{"id":260246,"date":"2026-06-22T20:39:48","date_gmt":"2026-06-22T20:39:48","guid":{"rendered":"https:\/\/www.solinst.com\/products\/level-measurement-devices\/122-interface-meters\/"},"modified":"2026-06-23T21:29:08","modified_gmt":"2026-06-23T21:29:08","slug":"122-interface-meters","status":"publish","type":"page","link":"https:\/\/www.solinst.com\/en-gb\/products\/level-measurement-devices\/122-interface-meters\/","title":{"rendered":"122 Interface Meters"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; fullwidth=&#8221;on&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_fullwidth_image src=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2026\/06\/122-oil-water-interface-meter-1920&#215;500-1.webp&#8221; alt=&#8221;solinst model 122 oil-water interface meters&#8221; title_text=&#8221;Solinst Model 122 Oil-Water Interface Meters&#8221; src_tablet=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2026\/06\/122-oil-water-interface-meter-965&#215;500-1.webp&#8221; 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global_colors_info=&#8221;{}&#8221;][\/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; admin_label=&#8221;Mobile-Only Nav with Offset&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;4759a92f-4b27-4854-bb2c-299854634e93&#8243; sticky_offset_top=&#8221;127px&#8221; global_module=&#8221;260475&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; width=&#8221;90%&#8221; custom_margin=&#8221;0px||||false|false&#8221; custom_padding=&#8221;0px||||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_code admin_label=&#8221;122 Mobile Nav &#8211; Select Dropdown&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;0px||||false|false&#8221; custom_padding=&#8221;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=\"\">122 Interface Meter Menu<\/option><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/instruments\/level-measurement-devices\/122-interface-meter\/\">122 Interface 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\/122-interface-meter\/get-quote.php\">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\/products\/level-measurement-devices\/122-interface-meter\/datasheet\/\">Interface Meter Datasheet<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/level-measurement-devices\/122-interface-meter\/122m-mini-interface-meter-datasheet\/laser-marked-pvdf-cable-mini-interface-meter.php\">Mini Interface Meter Datasheet<\/option><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/level-measurement-devices\/122-interface-meter\/operating-instructions\/\">Instructions<\/option><!-- [et_pb_line_break_holder] -->\t<!-- [et_pb_line_break_holder] --><option value=\"https:\/\/www.solinst.com\/products\/level-measurement-devices\/122-interface-meter\/product-tour\/\">Product Tour<\/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<!-- [et_pb_line_break_holder] -->\u2013 Tape &#038; 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;560&#8243; admin_label=&#8221;122 Interface Meter Main Nav&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;242faa89-ac4f-4e46-90fe-505e8c1eab79&#8243; global_module=&#8221;260378&#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;4.27.6&#8243; _module_preset=&#8221;default&#8221; display_conditions=&#8221;W10=&#8221; link_option_url=&#8221;https:\/\/www.solinst.com\/instruments\/dataloggers-and-telemetry-systems\/3001-levelogger\/?utm_source=solinst&#038;utm_medium=WC-global-sidebar-position1&#038;utm_campaign=3001&#8243; global_module=&#8221;53188&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_slide button_text=&#8221;Levelogger&#8221; button_link=&#8221;https:\/\/www.solinst.com\/en-gb\/products\/data-loggers-and-telemetry-systems\/3001-levelogger\/?utm_source=solinst&amp;utm_medium=WC-global-sidebar-position1&amp;utm_campaign=3001&#8243; use_bg_overlay=&#8221;on&#8221; bg_overlay_color=&#8221;rgba(224,97,0,0.58)&#8221; button_text_tablet=&#8221;&#8221; button_text_phone=&#8221;&#8221; button_text_last_edited=&#8221;on|desktop&#8221; content_tablet=&#8221;&#8221; content_phone=&#8221;&#8221; content_last_edited=&#8221;on|desktop&#8221; _builder_version=&#8221;4.27.6&#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\/2025\/01\/3001-absolute-water-level-datalogging.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_color=&#8221;#ffffff&#8221; button_border_radius=&#8221;20px&#8221; button_font=&#8221;|600|||||||&#8221; background_last_edited=&#8221;on|desktop&#8221; global_colors_info=&#8221;{}&#8221; button_border_width__hover_enabled=&#8221;on|hover&#8221; button_border_width__hover=&#8221;2px&#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>Accurate Water Level Data<\/h2>\n<p><b>Reliable Instruments that Last<\/b><\/p>\n<p>[\/et_pb_slide][\/et_pb_slider][et_pb_slider disabled_on=&#8221;on|on|on&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; link_option_url=&#8221;https:\/\/www.solinst.com\/careers\/?utm_source=solinst&#038;utm_medium=WC-global-sidebar-position2&#038;utm_campaign=SUK-regional-sales-manager&#8221; disabled=&#8221;on&#8221; global_module=&#8221;53561&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_slide heading=&#8221;Solinst UK Is Hiring!&#8221; button_text=&#8221;Regional Sales Manager&#8221; button_link=&#8221;https:\/\/www.solinst.com\/careers\/?utm_source=solinst&amp;utm_medium=WC-global-sidebar-position2&amp;utm_campaign=SUK-regional-sales-manager&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; header_text_color=&#8221;#000000&#8243; header_font_size=&#8221;38px&#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\/2026\/04\/solinst-uk-ltd.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_color=&#8221;#ffffff&#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;preset5&#8243; global_colors_info=&#8221;{}&#8221; sticky_transition=&#8221;on&#8221;]<\/p>\n<p>&nbsp;<\/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_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 column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.27.6&#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_text admin_label=&#8221;research article&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2 data-uw-rm-heading=\"prs\">Laser Marked Flat Tape Interface Meter<\/h2>\n<ul>\n<li>Durable and easy to decontaminate<\/li>\n<li>Narrow 16 mm (5\/8&#8243;) diameter probe<\/li>\n<li>Sturdy free-standing reel with carrying handle<\/li>\n<li>Accurately laser marked each mm or every 1\/100 ft<\/li>\n<li>Lengths to 300 m or 1000 ft<\/li>\n<li>Markings certified traceable to national standards<\/li>\n<li>CSA certified intrinsically safe for hazardous locations<\/li>\n<li>CE Standards &#038; ATEX certified<\/li>\n<\/ul>\n<p>[\/et_pb_text][et_pb_text admin_label=&#8221;research article&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p class=\"p2\"><a href=\"https:\/\/www.solinst.com\/en-gb\/products\/level-measurement-devices\/solinst-water-level-meters\/101-water-level-meters\/\" data-uw-rm-brl=\"PR\" data-uw-original-href=\"datasheet\/\">Solinst Model 122 Interface Meters<\/a><span>  are easy-to-use and give reliable, accurate measurements of the depth and thickness of product layers in wells and tanks. A steady tone and light indicate LNAPL or DNAPL. Intermittent signals indicate water. Solinst laser marked flat-tape is available in lengths up to 300 m or 1000 ft. The Flat Tape is durable and easy to decontaminate.    <\/span><\/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; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2026\/06\/122-oil-water-interface-meters-facing-left.webp&#8221; alt=&#8221;solinst model 122 oil-water interface meter for accurately measuring product level and thickness in wells and tanks&#8221; title_text=&#8221;Solinst Model 122 Oil-Water Interface Meter for Accurately Measuring Product Level and Thickness in Wells and Tanks&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.6&#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&#8221; button_text=&#8221;Get Quote&#8221; admin_label=&#8221;101 &#8211; Get Quote Button&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;c9e00792-1360-4998-8cf9-5f6772c944ba&#8221; button_border_width_tablet=&#8221;&#8221; button_border_width_phone=&#8221;&#8221; button_border_width_last_edited=&#8221;on|desktop&#8221; global_module=&#8221;237567&#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 _builder_version=&#8221;4.27.6&#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;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td width=\"25%\"><img decoding=\"async\" src=\"https:\/\/www.solinst.com\/products\/level-measurement-devices\/122-interface-meter\/images\/122-side.png\" srcset=\"\/products\/level-measurement-devices\/122-interface-meter\/images\/122-side-2x.png 2x\" width=\"100\" alt=\"122 interface meter side\" class=\"center-image\" data-uw-rm-alt=\"ALT\"><\/td>\n<td width=\"25%\"><img decoding=\"async\" src=\"https:\/\/www.solinst.com\/products\/level-measurement-devices\/122-interface-meter\/images\/122-back.png\" srcset=\"\/products\/level-measurement-devices\/122-interface-meter\/images\/122-back-2x.png 2x\" width=\"100\" alt=\"122 interface meter back\" class=\"center-image\" data-uw-rm-alt=\"ALT\"><\/td>\n<td width=\"25%\"><img decoding=\"async\" src=\"https:\/\/www.solinst.com\/products\/level-measurement-devices\/122-interface-meter\/images\/122-probe-horizontal.png\" srcset=\"\/products\/level-measurement-devices\/122-interface-meter\/images\/122-probe-horizontal-2x.png 2x\" width=\"100\" alt=\"122 interface meter probe\" class=\"center-image\" data-uw-rm-alt=\"ALT\"><\/td>\n<td width=\"25%\"><img decoding=\"async\" src=\"https:\/\/www.solinst.com\/products\/level-measurement-devices\/122-interface-meter\/images\/122-probe-vertical.png\" srcset=\"\/products\/level-measurement-devices\/122-interface-meter\/images\/122-probe-vertical-2x.png 2x\" width=\"100\" alt=\"122 interface meter probe tip\" class=\"center-image\" data-uw-rm-alt=\"ALT\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\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;4.27.6&#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_image src=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2026\/06\/122m-mini-oil-water-interface-meters.webp&#8221; alt=&#8221;solinst model 122m mini oil-water interface meters&#8221; title_text=&#8221;Solinst Model 122M Mini Oil-Water Interface Meters&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.6&#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; global_colors_info=&#8221;{}&#8221;][et_pb_text admin_label=&#8221;research article&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p class=\"p1\"><strong><a href=\"https:\/\/www.solinst.com\/products\/level-measurement-devices\/122-interface-meter\/122m-mini-interface-meter-datasheet\/laser-marked-pvdf-cable-mini-interface-meter.php\" data-uw-rm-brl=\"PR\" data-uw-original-href=\"\/products\/level-measurement-devices\/122-interface-meter\/122m-mini-interface-meter-datasheet\/laser-marked-pvdf-cable-mini-interface-meter.php\">The Mini 122 Interface Meter<\/a><\/strong><span><strong> <\/strong>holds 25 m or 80 ft of laser marked cable on a convenient small reel. It offers long battery life with only one standard 9V battery, giving 300 hours or more of normal use before the battery needs changing. <\/span><\/p>\n<p>[\/et_pb_text][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.27.6&#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;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_video src=&#8221;https:\/\/youtu.be\/di_XVqf8JPE?si=hYLIl1ved9sZb1lb&#038;t=595&#8243; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_video][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.27.6&#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_text _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h2><a href=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/425-discrete-interval-sampler\/\" title=\"Discrete Interval Samplers\" data-uw-rm-brl=\"PR\" data-uw-original-href=\"..\/..\/groundwater-samplers\/425-discrete-interval-sampler\/\">Discrete Interval Samplers<\/a><\/h2>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2026\/06\/425-discrete-interval-sampler.jpg&#8221; alt=&#8221;solinst model 425 discrete interval sampler&#8221; title_text=&#8221;Solinst Model 425 Discrete Interval Sampler&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; show_bottom_space=&#8221;off&#8221; sticky_enabled=&#8221;0&#8243;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<ul>\n<li>No purge (passive) sampling<\/li>\n<li>Sample from specific depths<\/li>\n<li>Obtain representative samples from below oil layers<\/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;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h2>Enhance Bioremediation<\/h2>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/www.solinst.com\/wp-content\/uploads\/2026\/06\/enhanced-bioremediation.jpg&#8221; alt=&#8221;enhanced biodegradation using waterloo emitters&#8221; title_text=&#8221;Enhanced Biodegradation using Waterloo Emitters&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243; show_bottom_space=&#8221;off&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>With the aid of 14 <a href=\"https:\/\/www.solinst.com\/products\/enhanced-biodegradation\/703-waterloo-emitters\/\" title=\"Waterloo Emitter\" data-uw-rm-brl=\"PR\" data-uw-original-href=\"..\/..\/enhanced-biodegradation\/703-waterloo-emitters\/\">Waterloo Emitters<\/a>, the site of a former petrol station was remediated within 6 months of their installation. The Emitters diffused oxygen into the groundwater, to enhance aerobic bioremediation of BTEX and petroleum hydrocarbons. <\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243; locked=&#8221;off&#8221;]<\/p>\n<h2>Double Valve Pumps<\/h2>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243; locked=&#8221;off&#8221;]<a href=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/408-double-valve-pumps\/\" data-uw-rm-brl=\"PR\" data-uw-original-href=\"\/products\/groundwater-samplers\/408-double-valve-pumps\/\"><img decoding=\"async\" src=\"https:\/\/www.solinst.com\/products\/level-measurement-devices\/122-interface-meter\/images\/408-thumb-1x.jpg\" alt=\"solinst double valve pumps groundwater sampling\" width=\"250\" title=\"Solinst Double Valve Pumps Groundwater Sampling\" srcset=\"\/products\/level-measurement-devices\/122-interface-meter\/images\/408-thumb-2x.jpg 2x\" data-uw-rm-alt=\"ALT\" style=\"display: block; margin-left: auto; margin-right: auto;\"><\/a><\/p>\n<p><a href=\"https:\/\/www.solinst.com\/products\/groundwater-samplers\/408-double-valve-pumps\/\" title=\"Solinst Double Valve Pumps\" data-uw-rm-brl=\"PR\" data-uw-original-href=\"\/products\/groundwater-samplers\/408-double-valve-pumps\/\">Double Valve Pumps<\/a> are positive displacement gas drive pumps that provide high and low flow groundwater sampling, without the use of a bladder. Representative groundwater samples are produced, ideal when sampling for VOCs and PFAS. <\/p>\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_heading title=&#8221;Related Products&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; title_level=&#8221;h2&#8243; title_font=&#8221;|700|||||||&#8221; title_font_size=&#8221;22px&#8221; global_colors_info=&#8221;{}&#8221;][\/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_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;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<!-- SiteCatalyst code version: H.21. 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All Rights Reserved More info available at http:\/\/www.omniture.com --><!-- [et_pb_line_break_holder] --><script language=\"JavaScript\" type=\"text\/javascript\" src=\"\/\/www.solinst.com\/s_code.js\"><\/script><!-- [et_pb_line_break_holder] --><script language=\"JavaScript\" type=\"text\/javascript\"><!--<!-- [et_pb_line_break_holder] -->s.pageName=\"122 home\"<!-- [et_pb_line_break_holder] -->s.server=\"\"<!-- [et_pb_line_break_holder] -->s.channel=\"products\"<!-- [et_pb_line_break_holder] -->s.pageType=\"\"<!-- [et_pb_line_break_holder] -->s.prop1=\"level measurement devices\"<!-- [et_pb_line_break_holder] -->s.prop2=\"122 interface meter\"<!-- [et_pb_line_break_holder] -->s.prop3=\"122 home\"<!-- [et_pb_line_break_holder] -->s.prop4=\"\"<!-- [et_pb_line_break_holder] -->s.prop5=\"\"<!-- [et_pb_line_break_holder] -->s.prop6=\"\"<!-- [et_pb_line_break_holder] -->s.prop7=\"\"<!-- [et_pb_line_break_holder] -->s.prop8=\"\"<!-- [et_pb_line_break_holder] -->s.prop9=\"\"<!-- [et_pb_line_break_holder] -->s.prop10=\"\"<!-- [et_pb_line_break_holder] -->s.prop11=\"\"<!-- [et_pb_line_break_holder] -->s.prop12=\"\"<!-- [et_pb_line_break_holder] -->s.prop13=\"\"<!-- [et_pb_line_break_holder] -->s.prop14=\"\"<!-- [et_pb_line_break_holder] -->s.prop15=\"\"<!-- [et_pb_line_break_holder] -->s.prop16=\"\"<!-- [et_pb_line_break_holder] -->s.prop17=\"\"<!-- [et_pb_line_break_holder] -->s.prop18=\"\"<!-- [et_pb_line_break_holder] -->s.prop19=\"\"<!-- [et_pb_line_break_holder] -->s.prop20=\"\"<!-- [et_pb_line_break_holder] -->s.prop21=\"\"<!-- [et_pb_line_break_holder] -->s.prop22=\"\"<!-- [et_pb_line_break_holder] -->s.prop23=\"\"<!-- [et_pb_line_break_holder] -->s.prop24=\"\"<!-- [et_pb_line_break_holder] -->s.prop25=\"\"<!-- [et_pb_line_break_holder] -->s.prop26=\"\"<!-- [et_pb_line_break_holder] -->s.prop27=\"\"<!-- [et_pb_line_break_holder] -->s.prop28=\"\"<!-- [et_pb_line_break_holder] -->s.prop29=\"\"<!-- [et_pb_line_break_holder] -->s.prop30=\"\"<!-- [et_pb_line_break_holder] -->s.prop31=\"\"<!-- [et_pb_line_break_holder] -->s.prop32=\"\"<!-- [et_pb_line_break_holder] -->s.prop33=\"\"<!-- [et_pb_line_break_holder] -->s.hier1=\"solinst:products:level measurement devices:122 interface meter:122 home\"<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->\/* Conversion Variables *\/<!-- [et_pb_line_break_holder] -->s.campaign=\"\"<!-- [et_pb_line_break_holder] -->s.events=\"\"<!-- [et_pb_line_break_holder] -->s.eVar1=\"\"<!-- [et_pb_line_break_holder] -->s.eVar2=\"\"<!-- [et_pb_line_break_holder] -->s.eVar3=\"\"<!-- [et_pb_line_break_holder] -->s.eVar4=\"\"<!-- [et_pb_line_break_holder] -->s.eVar5=\"\"<!-- [et_pb_line_break_holder] -->s.eVar6=\"\"<!-- [et_pb_line_break_holder] -->s.eVar7=\"\"<!-- [et_pb_line_break_holder] -->s.eVar8=\"\"<!-- [et_pb_line_break_holder] -->s.eVar9=\"\"<!-- [et_pb_line_break_holder] -->s.eVar10=\"\"<!-- [et_pb_line_break_holder] -->s.eVar11=\"\"<!-- [et_pb_line_break_holder] -->s.eVar12=\"\"<!-- [et_pb_line_break_holder] -->s.eVar13=\"\"<!-- [et_pb_line_break_holder] -->s.eVar14=\"\"<!-- [et_pb_line_break_holder] -->s.eVar15=\"\"<!-- [et_pb_line_break_holder] -->s.eVar16=\"\"<!-- [et_pb_line_break_holder] -->s.eVar17=\"\"<!-- [et_pb_line_break_holder] -->s.state=\"\"<!-- [et_pb_line_break_holder] -->s.zip=\"\"<!-- [et_pb_line_break_holder] -->\/************* DO NOT ALTER ANYTHING BELOW THIS LINE ! **************\/<!-- [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><!-- [et_pb_line_break_holder] --><noscript><!-- [et_pb_line_break_holder] -->  <a href=\"https:\/\/www.omniture.com\" title=\"Web Analytics\"><!-- [et_pb_line_break_holder] -->    <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=\"\"><!-- [et_pb_line_break_holder] -->  <\/a><!-- [et_pb_line_break_holder] --><\/noscript><!-- [et_pb_line_break_holder] --><!--\/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><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\/en-gb\/\" 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; Accurate Water Level Data Reliable Instruments that Last&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Laser Marked Flat Tape Interface Meter Durable and easy to decontaminate Narrow 16 mm (5\/8&#8243;) diameter probe Sturdy free-standing reel with carrying handle Accurately laser marked each mm or every 1\/100 ft Lengths to 300 m or 1000 ft Markings certified traceable to national standards CSA certified intrinsically safe for hazardous locations CE Standards &#038; ATEX certified Solinst Model 122 Interface Meters are easy-to-use and give reliable, accurate measurements of the depth and thickness of product layers in wells and tanks. A steady tone and light indicate LNAPL or DNAPL. Intermittent signals indicate water. Solinst laser marked flat-tape is available in lengths up to 300 m or 1000 ft. The Flat Tape is durable and easy to decontaminate. The Mini 122 Interface Meter holds 25 m or 80 ft of laser marked cable on a convenient small reel. It offers long battery life with only one standard 9V battery, giving 300 hours or more of normal use before the battery needs changing. Discrete Interval Samplers No purge (passive) sampling Sample from specific depths Obtain representative samples from below oil layers Enhance BioremediationWith [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":221792,"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":[83],"class_list":["post-260246","page","type-page","status-publish","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>Interface Meters, Interface Probes, Hydrocarbon Detection, Oil-Water Interface Meters, Oil-Water Interface Probes<\/title>\n<meta name=\"description\" content=\"Solinst oil-water interface meters use narrow 5\/8&quot; dia. interface probes for hydrocarbon detection, LNAPL and DNAPL.\" \/>\n<meta name=\"robots\" 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