{"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\/sl\/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\">Standardna praksa za pu\u0161\u010danje z uporabo detektorja pu\u0161\u010danja z masnim spektrometrom v na\u010dinu testiranja od znotraj navzven<\/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=\"\/sl\/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\">Zahtevajte ponudbo<\/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\">Standardni povzetek<\/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\">ASTM E493 opredeljuje strukturirano prakso za ocenjevanje uhajanja v zaprtih sestavnih delih z uporabo detektorja uhajanja z masnim spektrometrom v na\u010dinu od znotraj navzven. Industrije, kot so mikroelektronika, medicinski pripomo\u010dki in natan\u010dni instrumenti, se zana\u0161ajo na to metodo za potrditev celovitosti hermeti\u010dnih paketov. Z uporabo na\u010del standarda ASTM E493 in\u017eenirji pridobijo mo\u017enost prepoznavanja drobnih pu\u0161\u010danj, izra\u010dunajo dejanske stopnje pu\u0161\u010danja in ohranijo zanesljivost izdelka.<\/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\">Standardni opis<\/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\">Standard ASTM E493 obravnava naprave, ki so pred testiranjem zape\u010datene, vklju\u010dno s polprevodniki, releji, pirotehni\u010dnimi komponentami in visokozanesljivimi senzorji. Standard zahteva, da preskusni izdelek med merjenjem vsebuje helij z znanim ali izra\u010dunljivim notranjim tlakom. \u010ce dela ni mogo\u010de napolniti pred zatesnitvijo, metoda vnese helij z nadzorovanim postopkom bombardiranja. Ta pristop zagotavlja, da je mogo\u010de zaznati tudi najmanj\u0161o pot skozi steno naprave.<\/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\">V praksi sta opisani dve osnovni tehniki:<\/p><ul><li data-start=\"2156\" data-end=\"2336\"><strong data-start=\"2204\" data-end=\"2221\">Preskusna metoda A<\/strong> za vnos sledilnega plina se uporablja bombardiranje s helijem.<\/li><li data-start=\"2156\" data-end=\"2336\"><strong data-start=\"2273\" data-end=\"2290\">Preskusna metoda B<\/strong> uporablja predhodno polnjenje s helijem pred zapiranjem.<\/li><\/ul><p data-start=\"2338\" data-end=\"2533\">V obeh primerih del nato vstopi v izpraznjeno ohi\u0161je, ki je povezano z detektorjem uhajanja masnega spektrometra. \u010ce pride do pu\u0161\u010danja, detektor izmeri pretok helija in izpi\u0161e prikazano hitrost.<\/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\">Preskusna metoda A: Postopek bombardiranja<\/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\">Priprava preskusnega dela z bombardiranjem<\/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\">Bombardiranje se uporablja, kadar ni mogo\u010de neposredno notranje polnjenje s plinom. Zaprte komponente ostanejo v helijevi tla\u010dni komori za vnaprej dolo\u010deno obdobje. \u010cas bombardiranja, tlak in \u010das zadr\u017eevanja neposredno vplivajo na ob\u010dutljivost. Neustrezen nadzor lahko privede do nedoslednih rezultatov, zato najbolj\u0161a praksa vklju\u010duje standardizacijo teh vrednosti za vse serije.<\/p><p data-start=\"2925\" data-end=\"3330\">Po bombardiranju morajo upravljavci odstraniti povr\u0161inski helij z izpiranjem z du\u0161ikom ali nadzorovanim su\u0161enjem. Ta korak prepre\u010di, da bi sorbirani helij povzro\u010dil signale ozadja na detektorju. Ko so deli o\u010di\u0161\u010deni, se namestijo v testno ohi\u0161je za meritve. In\u017eenirji zabele\u017eijo navedeno stopnjo uhajanja in \u010das, ki je pretekel med bombardiranjem in testiranjem, kar vpliva na izra\u010dun dejanske stopnje uhajanja.<\/p><p data-start=\"3332\" data-end=\"3367\">V standardu je navedena ena\u010dba:<\/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=\"Preskusna metoda A ASTM E493\" 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\">To razmerje zagotavlja, da je izra\u010dunana dejanska stopnja pu\u0161\u010danja konservativna, saj vsebuje vgrajen varnostni faktor za kriti\u010dne komponente.<\/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\">\u010ce je mogo\u010de napravo pred zapiranjem napolniti s helijem, metoda B omogo\u010da bolj neposreden potek dela. Del se napolni pri znanem tlaku, zape\u010dati in preskusi pod enakimi pogoji od znotraj navzven kot pri metodi A. Ker ne pride do bombardiranja, se pri izra\u010dunu odstrani prvi oklepaj iz prej\u0161nje ena\u010dbe:<\/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=\"ASTM E439, metoda B\" 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\">Ker je notranji tlak znan, metoda B pogosto omogo\u010da stro\u017eji nadzor kakovosti in hitrej\u0161i \u010das cikla.<\/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\">Preskusna metoda B: predhodno polnjenje s helijem<\/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\">priprava delov s predhodnim polnjenjem<\/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\">Pomen za kakovost in zanesljivost<\/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\">Proizvajalci s standardom ASTM E493 potrjujejo, da hermeti\u010dno zaprte naprave dolgoro\u010dno prepre\u010dujejo vdor zraka, vodne pare in onesna\u017eevalcev. \u017de minimalno uhajanje lahko s\u010dasoma uni\u010di mikroelektroniko ali ob\u010dutljive medicinske komponente. Pravilna izvedba te metode \u0161\u010diti delovanje na ni\u017eji stopnji in zmanj\u0161uje \u0161tevilo napak na terenu.<\/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\">Motnje in dobra praksa<\/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\">Povr\u0161inski premazi, umazanija, polimerni materiali in grobe teksture lahko med bombardiranjem zadr\u017eijo helij. Brez ubla\u017eitve lahko ti viri motenj pove\u010dajo od\u010ditke ozadja in zakrijejo pravo uhajanje. Pranje z du\u0161ikom ali nadzorovano segrevanje pogosto zmanj\u0161a to te\u017eavo. Pri zelo velikih pu\u0161\u010danjih ali izjemno majhnih notranjih prostorninah lahko helij uide pred testiranjem, zato je treba takoj po odstranitvi iz komore izvesti teste z mehur\u010dki ali druge metode za velika pu\u0161\u010danja.<\/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\">I\u0161\u010dete zanesljivo opremo za odkrivanje uhajanja?<\/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>\u00a0Ne zamudite prilo\u017enosti za optimizacijo svojih procesov nadzora kakovosti z najsodobnej\u0161o opremo.<\/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=\"\/sl\/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\">Kontaktirajte nas<\/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 Standardna praksa za pu\u0161\u010danje z uporabo detektorja pu\u0161\u010danja z masnim spektrometrom v na\u010dinu testiranja od znotraj navzven Zahteva za ponudbo Povzetek standarda ASTM E493 opredeljuje strukturirano prakso za ocenjevanje pu\u0161\u010danja v zaprtih sestavnih delih z uporabo detektorja pu\u0161\u010danja z masnim spektrometrom v na\u010dinu testiranja od znotraj navzven. Industrije, kot so mikroelektronika, medicinski pripomo\u010dki in natan\u010dni instrumenti, se zana\u0161ajo 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. Learn methods, sensitivity, helium bombing, and how Cell Instruments supports precision leak testing.\" \/>\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.leakagetester.com\/sl\/standards\/astm-e493\/\" \/>\n<meta property=\"og:locale\" content=\"sl_SI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ASTM E493 - Helium &amp; Mass Spectrometer Leak Testing\" \/>\n<meta property=\"og:description\" content=\"ASTM E493 explains mass spectrometer inside-out leak testing for sealed devices. Learn methods, sensitivity, helium bombing, and how Cell Instruments supports precision leak testing.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.leakagetester.com\/sl\/standards\/astm-e493\/\" \/>\n<meta property=\"og:site_name\" content=\"Leakage Tester\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/cellinstruments\/\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-11T07:28:48+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2025\/12\/ASTM-E493.webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"ASTM E493 - Helium &amp; Mass Spectrometer Leak Testing\" \/>\n<meta name=\"twitter:description\" content=\"ASTM E493 explains mass spectrometer inside-out leak testing for sealed devices. Learn methods, sensitivity, helium bombing, and how Cell Instruments supports precision leak testing.\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@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 - Helium & Mass Spectrometer Leak Testing\",\"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\":\"ASTM E493 explains mass spectrometer inside-out leak testing for sealed devices. Learn methods, sensitivity, helium bombing, and how Cell Instruments supports precision leak testing.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.leakagetester.com\/standards\/astm-e493\/#breadcrumb\"},\"inLanguage\":\"sl-SI\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.leakagetester.com\/standards\/astm-e493\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"sl-SI\",\"@id\":\"https:\/\/www.leakagetester.com\/standards\/astm-e493\/#primaryimage\",\"url\":\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2025\/12\/ASTM-E493.webp\",\"contentUrl\":\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2025\/12\/ASTM-E493.webp\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.leakagetester.com\/standards\/astm-e493\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.leakagetester.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Standards\",\"item\":\"https:\/\/www.leakagetester.com\/standards\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"ASTM E493\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.leakagetester.com\/#website\",\"url\":\"https:\/\/www.leakagetester.com\/\",\"name\":\"Leakage Testing Solutions\",\"description\":\"CELL INSTRUMENTS CO., LTD.\",\"publisher\":{\"@id\":\"https:\/\/www.leakagetester.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.leakagetester.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"sl-SI\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.leakagetester.com\/#organization\",\"name\":\"Cell Instruments Co., Ltd.\",\"url\":\"https:\/\/www.leakagetester.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"sl-SI\",\"@id\":\"https:\/\/www.leakagetester.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/05\/EN-One-Stop-Solutions-Provider.png\",\"contentUrl\":\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/05\/EN-One-Stop-Solutions-Provider.png\",\"width\":1269,\"height\":342,\"caption\":\"Cell Instruments Co., Ltd.\"},\"image\":{\"@id\":\"https:\/\/www.leakagetester.com\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/cellinstruments\/\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"ASTM E493 - Testiranje pu\u0161\u010danja helija in masnega spektrometra","description":"ASTM E493 pojasnjuje testiranje tesnosti zaprtih naprav z masnim spektrometrom od znotraj navzven. Spoznajte metode, ob\u010dutljivost, bombardiranje s helijem in kako Cell Instruments podpira natan\u010dno testiranje pu\u0161\u010danja.","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.leakagetester.com\/sl\/standards\/astm-e493\/","og_locale":"sl_SI","og_type":"article","og_title":"ASTM E493 - Helium & Mass Spectrometer Leak Testing","og_description":"ASTM E493 explains mass spectrometer inside-out leak testing for sealed devices. Learn methods, sensitivity, helium bombing, and how Cell Instruments supports precision leak testing.","og_url":"https:\/\/www.leakagetester.com\/sl\/standards\/astm-e493\/","og_site_name":"Leakage Tester","article_publisher":"https:\/\/www.facebook.com\/cellinstruments\/","article_modified_time":"2025-12-11T07:28:48+00:00","og_image":[{"url":"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2025\/12\/ASTM-E493.webp","type":"","width":"","height":""}],"twitter_card":"summary_large_image","twitter_title":"ASTM E493 - Helium & Mass Spectrometer Leak Testing","twitter_description":"ASTM E493 explains mass spectrometer inside-out leak testing for sealed devices. Learn methods, sensitivity, helium bombing, and how Cell Instruments supports precision leak testing.","twitter_misc":{"Est. reading time":"4 minute"},"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 - Testiranje pu\u0161\u010danja helija in masnega spektrometra","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":"ASTM E493 pojasnjuje testiranje tesnosti zaprtih naprav z masnim spektrometrom od znotraj navzven. Spoznajte metode, ob\u010dutljivost, bombardiranje s helijem in kako Cell Instruments podpira natan\u010dno testiranje pu\u0161\u010danja.","breadcrumb":{"@id":"https:\/\/www.leakagetester.com\/standards\/astm-e493\/#breadcrumb"},"inLanguage":"sl-SI","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.leakagetester.com\/standards\/astm-e493\/"]}]},{"@type":"ImageObject","inLanguage":"sl-SI","@id":"https:\/\/www.leakagetester.com\/standards\/astm-e493\/#primaryimage","url":"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2025\/12\/ASTM-E493.webp","contentUrl":"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2025\/12\/ASTM-E493.webp"},{"@type":"BreadcrumbList","@id":"https:\/\/www.leakagetester.com\/standards\/astm-e493\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.leakagetester.com\/"},{"@type":"ListItem","position":2,"name":"Standards","item":"https:\/\/www.leakagetester.com\/standards\/"},{"@type":"ListItem","position":3,"name":"ASTM E493"}]},{"@type":"WebSite","@id":"https:\/\/www.leakagetester.com\/#website","url":"https:\/\/www.leakagetester.com\/","name":"Re\u0161itve za testiranje pu\u0161\u010danja","description":"CELL INSTRUMENTS CO., LTD.","publisher":{"@id":"https:\/\/www.leakagetester.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.leakagetester.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"sl-SI"},{"@type":"Organization","@id":"https:\/\/www.leakagetester.com\/#organization","name":"Cell Instruments Co., Ltd.","url":"https:\/\/www.leakagetester.com\/","logo":{"@type":"ImageObject","inLanguage":"sl-SI","@id":"https:\/\/www.leakagetester.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/05\/EN-One-Stop-Solutions-Provider.png","contentUrl":"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/05\/EN-One-Stop-Solutions-Provider.png","width":1269,"height":342,"caption":"Cell Instruments Co., Ltd."},"image":{"@id":"https:\/\/www.leakagetester.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/cellinstruments\/"]}]}},"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"leakagetester","author_link":"https:\/\/www.leakagetester.com\/sl\/author\/leakagetester\/"},"uagb_comment_info":0,"uagb_excerpt":"ASTM E493 Standard Practice for Leaks Using the Mass Spectrometer Leak Detector in the Inside-Out Testing Mode Request a Quote Standard Summary ASTM E493 defines a structured practice for evaluating leakage in sealed components using a mass spectrometer leak detector in the inside-out mode. Industries such as microelectronics, medical devices, and precision instrumentation rely on&hellip;","_links":{"self":[{"href":"https:\/\/www.leakagetester.com\/sl\/wp-json\/wp\/v2\/pages\/4445","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.leakagetester.com\/sl\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.leakagetester.com\/sl\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.leakagetester.com\/sl\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.leakagetester.com\/sl\/wp-json\/wp\/v2\/comments?post=4445"}],"version-history":[{"count":0,"href":"https:\/\/www.leakagetester.com\/sl\/wp-json\/wp\/v2\/pages\/4445\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.leakagetester.com\/sl\/wp-json\/wp\/v2\/pages\/2112"}],"wp:attachment":[{"href":"https:\/\/www.leakagetester.com\/sl\/wp-json\/wp\/v2\/media?parent=4445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}