{"id":19713,"date":"2025-06-16T04:03:49","date_gmt":"2025-06-16T04:03:49","guid":{"rendered":"https:\/\/www.kcsensor.com\/?post_type=product&#038;p=19713"},"modified":"2026-04-09T01:11:14","modified_gmt":"2026-04-09T01:11:14","slug":"tdlas200b-laser-methane-sensor","status":"publish","type":"product","link":"https:\/\/www.kcsensor.com\/fr\/product\/tdlas200b-laser-methane-sensor\/","title":{"rendered":"Capteur de m\u00e9thane \u00e0 laser TDLAS200B - Diffusion"},"content":{"rendered":"<h3><strong>1. Introduction<\/strong><strong>\u00a0<\/strong><\/h3>\n<p>Le module de t\u00e9l\u00e9m\u00e9trie du capteur de m\u00e9thane \u00e0 laser TDLAS200B est fabriqu\u00e9 selon la technologie de la spectroscopie d'absorption laser. Il \u00e9met un faisceau laser d'une longueur d'onde sp\u00e9cifique afin de d\u00e9tecter la pr\u00e9sence d'un gaz cible dans le trajet optique du laser, ce qui permet de d\u00e9terminer la concentration de ce gaz.<\/p>\n<h3><strong>2. Caract\u00e9ristiques<\/strong><\/h3>\n<ul>\n<li>Haute sensibilit\u00e9, ne r\u00e9agit qu'au gaz cible<\/li>\n<li>Cellule de r\u00e9f\u00e9rence int\u00e9gr\u00e9e, pouvant \u00eatre \u00e9talonn\u00e9e automatiquement<\/li>\n<li>Facile \u00e0 int\u00e9grer, l'interface num\u00e9rique affiche directement l'\u00e9tat et la concentration<\/li>\n<\/ul>\n<h3><strong>3. Principe de mesure<\/strong><\/h3>\n<p>\u201c Les mol\u00e9cules de m\u00e9thane absorbent la lumi\u00e8re d'une longueur d'onde sp\u00e9cifique \u201d \u2013 Spectre d'absorption mol\u00e9culaire<\/p>\n<p>\u201c La quantit\u00e9 de lumi\u00e8re absorb\u00e9e par un milieu transparent (masse de m\u00e9thane gazeux) est proportionnelle \u00e0 l'\u00e9paisseur et \u00e0 la concentration de cette masse de gaz \u201d \u2013 Loi de Beer-Lambert<\/p>\n<p>Conform\u00e9ment aux principes physiques susmentionn\u00e9s, un faisceau lumineux d'une longueur d'onde sp\u00e9cifique peut \u00eatre utilis\u00e9 pour traverser la masse de m\u00e9thane qui s'\u00e9chappe. En fonction du degr\u00e9 d'att\u00e9nuation du faisceau, il est possible de mesurer la concentration en m\u00e9thane dans cette masse gazeuse ; ce proc\u00e9d\u00e9 ne r\u00e9agit qu'au m\u00e9thane (s\u00e9lectivit\u00e9 unique).<\/p>\n<p>L'utilisation de la cellule de d\u00e9tection \u00e0 r\u00e9flexions multiples du capteur de m\u00e9thane \u00e0 laser, combin\u00e9e au passage r\u00e9p\u00e9t\u00e9 du faisceau laser \u00e0 travers le gaz \u00e0 mesurer, permet de multiplier la sensibilit\u00e9 de d\u00e9tection.<\/p>\n<p><img data-dominant-color=\"dfe0e3\" data-has-transparency=\"false\" style=\"--dominant-color: #dfe0e3;\" fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-19715 size-full not-transparent\" src=\"https:\/\/www.kcsensor.com\/wp-content\/uploads\/2025\/06\/Laser-Methane-Sensor.webp\" alt=\"Capteur de m\u00e9thane \u00e0 laser TDLAS200B\" width=\"597\" height=\"273\" srcset=\"https:\/\/www.kcsensor.com\/wp-content\/uploads\/2025\/06\/Laser-Methane-Sensor.webp 597w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2025\/06\/Laser-Methane-Sensor-300x137.webp 300w\" sizes=\"(max-width: 597px) 100vw, 597px\" \/><\/p>\n<h3><strong>4. Dimensions<\/strong><\/h3>\n<p><img data-dominant-color=\"f9f9fa\" data-has-transparency=\"false\" style=\"--dominant-color: #f9f9fa;\" decoding=\"async\" class=\"alignnone size-full wp-image-19714 not-transparent\" src=\"https:\/\/www.kcsensor.com\/wp-content\/uploads\/2025\/06\/Laser-Methane-Sensor-Dimension.webp\" alt=\"Dimensions du capteur de m\u00e9thane \u00e0 laser\" width=\"722\" height=\"442\" srcset=\"https:\/\/www.kcsensor.com\/wp-content\/uploads\/2025\/06\/Laser-Methane-Sensor-Dimension.webp 722w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2025\/06\/Laser-Methane-Sensor-Dimension-300x184.webp 300w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2025\/06\/Laser-Methane-Sensor-Dimension-600x367.webp 600w\" sizes=\"(max-width: 722px) 100vw, 722px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>Le module de t\u00e9l\u00e9m\u00e9trie du capteur de m\u00e9thane \u00e0 laser TDLAS200B est fabriqu\u00e9 selon la technologie de la spectroscopie d'absorption laser. Il \u00e9met un faisceau laser d'une longueur d'onde sp\u00e9cifique afin de d\u00e9tecter la pr\u00e9sence d'un gaz cible dans le trajet optique du laser, ce qui permet de d\u00e9terminer la concentration de ce gaz.<\/p>\n<p><a href=\"\/wp-content\/uploads\/2025\/06\/TDLAS200-Series-Module-Disassembly-and-Maintenance.pdf\">D\u00e9montage et entretien du module de la s\u00e9rie TDLAS200.pdf<\/a><\/p>","protected":false},"featured_media":19737,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"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":"default","adv-header-id-meta":"","stick-header-meta":"default","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 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