{"id":1741,"date":"2024-10-18T12:00:16","date_gmt":"2024-10-18T12:00:16","guid":{"rendered":"https:\/\/mems.ch\/?p=1741"},"modified":"2026-06-17T10:07:20","modified_gmt":"2026-06-17T10:07:20","slug":"measuring-hydrogen-purity-gasqs","status":"publish","type":"post","link":"https:\/\/mems.ch\/de\/measuring-hydrogen-purity-gasqs\/","title":{"rendered":"Wasserstoffreinheit? gasQS!"},"content":{"rendered":"<div class=\"et_pb_section_0 et_pb_section et_section_regular et_flex_section\">\n<div class=\"et_pb_row_0 et_pb_row et_flex_row\">\n<div class=\"et_pb_column_0 et_pb_column et-last-child et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone\">\n<div class=\"et_pb_image_0 et_pb_image et_pb_module et_flex_module\"><span class=\"et_pb_image_wrap\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/mems.ch\/wp-content\/uploads\/2026\/06\/DSC_4817_transparent.webp?resize=400%2C265&#038;ssl=1\" alt=\"gasQS static inline gas sensor with ATEX Zone 1 certification, stainless steel, IP54 rated, screw-in industrial fitting\" title=\"DSC_4817_transparent\" width=\"400\" height=\"265\" srcset=\"https:\/\/i0.wp.com\/mems.ch\/wp-content\/uploads\/2026\/06\/DSC_4817_transparent.webp?w=400&amp;ssl=1 400w, https:\/\/i0.wp.com\/mems.ch\/wp-content\/uploads\/2026\/06\/DSC_4817_transparent.webp?resize=300%2C199&amp;ssl=1 300w, https:\/\/i0.wp.com\/mems.ch\/wp-content\/uploads\/2026\/06\/DSC_4817_transparent.webp?resize=18%2C12&amp;ssl=1 18w\" sizes=\"(max-width: 400px) 100vw, 400px\" class=\"wp-image-2001\" \/><\/span><\/div>\n<\/div>\n<\/div>\n\n<div class=\"et_pb_row_1 et_pb_row et_flex_row\">\n<div class=\"et_pb_column_1 et_pb_column et-last-child et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone\">\n<div class=\"et_pb_text_0 et_pb_text et_pb_bg_layout_light et_pb_module et_flex_module preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><h3 class=\"subtitle\">Zuverl\u00e4ssige, langfristig stabile Messger\u00e4te zur Echtzeitbestimmung des Wasserstoffanteils<\/h3>\n<p>Es wird erwartet, dass die Erzeugung und Nutzung von Wasserstoff in den kommenden Jahren drastisch zunehmen wird, da die Suche nach kohlenstoffarmen Alternativen zu fossilen Brennstoffen an Fahrt gewinnt. Wasserstoff kann aus erneuerbaren Energien und Wasser gewonnen werden und setzt bei der Verbrennung kein CO\u2082 frei; seine Eigenschaften unterscheiden sich jedoch so stark von denen von Erdgas, dass dies neue \u00dcberlegungen hinsichtlich der Messtechnik erforderlich macht.<\/p>\n<p>Es gibt zahlreiche unterschiedliche Normen f\u00fcr die Wasserstoffqualit\u00e4t und mindestens ebenso viele Anforderungen seitens der Endverbraucher, die ber\u00fccksichtigt werden m\u00fcssen. Diese reichen von hochreinem Wasserstoff f\u00fcr Wasserstoff-Brennstoffzellen (z. B. 99,97 %, ISO 14687-2) bis hin zu Verbrennungsanwendungen, bei denen geringere Qualit\u00e4ten (&lt;98 %) ohne Weiteres ausreichen.\n\n\n\n\n\n<h3>Die Herausforderung der Messung<\/h3>\n<p>Um sicherzustellen, dass die Reinheitsanforderungen erf\u00fcllt werden, wird die Wasserstoffqualit\u00e4t w\u00e4hrend der Produktion, des Transports und vor der Endnutzung gemessen. Bei besonders strengen Anforderungen m\u00fcssen sowohl der Wasserstoffanteil als auch die Anteile aller Verunreinigungen bestimmt werden. In diesem Fall m\u00fcssen die einzelnen Gaskomponenten direkt gemessen werden, beispielsweise mithilfe eines Gaschromatographen.<\/p>\n<p>F\u00fcr weniger anspruchsvolle Messaufgaben, wie beispielsweise die Bestimmung von Wasserstoffreinheiten in der Gr\u00f6\u00dfenordnung von 98 % oder sogar 99,5 %, oder als Online-\u00dcberwachung der Wasserstoffreinheit und Gasqualit\u00e4t k\u00f6nnen korrelative Messtechniken eine hervorragende Alternative darstellen.<\/p>\n<h3>Warum die korrelative Messung bei Wasserstoff so gut funktioniert<\/h3>\n<p>Bei korrelativen Messungen wird die Messgr\u00f6\u00dfe (z. B. die W\u00e4rmeleitf\u00e4higkeit) durch Kalibrierung mit beispielsweise dem Wasserstoffanteil in Beziehung gesetzt. Messger\u00e4te, die auf diesen Technologien basieren, sind deutlich kosteng\u00fcnstiger (sowohl bei den Investitions- als auch bei den Betriebskosten), erfordern weniger Wartung, sind robuster und lassen sich problemlos in die bestehende Infrastruktur integrieren.<\/p>\n<p>Die physikalischen Eigenschaften von Wasserstoff unterscheiden sich stark von denen fast aller anderen Gase, weshalb korrelative Messger\u00e4te f\u00fcr Anwendungen zur Bestimmung der Wasserstoffreinheit besonders n\u00fctzlich sind. Solche Ger\u00e4te basieren in der Regel auf der Messung der W\u00e4rmeleitf\u00e4higkeit, der Schallgeschwindigkeit oder der Dichte des Gasgemischs. Messger\u00e4te, die auf der W\u00e4rmeleitf\u00e4higkeit basieren, wie beispielsweise das gasQS static von Mems AG, lassen sich leicht so konfigurieren, dass sie die W\u00e4rmeleitf\u00e4higkeit im gew\u00fcnschten Bereich messen, unabh\u00e4ngig davon, ob dieser bei 99,5\u2013100 %, 98\u2013100 % oder sogar 0\u20132 % Wasserstoff liegt. Es ist zudem pr\u00e4zise, verf\u00fcgt \u00fcber eine ausgezeichnete Langzeitstabilit\u00e4t und ist temperatur- (-20 \u00b0C \u2026 +80 \u00b0C) und druckkompensiert (0 bar \u2026 15 bar).<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n<div class=\"et_pb_row_2 et_pb_row et_flex_row\">\n<div class=\"et_pb_column_2 et_pb_column et-last-child et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone\">\n<div class=\"et_pb_image_1 et_pb_image et_pb_module et_flex_module\"><span class=\"et_pb_image_wrap\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/mems.ch\/wp-content\/uploads\/2026\/06\/thermal-conductivity.png?resize=1080%2C175&#038;ssl=1\" title=\"thermal-conductivity\" width=\"1080\" height=\"175\" srcset=\"https:\/\/mems.ch\/wp-content\/uploads\/2026\/06\/thermal-conductivity.png 1503w, https:\/\/mems.ch\/wp-content\/uploads\/2026\/06\/thermal-conductivity-1280x208.png 1280w, https:\/\/mems.ch\/wp-content\/uploads\/2026\/06\/thermal-conductivity-980x159.png 980w, https:\/\/mems.ch\/wp-content\/uploads\/2026\/06\/thermal-conductivity-480x78.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1503px, 100vw\" class=\"wp-image-1782\" \/><\/span><\/div>\n<\/div>\n<\/div>\n\n<div class=\"et_pb_row_3 et_pb_row et_flex_row\">\n<div class=\"et_pb_column_3 et_pb_column et-last-child et_flex_column et_pb_css_mix_blend_mode_passthrough et_flex_column_24_24 et_flex_column_24_24_tablet et_flex_column_24_24_phone\">\n<div class=\"et_pb_text_1 et_pb_text et_pb_bg_layout_light et_pb_module et_flex_module preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><h3>Genauigkeit, Grenzen und die Rolle korrelativer Messger\u00e4te in der Wasserstoffwirtschaft<\/h3>\n<p>Eine Eigenschaft von Korrelationsmessger\u00e4ten mit einem einzigen Messgr\u00f6\u00dfenparameter ist die Anforderung, dass das gemessene Gasgemisch quasi-bin\u00e4r sein und bei der Kalibrierung eingestellt werden muss; andernfalls k\u00f6nnen kleine Messfehler auftreten. Bei Anwendungen zur Bestimmung der Wasserstoffreinheit werden diese Fehler jedoch erheblich reduziert: Die W\u00e4rmeleitf\u00e4higkeit von Wasserstoff ist so viel h\u00f6her als die anderer Gase (mit Ausnahme von Helium), dass eine Ver\u00e4nderung des Anteils der Verunreinigungen keinen wesentlichen Einfluss auf die W\u00e4rmeleitf\u00e4higkeit des Gasgemischs und damit auf die Messgenauigkeit hat.<\/p>\n<p>Die mit der sich entwickelnden Wasserstoffwirtschaft verbundenen Herausforderungen im Messbereich sind vielf\u00e4ltig, und es gibt keine Einheitsl\u00f6sung. Korrelative Messger\u00e4te zeichnen sich durch Einfachheit, Kosteneffizienz und Robustheit aus und haben das Potenzial, eine wichtige Rolle bei L\u00f6sungen zur Messung der Wasserstoffreinheit zu spielen.<\/p>\n<p>Erfahren Sie mehr \u00fcber der <a href=\"\/de\/products\/#gasqs_static\">gasQS\u2122 static<\/a>.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Bei der Messung der Wasserstoffreinheit im Bereich von 98\u2013100 Mol-% sind korrelative Messger\u00e4te den Gaschromatographen \u00fcberlegen \u2013 sie sind kosteng\u00fcnstiger, reagieren schneller und kommen ohne Tr\u00e4gergase aus. gasQS\u2122 static.<\/p>","protected":false},"author":3,"featured_media":2001,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[17],"tags":[],"class_list":["post-1741","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Measuring Hydrogen Purity? 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