{"id":6882,"date":"2026-11-02T08:51:07","date_gmt":"2026-11-02T14:51:07","guid":{"rendered":"https:\/\/www.oxidationtech.com\/blog\/?p=6882"},"modified":"2026-09-28T08:53:16","modified_gmt":"2026-09-28T13:53:16","slug":"used-q46-dissolved-ozone-monitor-with-flowcell","status":"publish","type":"post","link":"https:\/\/www.oxidationtech.com\/blog\/used-q46-dissolved-ozone-monitor-with-flowcell\/","title":{"rendered":"Used Q46 Dissolved Ozone Monitor with Flowcell"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Accurate dissolved ozone measurement is essential in water treatment, ozone disinfection, and industrial processes where ozone levels need to be monitored and controlled. A <a href=\"https:\/\/www.oxidationtech.com\/q46-flowcell-used.html\">used <strong>Q46 Dissolved Ozone Monitor with Flowcell<\/strong><\/a> provides a practical, cost-effective solution for continuous ozone monitoring in water.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Q46 supports multiple measurement ranges, from <strong>0\u2013200 ppb to 0\u2013200 ppm<\/strong>, with resolution as low as <strong>1 ppb<\/strong> on the lowest range. The system combines a membrane-covered polarographic ozone sensor with a constant-head flowcell designed to provide controlled and consistent sample flow.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">Key Features<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>0\u2013200 ppb to 0\u2013200 ppm<\/strong> measurement ranges<\/li>\n\n\n\n<li>Resolution down to <strong>1 ppb<\/strong><\/li>\n\n\n\n<li>Membrane-covered polarographic ozone sensor<\/li>\n\n\n\n<li>Constant-head flowcell<\/li>\n\n\n\n<li>Two isolated <strong>4\u201320 mA outputs<\/strong><\/li>\n\n\n\n<li>Three adjustable relay outputs<\/li>\n\n\n\n<li>Integrated PID control<\/li>\n\n\n\n<li>Backlit LCD display<\/li>\n\n\n\n<li>NEMA 4X \/ IP66 enclosure<\/li>\n\n\n\n<li>Wall or pipe mounting<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-image is-resized\"><a href=\"https:\/\/www.oxidationtech.com\/q46-flowcell-used.html\"><img decoding=\"async\" src=\"https:\/\/www.gas-sensing.com\/media\/catalog\/product\/cache\/74c1057f7991b4edb2bc7bdaa94de933\/q\/4\/q46_with_flowcell_1_2_1.png\" alt=\"Q46H\/64 Dissolved ozone meter with constant head flowcell\" style=\"aspect-ratio:1;width:312px;height:auto\" title=\"Q46H\/64 Dissolved ozone meter with constant head flowcell\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The Q46 can be used for <strong>water and wastewater treatment, ozone disinfection, industrial water systems, ozone generation, and research applications<\/strong>. Its analog outputs and relay controls also allow integration with larger monitoring and process-control systems.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why Consider Used Equipment?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A used Q46 can be an economical alternative to new monitoring equipment for facilities replacing an existing system, expanding monitoring capabilities, or setting up an ozone treatment process.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When purchasing used equipment, it is important to verify the <strong>instrument&#8217;s condition, sensor status, calibration requirements, and included components<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Conclusion<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The<a href=\"https:\/\/www.oxidationtech.com\/q46-flowcell-used.html\"> <strong>Q46 Dissolved Ozone Monitor with Flowcel<\/strong><\/a><strong>l<\/strong> combines flexible measurement ranges, continuous monitoring, and process-control capabilities in a compact system. For applications requiring reliable dissolved ozone measurement, a properly inspected and maintained used Q46 can be a practical and cost-effective option.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Accurate dissolved ozone measurement is essential in water treatment, ozone disinfection, and industrial processes where ozone levels need to be monitored and controlled. A used [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":1762,"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":"disabled","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":[1752,1244,1624],"tags":[297,259,1987,284,187,73,1340,1951],"class_list":["post-6882","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dissolved-ozone","category-ozone-monitor","category-water-applications","tag-dissolved-ozone","tag-dissolved-ozone-monitor","tag-flowcell","tag-oxidation-technologies","tag-ozone","tag-ozone-monitor","tag-q46","tag-used-equipment"],"_links":{"self":[{"href":"https:\/\/www.oxidationtech.com\/blog\/wp-json\/wp\/v2\/posts\/6882","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oxidationtech.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oxidationtech.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oxidationtech.com\/blog\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oxidationtech.com\/blog\/wp-json\/wp\/v2\/comments?post=6882"}],"version-history":[{"count":1,"href":"https:\/\/www.oxidationtech.com\/blog\/wp-json\/wp\/v2\/posts\/6882\/revisions"}],"predecessor-version":[{"id":6883,"href":"https:\/\/www.oxidationtech.com\/blog\/wp-json\/wp\/v2\/posts\/6882\/revisions\/6883"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oxidationtech.com\/blog\/wp-json\/wp\/v2\/media\/1762"}],"wp:attachment":[{"href":"https:\/\/www.oxidationtech.com\/blog\/wp-json\/wp\/v2\/media?parent=6882"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oxidationtech.com\/blog\/wp-json\/wp\/v2\/categories?post=6882"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oxidationtech.com\/blog\/wp-json\/wp\/v2\/tags?post=6882"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}