/li>\n<li><b>Sonalert<\/b><\/li>\n<li><b>On\/Off Sensitivity Dial<\/b><\/li>\n<li><b>Water Level \/ Draw Down Switch<\/b><\/li>\n<\/ol>\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; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#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;4.27.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;RGBA(255,255,255,0)&#8221; custom_padding=&#8221;|||0px|false|false&#8221; custom_css_free_form=&#8221;width: 68%!important;||margin-right: 2%!important;&#8221; global_colors_info=&#8221;{}&#8221; background__hover_enabled=&#8221;on|hover&#8221; background_color__hover=&#8221;&#8221; background_enable_color__hover=&#8221;off&#8221;][et_pb_image src=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/11\/101d-water-level-drawdown-meter-back-view.webp&#8221; alt=&#8221;101d water level drawdown meter back view&#8221; title_text=&#8221;Solinst 101D Water Level DrawDown Meter Back View&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/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; background_color=&#8221;RGBA(255,255,255,0)&#8221; custom_padding=&#8221;|||0px|false|false&#8221; custom_css_free_form=&#8221;width: 68%!important;||margin-right: 2%!important;&#8221; global_colors_info=&#8221;{}&#8221; background__hover_enabled=&#8221;on|hover&#8221; background_color__hover=&#8221;&#8221; background_enable_color__hover=&#8221;off&#8221;][et_pb_heading title=&#8221;101D Water Level DrawDown Meter Back View&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;46ad5c23-ecb8-466b-9973-452975f03683&#8243; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][\/et_pb_heading][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; ol_font=&#8221;|700|||||||&#8221; ol_text_color=&#8221;#494949&#8243; ol_font_size=&#8221;18px&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<ol>\n<li><b>Probe Holder<\/b><\/li>\n<li><b>Brake<\/b><\/li>\n<li><b>Tape Guide<\/b><\/li>\n<\/ol>\n<p>[\/et_pb_text][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#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;4.27.4&#8243; _module_preset=&#8221;e910b435-fe18-45d2-b351-bda808b1a267&#8243; hover_enabled=&#8221;0&#8243; border_width_all=&#8221;1px&#8221; border_color_all=&#8221;rgba(0,0,0,0.23)&#8221; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<div class=\"boxColumn\">\n<div class=\"boxContent\">\n<p style=\"text-align: center;\"><strong>Water Level Mode:<\/strong> light and buzzer activate when probe is submersed.<br \/><strong>Draw Down Mode:<\/strong> light and buzzer activate when probe is in air.<\/p>\n<\/div>\n<\/div>\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; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#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;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_heading title=&#8221;Equipment Check&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;46ad5c23-ecb8-466b-9973-452975f03683&#8243; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][\/et_pb_heading][et_pb_text admin_label=&#8221;research article&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_font_size=&#8221;26px&#8221; header_2_font_size=&#8221;22px&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]1. Ensure the meter is in Water Level mode. Turn the sensitivity<br \/>\ndial fully clockwise. <\/p>\n<p>2. Depress the battery test button to test the battery and main circuitry (does not test the tape or probe). Light and buzzer will activate. <\/p>\n<p>3. Submerse the probe in tap water. This completes the circuit and activates the buzzer and light. <\/p>\n<p>4. Switch to Draw Down mode. The buzzer and light will turn off when the probe is submersed. <\/p>\n<p>5. Remove the probe from water to activate the buzzer and light. Depress battery test button and light and buzzer will turn off.[\/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;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;e910b435-fe18-45d2-b351-bda808b1a267&#8243; hover_enabled=&#8221;0&#8243; border_width_all=&#8221;1px&#8221; border_color_all=&#8221;rgba(0,0,0,0.23)&#8221; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<div class=\"boxColumn\">\n<div class=\"boxContent\">\n<p style=\"text-align: left;\"><b>Notes:<\/b><\/p>\n<ol>\n<li style=\"text-align: left;\">Clockwise rotation of the sensitivity dial turns the meter on<br \/>and increases sensitivity.<\/li>\n<li style=\"text-align: left;\">Always set switch to highest sensitivity position, then<br \/>decrease if necessary.<\/li>\n<li style=\"text-align: left;\">The probe shroud should only be removed for cleaning.<\/li>\n<\/ol>\n<\/div>\n<\/div>\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; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#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;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_heading title=&#8221;The Tape Guide&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;46ad5c23-ecb8-466b-9973-452975f03683&#8243; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][\/et_pb_heading][et_pb_text admin_label=&#8221;research article&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_font_size=&#8221;26px&#8221; header_2_font_size=&#8221;22px&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]1. Fit the small end of the Tape Guide onto the edge of well casing 50 mm (2&#8243;) diameter or larger.<\/p>\n<p>2. For small reels only, insert the leg into the hole in the Tape Guide and rest the reel on the side of the well casing.<\/p>\n<p>3. To store the Tape Guide, simply clip it onto the support bracket located on the back of the reel.[\/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;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/11\/solinst-tape-guide.webp&#8221; alt=&#8221;solinst tape guide&#8221; title_text=&#8221;Solinst Tape Guide&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; width=&#8221;60%&#8221; custom_margin=&#8221;||5px|||&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; ol_font=&#8221;|700|||||||&#8221; ol_text_color=&#8221;#494949&#8243; ol_font_size=&#8221;18px&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<ol>\n<li><b>Measurement Point<\/b><\/li>\n<li><b>Insert reel leg through hole<\/b><\/li>\n<li><b>Fit onto well casing<\/b><\/li>\n<\/ol>\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; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#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;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_heading title=&#8221;Routine Care&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;46ad5c23-ecb8-466b-9973-452975f03683&#8243; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][\/et_pb_heading][et_pb_text admin_label=&#8221;research article&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_font_size=&#8221;26px&#8221; header_2_font_size=&#8221;22px&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]1. After use, the tape should be carefully rewound onto the reel, the probe wiped dry and placed into the probe holder.<\/p>\n<p>2. The probe, tape and reel can be wiped clean with phosphate free (non-abrasive) detergent and warm water. Do not submerge the reel. <\/p>\n<p>3. Use of a Carrying Bag adds to the service life of the meter.<\/p>\n<p>4. Use of the Tape Guide adds to the life of the tape.[\/et_pb_text][et_pb_heading title=&#8221;Probe Care and Cleaning&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;46ad5c23-ecb8-466b-9973-452975f03683&#8243; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][\/et_pb_heading][et_pb_text admin_label=&#8221;research article&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_font_size=&#8221;26px&#8221; header_2_font_size=&#8221;22px&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]1. Pull the shroud straight off the probe (this may take some force as it is a friction fit). Clean the shroud with a cloth. <\/p>\n<p>2. Remove any dirt or water from around the central sensor pin.<\/p>\n<p>3. If the central sensor pin is corroded or coated, use emery cloth to polish it.<\/p>\n<p>4. After cleaning, replace the shroud by pushing straight onto the probe until it fully seats.[\/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;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_heading title=&#8221;Battery Replacement&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;46ad5c23-ecb8-466b-9973-452975f03683&#8243; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][\/et_pb_heading][et_pb_text admin_label=&#8221;research article&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_font_size=&#8221;26px&#8221; header_2_font_size=&#8221;22px&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<strong>\u2022 Battery type &#8211; alkaline, 9 volt.<\/strong><\/p>\n<p>1. The battery is housed in a convenient battery drawer located in the faceplate of the Water Level Drawdown Meter.<\/p>\n<p>2. To replace the battery, simply press the drawer in, lift then pull.<\/p>\n<p>3. The battery drawer will slide out enough to pull it out.<\/p>\n<p>4. Note the polarity (positive (+) terminal should be towards the small notch in the end of the drawer) and place new battery in the drawer and slide it back into the faceplate.[\/et_pb_text][et_pb_heading title=&#8221;Replacement Parts&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;46ad5c23-ecb8-466b-9973-452975f03683&#8243; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][\/et_pb_heading][et_pb_text admin_label=&#8221;research article&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_font_size=&#8221;26px&#8221; header_2_font_size=&#8221;22px&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]The following parts can be provided should they become lost<br \/>\nor damaged.<\/p>\n<p>1. Probes and probe shrouds<\/p>\n<p>2. Tape with Tape Seal Plug, Tape Seal Plug on shorter lengths of tape (1 m or 3 ft) and splice kit<\/p>\n<p>3. Lights, switches, etc.<\/p>\n<p>4. Reels[\/et_pb_text][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#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;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_heading title=&#8221;Water Level and Drawdown Measurements&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;46ad5c23-ecb8-466b-9973-452975f03683&#8243; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][\/et_pb_heading][et_pb_text admin_label=&#8221;research article&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_font_size=&#8221;26px&#8221; header_2_font_size=&#8221;22px&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<ul>\n<li>The P7 Probe zero measurement point is located near the tip of the probe.<\/li>\n<li>For ease of operation the Tape Guide can be used to support the reel. Feed the tape into and out of the well using the groove in the top of the Tape Guide. <\/li>\n<li>When using the Tape Guide, the measuring point is offset from the top of casing. To adjust your measurements to the top of the casing, simply subtract the amount indicated on the front of the Tape Guide (i.e. 6 cm or 0.2 ft). <\/li>\n<\/ul>\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;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;e910b435-fe18-45d2-b351-bda808b1a267&#8243; hover_enabled=&#8221;0&#8243; border_width_all=&#8221;1px&#8221; border_color_all=&#8221;rgba(0,0,0,0.23)&#8221; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<div class=\"boxColumn\">\n<div class=\"boxContent\">\n<p style=\"text-align: left;\"><b>Notes:<\/b><\/p>\n<p>See separate operating instructions for use of the <strong>DrawDown Link Cable Assembly<\/strong> with the <strong>Model 410 Peristaltic Pump<\/strong>. When connected, pumping can be automatically controlled based on the drawdown level. <\/p>\n<\/div>\n<\/div>\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; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#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;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_heading title=&#8221;Water Level Measurement&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;46ad5c23-ecb8-466b-9973-452975f03683&#8243; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][\/et_pb_heading][et_pb_text admin_label=&#8221;research article&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_font_size=&#8221;26px&#8221; header_2_font_size=&#8221;22px&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]1. Ensure the meter is in Water Level mode.<\/p>\n<p>2. Lower the probe. The light and buzzer activate when the black Delrin tip is submerged and the zero point is reached. To ensure accuracy, lower and raise the probe a few times and then record the depth measurement from the tape at the top of the well.[\/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;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_heading title=&#8221;Water Level Mode&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;46ad5c23-ecb8-466b-9973-452975f03683&#8243; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243; title_text_align=&#8221;center&#8221;][\/et_pb_heading][et_pb_image src=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/11\/101d-water-level-drawdown-meter-water-level-mode.webp&#8221; alt=&#8221;solinst 101d water level drawdown meter water level mode&#8221; title_text=&#8221;Solinst 101D Water Level DrawDown Meter Water Level Mode&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column_inner saved_specialty_column_type=&#8221;3_4&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_heading title=&#8221;Drawdown Measurement&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;46ad5c23-ecb8-466b-9973-452975f03683&#8243; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][\/et_pb_heading][et_pb_text admin_label=&#8221;research article&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_font_size=&#8221;26px&#8221; header_2_font_size=&#8221;22px&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]1. With the meter in Water Level mode, lower the probe to the desired drawdown depth.<\/p>\n<p>2. Once you have submersed the probe at the desired depth, switch to Draw Down mode. The light and buzzer will shut off. <\/p>\n<p>3. While conducting your pumping\/sampling application, the light and buzzer will activate if the probe exits the water.[\/et_pb_text][et_pb_heading title=&#8221;Draw Down Mode&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;46ad5c23-ecb8-466b-9973-452975f03683&#8243; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243; title_text_align=&#8221;center&#8221;][\/et_pb_heading][et_pb_image src=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/11\/101d-water-level-drawdown-meter-draw-down-mode.webp&#8221; alt=&#8221;solinst 101d water level drawdown meter draw down mode&#8221; title_text=&#8221;Solinst 101D Water Level DrawDown Meter Draw Down Mode&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_heading title=&#8221;Troubleshooting&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;46ad5c23-ecb8-466b-9973-452975f03683&#8243; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][\/et_pb_heading][dvmd_table_maker tbl_top_left_mode=&#8221;on&#8221; tbl_responsive_break_by=&#8221;row&#8221; tbl_chead_cell_color=&#8221;rgba(10,10,10,0.59)&#8221; tbl_chead_text_wrap=&#8221;normal&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; tbl_chead_text_text_color=&#8221;#FFFFFF&#8221; tbl_chead_text_font_size=&#8221;18px&#8221; custom_button=&#8221;on&#8221; button_text_size=&#8221;17px&#8221; button_text_color=&#8221;#FFFFFF&#8221; button_bg_color=&#8221;#ed8b00&#8243; button_border_width=&#8221;0px&#8221; button_border_radius=&#8221;5px&#8221; button_letter_spacing=&#8221;0px&#8221; button_font=&#8221;|600||on|||||&#8221; global_colors_info=&#8221;{}&#8221;][dvmd_table_maker_item col_content=&#8221;Symptom<br \/>\nIn Water Level mode: no sound when probe immersed in water.<br \/>\nIn Water Level mode: no sound when probe immersed in water.<br \/>\nIn Water Level mode: no sound when probe immersed in water.<br \/>\nIn Water Level mode: no sound when probe immersed in water.<br \/>\nIn Water Level mode: no sound when probe immersed in water.<br \/>\nIn Water Level mode: instrument continuously sounds after being immersed in water.&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; col_tcell_text_font=&#8221;||||||||&#8221; col_tcell_text_font_size=&#8221;16px&#8221; col_chead_text_font=&#8221;|700|||||||&#8221; global_colors_info=&#8221;{}&#8221;][\/dvmd_table_maker_item][dvmd_table_maker_item col_content=&#8221;Cause<br \/>\nDead battery.<br \/>\nWater Conductivity is very low.<br \/>\nDisconnected wires on circuit board.<br \/>\nBroken wire in tape.<br \/>\nDisconnected wire inside probe.<br \/>\nWater in probe. Probe may be dirty which could interfere with the circuit connection.&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; col_tcell_text_font=&#8221;||||||||&#8221; col_tcell_text_font_size=&#8221;16px&#8221; col_chead_text_font=&#8221;|700|||||||&#8221; global_colors_info=&#8221;{}&#8221;][\/dvmd_table_maker_item][dvmd_table_maker_item col_content=&#8221;Remedy<br \/>\nReplace with 9V Alkaline.<br \/>\nIncrease sensitivity switch setting (turn clockwise) or call Solinst for assistance.<br \/>\nCheck all connections inside hub of reel for loose\/disconnected wires \u2013 solder or reconnect.<br \/>\nLocate break in tape \u2013 splice and seal, or replace. (Contact Solinst)<br \/>\nContact Solinst to obtain parts\/repair instructions.<br \/>\nRemove the probe. If sounding stops, check\/replace o-ring. If sounding continues, check connection of electronics and wiring in reel. If sounding continues, contact Solinst for assessment or replace probe with new probe.&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; col_tcell_text_font=&#8221;||||||||&#8221; col_tcell_text_font_size=&#8221;16px&#8221; col_chead_text_font=&#8221;|700|||||||&#8221; global_colors_info=&#8221;{}&#8221;][\/dvmd_table_maker_item][\/dvmd_table_maker][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#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_heading title=&#8221;Related Products&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;46ad5c23-ecb8-466b-9973-452975f03683&#8243; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;][\/et_pb_heading][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner column_structure=&#8221;1_2,1_2&#8243; disabled_on=&#8221;off|off|off&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; border_width_bottom=&#8221;1px&#8221; border_color_bottom=&#8221;#d3d3d3&#8243; global_module=&#8221;120903&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column_inner type=&#8221;1_2&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/09\/407-bladder-pumps.webp&#8221; alt=&#8221;solinst model 407 bladder pumps&#8221; title_text=&#8221;Solinst Model 407 Bladder Pumps&#8221; url=&#8221;https:\/\/www.solinst.com\/products\/groundwater-samplers\/407-bladder-pumps\/index.php&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; border_color_all=&#8221;#bcbcbc&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column_inner][et_pb_column_inner type=&#8221;1_2&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_2_line_height=&#8221;1.3em&#8221; custom_margin=&#8221;60px||||false|false&#8221; custom_margin_tablet=&#8221;0px||||false|false&#8221; custom_margin_phone=&#8221;0px||||false|false&#8221; custom_margin_last_edited=&#8221;on|desktop&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2><strong>Bladder Pumps with Easy to Replace Bladder Cartridges<\/strong><\/h2>\n<p><a href=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/407-bladder-pumps\/index.php\" title=\"Solinst Bladder Pumps\"><strong>Solinst Bladder Pumps<\/strong><\/a> now feature Santoprene\u00ae bladder cartridges that are quick and easy to replace in the field \u2013 no tools required. PVC Bladder Pumps are low cost and excellent for metals sampling and in harsh, corrosive environments. <\/p>\n<p>[\/et_pb_text][et_pb_button button_url=&#8221;https:\/\/www.solinst.com\/products\/groundwater-samplers\/407-bladder-pumps\/index.php&#8221; button_text=&#8221;Low Flow Groundwater Sampling&#8221; button_alignment=&#8221;right&#8221; button_alignment_tablet=&#8221;center&#8221; button_alignment_phone=&#8221;center&#8221; button_alignment_last_edited=&#8221;on|phone&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_button=&#8221;on&#8221; button_text_size=&#8221;20px&#8221; button_text_color=&#8221;#000000&#8243; button_bg_color=&#8221;#FFFFFF&#8221; button_border_color=&#8221;#ff8500&#8243; button_border_radius=&#8221;20px&#8221; button_icon=&#8221;&#x3d;||divi||400&#8243; custom_padding=&#8221;0px|||||&#8221; button_text_size_tablet=&#8221;18px&#8221; button_text_size_phone=&#8221;16px&#8221; button_text_size_last_edited=&#8221;on|desktop&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_button][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner column_structure=&#8221;1_2,1_2&#8243; disabled_on=&#8221;off|off|off&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; border_width_bottom=&#8221;1px&#8221; border_color_bottom=&#8221;#d3d3d3&#8243; global_module=&#8221;120904&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column_inner type=&#8221;1_2&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/09\/101d-water-level-drawdown-meter-and-power-winder.webp&#8221; alt=&#8221;101d water level drawdown meter with power winder installed&#8221; title_text=&#8221;101D Water Level DrawDown Meter with Power Winder Installed&#8221; url=&#8221;https:\/\/www.solinst.com\/products\/level-measurement-devices\/101-power-winder\/101-power-winder.php&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; border_color_all=&#8221;#bcbcbc&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column_inner][et_pb_column_inner type=&#8221;1_2&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_2_line_height=&#8221;1.3em&#8221; custom_margin=&#8221;60px||||false|false&#8221; custom_margin_tablet=&#8221;0px||||false|false&#8221; custom_margin_phone=&#8221;0px||||false|false&#8221; custom_margin_last_edited=&#8221;on|desktop&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2><strong>101 Power Winder<\/strong><\/h2>\n<p>The <a href=\"https:\/\/www.solinst.com\/products\/level-measurement-devices\/101-power-winder\/101-power-winder.php\" title=\"101 Power Winder\"><strong>101 Power Winder<\/strong><\/a> provides both convenience and ease of use for all Solinst reel-mounted devices. It is lightweight and easy to attach to small, medium or large size Solinst reels, and is simple to adjust to fit other reels in the market. Effortlessly wind longer tape lengths.  <\/p>\n<p>(Image shows 101 Power Winder Installed on Solinst Model 101D Water Level DrawDown Meter)<\/p>\n<p>[\/et_pb_text][et_pb_button button_url=&#8221;https:\/\/www.solinst.com\/products\/level-measurement-devices\/101-power-winder\/101-power-winder.php&#8221; button_text=&#8221;Effortlessly Wind Longer Tape Lengths&#8221; button_alignment=&#8221;right&#8221; button_alignment_tablet=&#8221;center&#8221; button_alignment_phone=&#8221;center&#8221; button_alignment_last_edited=&#8221;on|phone&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_button=&#8221;on&#8221; button_text_size=&#8221;20px&#8221; button_text_color=&#8221;#000000&#8243; button_bg_color=&#8221;#FFFFFF&#8221; button_border_color=&#8221;#ff8500&#8243; button_border_radius=&#8221;20px&#8221; button_icon=&#8221;&#x3d;||divi||400&#8243; custom_padding=&#8221;0px|||||&#8221; button_text_size_tablet=&#8221;18px&#8221; button_text_size_phone=&#8221;16px&#8221; button_text_size_last_edited=&#8221;on|desktop&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_button][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;3676f7e6-7b83-4698-94ce-2cc9fa9ae43d&#8221; custom_margin=&#8221;50px||3em||false|false&#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_heading title=&#8221;Related Blog Posts&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;46ad5c23-ecb8-466b-9973-452975f03683&#8243; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;][\/et_pb_heading][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner column_structure=&#8221;1_2,1_2&#8243; disabled_on=&#8221;off|off|off&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; border_width_bottom=&#8221;1px&#8221; border_color_bottom=&#8221;#d3d3d3&#8243; global_module=&#8221;120907&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column_inner type=&#8221;1_2&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2025\/09\/importance-of-measuring-water-level-drawdown.webp&#8221; alt=&#8221;importance of measuring water level drawdown&#8221; title_text=&#8221;Importance of Measuring Water Level DrawDown&#8221; url=&#8221;https:\/\/www.solinst.com\/onthelevel-news\/water-level-monitoring\/the-importance-of-measuring-drawdown\/&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; border_color_all=&#8221;#bcbcbc&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column_inner][et_pb_column_inner type=&#8221;1_2&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; header_2_line_height=&#8221;1.3em&#8221; custom_margin=&#8221;60px||||false|false&#8221; custom_margin_tablet=&#8221;0px||||false|false&#8221; custom_margin_phone=&#8221;0px||||false|false&#8221; custom_margin_last_edited=&#8221;on|desktop&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2><strong>The Importance of Measuring Water Level Drawdown<\/strong><\/h2>\n<p>How Using a <strong>Levelogger<\/strong> and <strong>101D Water Level DrawDown<\/strong> <strong>Meter<\/strong> Together Provides Essential Data.<br \/>What is Drawdown? Drawdown is a change in groundwater level due to an applied stress, caused by events such as: Pumping from a well Pumping from a neighbouring well Intensive water taking from local area Seasonal declines as recharge rates lower&#8230;. <\/p>\n<p>[\/et_pb_text][et_pb_button button_url=&#8221;https:\/\/www.solinst.com\/products\/level-measurement-devices\/101d-water-level-drawdown-meter\/101d.php&#8221; button_text=&#8221;How is Drawdown Measured?&#8221; button_alignment=&#8221;right&#8221; button_alignment_tablet=&#8221;center&#8221; button_alignment_phone=&#8221;center&#8221; button_alignment_last_edited=&#8221;on|phone&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_button=&#8221;on&#8221; button_text_size=&#8221;20px&#8221; button_text_color=&#8221;#000000&#8243; button_bg_color=&#8221;#FFFFFF&#8221; button_border_color=&#8221;#ff8500&#8243; button_border_radius=&#8221;20px&#8221; button_icon=&#8221;&#x3d;||divi||400&#8243; custom_padding=&#8221;0px|||||&#8221; button_text_size_tablet=&#8221;18px&#8221; button_text_size_phone=&#8221;16px&#8221; button_text_size_last_edited=&#8221;on|desktop&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_button][\/et_pb_column_inner][\/et_pb_row_inner][\/et_pb_column][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;Adobe Analytics Code&#8221; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;||4px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_code admin_label=&#8221;AA Code for this page&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<!-- SiteCatalyst code version: H.21. 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One simple toggle switches between static water level and drawdown measurements. Water level mode allows accurate depth to water measurements in wells, boreholes, standpipes and tanks. The drawdown function is used to monitor falling hydraulic head during low flow sampling, pumping and other aquifer\/well tests. It also ensures a pump\u2019s intake remains submerged during purging or well development. A DrawDown Link Cable Assembly is available for connecting to a Model 410 Mk5 Peristaltic Pump, enabling automatic control of the pump based on water level (see the Model 410 Peristaltic Pump Data Sheet).The 101D Water Level DrawDown Meter uses a corrosion resistant stainless steel probe connected to clearly marked flat tape, fitted on a well-designed reel. It is powered by a standard 9 volt battery. In water level mode, when [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":221582,"parent":222521,"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":[410],"class_list":["post-221580","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>101D Water Level DrawDown Meter Operating Instructions<\/title>\n<meta name=\"description\" content=\"Ensure accurate drawdown data with official instructions for the Solinst 101D Water Level DrawDown Meter. 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