{"id":2536,"date":"2025-08-26T09:02:16","date_gmt":"2025-08-26T14:02:16","guid":{"rendered":"https:\/\/www.gas-sensing.com\/news\/?p=2536"},"modified":"2025-08-26T09:02:17","modified_gmt":"2025-08-26T14:02:17","slug":"cl-7687-dissolved-ozone-sensor-with-flowcell","status":"publish","type":"post","link":"https:\/\/www.gas-sensing.com\/news\/cl-7687-dissolved-ozone-sensor-with-flowcell\/","title":{"rendered":"CL-7687 Dissolved Ozone Sensor with Flowcell"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The <strong>CL-7687 Dissolved Ozone Monitor<\/strong> delivers accurate, consistent, and reliable ozone monitoring and control for aqueous ozone applications. Designed with a <strong>potentiostatic sensor<\/strong> and <strong>overflow flowcell<\/strong>, this system ensures precise ozone measurements across a wide concentration range, from <strong>ppb-level detection<\/strong> up to <strong>200 ppm<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">With integrated relays, analog output, and a clear display, the CL-7687 is ideal for water treatment, food processing, research, and other applications that require continuous ozone measurement and control.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Measurement Ranges<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The CL-7687 offers <strong>four user-selectable measurement ranges<\/strong>, adjustable via the front display panel:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>0\u2013200 ppb<\/strong> (1 ppb resolution)<\/li>\n\n\n\n<li><strong>0\u20132.00 ppm<\/strong> (0.01 ppm resolution)<\/li>\n\n\n\n<li><strong>0\u201320.0 ppm<\/strong> (0.1 ppm resolution)<\/li>\n\n\n\n<li><strong>0\u2013200 ppm<\/strong> (1 ppm resolution)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This flexibility allows the CL-7687 to adapt to applications ranging from ultra-low detection needs to high-concentration ozone water systems.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Potentiostatic Measurement Technology<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The CL-7687 uses the <strong>potentiostatic amperometric method<\/strong>, which maintains a constant electrode potential via two metal electrodes and a reference electrode. Unlike traditional amperometric sensors, this design provides:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Linear current-to-concentration relationship<\/strong><\/li>\n\n\n\n<li><strong>Stable zero readings<\/strong> with reduced drift<\/li>\n\n\n\n<li><strong>Reduced need for frequent recalibration<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Because the ozone present in water is consumed during measurement, a <strong>continuous flow of fresh water<\/strong> is required. The integrated <strong>flowcell<\/strong> ensures consistent water movement across the sensor for accurate, repeatable results.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Flowcell Design<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The included <strong>overflow-style flowcell<\/strong> regulates pressure and maintains stable conditions around the sensor. This guarantees accurate ozone readings regardless of changes in system water pressure.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Flow rate:<\/strong> 2.6\u20138 gallons per hour<\/li>\n\n\n\n<li><strong>Sample drain:<\/strong> Overflow design sends excess water to drain<\/li>\n\n\n\n<li><strong>Mounting flexibility:<\/strong> Sensor supplied with 10 ft (3 m) cable; water sample can be drawn up to 30 ft via \u00bc&#8221; OD Teflon tubing<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Additional Features<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Relays &amp; Outputs:<\/strong> Two user-configurable relays for process control and a 4\u201320 mA analog output scaled to your selected range<\/li>\n\n\n\n<li><strong>Optional Temperature Probe:<\/strong> Simultaneously display real-time water temperature alongside dissolved ozone readings<\/li>\n\n\n\n<li><strong>No Consumables:<\/strong> The potentiostatic sensor requires no replacement membranes or electrolyte solutions<\/li>\n\n\n\n<li><strong>Calibration:<\/strong> Performed onsite using a <strong>colorimetric dissolved ozone test kit<\/strong> for maximum accuracy in the actual process environment<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Calibration Notes<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Calibration frequency depends on water quality and ozone concentration:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Low-level ozone (&lt;1 ppm):<\/strong> Verify zero frequently (daily for poor water quality)<\/li>\n\n\n\n<li><strong>High-level ozone (>1 ppm):<\/strong> Monthly calibration often sufficient for clean water<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Recommended colorimetric calibration kits include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>I-2022 SAM Dissolved Ozone Meter<\/strong> \u2013 Best for low-level detection below 0.75 ppm<\/li>\n\n\n\n<li><strong>I-2019 SAM Dissolved Ozone Meter<\/strong> \u2013 Ideal for high-level detection up to 5.0 ppm<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Applications<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The CL-7687 Dissolved Ozone Sensor with Flowcell is suited for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Municipal and industrial water treatment<\/li>\n\n\n\n<li>Food and beverage processing<\/li>\n\n\n\n<li>Cooling towers<\/li>\n\n\n\n<li>Pharmaceutical and biotech facilities<\/li>\n\n\n\n<li>Aquaculture and research applications<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Why Choose the CL-7687?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">By combining advanced potentiostatic technology with a carefully engineered flowcell, the CL-7687 ensures <strong>accurate, stable, and long-term dissolved ozone measurements<\/strong>. With wide range flexibility, simple calibration, and robust integration options, it is a dependable solution for both critical process monitoring and regulatory compliance.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">You can find this product here: <a href=\"https:\/\/www.gas-sensing.com\/cl-7687.html\" data-type=\"link\" data-id=\"https:\/\/www.gas-sensing.com\/cl-7687.html\">https:\/\/www.gas-sensing.com\/cl-7687.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The CL-7687 Dissolved Ozone Monitor delivers accurate, consistent, and reliable ozone monitoring and control for aqueous ozone applications. Designed with a potentiostatic sensor and overflow [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":2537,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[22,25,34],"class_list":["post-2536","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-gas-monitoring","tag-gas-safety","tag-gas-sensing-product"],"_links":{"self":[{"href":"https:\/\/www.gas-sensing.com\/news\/wp-json\/wp\/v2\/posts\/2536","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gas-sensing.com\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gas-sensing.com\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gas-sensing.com\/news\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gas-sensing.com\/news\/wp-json\/wp\/v2\/comments?post=2536"}],"version-history":[{"count":1,"href":"https:\/\/www.gas-sensing.com\/news\/wp-json\/wp\/v2\/posts\/2536\/revisions"}],"predecessor-version":[{"id":2538,"href":"https:\/\/www.gas-sensing.com\/news\/wp-json\/wp\/v2\/posts\/2536\/revisions\/2538"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gas-sensing.com\/news\/wp-json\/wp\/v2\/media\/2537"}],"wp:attachment":[{"href":"https:\/\/www.gas-sensing.com\/news\/wp-json\/wp\/v2\/media?parent=2536"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gas-sensing.com\/news\/wp-json\/wp\/v2\/categories?post=2536"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gas-sensing.com\/news\/wp-json\/wp\/v2\/tags?post=2536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}