{"id":3154,"date":"2025-01-30T10:14:51","date_gmt":"2025-01-30T10:14:51","guid":{"rendered":"https:\/\/metisengineering.com\/?post_type=product&#038;p=3154"},"modified":"2026-05-05T19:11:19","modified_gmt":"2026-05-05T18:11:19","slug":"h-gardien","status":"publish","type":"product","link":"https:\/\/metisengineering.com\/fr\/product\/h-guard\/","title":{"rendered":"H Garde"},"content":{"rendered":"<p>La d\u00e9tection pr\u00e9coce des fuites d'hydrog\u00e8ne est essentielle au maintien de la s\u00e9curit\u00e9 tout au long du cycle de vie de l'hydrog\u00e8ne - de la production au stockage, au transport, \u00e0 l'utilisation dans les piles \u00e0 combustible et au H2 ICE. Avec une large plage de pr\u00e9cision comprise entre 0 et 20% et une tr\u00e8s faible consommation d'\u00e9nergie, H Guard maximise la s\u00e9curit\u00e9 et la fiabilit\u00e9 op\u00e9rationnelle.<\/p>\n<p data-pm-slice=\"1 1 []\">H Guard est un capteur CAN qui d\u00e9tecte et mesure :<\/p>\n<ul>\n<li>Hydrog\u00e8ne<\/li>\n<li>Pression absolue<\/li>\n<li>Temp\u00e9rature de l'air<\/li>\n<li>Compos\u00e9s organiques volatils (COV)<\/li>\n<li>Teneur absolue en eau de l'air<\/li>\n<li>Humidit\u00e9 relative<\/li>\n<li>Temp\u00e9rature du point de ros\u00e9e<\/li>\n<li>Charge et dur\u00e9e des chocs jusqu'\u00e0 +\/-24G (en option)<\/li>\n<\/ul>\n<p>La vitesse et l'adresse du bus CAN configurables, ainsi que le fichier CAN DBC fourni, permettent une int\u00e9gration facile dans presque tous les syst\u00e8mes \u00e0 hydrog\u00e8ne, fournissant une m\u00e9thode de d\u00e9tection des fuites d'hydrog\u00e8ne \u00e0 diff\u00e9rentes concentrations d'hydrog\u00e8ne ou une d\u00e9faillance pr\u00e9coce du bloc-batterie due \u00e0 l'\u00e9vacuation des cellules ou \u00e0 la formation d'humidit\u00e9.<\/p>\n<p>L'unit\u00e9 dispose d'un mode basse consommation dans lequel elle surveille l'environnement, mais ne transmet pas sur CAN \u00e0 moins qu'un seuil ne soit atteint ; \u00e0 ce moment-l\u00e0, elle repasse en mode d'alimentation normal. Il est \u00e9galement dot\u00e9 d'une broche de fonction de faible puissance capable de 500 mA qui peut \u00eatre d\u00e9clench\u00e9e en cas de d\u00e9passement d'un seuil programmable.<\/p>\n<p>Le connecteur d'alimentation Molex Nano-Fit \u00e0 5 broches, de taille et de masse r\u00e9duites, permet de s'interfacer facilement avec la plupart des syst\u00e8mes, y compris ceux qui utilisent de l'hydrog\u00e8ne comprim\u00e9.<\/p>\n<p>Pour une connectivit\u00e9 sans faille, H Guard fonctionne parfaitement avec l'application <a href=\"https:\/\/metisengineering.com\/product\/nano-development-kit\/\" target=\"_blank\" rel=\"noopener\">Kit de d\u00e9veloppement Nano<\/a> pour une analyse rapide du bureau<\/p>\n<p>L'unit\u00e9 a \u00e9t\u00e9 test\u00e9e selon les normes automobiles qui incluent : ISO7637-2:2011, ISO 16750- 2:2012 et ISO 16750-4:2010.<\/p>\n<p>La certification ATEX est en cours.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Int\u00e9gration facile dans les syst\u00e8mes \u00e0 hydrog\u00e8ne pour d\u00e9tecter les fuites d'hydrog\u00e8ne ou les d\u00e9faillances pr\u00e9coces du bloc-batterie dues \u00e0 l'a\u00e9ration des cellules ou \u00e0 la formation d'humidit\u00e9.<\/p>","protected":false},"featured_media":3202,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[221],"product_tag":[],"class_list":["post-3154","product","type-product","status-publish","has-post-thumbnail","product_cat-environmental-sensors","post","first","instock","taxable","shipping-taxable","purchasable","product-type-variable","has-default-attributes"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>H Guard - Metis Engineering<\/title>\n<meta name=\"description\" content=\"Easy integration into hydrogen systems to detect hydrogen leaks or early battery pack failure due to cell venting or formation of moisture. 1\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/metisengineering.com\/fr\/produit\/h-gardien\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H Guard - Metis Engineering\" \/>\n<meta property=\"og:description\" content=\"Easy integration into hydrogen systems to detect hydrogen leaks or early battery pack failure due to cell venting or formation of moisture. 1\" \/>\n<meta property=\"og:url\" content=\"https:\/\/metisengineering.com\/fr\/produit\/h-gardien\/\" \/>\n<meta property=\"og:site_name\" content=\"Metis Engineering\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-05T18:11:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/metisengineering.com\/wp-content\/uploads\/2025\/01\/HGA0PXGXHXVX-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":[\"WebPage\",\"ItemPage\"],\"@id\":\"https:\\\/\\\/metisengineering.com\\\/product\\\/h-guard\\\/\",\"url\":\"https:\\\/\\\/metisengineering.com\\\/product\\\/h-guard\\\/\",\"name\":\"H Guard - Metis Engineering\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/metisengineering.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/metisengineering.com\\\/product\\\/h-guard\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/metisengineering.com\\\/product\\\/h-guard\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/metisengineering.com\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/HGA0PXGXHXVX-1.png\",\"datePublished\":\"2025-01-30T10:14:51+00:00\",\"dateModified\":\"2026-05-05T18:11:19+00:00\",\"description\":\"Easy integration into hydrogen systems to detect hydrogen leaks or early battery pack failure due to cell venting or formation of moisture. 1\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/metisengineering.com\\\/product\\\/h-guard\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/metisengineering.com\\\/product\\\/h-guard\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/metisengineering.com\\\/product\\\/h-guard\\\/#primaryimage\",\"url\":\"https:\\\/\\\/metisengineering.com\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/HGA0PXGXHXVX-1.png\",\"contentUrl\":\"https:\\\/\\\/metisengineering.com\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/HGA0PXGXHXVX-1.png\",\"width\":1280,\"height\":1024},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/metisengineering.com\\\/product\\\/h-guard\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Products\",\"item\":\"https:\\\/\\\/metisengineering.com\\\/products\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"H Guard\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/metisengineering.com\\\/#website\",\"url\":\"https:\\\/\\\/metisengineering.com\\\/\",\"name\":\"Metis Engineering\",\"description\":\"Sensing The Future\",\"publisher\":{\"@id\":\"https:\\\/\\\/metisengineering.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/metisengineering.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/metisengineering.com\\\/#organization\",\"name\":\"Metis Engineering\",\"url\":\"https:\\\/\\\/metisengineering.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/metisengineering.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/metisengineering.com\\\/wp-content\\\/uploads\\\/2024\\\/06\\\/metis-logo-240.png\",\"contentUrl\":\"https:\\\/\\\/metisengineering.com\\\/wp-content\\\/uploads\\\/2024\\\/06\\\/metis-logo-240.png\",\"width\":240,\"height\":95,\"caption\":\"Metis Engineering\"},\"image\":{\"@id\":\"https:\\\/\\\/metisengineering.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Garde H - Metis Engineering","description":"Int\u00e9gration ais\u00e9e dans les syst\u00e8mes \u00e0 hydrog\u00e8ne pour d\u00e9tecter les fuites d'hydrog\u00e8ne ou les d\u00e9faillances pr\u00e9coces du bloc-batterie dues \u00e0 l'a\u00e9ration des cellules ou \u00e0 la formation d'humidit\u00e9. 1","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/metisengineering.com\/fr\/produit\/h-gardien\/","og_locale":"fr_FR","og_type":"article","og_title":"H Guard - Metis Engineering","og_description":"Easy integration into hydrogen systems to detect hydrogen leaks or early battery pack failure due to cell venting or formation of moisture. 1","og_url":"https:\/\/metisengineering.com\/fr\/produit\/h-gardien\/","og_site_name":"Metis Engineering","article_modified_time":"2026-05-05T18:11:19+00:00","og_image":[{"width":1280,"height":1024,"url":"https:\/\/metisengineering.com\/wp-content\/uploads\/2025\/01\/HGA0PXGXHXVX-1.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":["WebPage","ItemPage"],"@id":"https:\/\/metisengineering.com\/product\/h-guard\/","url":"https:\/\/metisengineering.com\/product\/h-guard\/","name":"Garde H - Metis Engineering","isPartOf":{"@id":"https:\/\/metisengineering.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/metisengineering.com\/product\/h-guard\/#primaryimage"},"image":{"@id":"https:\/\/metisengineering.com\/product\/h-guard\/#primaryimage"},"thumbnailUrl":"https:\/\/metisengineering.com\/wp-content\/uploads\/2025\/01\/HGA0PXGXHXVX-1.png","datePublished":"2025-01-30T10:14:51+00:00","dateModified":"2026-05-05T18:11:19+00:00","description":"Int\u00e9gration ais\u00e9e dans les syst\u00e8mes \u00e0 hydrog\u00e8ne pour d\u00e9tecter les fuites d'hydrog\u00e8ne ou les d\u00e9faillances pr\u00e9coces du bloc-batterie dues \u00e0 l'a\u00e9ration des cellules ou \u00e0 la formation d'humidit\u00e9. 1","breadcrumb":{"@id":"https:\/\/metisengineering.com\/product\/h-guard\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/metisengineering.com\/product\/h-guard\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/metisengineering.com\/product\/h-guard\/#primaryimage","url":"https:\/\/metisengineering.com\/wp-content\/uploads\/2025\/01\/HGA0PXGXHXVX-1.png","contentUrl":"https:\/\/metisengineering.com\/wp-content\/uploads\/2025\/01\/HGA0PXGXHXVX-1.png","width":1280,"height":1024},{"@type":"BreadcrumbList","@id":"https:\/\/metisengineering.com\/product\/h-guard\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Products","item":"https:\/\/metisengineering.com\/products\/"},{"@type":"ListItem","position":2,"name":"H Guard"}]},{"@type":"WebSite","@id":"https:\/\/metisengineering.com\/#website","url":"https:\/\/metisengineering.com\/","name":"Metis Engineering","description":"Pressentir l'avenir","publisher":{"@id":"https:\/\/metisengineering.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/metisengineering.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/metisengineering.com\/#organization","name":"Metis Engineering","url":"https:\/\/metisengineering.com\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/metisengineering.com\/#\/schema\/logo\/image\/","url":"https:\/\/metisengineering.com\/wp-content\/uploads\/2024\/06\/metis-logo-240.png","contentUrl":"https:\/\/metisengineering.com\/wp-content\/uploads\/2024\/06\/metis-logo-240.png","width":240,"height":95,"caption":"Metis Engineering"},"image":{"@id":"https:\/\/metisengineering.com\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/metisengineering.com\/fr\/wp-json\/wp\/v2\/product\/3154","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/metisengineering.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/metisengineering.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/metisengineering.com\/fr\/wp-json\/wp\/v2\/media\/3202"}],"wp:attachment":[{"href":"https:\/\/metisengineering.com\/fr\/wp-json\/wp\/v2\/media?parent=3154"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/metisengineering.com\/fr\/wp-json\/wp\/v2\/product_brand?post=3154"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/metisengineering.com\/fr\/wp-json\/wp\/v2\/product_cat?post=3154"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/metisengineering.com\/fr\/wp-json\/wp\/v2\/product_tag?post=3154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}