{"id":4464,"date":"2025-08-08T11:15:44","date_gmt":"2025-08-08T09:15:44","guid":{"rendered":"https:\/\/www.drwiesner.de\/glossary\/flow-standard\/"},"modified":"2026-01-14T12:06:42","modified_gmt":"2026-01-14T11:06:42","slug":"flow-standard","status":"publish","type":"glossary","link":"https:\/\/www.drwiesner.de\/en\/glossary\/flow-standard\/","title":{"rendered":"Flow Standard"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"4464\" class=\"elementor elementor-4464 elementor-2295\" data-elementor-post-type=\"glossary\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e7d8bf4 e-flex e-con-boxed e-con e-parent\" data-id=\"e7d8bf4\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e7066f0 elementor-widget elementor-widget-text-editor\" data-id=\"e7066f0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A flow standard is a special form of <a href=\"https:\/\/www.drwiesner.de\/en\/glossary\/test-leak\/\" target=\"_blank\" rel=\"noopener\">test leak<\/a> for large leak rates.<\/p><p>Test leaks are used to simulate leaks when setting or monitoring leak testing equipment.<\/p><p>They are integrated into the test circuit instead of a test object or in parallel to a leak-tight test object. A fixed flow resistance is specified by a precision throttle specially adapted to the desired leak rate. The standards are tested and delivered with a <a class=\"glossaryLink\" href=\"https:\/\/www.drwiesner.de\/en\/glossary\/calibration-2\/\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">calibration<\/a> certificate.<\/p><p>This allows measurement system analyses and machine capability studies to be carried out quickly and easily with a leak-tight master part and a suitable flow standard.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4fdc73c elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"4fdc73c\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c3fdc5c e-flex e-con-boxed e-con e-parent\" data-id=\"c3fdc5c\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-4de193f e-con-full e-flex e-con e-child\" data-id=\"4de193f\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-259e5a5 elementor-widget elementor-widget-image\" data-id=\"259e5a5\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"210\" src=\"https:\/\/www.drwiesner.de\/wp-content\/uploads\/DFN1-1-300x210.png\" class=\"attachment-medium size-medium wp-image-2299\" alt=\"\" srcset=\"https:\/\/www.drwiesner.de\/wp-content\/uploads\/DFN1-1-300x210.png 300w, https:\/\/www.drwiesner.de\/wp-content\/uploads\/DFN1-1.png 481w\" sizes=\"(max-width: 300px) 100vw, 300px\"\/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Dr. Wiesner Flow Standard<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5e6177f elementor-widget elementor-widget-text-editor\" data-id=\"5e6177f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Our flow standards are particularly characterized by easy handling and long service life.<\/p><p>On request, we also manufacture special designs or test dummies with built-in glass capillary according to customer specifications.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"pdfprnt-buttons pdfprnt-buttons-glossary pdfprnt-bottom-right\"><a href=\"https:\/\/www.drwiesner.de\/en\/wp-json\/wp\/v2\/glossary\/4464?print=pdf\" class=\"pdfprnt-button pdfprnt-button-pdf\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/www.drwiesner.de\/wp-content\/plugins\/pdf-print\/images\/pdf.png\" alt=\"image_pdf\" title=\"View PDF\"\/><span class=\"pdfprnt-button-title pdfprnt-button-pdf-title\">Download<\/span><\/a><a href=\"https:\/\/www.drwiesner.de\/en\/wp-json\/wp\/v2\/glossary\/4464?print=print\" class=\"pdfprnt-button pdfprnt-button-print\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/www.drwiesner.de\/wp-content\/plugins\/pdf-print\/images\/print.png\" alt=\"image_print\" title=\"Print Content\"\/><span class=\"pdfprnt-button-title pdfprnt-button-print-title\">Drucken<\/span><\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>A flow standard is a special form of <a class=\"glossaryLink\" href=\"https:\/\/www.drwiesner.de\/en\/glossary\/test-leak\/\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">test leak<\/a> for large leak rates. Test leaks are used to simulate leaks when setting or monitoring leak testing equipment. They are integrated into the test circuit instead of a test object or in parallel to a leak-tight test object. A fixed flow resistance is specified by [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":2299,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"glossary-categories":[],"glossary-tags":[],"class_list":["post-4464","glossary","type-glossary","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Flow Standard - Wiesner Pr\u00fcftechnik GmbH<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.drwiesner.de\/en\/glossary\/flow-standard\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Flow Standard - Wiesner Pr\u00fcftechnik GmbH\" \/>\n<meta property=\"og:description\" content=\"A flow standard is a special form of test leak for large leak rates. 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A fixed flow resistance is specified by [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.drwiesner.de\/en\/glossary\/flow-standard\/\" \/>\n<meta property=\"og:site_name\" content=\"Wiesner Pr\u00fcftechnik GmbH\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-14T11:06:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.drwiesner.de\/wp-content\/uploads\/DFN1-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"481\" \/>\n\t<meta property=\"og:image:height\" content=\"337\" \/>\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=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.drwiesner.de\/en\/glossary\/flow-standard\/\",\"url\":\"https:\/\/www.drwiesner.de\/en\/glossary\/flow-standard\/\",\"name\":\"Flow Standard - Wiesner Pr\u00fcftechnik GmbH\",\"isPartOf\":{\"@id\":\"https:\/\/www.drwiesner.de\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.drwiesner.de\/en\/glossary\/flow-standard\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.drwiesner.de\/en\/glossary\/flow-standard\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.drwiesner.de\/wp-content\/uploads\/DFN1-1.png\",\"datePublished\":\"2025-08-08T09:15:44+00:00\",\"dateModified\":\"2026-01-14T11:06:42+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.drwiesner.de\/en\/glossary\/flow-standard\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.drwiesner.de\/en\/glossary\/flow-standard\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.drwiesner.de\/en\/glossary\/flow-standard\/#primaryimage\",\"url\":\"https:\/\/www.drwiesner.de\/wp-content\/uploads\/DFN1-1.png\",\"contentUrl\":\"https:\/\/www.drwiesner.de\/wp-content\/uploads\/DFN1-1.png\",\"width\":481,\"height\":337},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.drwiesner.de\/en\/glossary\/flow-standard\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\/\/www.drwiesner.de\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Flow Standard\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.drwiesner.de\/en\/#website\",\"url\":\"https:\/\/www.drwiesner.de\/en\/\",\"name\":\"Wiesner Pr\u00fcftechnik GmbH\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.drwiesner.de\/en\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.drwiesner.de\/en\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.drwiesner.de\/en\/#organization\",\"name\":\"Wiesner Pr\u00fcftechnik GmbH\",\"url\":\"https:\/\/www.drwiesner.de\/en\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.drwiesner.de\/en\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.drwiesner.de\/wp-content\/uploads\/Logo_Wiesner-scaled-e1754748340680.png\",\"contentUrl\":\"https:\/\/www.drwiesner.de\/wp-content\/uploads\/Logo_Wiesner-scaled-e1754748340680.png\",\"width\":2560,\"height\":1250,\"caption\":\"Wiesner Pr\u00fcftechnik GmbH\"},\"image\":{\"@id\":\"https:\/\/www.drwiesner.de\/en\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/de.linkedin.com\/company\/dr.-wiesner-steuerungstechnik-gmbh\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Flow Standard - Wiesner Pr\u00fcftechnik GmbH","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:\/\/www.drwiesner.de\/en\/glossary\/flow-standard\/","og_locale":"en_US","og_type":"article","og_title":"Flow Standard - Wiesner Pr\u00fcftechnik GmbH","og_description":"A flow standard is a special form of test leak for large leak rates. 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