{"id":54,"date":"2018-01-11T08:16:08","date_gmt":"2018-01-11T08:16:08","guid":{"rendered":"https:\/\/www.orslabs.fr\/?page_id=54"},"modified":"2025-06-22T12:01:32","modified_gmt":"2025-06-22T10:01:32","slug":"hshld-high-sensitivity-helium-leak-detection","status":"publish","type":"page","link":"https:\/\/www.orslabs.fr\/en\/hermeticity\/hshld-high-sensitivity-helium-leak-detection\/","title":{"rendered":"HSHLD Combined Dry Gross Leak, and Helium Fine Leak"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-96ze-26b5c21a9a3830af5da21ccd110921d9\">\n.flex_column.av-96ze-26b5c21a9a3830af5da21ccd110921d9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-96ze-26b5c21a9a3830af5da21ccd110921d9 av_one_full  avia-builder-el-0  el_before_av_one_full  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kkmxyhtb-6e970e8e8ee504a3c2b280095b82d39d\">\n#top .av-special-heading.av-kkmxyhtb-6e970e8e8ee504a3c2b280095b82d39d{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-kkmxyhtb-6e970e8e8ee504a3c2b280095b82d39d .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-kkmxyhtb-6e970e8e8ee504a3c2b280095b82d39d .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-kkmxyhtb-6e970e8e8ee504a3c2b280095b82d39d av-special-heading-h1 blockquote modern-quote modern-centered  avia-builder-el-1  el_before_av_heading  avia-builder-el-first  av-linked-heading'><h1 class='av-special-heading-tag'  itemprop=\"headline\"  >HSHLD<sup>\u00ae<\/sup> Combined Dry Gross Leak, and Helium Fine Leak<\/h1><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-zmde-0c5d028d33d194565bc1fd3bb334dc34\">\n#top .av-special-heading.av-zmde-0c5d028d33d194565bc1fd3bb334dc34{\npadding-bottom:10px;\ncolor:#faa277;\n}\nbody .av-special-heading.av-zmde-0c5d028d33d194565bc1fd3bb334dc34 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-zmde-0c5d028d33d194565bc1fd3bb334dc34 .special-heading-inner-border{\nborder-color:#faa277;\n}\n.av-special-heading.av-zmde-0c5d028d33d194565bc1fd3bb334dc34 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-zmde-0c5d028d33d194565bc1fd3bb334dc34 av-special-heading-h2 custom-color-heading  avia-builder-el-2  el_after_av_heading  avia-builder-el-last  av-linked-heading'><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >ORS Will Identify the Size of Your Leak<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jzbarlpe-397cf9a4297e5c220ef07bd182fdd563\">\n.flex_column.av-jzbarlpe-397cf9a4297e5c220ef07bd182fdd563{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-jzbarlpe-397cf9a4297e5c220ef07bd182fdd563 av_one_full  avia-builder-el-3  el_after_av_one_full  el_before_av_three_fourth  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-jzbau1qa-e36ba5de0b3606a476959b3abf1ec238 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>ORS uses it\u2019s <strong>HSHLD\u00ae Model 310 High Sensitivity Helium Leak Detection System to qualify your product to the latest, tighter leak rate requirements.<\/strong><\/p>\n<p>HSHLD\u00ae testing is able to provide both the FINE and GROSS leak test data in a single test sequence. Devices are typically preconditioned in a pressurized chamber and, after the required conditions are met, the leak rate is measured and recorded.<\/p>\n<p><strong>Specifications:<\/strong><\/p>\n<ul>\n<li>Helium Tracer Gas<\/li>\n<li>Pressurization range: 30-95 psia (2 to 6.5 Bar absolute)<\/li>\n<li>Minimum detection limit: &lt;1\u00b7E-12 atm\u00b7cc\/sec Helium<\/li>\n<li>Measurement method: Batch Testing or Read and Record<\/li>\n<li>Mil-Std 750 method 1071 condition H1, H2 and H3<\/li>\n<li>Mil-Std 883 method 1014 condition A1, A2 and A5<\/li>\n<li>Accurate R1 measurements verified by a 2 point linear calibration.<\/li>\n<li>No Flourocarbons Required<\/li>\n<li>Helium hermeticity testing can be modified to suit the testing requirements of your device. We have assisted many clients in creating a custom leak test plan based on their needs.<\/li>\n<\/ul>\n<p>Use our interactive tool <a href=\"https:\/\/www.orslabs.fr\/en\/tools\/howl-mann-equation\/\">Howl-Mann Equation<\/a> to compute the Pass\/Fail (R1) criteria based on your pressurization parameters.<\/p>\n<p><strong>Expanded Fine Leak for Other Gases and Compounds<\/strong><\/p>\n<p>Specialized leak testing is available for determining leak rates for gases other than helium. Leak rates of various gases (i.e. Argon, CO2, Acetic Acid, Ethylene Glycol, etc.) may be measured at low leak rates utilizing a specialized mass spectrometer tuned for the particular substance of interest. Applicable standards are normally available in a wide range of leak rates.<\/p>\n<\/div><\/section><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2283y-7443c6cb5ef0d200e7cf59933176f9c8\">\n.flex_column.av-2283y-7443c6cb5ef0d200e7cf59933176f9c8{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2283y-7443c6cb5ef0d200e7cf59933176f9c8 av_three_fourth  avia-builder-el-5  el_after_av_one_full  el_before_av_one_fourth  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-jsge3is9-45f43d67376d848750435ba7f0f7fec5 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>ORS utilizes a wide range of methods for identifying fine and gross leaks. We recommend that packages that pass the fine leak test also be tested for a gross leak, as many can pass the former and fail the latter. Identifying, locating, and addressing leaks is essential for hermetically sealed packages if you want to avoid contamination, damage and device failure.<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1dd1q-929ddbd0a0cc397e4556cc4761e76de6\">\n.flex_column.av-1dd1q-929ddbd0a0cc397e4556cc4761e76de6{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-1dd1q-929ddbd0a0cc397e4556cc4761e76de6 av_one_fourth  avia-builder-el-7  el_after_av_three_fourth  el_before_av_one_full  flex_column_div av-zero-column-padding  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jsge3w6b-7957c385e7af3bed646594b1acfb9401\">\n.avia-image-container.av-jsge3w6b-7957c385e7af3bed646594b1acfb9401 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-jsge3w6b-7957c385e7af3bed646594b1acfb9401 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-jsge3w6b-7957c385e7af3bed646594b1acfb9401 av-styling- avia-align-center  avia-builder-el-8  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-905 avia-img-lazy-loading-not-905 avia_image ' src=\"https:\/\/www.orslabs.fr\/wp-content\/uploads\/2018\/10\/gross_leak-300x225.jpg\" alt='High Sensitivity Helium Leak Detection' title='Gross leak testing'  height=\"225\" width=\"300\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.orslabs.fr\/wp-content\/uploads\/2018\/10\/gross_leak-300x225.jpg 300w, https:\/\/www.orslabs.fr\/wp-content\/uploads\/2018\/10\/gross_leak.jpg 306w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-wj6m-3a5a8bed37fe69894a635f11135c23d5\">\n.flex_column.av-wj6m-3a5a8bed37fe69894a635f11135c23d5{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-wj6m-3a5a8bed37fe69894a635f11135c23d5 av_one_full  avia-builder-el-9  el_after_av_one_fourth  el_before_av_hr  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-jsge4knp-49a8263266b525572c4e7951731019e3 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2>Fine Leak Testing<\/h2>\n<p>ORS performs seal testing per Mil-Std 883 method 1014 conditions A1 and C1, Mil-Std 750 method 1071 conditions H1 and C, Mil-Std 202 method 112 conditions C, D, A and E, and client specific requirements. Testing is also performed per Telcordia GR-1221-CORE and GR-468-CORE for passive and active devices.<\/p>\n<p>Fine leak testing is used to locate fractures in hermetic seals and can be used to test an individual seal\u2019s integrity or evaluate the seal process for your hermetic devices.<\/p>\n<p>In most cases, the device in question is preconditioned in a depressurized container. However, some devices may not need to be pressurized if they\u2019ve been sealed with a known concentration of helium. Helium atoms are small and therefore able to penetrate fine cracks in packages. As helium leaks from the pressurized device, the leak rate is measured to determine the presence of a fine leak.<\/p>\n<p>Fine leak testing is available for other gases as needed. ORS provides specialized leak testing for gases such as Argon, CO<sub>2<\/sub> and Acetic Acid. Low leak rates of these gases can be measured via mass spectrometry.<\/p>\n<h2>Gross Leak Testing<\/h2>\n<p>Gross leak tests function very differently from fine leak tests. As with the fine leak tests, the device in question is preconditioned in a pressurized container that is filled with a fluorocarbon with a low boiling point. This substance is known as the Detector. Under the pressure, the Detector fluid may penetrate the device.<\/p>\n<p>After preconditioning, the device is then submerged in another tank with a second fluorocarbon. This substance has a higher boiling point and is known as the Indicator. This tank is set at a high temperature of about 125\u00b0C. While the Indicator fluid remains inert due to its high boiling point, any Detector fluid that penetrated the cavity of the device will begin to boil. This leads to elevated pressure inside the device and results in a bubble stream that flows from the leak site.<\/p>\n<p>In some cases, the device may not need to be pressurized and is instead submerged directly in the Indicator fluid.<\/p>\n<\/div><\/section><\/div>\n<div  class='hr av-144ve-eb2fd8ceeae68812e22405583ccf06c8 hr-default  avia-builder-el-11  el_after_av_one_full  el_before_av_button '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='avia-button-wrap av-juiif0ml-cde2f1635e9eae81d6776c5c823d1d17-wrap avia-button-center  avia-builder-el-12  el_after_av_hr  avia-builder-el-last '><a href='https:\/\/www.orslabs.fr\/en\/contact\/'  class='avia-button av-juiif0ml-cde2f1635e9eae81d6776c5c823d1d17 avia-icon_select-no avia-size-small avia-position-center avia-color-theme-color'  ><span class='avia_iconbox_title' >Contact ORS<\/span><\/a><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":13,"featured_media":0,"parent":43,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-54","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - 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