{"id":4090,"date":"2025-11-12T09:46:00","date_gmt":"2025-11-12T09:46:00","guid":{"rendered":"https:\/\/atexcom.fr\/?p=4090"},"modified":"2025-10-21T10:04:07","modified_gmt":"2025-10-21T10:04:07","slug":"decryptage-du-marquage-atex","status":"publish","type":"post","link":"https:\/\/atexcom.fr\/en\/decryptage-du-marquage-atex\/","title":{"rendered":"D\u00e9cryptage du Marquage ATEX"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Lorsque vous travaillez ou \u00e9quipez des employ\u00e9s dans des environnements o\u00f9 gaz inflammables, vapeurs, brouillards ou poussi\u00e8res combustibles peuvent cr\u00e9er une <strong>Atmosph\u00e8re Explosible (ATEX)<\/strong>, le choix du mat\u00e9riel est la d\u00e9cision la plus critique. Un appareil non conforme ou mal adapt\u00e9 repr\u00e9sente une source d\u2019inflammation potentielle, transformant un risque latent en catastrophe.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le <strong>marquage ATEX<\/strong> appos\u00e9 sur les \u00e9quipements (smartphones, tablettes, capteurs, talkies-walkies) constitue votre seule garantie de s\u00e9curit\u00e9. Ce code complexe n&rsquo;est pas un simple logo. En fait, c&rsquo;est une carte d&rsquo;identit\u00e9 technique qui d\u00e9finit pr\u00e9cis\u00e9ment l&rsquo;environnement dans lequel l&rsquo;appareil peut \u00eatre utilis\u00e9 en toute s\u00e9curit\u00e9. En tant que professionnel de la s\u00e9curit\u00e9 ou acheteur d&rsquo;\u00e9quipements pour zones dangereuses, vous devez absolument savoir d\u00e9crypter ce langage normalis\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ce guide vous fournit les cl\u00e9s pour comprendre le marquage ATEX selon la <strong>Directive 2014\/34\/UE<\/strong>, garantissant ainsi que vous choisissez le bon \u00e9quipement pour la bonne zone.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Les deux piliers de la r\u00e9glementation ATEX<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La <a href=\"https:\/\/atexcom.fr\/en\/atex\/\">r\u00e9glementation ATEX<\/a> repose sur deux directives europ\u00e9ennes fondamentales, toujours en vigueur en France via le Code du Travail (DRPCE) et le Code de l&rsquo;Environnement :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Directive ATEX 2014\/34\/UE (Ex-ATEX 95\/114)<\/strong> : Elle s&rsquo;adresse aux <strong>fabricants<\/strong> et concerne les exigences de conception et de construction des appareils destin\u00e9s \u00e0 \u00eatre utilis\u00e9s en zone ATEX. Elle r\u00e9git le <strong>marquage<\/strong> des \u00e9quipements que nous allons d\u00e9crypter.<\/li>\n\n\n\n<li><strong>Directive ATEX 1999\/92\/CE (Ex-ATEX 137\/153)<\/strong> : Elle s&rsquo;adresse aux <strong>utilisateurs\/employeurs<\/strong> et concerne la sant\u00e9 et la s\u00e9curit\u00e9 des travailleurs. Elle impose notamment le <strong>zonage ATEX<\/strong> des sites et l&rsquo;\u00e9laboration du Document Relatif \u00e0 la Protection Contre les Explosions (DRPCE).<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Le marquage que vous lisez sur un appareil d\u00e9coule directement de la Directive 2014\/34\/UE et doit correspondre au zonage \u00e9tabli par la Directive 1999\/92\/CE.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">D\u00e9crypter le code ATEX : \u00e9tape par \u00e9tape<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un marquage ATEX complet se pr\u00e9sente sous une forme standardis\u00e9e, par exemple :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>II 2 G Ex db IIC T6 Gb<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e9cortiquons chaque \u00e9l\u00e9ment pour comprendre ce qu&rsquo;il garantit.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Le symbole (Ex) et le groupe d&rsquo;appareil<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le Symbole : L&rsquo;appareil est conforme \u00e0 la r\u00e9glementation ATEX.<\/li>\n\n\n\n<li>Le Groupe d&rsquo;Appareil :\n<ul class=\"wp-block-list\">\n<li>I : Appareils destin\u00e9s aux Mines souterraines et aux installations de surface de ces mines. Risque de grisou (m\u00e9thane) et de poussi\u00e8res combustibles.<\/li>\n\n\n\n<li>II : Appareils destin\u00e9s \u00e0 toutes les Autres Industries (p\u00e9trochimie, gaz, chimie, pharmacie, agroalimentaire, etc.). C&rsquo;est le groupe le plus courant pour les appareils connect\u00e9s.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">La cat\u00e9gorie d&rsquo;\u00e9quipement (le niveau de s\u00fbret\u00e9)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C&rsquo;est l&rsquo;information la plus cruciale. En effet, elle indique dans quelle zone de risque l&rsquo;appareil peut \u00eatre utilis\u00e9.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Cat\u00e9gorie<\/strong><\/td><td><strong>S\u00fbret\u00e9 garantie<\/strong><\/td><td><strong>Types de zone couverte<\/strong><\/td><\/tr><tr><td><strong>1<\/strong><\/td><td>Niveau de protection tr\u00e8s \u00e9lev\u00e9<\/td><td>Zone 0 (gaz) \/ Zone 20 (poussi\u00e8res)<\/td><\/tr><tr><td><strong>2<\/strong><\/td><td>Niveau de protection \u00e9lev\u00e9<\/td><td>Zone 1 (gaz) \/ Zone 21 (poussi\u00e8res)<\/td><\/tr><tr><td><strong>3<\/strong><\/td><td>Niveau de protection normal<\/td><td>Zone 2 (gaz) \/ Zone 22 (poussi\u00e8res)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Un appareil de Cat\u00e9gorie 1 peut \u00eatre utilis\u00e9 dans une Zone 0, une Zone 1 et une Zone 2. Un appareil de Cat\u00e9gorie 2 peut \u00eatre utilis\u00e9 en Zone 1 et Zone 2, mais est interdit en Zone 0.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Le type d&rsquo;atmosph\u00e8re<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>G : Atmosph\u00e8re de Gaz, Vapeurs ou Brouillards (Gas).<\/li>\n\n\n\n<li>D : Atmosph\u00e8re de Poussi\u00e8res (Dust).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Un appareil certifi\u00e9 pour les deux, le marquage affichera alors II 2 G\/D.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Le mode de protection (exemple : Ex db)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ceci indique la m\u00e9thode technique utilis\u00e9e par le fabricant pour rendre <a href=\"https:\/\/atexcom.fr\/en\/smartphones\/\">l&rsquo;appareil <\/a>s\u00fbr. En fait, c&rsquo;est une information technique essentielle.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ia\/ib : S\u00e9curit\u00e9 Intrins\u00e8que (le plus commun pour les mobiles ATEX). Le niveau d&rsquo;\u00e9nergie \u00e9lectrique est limit\u00e9 \u00e0 un niveau si bas qu&rsquo;il ne peut jamais provoquer d&rsquo;\u00e9tincelle ou de point chaud capable d&rsquo;enflammer l&rsquo;atmosph\u00e8re.<\/li>\n\n\n\n<li>d : Enveloppe Antid\u00e9flagrante. L&rsquo;explosion se produit \u00e0 l&rsquo;int\u00e9rieur d&rsquo;un bo\u00eetier con\u00e7u pour r\u00e9sister \u00e0 la pression et emp\u00eacher la propagation de la flamme \u00e0 l&rsquo;ext\u00e9rieur.<\/li>\n\n\n\n<li>e : S\u00e9curit\u00e9 Augment\u00e9e. Mesures suppl\u00e9mentaires pour emp\u00eacher les arcs \u00e9lectriques et les temp\u00e9ratures excessives.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Le groupe de gaz\/poussi\u00e8res<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ceci pr\u00e9cise le type de substance inflammable pr\u00e9sente.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Groupe Gaz (G)<\/strong><\/td><td><strong>Exemples de Gaz<\/strong><\/td><\/tr><tr><td>IIC<\/td><td>Hydrog\u00e8ne, Ac\u00e9tyl\u00e8ne (le plus restrictif, couvre aussi IIB et IIA)<\/td><\/tr><tr><td>IIB<\/td><td>\u00c9thyl\u00e8ne, Propyl\u00e8ne (couvre aussi IIA)<\/td><\/tr><tr><td>IIA<\/td><td>Propane, M\u00e9thane<\/td><\/tr><tr><td><strong>Groupe Poussi\u00e8res (D)<\/strong><\/td><td><strong>Exemples de Poussi\u00e8res<\/strong><\/td><\/tr><tr><td>IIIc<\/td><td>Fibres conductrices<\/td><\/tr><tr><td>IIIB<\/td><td>Poussi\u00e8res non conductrices<\/td><\/tr><tr><td>IIIA<\/td><td>Poussi\u00e8res combustibles<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Un appareil certifi\u00e9 IIC peut \u00eatre utilis\u00e9 dans une zone class\u00e9e IIB ou IIA.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">La classe de temp\u00e9rature (T-Code)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C&rsquo;est une garantie que la temp\u00e9rature de surface la plus \u00e9lev\u00e9e de <a href=\"https:\/\/atexcom.fr\/en\/radios\/\">l&rsquo;appareil<\/a> ne d\u00e9passera jamais cette valeur, m\u00eame en cas de d\u00e9faut, pour pr\u00e9venir l&rsquo;auto-inflammation de l&rsquo;atmosph\u00e8re.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Code<\/strong><\/td><td><strong>Temp\u00e9rature Max (\u00b0C)<\/strong><\/td><\/tr><tr><td>T1<\/td><td>450 \u00b0C<\/td><\/tr><tr><td>T2<\/td><td>300\u00b0C<\/td><\/tr><tr><td>T3<\/td><td>200\u00b0C<\/td><\/tr><tr><td>T4<\/td><td>135\u00b0C<\/td><\/tr><tr><td>T5<\/td><td>100\u00b0C<\/td><\/tr><tr><td>T6<\/td><td>85\u00b0C<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">En zone poussi\u00e9reuse (D), la temp\u00e9rature maximale est indiqu\u00e9e directement en degr\u00e9s Celsius (T85\u00b0C).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Faire le bon choix : Le processus<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;achat de votre appareil connect\u00e9 ATEX doit \u00eatre le fruit d&rsquo;une analyse rigoureuse en trois \u00e9tapes :<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Conna\u00eetre votre zone<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Lisez attentivement votre DRPCE (Document Relatif \u00e0 la Protection Contre les Explosions). Il doit indiquer pr\u00e9cis\u00e9ment le zonage de chaque secteur o\u00f9 l&rsquo;appareil sera utilis\u00e9 :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>Exemple : Atelier de m\u00e9lange peinture (Gaz) : Zone 1 (IIB T3).<\/em><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00e9rifier l&rsquo;ad\u00e9quation<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Comparez les exigences de la zone avec le marquage de l&rsquo;appareil :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Exigence de Zone : Zone 1 G (Gaz)<\/li>\n\n\n\n<li>Marquage de l&rsquo;Appareil : Doit \u00eatre Cat\u00e9gorie 2 G ou 1 G.<\/li>\n\n\n\n<li>Exigence de Temp\u00e9rature : T4 ($\\text{135}^\\circ \\text{C}$)<\/li>\n\n\n\n<li>Marquage de l&rsquo;Appareil : Doit \u00eatre T4, T5 ou T6 (car T6 est plus s\u00e9curitaire que T4).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">R\u00e8gle d&rsquo;or : L&rsquo;appareil doit toujours offrir un niveau de protection \u00e9gal ou sup\u00e9rieur \u00e0 l&rsquo;exigence de la zone. Un appareil certifi\u00e9 pour la Zone 2 (Cat\u00e9gorie 3) ne doit jamais \u00eatre introduit en Zone 1 (Cat\u00e9gorie 2).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Examiner les certificats<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le fabricant doit fournir un certificat de conformit\u00e9 CE ou UE d\u00e9livr\u00e9 par un organisme notifi\u00e9. Ce certificat, non l&rsquo;\u00e9tiquette seule, est la preuve juridique de la conformit\u00e9 de l&rsquo;appareil \u00e0 la Directive 2014\/34\/UE. Demandez et conservez toujours ce document.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">S\u00e9curit\u00e9 maximale gr\u00e2ce \u00e0 l&rsquo;expertise<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le d\u00e9cryptage du marquage ATEX est une comp\u00e9tence essentielle pour garantir la s\u00e9curit\u00e9 de vos sites. En comprenant la signification de chaque code (Groupe II, Cat\u00e9gorie 2 G, T4, Ex ia), vous assurez que le Push-to-Talk, l&rsquo;application PTI, ou tout autre appareil connect\u00e9 que vous introduisez en zone dangereuse est parfaitement adapt\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Chez AtexCom, nous vous fournissons non seulement des appareils rigoureusement certifi\u00e9s selon les normes les plus strictes (souvent IIC et T6), mais nous vous accompagnons \u00e9galement pour v\u00e9rifier l&rsquo;ad\u00e9quation de l&rsquo;\u00e9quipement avec votre DRPCE sp\u00e9cifique. Ne laissez jamais la s\u00e9curit\u00e9 au hasard ; faites le choix de l&rsquo;expertise certifi\u00e9e. Pour en savoir plus, <a href=\"https:\/\/atexcom.fr\/en\/contact\/\">contactez-nous<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Lorsque vous travaillez ou \u00e9quipez des employ\u00e9s dans des environnements o\u00f9 gaz inflammables, vapeurs, brouillards ou poussi\u00e8res combustibles peuvent cr\u00e9er une Atmosph\u00e8re Explosible (ATEX), le choix du mat\u00e9riel est la d\u00e9cision la plus critique. Un appareil non conforme ou mal adapt\u00e9 repr\u00e9sente une source d\u2019inflammation potentielle, transformant un risque latent en catastrophe. Le marquage ATEX [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3596,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4090","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>D\u00e9cryptage du Marquage ATEX - ATEXCOM<\/title>\n<meta name=\"description\" content=\"AtexCom, appareils connect\u00e9s et certifi\u00e9s Atex en France vous explique tout dans le d\u00e9cryptage du marquage Atex.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/atexcom.fr\/en\/decryptage-du-marquage-atex\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D\u00e9cryptage du Marquage ATEX - 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