{"id":17258,"date":"2018-11-21T17:25:34","date_gmt":"2018-11-21T06:25:34","guid":{"rendered":"https:\/\/thomsongroup.com.au\/?post_type=product&#038;p=17258"},"modified":"2025-05-29T16:27:22","modified_gmt":"2025-05-29T06:27:22","slug":"durag-d-r-290-optical-opacity-dust-monitor","status":"publish","type":"product","link":"https:\/\/thomsongroup.com.au\/product\/durag-d-r-290-optical-opacity-dust-monitor\/","title":{"rendered":"Durag D-R 290 Optical opacity-dust monitor"},"content":{"rendered":"<p>The DURAG D-R 290 has been used successfully for more than 15 years in various applications as reliable and low maintenance opacity \/ dust monitor. Now in its 2nd generation, the D-R 290 is a certified optical transmission monitor to measure the opacity or dust concentration of flue gases with medium to high dust concentrations.<\/p>\n<p>The D-R 290 uses the double-pass method according to the auto-collimation principle. The light beam traverses the measuring path twice. The attenuation of the light beam by the dust content in the measuring section is measured and evaluated.<\/p>\n<h2>Key Benefits<\/h2>\n<ul>\n<li>Continuous and contact-less measurement<\/li>\n<li>Automatic zero and span check<\/li>\n<li>Automatic measurement and correction of contamination of optical surfaces<\/li>\n<li>Extremely powerful and stable super-wide band diode (SWBD) light source<\/li>\n<li>Extremely low-maintenance<\/li>\n<li>Fail-safe shutters with purge air monitoring as option<\/li>\n<li>Certified according to EN 15267-3<\/li>\n<li>Compliant with US EPA 40 CFR 60 PS1 and ASTM 6216<\/li>\n<\/ul>\n<h3>Advantages of the new generation<\/h3>\n<ul>\n<li>Digital Modbus interface according to VDI 4201-3<\/li>\n<li>Convenient operation with remote access option<\/li>\n<li>All settings can be changed without opening the device<\/li>\n<li>Compatible with universal display and control unit D-ISC 100<\/li>\n<\/ul>\n<h2>Applications<\/h2>\n<h3>Suitable for dust concentration measurement<\/h3>\n<ul>\n<li>on incineration plants<\/li>\n<li>on power plants<\/li>\n<li>on cement plants<\/li>\n<li>in the metal industry<\/li>\n<li>on plants according to IED 2010\/75\/EC<\/li>\n<li>on converter plants and asphalt mixing plants<\/li>\n<li>on plants for the incineration of biomass<\/li>\n<\/ul>\n<h3>Suitable for measuring the opacity of flue gas<\/h3>\n<ul>\n<li>on plants in accordance with U.S. EPA 40 CFR 60 PS1, special MCOC required<\/li>\n<li>on cruise and container ships.<\/li>\n<\/ul>\n<h3>Suitable for measurement of dust load in warehouses<\/h3>\n<p>&nbsp;<\/p>\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\/d-r290_en_view.pdf\">Download Specifications<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The DURAG D-R 290 has been used successfully for more than 15 years in various applications as reliable and low maintenance opacity \/ dust monitor. Now in its 2nd generation, the D-R 290 is a certified optical transmission monitor to measure the opacity or dust concentration of flue gases with medium to high dust concentrations. [&hellip;]<\/p>\n","protected":false},"featured_media":20860,"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],"product_brand":[],"product_cat":[199,202],"product_tag":[284],"class_list":{"0":"post-17258","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"pwb-brand-stack-process-cems","7":"product_cat-dust-particulate","8":"product_cat-manual-automatic-stack-testing-equipment","9":"product_tag-opacity","10":"yith_product_brand-aqms","11":"yith_product_brand-durag","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"}],"_links":{"self":[{"href":"https:\/\/thomsongroup.com.au\/wp-json\/wp\/v2\/product\/17258","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\/20860"}],"wp:attachment":[{"href":"https:\/\/thomsongroup.com.au\/wp-json\/wp\/v2\/media?parent=17258"}],"wp:term":[{"taxonomy":"pwb-brand","embeddable":true,"href":"https:\/\/thomsongroup.com.au\/wp-json\/wp\/v2\/pwb-brand?post=17258"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/thomsongroup.com.au\/wp-json\/wp\/v2\/product_brand?post=17258"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/thomsongroup.com.au\/wp-json\/wp\/v2\/product_cat?post=17258"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/thomsongroup.com.au\/wp-json\/wp\/v2\/product_tag?post=17258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}