{"id":12544,"date":"2026-10-23T16:24:52","date_gmt":"2026-10-23T14:24:52","guid":{"rendered":"https:\/\/www.yokogawa.com\/eu\/blog\/chemical-pharma\/?p=12544"},"modified":"2026-10-23T16:27:56","modified_gmt":"2026-10-23T14:27:56","slug":"the-fastest-path-to-accurate-gas-measurement-in-harsh-industrial-environments","status":"publish","type":"post","link":"https:\/\/www.yokogawa.com\/eu\/blog\/chemical-pharma\/en\/the-fastest-path-to-accurate-gas-measurement-in-harsh-industrial-environments\/","title":{"rendered":"The Fastest Path to Accurate Gas Measurement in Harsh Industrial Environments"},"content":{"rendered":"\n<div class=\"wp-block-uagb-advanced-heading uagb-block-94bbea20\"><h2 class=\"uagb-heading-text\"><strong>Why Traditional Gas Measurement Is No Longer Enough<\/strong><br><\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Industrial operators face increasing pressure to improve efficiency, reduce emissions, and maintain safe operations. Yet many gas measurement systems still rely on extractive sampling methods that introduce delays, require significant maintenance, and can struggle in challenging process conditions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">High temperatures, dust, corrosive gases, moisture, and pressure fluctuations often affect measurement reliability, leading to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Delayed process adjustments<\/li>\n\n\n\n<li>Higher fuel consumption<\/li>\n\n\n\n<li>Increased emissions<\/li>\n\n\n\n<li>Unplanned maintenance<\/li>\n\n\n\n<li>Reduced plant availability<\/li>\n\n\n\n<li>Safety risks<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">To overcome these challenges, many operators are turning to <strong>Tunable Diode Laser Spectroscopy (TDLS)<\/strong> technology.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">TDLS enables direct, real-time gas measurement inside the process, delivering fast and accurate data without the need for complex sample conditioning systems. <\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-94a11730\"><h2 class=\"uagb-heading-text\"><strong>What Is TDLS?<\/strong><\/h2><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"537\" height=\"400\" src=\"https:\/\/www.yokogawa.com\/eu\/blog\/app\/uploads\/sites\/8\/2026\/10\/TDLS.jpg\" alt=\"\" class=\"wp-image-12551\" srcset=\"https:\/\/www.yokogawa.com\/eu\/blog\/app\/uploads\/sites\/8\/2026\/10\/TDLS.jpg 537w, https:\/\/www.yokogawa.com\/eu\/blog\/app\/uploads\/sites\/8\/2026\/10\/TDLS-300x223.jpg 300w\" sizes=\"(max-width: 537px) 100vw, 537px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">TDLS (Tunable Diode Laser Spectroscopy) is a laser-based gas measurement technology that determines gas concentrations by analyzing how a specific gas absorbs light at a unique wavelength.<br>Because each gas molecule absorbs light differently, TDLS delivers highly selective measurements with minimal interference from other gases.<br>Unlike traditional analyzers, TDLS measures directly in the process stream and does not require direct sensor contact with the process gas.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-600558b0\"><h2 class=\"uagb-heading-text\">Key advantages include:<br><\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u2705 Real-time measurements<br>\u2705 Fast response times<br>\u2705 No sample conditioning systems<br>\u2705 Low maintenance requirements<br>\u2705 High reliability in harsh conditions<br>\u2705 Accurate measurements even in dusty or corrosive environments<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-95756a08\"><h2 class=\"uagb-heading-text\"><strong>When Is TDLS the Best Solution?<\/strong><br><\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">While many analyzer technologies have their place, there are several applications where TDLS clearly offers significant advantages.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-7a557af8\"><h2 class=\"uagb-heading-text\"><strong>1. Combustion Optimization in Fired Heaters and Furnaces<\/strong><br><\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Challenge<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Refineries, petrochemical plants, and power stations depend on efficient combustion to maximize throughput while minimizing fuel consumption and emissions.<br>Traditional extractive analyzers often measure gases after significant delays and require extensive maintenance.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-39ef00f9\"><h2 class=\"uagb-heading-text\"><strong>Why TDLS Is Better<\/strong><br><\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">TDLS can measure oxygen (O\u2082), carbon monoxide (CO), and methane (CH\u2084) directly in the combustion zone with response times of only a few seconds.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Operators can immediately optimize air-fuel ratios, leading to:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Reduced fuel usage<br>Lower CO and NOx emissions<br>Improved energy efficiency<br>Increased process safety<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Example<\/strong><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A refinery operating multiple fired heaters can install a TDLS analyzer near the radiant section of the furnace to continuously monitor O\u2082 and CO levels and adjust combustion conditions in real time.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-52ced9df\"><h2 class=\"uagb-heading-text\"><strong>2. Burner Failure Detection<\/strong><br><\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Challenge<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Burner failures in furnaces or boilers can result in unstable combustion, energy losses, and potentially hazardous conditions.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-cf7dfadd\"><h2 class=\"uagb-heading-text\"><strong>Why TDLS Is Better<\/strong><br><\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">TDLS can detect:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>&#8211; Methane (CH\u2084)<\/li>\n\n\n\n<li>&#8211; Carbon monoxide (CO)<\/li>\n\n\n\n<li>&#8211; Oxygen (O\u2082)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">almost instantly, allowing operators to identify abnormal combustion conditions before they escalate.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Example<\/strong><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A power plant can use TDLS methane measurement to immediately identify burner flame-out situations and take corrective action.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-5be96825\"><h2 class=\"uagb-heading-text\"><strong>3. Ammonia Slip Monitoring in SCR Systems<\/strong><br><\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Challenge<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Selective Catalytic Reduction (SCR) systems are widely used to reduce NOx emissions. However, overdosing ammonia creates &#8220;ammonia slip,&#8221; resulting in environmental compliance issues and catalyst damage.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-2c8bf37c\"><h2 class=\"uagb-heading-text\"><strong>Why TDLS Is Better<\/strong><br><\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">TDLS provides highly selective NH\u2083 measurement with fast response times, enabling optimized ammonia injection.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Benefits include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>&#8211; Reduced ammonia consumption<\/li>\n\n\n\n<li>&#8211; Improved emissions compliance<\/li>\n\n\n\n<li>&#8211; Extended catalyst lifetime<\/li>\n\n\n\n<li>&#8211; Lower operating costs<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Example<\/strong><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Waste-to-energy plants and power stations use TDLS to continuously monitor ammonia slip downstream of SCR systems.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-f659979d\"><h2 class=\"uagb-heading-text\"><strong>4. Moisture Measurement in Carbon Capture (CCUS)<\/strong><br><\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Challenge<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Carbon Capture, Utilization and Storage (CCUS) processes require accurate moisture monitoring to prevent corrosion, maintain product quality, and protect equipment.<br>Conventional measurement technologies can struggle with contamination and slow response.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-78599f7b\"><h2 class=\"uagb-heading-text\"><strong>Why TDLS Is Better<\/strong><br><\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">TDLS offers low-level moisture measurements with excellent sensitivity and repeatability.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Example<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A CO\u2082 transportation pipeline operator can use TDLS to ensure moisture remains below specified limits before compression and transport.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-de136e27\"><h2 class=\"uagb-heading-text\"><strong>5. Harsh Biomass and Waste-to-Energy Applications<\/strong><br><\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Challenge<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Biomass and waste-to-energy combustion environments are notoriously difficult due to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High dust loading<\/li>\n\n\n\n<li>Variable fuel composition<\/li>\n\n\n\n<li>Corrosive gases<\/li>\n\n\n\n<li>Temperature fluctuations<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Traditional analyzers often suffer from plugging and maintenance issues.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-8586a261\"><h2 class=\"uagb-heading-text\"><strong>Why TDLS Is Better<\/strong><br><\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Because TDLS is a non-contact technology, it can operate reliably where conventional analyzers frequently struggle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Example<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A waste-to-energy facility can use TDLS to continuously optimize combustion and improve overall energy recovery.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-e9228a53\"><h2 class=\"uagb-heading-text\"><strong>Why More Operators Are Switching to TDLS<\/strong><br><\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Organizations increasingly choose TDLS because it helps solve some of the most common analyzer challenges:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Common Problem<\/strong><\/td><td><strong>TDLS Advantage<\/strong><\/td><\/tr><tr><td>Slow analyzer response<\/td><td>Near real-time measurement<\/td><\/tr><tr><td>Sample system maintenance<\/td><td>No sample conditioning required<\/td><\/tr><tr><td>Dusty environments<\/td><td>Non-contact measurement<\/td><\/tr><tr><td>Corrosive gases<\/td><td>Minimal process exposure<\/td><\/tr><tr><td>Analyzer drift<\/td><td>Stable optical measurement<\/td><\/tr><tr><td>High OPEX<\/td><td>Lower maintenance costs<\/td><\/tr><tr><td>Safety concerns<\/td><td>Fast detection of abnormal conditions<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-e69292f0\"><h2 class=\"uagb-heading-text\"><strong>Conclusion<\/strong><br><\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">As process industries pursue greater efficiency, safety, and sustainability, gas measurement technology becomes increasingly important.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">TDLS provides a unique combination of speed, accuracy, reliability, and low maintenance that makes it particularly effective for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Combustion optimization<\/li>\n\n\n\n<li>Burner failure detection<\/li>\n\n\n\n<li>Ammonia slip monitoring<\/li>\n\n\n\n<li>Moisture measurement<\/li>\n\n\n\n<li>CCUS applications<\/li>\n\n\n\n<li>Biomass and waste-to-energy facilities<\/li>\n\n\n\n<li>Harsh industrial processes<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">For operators seeking accurate gas measurements where traditional technologies reach their limits, TDLS is often the most effective solution available today.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-df01a63a\"><h2 class=\"uagb-heading-text\"><strong>Want to discover whether TDLS is the right solution for your application?<\/strong><\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.yokogawa.com\/eu\/solutions\/products-and-services\/measurement\/analyzers\/gas-analyzers\/tunable-diode-laser-spectrometer\/\" type=\"link\" id=\"https:\/\/www.yokogawa.com\/eu\/solutions\/products-and-services\/measurement\/analyzers\/gas-analyzers\/tunable-diode-laser-spectrometer\/\">Explore real-world use cases, technical resources, and expert guidance from Yokogawa&#8217;s gas analysis specialists to see how TDLS can improve process performance, safety, and sustainability.<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Check out our free On-Demand Webinars with one Click here:<\/strong><br><br><a href=\"https:\/\/pages.yokogawa.com\/y-products-ccus.html\"><strong>CCUS On-Demand Webinar<\/strong><\/a><br><br><strong><a href=\"https:\/\/pages.yokogawa.com\/TDLS8000-QAL1.html\">TDLS8000 QAL1 On-Demand Webinar<\/a><\/strong><br><br><strong><a href=\"https:\/\/pages.yokogawa.com\/tdls-zirconia.html\">TDLS &amp; Zirconia On-Demand Webinar<\/a><\/strong><br><br><a href=\"https:\/\/pages.yokogawa.com\/TDLS8200forSafety.html\"><strong>Download our free ebook &#8220;TDLS8200 for Safety&#8221; here<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Why Traditional Gas Measurement Is No Longer Enough Industrial operators face increasing pressure to improve efficiency, reduce emissions, and maintain safe operations. Yet many gas measurement systems still rely on extractive sampling methods that introduce delays, require significant maintenance, and [&hellip;]<\/p>\n","protected":false},"author":31,"featured_media":12571,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","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":[53,56,58,59],"tags":[],"coauthors":[81],"class_list":["post-12544","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-automation-en","category-optimization-en","category-plant-performance-en","category-safety-security-en","author-niklas-frielingsdorf"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>The Fastest Path to Accurate Gas Measurement in Harsh Industrial Environments - Chemical Pharma Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.yokogawa.com\/eu\/blog\/chemical-pharma\/en\/the-fastest-path-to-accurate-gas-measurement-in-harsh-industrial-environments\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Fastest Path to Accurate Gas Measurement in Harsh Industrial Environments\" \/>\n<meta property=\"og:description\" content=\"Why Traditional Gas Measurement Is No Longer Enough Industrial operators face increasing pressure to improve efficiency, reduce emissions, and maintain safe operations. 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