{"id":16566,"date":"2018-09-25T13:26:34","date_gmt":"2018-09-25T13:26:34","guid":{"rendered":"https:\/\/thomsongroup.com.au\/?post_type=product&#038;p=16566"},"modified":"2025-05-23T13:31:43","modified_gmt":"2025-05-23T03:31:43","slug":"osi-ofs-2000-optical-flow-sensor","status":"publish","type":"product","link":"https:\/\/thomsongroup.com.au\/product\/osi-ofs-2000-optical-flow-sensor\/","title":{"rendered":"OPTICAL SCIENTIFIC INC (OSI) &#8211; OFS 2000 Optical Flow Sensor"},"content":{"rendered":"<p><span data-measure=\"general\">The OFS-2000 has a range of 0-40m\/sec and is the only flow sensor that gives a true non-contracting cross-stack flow measurement of the process.<br \/>\nOSi&#8217;s patented Optical Flow Sensor (OFS) makes drift-free measurements across the entire stack, duct or pipe diameter and calculates an accurate average <\/span><span class=\"details\"><span data-measure=\"general\">flow reading.<\/span><\/span><\/p>\n<p><span class=\"details\"><span data-measure=\"general\">The OFS uses EPA Method 14 approved optical scintillation technology. The optical scintillation technique relies on advanced Digital Signal Processing (DSP) electronics to &#8220;see&#8221; and measure the movement of turbulence found in a gaseous flow stream to provide highly accurate, path-averaged air velocity measurements. The accuracy of the OFS has been proven both in NIST&#8217;s wind tunnel and in numerous real-world installations.<\/span><\/span><\/p>\n<h4>Advantages<\/h4>\n<ul>\n<li>System not sensitive to dirty optics \/ high opacity media<\/li>\n<li>System is non-intrusive to media flow &#8211;<\/li>\n<li>No flow media means high temperature limits.<\/li>\n<li>Measurement is true cross-stack line average<\/li>\n<li>Fully meets all EPA 40CFR Parts 60 &amp; 75<\/li>\n<li>Unaffected by temperature, pressure, humidity, density, path length<\/li>\n<li>Easy installation and optical alignment &#8211; once interconnect cable is run and ports are prepared, system can be connected, aligned and operating in less than 30 minutes<\/li>\n<li>DSP-based signal processing means no analog \u201cdrift\u201d.<\/li>\n<li>Includes built-in continuous self-test routines to warn of potential problems before the point of failure.<\/li>\n<li>Cross stack\/duct\/pipe line measurement for more accurate flow readings.<\/li>\n<li>Measurement path 90\u00ba to stack; second plat-form not required &#8211; save $100K or more<\/li>\n<li>Easily replaces existing ultrasonic sensors.<\/li>\n<li>Minimal upstream\/downstream diameters; typically 2 &amp; 1, not 20 &amp; 10 like others.<\/li>\n<li>Long-term reliability: no blowers or moving parts; operates unattended &#8211; 24\/ 7\/365.<\/li>\n<li>Ultra-low maintenance design.<\/li>\n<li>Rugged; designed for harsh environments.<\/li>\n<li>Built in continuous self-test diagnostics.<\/li>\n<li>Measurement unaffected by path length &amp; media pressure, moisture &amp; opacity.<\/li>\n<li>Wide versatility, NIST tested and unbeatable combination of advanced technology, high performance and proven reliability!<\/li>\n<\/ul>\n<h4>OFS-2000 Options<\/h4>\n<ul>\n<li>Order Z-Purge Option for Class I Div I\/II applications.<\/li>\n<li>Standard Control Unit is rack mount; for wall mount, order 1910-301, NEMA4 Option.<\/li>\n<li>For custom receiver cable length, order 1910-216-nnn where &#8220;nnn&#8221; is cable length in feet (max 300).<\/li>\n<\/ul>\n<h3>OFS-2000 Accessories<\/h3>\n<ul>\n<li>1910-431-nn Sight Glass with gaskets for media isolation (2 required, multiple models)<\/li>\n<li>For custom receiver cable length, order 1910-216-nnn where &#8220;nnn&#8221; is cable length in feet (max 300).<\/li>\n<li>Standard Control Unit is rack mount; for wall mount, order 1910-301, NEMA4 Option.<\/li>\n<\/ul>\n<p><a class=\"fasc-button fasc-size-xlarge fasc-type-glossy fasc-rounded-medium\" style=\"background-color: #1a4f7b; color: #ffffff;\" target=\"_blank\" rel=\"noopener\" href=\"https:\/\/thomsongroup.com.au\/wp-content\/uploads\/2025\/05\/OFS-Emissions-Stack-Brochure.pdf\">Download Brochure<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The OFS-2000 has a range of 0-40m\/sec and is the only flow sensor that gives a true non-contracting cross-stack flow measurement of the process. OSi&#8217;s patented Optical Flow Sensor (OFS) makes drift-free measurements across the entire stack, duct or pipe diameter and calculates an accurate average flow reading. The OFS uses EPA Method 14 approved [&hellip;]<\/p>\n","protected":false},"featured_media":16567,"template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"default","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":"","theme-transparent-header-meta":"default","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":""}}},"pwb-brand":[233,234],"product_brand":[],"product_cat":[200,205],"product_tag":[288],"class_list":{"0":"post-16566","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"pwb-brand-stack-process-cems","7":"pwb-brand-tunnels-roads-transport","8":"product_cat-flow-velocity","9":"product_cat-system-integration","10":"product_tag-flow","11":"yith_product_brand-osi","12":"desktop-align-left","13":"tablet-align-left","14":"mobile-align-left","16":"first","17":"instock","18":"shipping-taxable","19":"product-type-simple"},"acf":[],"brands":[{"id":233,"name":"Stack, Process &amp; CEMS","slug":"stack-process-cems"},{"id":234,"name":"Tunnel &amp; Roads Transport","slug":"tunnels-roads-transport"}],"_links":{"self":[{"href":"https:\/\/thomsongroup.com.au\/wp-json\/wp\/v2\/product\/16566","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thomsongroup.com.au\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/thomsongroup.com.au\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/thomsongroup.com.au\/wp-json\/wp\/v2\/media\/16567"}],"wp:attachment":[{"href":"https:\/\/thomsongroup.com.au\/wp-json\/wp\/v2\/media?parent=16566"}],"wp:term":[{"taxonomy":"pwb-brand","embeddable":true,"href":"https:\/\/thomsongroup.com.au\/wp-json\/wp\/v2\/pwb-brand?post=16566"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/thomsongroup.com.au\/wp-json\/wp\/v2\/product_brand?post=16566"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/thomsongroup.com.au\/wp-json\/wp\/v2\/product_cat?post=16566"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/thomsongroup.com.au\/wp-json\/wp\/v2\/product_tag?post=16566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}