{"id":4445,"date":"2025-12-11T15:08:25","date_gmt":"2025-12-11T07:08:25","guid":{"rendered":"https:\/\/www.leakagetester.com\/?page_id=4445"},"modified":"2025-12-11T15:28:48","modified_gmt":"2025-12-11T07:28:48","slug":"astm-e493","status":"publish","type":"page","link":"https:\/\/www.leakagetester.com\/cs\/standards\/astm-e493\/","title":{"rendered":"ASTM E493"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"4445\" class=\"elementor elementor-4445\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-40854497 e-con-full e-flex e-con e-parent\" data-id=\"40854497\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-7b6e2650 e-con-full e-flex e-con e-child\" data-id=\"7b6e2650\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1ed62b75 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"1ed62b75\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">ASTM E493<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-649c5ca3 e-con-full e-flex e-con e-child\" data-id=\"649c5ca3\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-528d414f elementor-widget elementor-widget-heading\" data-id=\"528d414f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">Standardn\u00ed postup pro \u00faniky pomoc\u00ed detektoru \u00fanik\u016f s hmotnostn\u00edm spektrometrem v re\u017eimu testov\u00e1n\u00ed Inside-Out<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4227f1f3 elementor-tablet-align-center elementor-mobile-align-center elementor-widget__width-inherit elementor-invisible elementor-widget elementor-widget-button\" data-id=\"4227f1f3\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:200}\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/cs\/contact\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Vy\u017e\u00e1dejte si cenovou nab\u00eddku<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7f37671f e-flex e-con-boxed e-con e-parent\" data-id=\"7f37671f\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-7479e6a9 e-con-full e-flex e-con e-child\" data-id=\"7479e6a9\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2c1f01b8 elementor-widget elementor-widget-heading\" data-id=\"2c1f01b8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Standardn\u00ed shrnut\u00ed<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a7ff4e2 elementor-widget elementor-widget-text-editor\" data-id=\"a7ff4e2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"424\" data-end=\"1049\">Norma ASTM E493 definuje strukturovan\u00fd postup pro vyhodnocov\u00e1n\u00ed net\u011bsnost\u00ed v ut\u011bsn\u011bn\u00fdch sou\u010d\u00e1stech pomoc\u00ed detektoru net\u011bsnost\u00ed s hmotnostn\u00edm spektrometrem v re\u017eimu inside-out. Odv\u011btv\u00ed, jako je mikroelektronika, l\u00e9ka\u0159sk\u00e9 p\u0159\u00edstroje a p\u0159esn\u00e9 p\u0159\u00edstroje, se spol\u00e9haj\u00ed na tuto metodu, aby potvrdily neporu\u0161enost hermetick\u00fdch obal\u016f. Uplatn\u011bn\u00edm z\u00e1sad normy ASTM E493 z\u00edsk\u00e1vaj\u00ed konstrukt\u00e9\u0159i mo\u017enost identifikovat jemn\u00e9 net\u011bsnosti, vypo\u010d\u00edtat skute\u010dnou m\u00edru net\u011bsnosti a zachovat spolehlivost v\u00fdrobku.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-58d7dfdf e-con-full e-flex e-con e-child\" data-id=\"58d7dfdf\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4aba77f5 elementor-widget elementor-widget-image\" data-id=\"4aba77f5\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.astm.org\/d3078-02r21e01.html\" target=\"_blank\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"200\" src=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2025\/12\/ASTM-E493.webp\" class=\"attachment-medium size-medium wp-image-4448\" alt=\"ASTM E493\" srcset=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2025\/12\/ASTM-E493.webp 600w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2025\/12\/ASTM-E493-18x6.webp 18w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\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-38d9a2dc e-flex e-con-boxed e-con e-parent\" data-id=\"38d9a2dc\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-22b1040c e-con-full e-flex e-con e-child\" data-id=\"22b1040c\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2c1b4a01 elementor-widget elementor-widget-heading\" data-id=\"2c1b4a01\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Standardn\u00ed popis<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2dbe846b elementor-widget elementor-widget-text-editor\" data-id=\"2dbe846b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1686\" data-end=\"2154\">Norma ASTM E493 se zab\u00fdv\u00e1 za\u0159\u00edzen\u00edmi zape\u010det\u011bn\u00fdmi p\u0159ed zkou\u0161kou, v\u010detn\u011b polovodi\u010d\u016f, rel\u00e9, pyrotechnick\u00fdch sou\u010d\u00e1stek a vysoce spolehliv\u00fdch senzor\u016f. Norma vy\u017eaduje, aby zku\u0161ebn\u00ed p\u0159edm\u011bt obsahoval b\u011bhem m\u011b\u0159en\u00ed helium o zn\u00e1m\u00e9m nebo vypo\u010ditateln\u00e9m vnit\u0159n\u00edm tlaku. Pokud nelze sou\u010d\u00e1st naplnit p\u0159ed ut\u011bsn\u011bn\u00edm, metoda zav\u00e1d\u00ed helium \u0159\u00edzen\u00fdm bombardov\u00e1n\u00edm. Tento p\u0159\u00edstup zaji\u0161\u0165uje, \u017ee lze detekovat i tu nejmen\u0161\u00ed cesti\u010dku skrz st\u011bnu za\u0159\u00edzen\u00ed.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-346b4bef e-con-full e-flex e-con e-child\" data-id=\"346b4bef\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8704851 elementor-widget elementor-widget-text-editor\" data-id=\"8704851\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"2156\" data-end=\"2336\">Praxe popisuje dv\u011b z\u00e1kladn\u00ed techniky:<\/p><ul><li data-start=\"2156\" data-end=\"2336\"><strong data-start=\"2204\" data-end=\"2221\">Zku\u0161ebn\u00ed metoda A<\/strong> pou\u017e\u00edv\u00e1 k zaveden\u00ed stopovac\u00edho plynu bombardov\u00e1n\u00ed heliem.<\/li><li data-start=\"2156\" data-end=\"2336\"><strong data-start=\"2273\" data-end=\"2290\">Zku\u0161ebn\u00ed metoda B<\/strong> pou\u017e\u00edv\u00e1 p\u0159edpln\u011bn\u00ed h\u00e9liem p\u0159ed ut\u011bsn\u011bn\u00edm.<\/li><\/ul><p data-start=\"2338\" data-end=\"2533\">V obou p\u0159\u00edpadech pak d\u00edl vstupuje do evakuovan\u00e9ho krytu p\u0159ipojen\u00e9ho k detektoru net\u011bsnost\u00ed hmotnostn\u00edho spektrometru. V p\u0159\u00edpad\u011b net\u011bsnosti detektor zm\u011b\u0159\u00ed pr\u016ftok helia a zobraz\u00ed indikovanou rychlost.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\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-3ae6b8a e-flex e-con-boxed e-con e-parent\" data-id=\"3ae6b8a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-8f24e53 e-con-full e-flex e-con e-child\" data-id=\"8f24e53\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6905cde e-con-full e-flex e-con e-child\" data-id=\"6905cde\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-61e733b elementor-widget elementor-widget-heading\" data-id=\"61e733b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Zku\u0161ebn\u00ed metoda A: Postup bombardov\u00e1n\u00ed<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5930041 elementor-widget elementor-widget-heading\" data-id=\"5930041\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">P\u0159\u00edprava zku\u0161ebn\u00edho d\u00edlu bombardov\u00e1n\u00edm<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a52d762 e-con-full e-flex e-con e-child\" data-id=\"a52d762\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6e9e0cd elementor-widget elementor-widget-text-editor\" data-id=\"6e9e0cd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"2578\" data-end=\"2923\">Bombardov\u00e1n\u00ed se pou\u017eije, pokud nen\u00ed mo\u017en\u00e9 p\u0159\u00edm\u00e9 vnit\u0159n\u00ed pln\u011bn\u00ed plynem. Zape\u010det\u011bn\u00e9 sou\u010d\u00e1sti z\u016fst\u00e1vaj\u00ed v tlakov\u00e9 komo\u0159e s heliem po p\u0159edem stanovenou dobu. Doba bombardov\u00e1n\u00ed, tlak a doba zdr\u017een\u00ed p\u0159\u00edmo ovliv\u0148uj\u00ed citlivost. Nedostate\u010dn\u00e1 kontrola m\u016f\u017ee v\u00e9st k nekonzistentn\u00edm v\u00fdsledk\u016fm, tak\u017ee osv\u011bd\u010den\u00fd postup zahrnuje standardizaci t\u011bchto hodnot pro v\u0161echny \u0161ar\u017ee.<\/p><p data-start=\"2925\" data-end=\"3330\">Po bombardov\u00e1n\u00ed mus\u00ed obsluha odstranit povrchov\u00e9 helium proplachov\u00e1n\u00edm dus\u00edkem nebo \u0159\u00edzen\u00fdm su\u0161en\u00edm. Tento krok zabr\u00e1n\u00ed tomu, aby sorbovan\u00e9 helium vytv\u00e1\u0159elo na detektoru sign\u00e1ly pozad\u00ed. Po vy\u010di\u0161t\u011bn\u00ed se d\u00edly um\u00edst\u00ed do zku\u0161ebn\u00ed sk\u0159\u00edn\u011b k m\u011b\u0159en\u00ed. Technici zaznamen\u00e1vaj\u00ed indikovanou m\u00edru \u00faniku a dobu, kter\u00e1 uplynula mezi bombardov\u00e1n\u00edm a testov\u00e1n\u00edm, co\u017e ovliv\u0148uje v\u00fdpo\u010det skute\u010dn\u00e9 m\u00edry \u00faniku.<\/p><p data-start=\"3332\" data-end=\"3367\">Norma uv\u00e1d\u00ed rovnici:<\/p><p><img decoding=\"async\" class=\"size-full wp-image-4449 aligncenter\" src=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2025\/12\/ASTM-E493-Test-Method-A.webp\" alt=\"ASTM E493 Zku\u0161ebn\u00ed metoda A\" width=\"302\" height=\"65\" srcset=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2025\/12\/ASTM-E493-Test-Method-A.webp 302w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2025\/12\/ASTM-E493-Test-Method-A-18x4.webp 18w\" sizes=\"(max-width: 302px) 100vw, 302px\" \/><\/p><p data-start=\"3437\" data-end=\"3581\">Tento vztah zaji\u0161\u0165uje, \u017ee vypo\u010dten\u00e1 skute\u010dn\u00e1 m\u00edra \u00faniku z\u016fst\u00e1v\u00e1 konzervativn\u00ed, a obsahuje zabudovan\u00fd bezpe\u010dnostn\u00ed faktor pro kritick\u00e9 sou\u010d\u00e1sti.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\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-7b391d0 e-flex e-con-boxed e-con e-parent\" data-id=\"7b391d0\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-b327d60 e-con-full e-flex e-con e-child\" data-id=\"b327d60\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-91fcac1 elementor-widget elementor-widget-text-editor\" data-id=\"91fcac1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"3631\" data-end=\"3932\">Pokud lze p\u0159\u00edstroj p\u0159ed ut\u011bsn\u011bn\u00edm naplnit heliem, metoda B umo\u017e\u0148uje p\u0159\u00edm\u011bj\u0161\u00ed pracovn\u00ed postup. D\u00edl se napln\u00ed p\u0159i zn\u00e1m\u00e9m tlaku, ut\u011bsn\u00ed a testuje za stejn\u00fdch podm\u00ednek uvnit\u0159-venku jako metoda A. Proto\u017ee nedoch\u00e1z\u00ed k bombardov\u00e1n\u00ed, v\u00fdpo\u010det odstran\u00ed prvn\u00ed z\u00e1vorku p\u0159edchoz\u00ed rovnice:<\/p>\n<p data-start=\"3631\" data-end=\"3932\"><img decoding=\"async\" class=\"size-full wp-image-4450 aligncenter\" src=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2025\/12\/ASTM-E439-Method-B.webp\" alt=\"Metoda B podle normy ASTM E439\" width=\"150\" height=\"58\" srcset=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2025\/12\/ASTM-E439-Method-B.webp 150w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2025\/12\/ASTM-E439-Method-B-18x7.webp 18w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/p>\n<p data-start=\"3974\" data-end=\"4085\">Proto\u017ee je vnit\u0159n\u00ed tlak zn\u00e1m, metoda B \u010dasto umo\u017e\u0148uje p\u0159\u00edsn\u011bj\u0161\u00ed kontrolu kvality a zkr\u00e1cen\u00ed doby cyklu.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d9a5245 e-con-full e-flex e-con e-child\" data-id=\"d9a5245\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6cf77b9 e-con-full e-flex e-con e-child\" data-id=\"6cf77b9\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-99feec5 elementor-widget elementor-widget-heading\" data-id=\"99feec5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Zku\u0161ebn\u00ed metoda B: P\u0159edpln\u011bn\u00ed h\u00e9liem<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a8993b elementor-widget elementor-widget-heading\" data-id=\"2a8993b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">p\u0159\u00edprava d\u00edl\u016f p\u0159edpln\u011bn\u00edm<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\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-897aaf5 e-flex e-con-boxed e-con e-parent\" data-id=\"897aaf5\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-23d08cc elementor-widget elementor-widget-heading\" data-id=\"23d08cc\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">V\u00fdznam pro kvalitu a spolehlivost<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-48e4aa6 elementor-widget elementor-widget-text-editor\" data-id=\"48e4aa6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"4138\" data-end=\"4459\">V\u00fdrobci pou\u017e\u00edvaj\u00ed normu ASTM E493, aby potvrdili, \u017ee hermeticky uzav\u0159en\u00e1 za\u0159\u00edzen\u00ed dlouhodob\u011b zabra\u0148uj\u00ed vnik\u00e1n\u00ed vzduchu, vodn\u00edch par a ne\u010distot. I minim\u00e1ln\u00ed \u00fanik m\u016f\u017ee \u010dasem znehodnotit mikroelektroniku nebo citliv\u00e9 l\u00e9ka\u0159sk\u00e9 komponenty. Spr\u00e1vn\u00e9 proveden\u00ed t\u00e9to metody chr\u00e1n\u00ed n\u00e1sledn\u00fd v\u00fdkon a sni\u017euje po\u010det selh\u00e1n\u00ed v provozu.<\/p>\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-c6c9624 elementor-widget elementor-widget-heading\" data-id=\"c6c9624\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Interference a spr\u00e1vn\u00e1 praxe<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-95095df elementor-widget elementor-widget-text-editor\" data-id=\"95095df\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"4855\" data-end=\"5327\">Povrchov\u00e9 n\u00e1t\u011bry, ne\u010distoty, polymern\u00ed materi\u00e1ly a drsn\u00e9 struktury mohou p\u0159i bombardov\u00e1n\u00ed zadr\u017eovat helium. Bez zm\u00edrn\u011bn\u00ed mohou tyto zdroje ru\u0161en\u00ed zv\u00fd\u0161it hodnoty pozad\u00ed a zakr\u00fdt skute\u010dn\u00e9 \u00faniky. Prom\u00fdv\u00e1n\u00ed dus\u00edkem nebo \u0159\u00edzen\u00e9 zah\u0159\u00edv\u00e1n\u00ed \u010dasto tyto obavy sni\u017euje. V p\u0159\u00edpadech velmi velk\u00fdch \u00fanik\u016f nebo extr\u00e9mn\u011b mal\u00fdch vnit\u0159n\u00edch objem\u016f m\u016f\u017ee helium uniknout p\u0159ed testov\u00e1n\u00edm, co\u017e vy\u017eaduje bublinkov\u00e9 testy nebo alternativn\u00ed metody velk\u00fdch \u00fanik\u016f ihned po vyjmut\u00ed z komory.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\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-3a2b679a e-flex e-con-boxed e-con e-parent\" data-id=\"3a2b679a\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-38014124 elementor-widget elementor-widget-heading\" data-id=\"38014124\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Hled\u00e1te spolehliv\u00e9 za\u0159\u00edzen\u00ed pro detekci \u00fanik\u016f?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53b530f2 elementor-widget elementor-widget-text-editor\" data-id=\"53b530f2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u00a0Nenechte si uj\u00edt \u0161anci optimalizovat sv\u00e9 procesy kontroly kvality pomoc\u00ed nejmodern\u011bj\u0161\u00edho vybaven\u00ed.<\/p>\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-5d0c06b6 elementor-mobile-align-center elementor-align-center elementor-widget elementor-widget-button\" data-id=\"5d0c06b6\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/cs\/contact\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Kontaktujte n\u00e1s<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>ASTM E493 Standardn\u00ed postup pro m\u011b\u0159en\u00ed net\u011bsnost\u00ed pomoc\u00ed detektoru net\u011bsnost\u00ed s hmotnostn\u00edm spektrometrem v re\u017eimu testov\u00e1n\u00ed \"zevnit\u0159 ven\" Po\u017e\u00e1dat o cenovou nab\u00eddku Shrnut\u00ed normy Norma ASTM E493 definuje strukturovan\u00fd postup pro hodnocen\u00ed net\u011bsnost\u00ed v ut\u011bsn\u011bn\u00fdch sou\u010d\u00e1stech pomoc\u00ed detektoru net\u011bsnost\u00ed s hmotnostn\u00edm spektrometrem v re\u017eimu \"zevnit\u0159 ven\". Pr\u016fmyslov\u00e1 odv\u011btv\u00ed, jako je mikroelektronika, l\u00e9ka\u0159sk\u00e9 p\u0159\u00edstroje a p\u0159esn\u00e9 p\u0159\u00edstroje, se spol\u00e9haj\u00ed na [...]","protected":false},"author":2,"featured_media":0,"parent":2112,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":{"_uag_custom_page_level_css":"","footnotes":""},"class_list":["post-4445","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ASTM E493 - Helium &amp; Mass Spectrometer Leak Testing<\/title>\n<meta name=\"description\" content=\"ASTM E493 explains mass spectrometer inside-out leak testing for sealed devices. 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Learn methods, sensitivity, helium bombing, and how Cell Instruments supports precision leak testing.","twitter_misc":{"Odhadovan\u00e1 doba \u010dten\u00ed":"4 minuty"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.leakagetester.com\/standards\/astm-e493\/","url":"https:\/\/www.leakagetester.com\/standards\/astm-e493\/","name":"ASTM E493 - Testov\u00e1n\u00ed t\u011bsnosti helia a hmotnostn\u00edch spektrometr\u016f","isPartOf":{"@id":"https:\/\/www.leakagetester.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.leakagetester.com\/standards\/astm-e493\/#primaryimage"},"image":{"@id":"https:\/\/www.leakagetester.com\/standards\/astm-e493\/#primaryimage"},"thumbnailUrl":"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2025\/12\/ASTM-E493.webp","datePublished":"2025-12-11T07:08:25+00:00","dateModified":"2025-12-11T07:28:48+00:00","description":"Norma ASTM E493 vysv\u011btluje zkou\u0161en\u00ed t\u011bsnosti uvnit\u0159 uzav\u0159en\u00fdch za\u0159\u00edzen\u00ed pomoc\u00ed hmotnostn\u00edho spektrometru. 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Industries such as microelectronics, medical devices, and precision instrumentation rely on&hellip;","_links":{"self":[{"href":"https:\/\/www.leakagetester.com\/cs\/wp-json\/wp\/v2\/pages\/4445","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.leakagetester.com\/cs\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.leakagetester.com\/cs\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.leakagetester.com\/cs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.leakagetester.com\/cs\/wp-json\/wp\/v2\/comments?post=4445"}],"version-history":[{"count":0,"href":"https:\/\/www.leakagetester.com\/cs\/wp-json\/wp\/v2\/pages\/4445\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.leakagetester.com\/cs\/wp-json\/wp\/v2\/pages\/2112"}],"wp:attachment":[{"href":"https:\/\/www.leakagetester.com\/cs\/wp-json\/wp\/v2\/media?parent=4445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}