{"id":13963,"date":"2025-11-27T11:12:44","date_gmt":"2025-11-27T11:12:44","guid":{"rendered":"https:\/\/www.codel.co.uk\/?p=13963"},"modified":"2025-11-27T11:12:47","modified_gmt":"2025-11-27T11:12:47","slug":"what-is-qal1-certification-and-why-does-it-matter","status":"publish","type":"post","link":"https:\/\/www.codel.co.uk\/vi\/what-is-qal1-certification-and-why-does-it-matter\/","title":{"rendered":"What is QAL1 certification and why does it matter?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"13963\" class=\"elementor elementor-13963\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d278ef9 elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d278ef9\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;,&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1f56f9c\" data-id=\"1f56f9c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b664b0f elementor-widget elementor-widget-image\" data-id=\"b664b0f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"439\" src=\"https:\/\/www.codel.co.uk\/wp-content\/uploads\/2025\/11\/QAL1-Website-Graphic-768x439.jpg\" class=\"attachment-medium_large size-medium_large wp-image-13965\" alt=\"\" srcset=\"https:\/\/www.codel.co.uk\/wp-content\/uploads\/2025\/11\/QAL1-Website-Graphic-768x439.jpg 768w, https:\/\/www.codel.co.uk\/wp-content\/uploads\/2025\/11\/QAL1-Website-Graphic-300x171.jpg 300w, https:\/\/www.codel.co.uk\/wp-content\/uploads\/2025\/11\/QAL1-Website-Graphic-1024x585.jpg 1024w, https:\/\/www.codel.co.uk\/wp-content\/uploads\/2025\/11\/QAL1-Website-Graphic-1536x878.jpg 1536w, https:\/\/www.codel.co.uk\/wp-content\/uploads\/2025\/11\/QAL1-Website-Graphic-18x10.jpg 18w, https:\/\/www.codel.co.uk\/wp-content\/uploads\/2025\/11\/QAL1-Website-Graphic.jpg 1920w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-83e3bc5 elementor-widget elementor-widget-heading\" data-id=\"83e3bc5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What is QAL1 Certification?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2fd1903 elementor-widget elementor-widget-text-editor\" data-id=\"2fd1903\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><!--StartFragment --><\/p><p><span class=\"cf0\">QAL1 is a performance certification standard defined under the European standard EN 15267. It verifies that a Continuous Emissions Monitoring System, meets strict requirements for accuracy, stability and long-term measurement reliability. To achieve QAL1 certification, an analyser must undergo independent laboratory and field testing to demonstrate that it can consistently deliver high-quality emissions data under real operating conditions.<\/span><\/p><p>\u00a0<\/p><p><span class=\"cf0\">In simple terms, QAL1 confirms that the technology has been rigorously assessed and approved as suitable for regulatory compliance monitoring. It gives operators confidence that the analyser will perform as expected, even in demanding industrial environments.<\/span><!--EndFragment --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c8a732 elementor-widget elementor-widget-heading\" data-id=\"3c8a732\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Why QAL1 Matters for Emissions Monitoring\n<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d2eda2d elementor-widget elementor-widget-text-editor\" data-id=\"d2eda2d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><!--StartFragment --><\/p><p><span class=\"cf0\">For any site operating under environmental permits, the accuracy and reliability of emissions data is essential. QAL1 certification ensures that the monitoring system is capable of delivering measurements that meet the strict standards required by regulators. This helps operators report their emissions with confidence and avoid compliance issues or penalties caused by inaccurate readings.<\/span><\/p><p>\u00a0<\/p><p><span class=\"cf0\">QAL1-approved systems also provide strong long-term value. Because they are tested for stability and repeatability, operators can rely on consistent performance with fewer interventions, fewer false alarms and reduced downtime. This supports smoother plant operations and helps maintain compliance without unnecessary maintenance overhead.<\/span><!--EndFragment --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7f32939 elementor-widget elementor-widget-heading\" data-id=\"7f32939\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">CODEL\u2019s Use of QAL1 Certification<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-06ff255 elementor-widget elementor-widget-text-editor\" data-id=\"06ff255\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>CODEL has relied on QAL1 certification for many years as a benchmark for proving the accuracy and reliability of our emissions monitoring systems. This commitment is reflected across our extensive certified product portfolio, which includes the <a href=\"https:\/\/www.codel.co.uk\/vi\/products\/stack-emission-monitoring\/gas-monitors\/gcem-40-series-gas-analyser\/\">GCEM 40 Series<\/a>, <a href=\"https:\/\/www.codel.co.uk\/vi\/products\/stack-emission-monitoring\/dust-monitors\/dual-pass-opacity\/\">DCEM2100<\/a>, <a href=\"https:\/\/www.codel.co.uk\/vi\/products\/stack-emission-monitoring\/flow-monitors\/flue-gas-velocity\/\">VCEM5100<\/a> and <a href=\"https:\/\/www.codel.co.uk\/vi\/products\/stack-emission-monitoring\/dust-monitors\/dcem-6000-qal1-dust-analyser\/\">DCEM 6000<\/a>. Each of these systems has undergone rigorous, independent testing to meet the demanding performance requirements set out under EN 15267.<\/p><p>We continue to build on this foundation with the upcoming GCEM 50E, which will also carry QAL1 approval. By ensuring our analysers meet these recognised standards, we provide operators with confidence that their monitoring equipment is compliant, robust and capable of delivering high-quality data in challenging industrial environments.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aebbffa elementor-widget elementor-widget-heading\" data-id=\"aebbffa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Why CODEL Uses QAL1-Certified Technology\n<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b3ecfa3 elementor-widget elementor-widget-text-editor\" data-id=\"b3ecfa3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>CODEL products are engineered to meet the highest industry standards, with systems such as the <a href=\"https:\/\/www.codel.co.uk\/vi\/products\/stack-emission-monitoring\/gas-monitors\/gcem-40-series-gas-analyser\/\">GCEM 40 Series<\/a> certified to QAL1 under EN 15267. This demonstrates our commitment to providing emissions monitoring solutions that offer proven accuracy, reliable performance and long-term stability.<\/p><p>\u00a0<\/p><p>For operators, choosing a QAL1-certified CODEL analyser means choosing a system that has been independently validated to meet demanding environmental and regulatory expectations while also offering the practical benefits of stable, low-maintenance operation.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-414e817 elementor-widget elementor-widget-heading\" data-id=\"414e817\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">S\u1ea3n Ph\u1ea9m Li\u00ean Quan<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-06696d8 elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"06696d8\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;,&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-ccc4524\" data-id=\"ccc4524\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-eaa7fc4 elementor-widget elementor-widget-heading\" data-id=\"eaa7fc4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.codel.co.uk\/vi\/products\/stack-emission-monitoring\/gas-monitors\/gcem-40-series-gas-analyser\/\">M\u00e1y Ph\u00e2n T\u00edch Kh\u00ed Th\u1ea3i \u0110o Tr\u1ef1c Ti\u1ebfp \u0110\u01a1n K\u00eanh Ho\u1eb7c \u0110a K\u00eanh GCEM40<\/a><\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d5cdbbe elementor-widget elementor-widget-image\" data-id=\"d5cdbbe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.codel.co.uk\/vi\/products\/stack-emission-monitoring\/gas-monitors\/gcem-40-series-gas-analyser\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.codel.co.uk\/wp-content\/uploads\/elementor\/thumbs\/GCEM40-4_Alpha_Shadow-r8u97mg9mtk7wdv5d3ggzp2r0pviq1xn6rkxe1my9s.png\" title=\"GCEM40-4_Alpha_Shadow\" alt=\"GCEM40-4_Alpha_Shadow\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7265869 elementor-widget elementor-widget-text-editor\" data-id=\"7265869\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6d5fa474 elementor-widget elementor-widget-text-editor\" data-id=\"6d5fa474\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"><div class=\"elementor-widget-container\"><p>GCEM40 l\u00e0 thi\u1ebft b\u1ecb \u0111o tr\u1ef1c ti\u1ebfp (in-situ) c\u00f3 chi ph\u00ed h\u1ee3p l\u00fd, \u00edt t\u1ed1n c\u00f4ng b\u1ea3o tr\u00ec, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u1ea3 m\u1ee5c \u0111\u00edch ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh l\u1eabn quan tr\u1eafc ph\u00e1t th\u1ea3i.<\/p><\/div><p>\u00a0<\/p><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-00316b4 elementor-widget elementor-widget-text-editor\" data-id=\"00316b4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>CO, NOx, SO2, HCl, CH4, CO2 &amp; H2O<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f39b5d0 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"f39b5d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/www.codel.co.uk\/vi\/products\/stack-emission-monitoring\/gas-monitors\/gcem-40-series-gas-analyser\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Xem S\u1ea3n Ph\u1ea9m<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-62cdee0\" data-id=\"62cdee0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a12632f elementor-widget elementor-widget-heading\" data-id=\"a12632f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.codel.co.uk\/vi\/products\/stack-emission-monitoring\/flow-monitors\/flue-gas-velocity\/\">Thi\u1ebft B\u1ecb \u0110o V\u1eadn T\u1ed1c Kh\u00ed VCEM5100<\/a><\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-084eb99 elementor-widget elementor-widget-image\" data-id=\"084eb99\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.codel.co.uk\/vi\/products\/stack-emission-monitoring\/flow-monitors\/flue-gas-velocity\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.codel.co.uk\/wp-content\/uploads\/elementor\/thumbs\/VCEM5100-Transparent-Shadow-qvozpc9y4r9hwnde8289fi54m3cjv5ttcq7tq27rb4.png\" title=\"VCEM5100-Transparent-Shadow\" alt=\"VCEM5100-Transparent-Shadow\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4637cbd elementor-widget elementor-widget-text-editor\" data-id=\"4637cbd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6d5fa474 elementor-widget elementor-widget-text-editor\" data-id=\"6d5fa474\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"><div class=\"elementor-widget-container\"><p>C\u00e1c thi\u1ebft b\u1ecb \u0111o l\u01b0u l\u01b0\u1ee3ng \u0111\u1ed9c \u0111\u00e1o c\u1ee7a CODEL \u0111o v\u1eadn t\u1ed1c d\u00f2ng kh\u00ed \u1ed1ng kh\u00f3i b\u1eb1ng ph\u00e9p \u0111o th\u1eddi gian bay (time of flight) c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao, \u0111\u01b0\u1ee3c suy ra t\u1eeb ph\u00e2n t\u00edch t\u01b0\u01a1ng quan ch\u00e9o (cross correlation) tr\u00ean b\u1ee9c x\u1ea1 h\u1ed3ng ngo\u1ea1i c\u1ee7a d\u00f2ng kh\u00ed r\u1ed1i.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-845f659 elementor-widget elementor-widget-text-editor\" data-id=\"845f659\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L\u01b0u L\u01b0\u1ee3ng Kh\u00ed<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-be6510f elementor-align-center elementor-widget elementor-widget-button\" data-id=\"be6510f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/www.codel.co.uk\/vi\/products\/stack-emission-monitoring\/flow-monitors\/flue-gas-velocity\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Xem S\u1ea3n Ph\u1ea9m<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-d84b892\" data-id=\"d84b892\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b5e524a elementor-widget elementor-widget-heading\" data-id=\"b5e524a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.codel.co.uk\/vi\/products\/stack-emission-monitoring\/dust-monitors\/dual-pass-opacity\/\">Thi\u1ebft B\u1ecb \u0110o \u0110\u1ed9 M\u1edd \u0110\u1ee5c \/ B\u1ee5i Ki\u1ec3u Truy\u1ec1n D\u1eabn K\u00e9p (Dual Pass) DCEM2100<\/a><\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f7b3313 elementor-widget elementor-widget-image\" data-id=\"f7b3313\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.codel.co.uk\/vi\/products\/stack-emission-monitoring\/dust-monitors\/dual-pass-opacity\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.codel.co.uk\/wp-content\/uploads\/elementor\/thumbs\/CODEL-DCEM-1-quyz5bjvp6knz7rt3mk9b4gyb3bj2ikctx7slvalts.jpg\" title=\"CODEL-DCEM-1\" alt=\"CODEL-DCEM-1\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f154ef elementor-widget elementor-widget-text-editor\" data-id=\"3f154ef\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d08add7 elementor-widget elementor-widget-text-editor\" data-id=\"d08add7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"><div class=\"elementor-widget-container\"><p>DCEM2100 l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb Transmissometer (thi\u1ebft b\u1ecb \u0111o \u0111\u1ed9 m\u1edd \u0111\u1ee5c d\u1ef1a tr\u00ean nguy\u00ean l\u00fd truy\u1ec1n quang qua d\u00f2ng kh\u00ed) ho\u1ea1t \u0111\u1ed9ng theo nguy\u00ean l\u00fd truy\u1ec1n d\u1eabn k\u00e9p (dual-pass), \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u1ec3 \u0111o li\u00ean t\u1ee5c \u0111\u1ed9 m\u1edd v\u00e0 n\u1ed3ng \u0111\u1ed9 b\u1ee5i trong kh\u00ed th\u1ea3i.<\/p><\/div><\/div><p>\u00a0<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ba2906e elementor-widget elementor-widget-text-editor\" data-id=\"ba2906e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>B\u1ee5i<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d900e6b elementor-align-center elementor-widget elementor-widget-button\" data-id=\"d900e6b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/www.codel.co.uk\/vi\/products\/stack-emission-monitoring\/dust-monitors\/dual-pass-opacity\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Xem S\u1ea3n Ph\u1ea9m<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-5fa3815\" data-id=\"5fa3815\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1554697 elementor-widget elementor-widget-heading\" data-id=\"1554697\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.codel.co.uk\/vi\/products\/stack-emission-monitoring\/dust-monitors\/dcem-6000-qal1-dust-analyser\/\">Thi\u1ebft B\u1ecb Quan Tr\u1eafc B\u1ee5i DCEM 6000 \u0110\u1ea1t Chu\u1ea9n QAL1<\/a><\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-171878b elementor-widget elementor-widget-image\" data-id=\"171878b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.codel.co.uk\/vi\/products\/stack-emission-monitoring\/dust-monitors\/dcem-6000-qal1-dust-analyser\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.codel.co.uk\/wp-content\/uploads\/2025\/06\/ET600-web-300x200.jpg\" class=\"attachment-medium size-medium wp-image-12725\" alt=\"\" srcset=\"https:\/\/www.codel.co.uk\/wp-content\/uploads\/2025\/06\/ET600-web-300x200.jpg 300w, https:\/\/www.codel.co.uk\/wp-content\/uploads\/2025\/06\/ET600-web-1024x683.jpg 1024w, https:\/\/www.codel.co.uk\/wp-content\/uploads\/2025\/06\/ET600-web-768x512.jpg 768w, https:\/\/www.codel.co.uk\/wp-content\/uploads\/2025\/06\/ET600-web-1536x1024.jpg 1536w, https:\/\/www.codel.co.uk\/wp-content\/uploads\/2025\/06\/ET600-web-18x12.jpg 18w, https:\/\/www.codel.co.uk\/wp-content\/uploads\/2025\/06\/ET600-web.jpg 1920w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c322738 elementor-widget elementor-widget-text-editor\" data-id=\"c322738\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6d5fa474 elementor-widget elementor-widget-text-editor\" data-id=\"6d5fa474\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"><div class=\"elementor-widget-container\"><p>M\u00e1y ph\u00e2n t\u00edch b\u1ee5i triboelectric ch\u1ee7 l\u1ef1c \u0111\u1ea1t chu\u1ea9n QAL1 c\u1ee7a CODEL, d\u00f9ng cho quan tr\u1eafc ph\u00e1t th\u1ea3i li\u00ean t\u1ee5c v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao. Thi\u1ebft b\u1ecb cung c\u1ea5p d\u1eef li\u1ec7u theo th\u1eddi gian th\u1ef1c \u0111\u1ec3 h\u1ed7 tr\u1ee3 tu\u00e2n th\u1ee7 v\u00e0 t\u1ed1i \u01b0u hi\u1ec7u n\u0103ng l\u1ecdc b\u1ee5i.<\/p><p>\u00a0<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bac47cd elementor-widget elementor-widget-text-editor\" data-id=\"bac47cd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>B\u1ee5i<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-74f0621 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"74f0621\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/www.codel.co.uk\/vi\/products\/stack-emission-monitoring\/dust-monitors\/dcem-6000-qal1-dust-analyser\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Xem S\u1ea3n Ph\u1ea9m<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>What is QAL1 Certification? QAL1 is a performance certification standard defined under the European standard EN 15267. It verifies that a Continuous Emissions Monitoring System, meets strict requirements for accuracy, stability and long-term measurement reliability. To achieve QAL1 certification, an analyser must undergo independent laboratory and field testing to demonstrate that it can consistently deliver &#8230; <a title=\"What is QAL1 certification and why does it matter?\" class=\"read-more\" href=\"https:\/\/www.codel.co.uk\/vi\/what-is-qal1-certification-and-why-does-it-matter\/\" aria-label=\"\u0110\u1ecdc th\u00eam v\u1ec1 What is QAL1 certification and why does it matter?\">\u0110\u1ecdc ti\u1ebfp<\/a><\/p>","protected":false},"author":6,"featured_media":13965,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-13963","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>What is QAL1 Certification and why does it matter? 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