{"id":22766,"date":"2026-02-09T07:20:48","date_gmt":"2026-02-09T07:20:48","guid":{"rendered":"https:\/\/www.kcsensor.com\/?p=22766"},"modified":"2026-02-09T07:20:50","modified_gmt":"2026-02-09T07:20:50","slug":"laser-methane-sensor-agricultural-gas-monitoring","status":"publish","type":"post","link":"https:\/\/www.kcsensor.com\/fr\/laser-methane-sensor-agricultural-gas-monitoring\/","title":{"rendered":"Capteur de m\u00e9thane \u00e0 laser TDLAS200B pour la surveillance des gaz dans les chambres d'essai agricoles"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>1. Contexte du projet<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Une installation exploitant des chambres agricoles destin\u00e9es \u00e0 l'\u00e9levage et au traitement des engrais avait besoin d'une surveillance continue du m\u00e9thane \u00e0 l'int\u00e9rieur de ces espaces clos. Le m\u00e9thane, produit lors de la d\u00e9composition organique et de l'activit\u00e9 animale, pr\u00e9sente des risques d'incendie et d'asphyxie lorsqu'il est pr\u00e9sent \u00e0 des concentrations \u00e9lev\u00e9es dans ces chambres.<br>Afin de renforcer la s\u00e9curit\u00e9 et de g\u00e9rer efficacement les risques li\u00e9s au m\u00e9thane atmosph\u00e9rique, le client a \u00e9valu\u00e9 diff\u00e9rentes solutions de d\u00e9tection du m\u00e9thane par laser. Apr\u00e8s avoir compar\u00e9 les diff\u00e9rentes options, il a choisi la <strong><a href=\"\/fr\/product\/tdlas200b-laser-methane-sensor\/\" target=\"_blank\" rel=\"noreferrer noopener\">Capteur de m\u00e9thane \u00e0 laser TDLAS200B<\/a><\/strong>\u00a0destin\u00e9 \u00e0 \u00eatre install\u00e9 \u00e0 l'int\u00e9rieur de la chambre afin de fournir des mesures continues et en temps r\u00e9el de la concentration en m\u00e9thane.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-dominant-color=\"797b75\" data-has-transparency=\"false\" style=\"--dominant-color: #797b75;\" fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.kcsensor.com\/wp-content\/uploads\/2026\/02\/TDLAS200B-Laser-Methane-Sensor-for-Agricultural-Chamber-Gas-Monitoring-1024x768.webp\" alt=\"Capteur de m\u00e9thane \u00e0 laser TDLAS200B pour la surveillance des gaz dans les chambres d&#039;essai agricoles\" class=\"wp-image-23859 not-transparent\" srcset=\"https:\/\/www.kcsensor.com\/wp-content\/uploads\/2026\/02\/TDLAS200B-Laser-Methane-Sensor-for-Agricultural-Chamber-Gas-Monitoring-1024x768.webp 1024w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2026\/02\/TDLAS200B-Laser-Methane-Sensor-for-Agricultural-Chamber-Gas-Monitoring-300x225.webp 300w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2026\/02\/TDLAS200B-Laser-Methane-Sensor-for-Agricultural-Chamber-Gas-Monitoring-768x576.webp 768w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2026\/02\/TDLAS200B-Laser-Methane-Sensor-for-Agricultural-Chamber-Gas-Monitoring-600x450.webp 600w, https:\/\/www.kcsensor.com\/wp-content\/uploads\/2026\/02\/TDLAS200B-Laser-Methane-Sensor-for-Agricultural-Chamber-Gas-Monitoring.webp 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. Les d\u00e9fis li\u00e9s aux mesures<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La mise en \u0153uvre de cette application a pos\u00e9 les d\u00e9fis suivants :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La production de m\u00e9thane est variable et d\u00e9pend des conditions environnementales (temp\u00e9rature, humidit\u00e9, charge organique)<\/li>\n\n\n\n<li>Dans une enceinte ferm\u00e9e, il est n\u00e9cessaire de disposer d'une d\u00e9tection pr\u00e9cise pour des concentrations de m\u00e9thane faibles \u00e0 mod\u00e9r\u00e9es<\/li>\n\n\n\n<li>Environnement agricole hostile, caract\u00e9ris\u00e9 par la pr\u00e9sence de poussi\u00e8re et de vapeurs d'ammoniac<\/li>\n\n\n\n<li>N\u00e9cessit\u00e9 d'un fonctionnement fiable n\u00e9cessitant un entretien minimal<\/li>\n\n\n\n<li>N\u00e9cessit\u00e9 d'une sortie num\u00e9rique stable pour l'int\u00e9gration avec les syst\u00e8mes de commande locaux<\/li>\n<\/ul>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-1 wp-block-paragraph\">Au d\u00e9part, le client avait envisag\u00e9 le <strong><a href=\"\/fr\/product\/tdlas200b-laser-methane-sensor\/\" target=\"_blank\" rel=\"noreferrer noopener\">TDLAS200A<\/a><\/strong>&nbsp;(capteur \u00e9quip\u00e9 d'une pompe \u00e0 m\u00e9thane laser) en raison de son principe de pr\u00e9l\u00e8vement actif, mais une \u00e9valuation pratique a montr\u00e9 qu'un capteur laser \u00e0 ligne de vis\u00e9e directe (TDLAS200B) offrait une meilleure fiabilit\u00e9 \u00e0 long terme pour la configuration de leur chambre, sans n\u00e9cessiter de pompe externe.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote has-black-color has-text-color has-link-color wp-elements-2 is-layout-flow wp-block-quote-is-layout-flow\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)\">\n<p class=\"wp-block-paragraph\" style=\"font-size:17px\"><em><a href=\"\/fr\/tdlas200-laser-methane-gas-sensor-fast-accurate-safe-gas-monitoring\/\" target=\"_blank\" rel=\"noreferrer noopener\">Comment choisir rapidement et correctement le capteur de m\u00e9thane \u00e0 laser TDLAS200 qui vous convient ?<\/a><\/em><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. Solution<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La solution retenue a \u00e9t\u00e9 la <strong>Capteur de m\u00e9thane \u00e0 laser TDLAS200B<\/strong>, con\u00e7u pour la surveillance du m\u00e9thane par voie optique directe, sans pi\u00e8ces mobiles. Ses principaux avantages sont les suivants :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Lin\u00e9arit\u00e9 \u00e9lev\u00e9e<\/strong>&nbsp;sur toute la plage de mesure, garantissant ainsi un suivi coh\u00e9rent et fiable des tendances<\/li>\n\n\n\n<li><strong>Seuil de d\u00e9tection bas<\/strong>, ce qui permet de d\u00e9tecter rapidement les variations de la concentration de m\u00e9thane avant qu'elles n'atteignent les seuils de risque<\/li>\n\n\n\n<li><strong>Haute pr\u00e9cision de mesure<\/strong>, adapt\u00e9 aux applications de surveillance en continu et d'enregistrement de donn\u00e9es<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ces caract\u00e9ristiques ont permis au client d'obtenir des donn\u00e9es stables et reproductibles sur la concentration en m\u00e9thane sur de longues p\u00e9riodes de fonctionnement, ce qui a contribu\u00e9 \u00e0 la fois \u00e0 la gestion de la s\u00e9curit\u00e9 et \u00e0 l'optimisation des processus \u00e0 l'int\u00e9rieur de la chambre.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3.1 Configuration du mat\u00e9riel<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le syst\u00e8me de surveillance comprenait :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Capteur de m\u00e9thane \u00e0 laser TDLAS200B, version \u00e0 fixation murale<\/strong><\/li>\n\n\n\n<li>Armoire industrielle adapt\u00e9e \u00e0 un environnement de chambre blanche<\/li>\n\n\n\n<li>Communication num\u00e9rique RS485\/Modbus pour l'acquisition de donn\u00e9es<\/li>\n\n\n\n<li>Support de fixation \u00e0 l'int\u00e9rieur de la chambre avec ligne de vis\u00e9e directe<\/li>\n\n\n\n<li>Int\u00e9gration avec le syst\u00e8me d'alarme local et le syst\u00e8me de commande de la ventilation<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3.2 Principaux points techniques<\/strong><strong><\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Fonctionnalit\u00e9<\/strong><strong><\/strong><\/td><td><strong>Valeur<\/strong><strong><\/strong><\/td><\/tr><tr><td>Principe de d\u00e9tection<\/td><td>Spectroscopie d'absorption par laser \u00e0 diode accordable (TDLAS)<\/td><\/tr><tr><td>Pr\u00e9cision<\/td><td>\u00b12 ppm (valeur optimale)<\/td><\/tr><tr><td>R\u00e9sultat<\/td><td>RS485 num\u00e9rique avec Modbus<\/td><\/tr><tr><td>Temps de r\u00e9ponse<\/td><td>Rapide (0,2 s)<\/td><\/tr><tr><td>Maintenance<\/td><td>Faible (sans pompe)<\/td><\/tr><tr><td>Installation<\/td><td>Fixation murale ou sur support \u00e0 l'int\u00e9rieur de la chambre<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3.3 Processus de mise en \u0153uvre<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Installation<\/strong><br>Le capteur TDLAS200B a \u00e9t\u00e9 install\u00e9 sur la paroi int\u00e9rieure de la chambre agricole, \u00e0 un emplacement offrant un trajet optique d\u00e9gag\u00e9. La sortie num\u00e9rique du capteur a \u00e9t\u00e9 reli\u00e9e au syst\u00e8me de surveillance et de contr\u00f4le de l'installation via une interface RS485 utilisant le protocole Modbus. <\/p>\n\n\n\n<blockquote class=\"wp-block-quote has-black-color has-text-color has-link-color wp-elements-3 is-layout-flow wp-block-quote-is-layout-flow\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);font-size:17px\">\n<p class=\"has-black-color has-text-color has-link-color wp-elements-4 wp-block-paragraph\" style=\"font-size:18px\"><em>Vous voulez savoir :<br><a href=\"https:\/\/www.youtube.com\/watch?v=S9g4VGFeXCU&amp;t=2s\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>Comment utiliser le capteur de m\u00e9thane \u00e0 laser de la s\u00e9rie TDLAS200 ?<\/strong><\/a><\/em><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Fonctionnement<\/strong><br>Pendant son fonctionnement, le TDLAS200B a effectu\u00e9 des mesures continues de m\u00e9thane. Les donn\u00e9es ont \u00e9t\u00e9 enregistr\u00e9es localement puis transmises au syst\u00e8me SCADA, permettant ainsi l'affichage en temps r\u00e9el de tableaux de bord, de seuils et d'alarmes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Int\u00e9gration<\/strong><br>Les seuils d'alarme ont \u00e9t\u00e9 configur\u00e9s de mani\u00e8re \u00e0 ce que, lorsque la concentration en m\u00e9thane d\u00e9passait les limites de s\u00e9curit\u00e9, le syst\u00e8me de contr\u00f4le d\u00e9clenche la ventilation et alerte les op\u00e9rateurs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. R\u00e9sultats du projet<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Indicateur de performance<\/strong><strong><\/strong><\/td><td><strong>R\u00e9sultat<\/strong><strong><\/strong><\/td><\/tr><tr><td>Fiabilit\u00e9 de la d\u00e9tection<\/td><td>\u00c9lev\u00e9 et stable<\/td><\/tr><tr><td>Continuit\u00e9 des donn\u00e9es<\/td><td>Surveillance continue 24 heures sur 24, 7 jours sur 7<\/td><\/tr><tr><td>Exigences en mati\u00e8re d'entretien<\/td><td>Minimal<\/td><\/tr><tr><td>Int\u00e9gration des alarmes<\/td><td>Enti\u00e8rement int\u00e9gr\u00e9<\/td><\/tr><tr><td>Stabilit\u00e9 \u00e0 long terme<\/td><td>Excellent<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5. Conclusion<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le <strong><a href=\"\/fr\/product\/tdlas200b-laser-methane-sensor\/\" target=\"_blank\" rel=\"noreferrer noopener\">Capteur de m\u00e9thane \u00e0 laser TDLAS200B<\/a><\/strong>\u00a0a fourni une solution fiable et n\u00e9cessitant peu d'entretien pour la surveillance du m\u00e9thane \u00e0 l'int\u00e9rieur d'une chambre agricole.<br>Par rapport au mod\u00e8le TDLAS200A \u00e0 pompe, le TDLAS200B s'est r\u00e9v\u00e9l\u00e9 plus fiable \u00e0 long terme et plus facile \u00e0 int\u00e9grer, ce qui en fait la solution id\u00e9ale pour les environnements agricoles clos o\u00f9 une surveillance continue de la s\u00e9curit\u00e9 gazi\u00e8re est indispensable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette solution est particuli\u00e8rement adapt\u00e9e \u00e0 <strong>\u00e9tables, installations de compostage, entrep\u00f4ts agricoles ferm\u00e9s et autres applications similaires<\/strong>&nbsp;o\u00f9 la surveillance en temps r\u00e9el de la concentration de m\u00e9thane renforce la s\u00e9curit\u00e9 et le contr\u00f4le op\u00e9rationnel.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-5 wp-block-paragraph\">Pour plus de d\u00e9tails techniques, des sch\u00e9mas de c\u00e2blage ou des conseils sur le choix d'un mod\u00e8le, veuillez cliquer sur <strong><a href=\"\/fr\/contact-us\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.kcsensor.com\/contact-us\/\" rel=\"noreferrer noopener\">ici<\/a><\/strong> pour en savoir plus ou contacter notre \u00e9quipe technique.<\/p>","protected":false},"excerpt":{"rendered":"<p>1. Project Background A facility operating agricultural chambers for livestock and fertilizer processing required continuous methane monitoring inside enclosed spaces. Methane, produced during organic decomposition and animal activity, poses fire and asphyxiation risks when present at elevated concentrations within chambers.To enhance safety and effectively manage atmospheric methane risk, the customer evaluated laser based methane sensing [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":23859,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","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":"","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":[294,361],"tags":[],"class_list":["post-22766","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cases","category-gas-sensors"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.kcsensor.com\/fr\/wp-json\/wp\/v2\/posts\/22766","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kcsensor.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kcsensor.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kcsensor.com\/fr\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kcsensor.com\/fr\/wp-json\/wp\/v2\/comments?post=22766"}],"version-history":[{"count":0,"href":"https:\/\/www.kcsensor.com\/fr\/wp-json\/wp\/v2\/posts\/22766\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kcsensor.com\/fr\/wp-json\/wp\/v2\/media\/23859"}],"wp:attachment":[{"href":"https:\/\/www.kcsensor.com\/fr\/wp-json\/wp\/v2\/media?parent=22766"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kcsensor.com\/fr\/wp-json\/wp\/v2\/categories?post=22766"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kcsensor.com\/fr\/wp-json\/wp\/v2\/tags?post=22766"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}