{"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\/cy\/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\">Arfer Safonol ar gyfer Gollyngiadau gan Ddefnyddio'r Synhwyrydd Gollyngiadau Sbectromedr M\u00e0s yn y Modd Profi o'r Tu Mewn i'r Tu Allan<\/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=\"\/cy\/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\">Gofyn am Ddyfynbris<\/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\">Crynodeb Safonol<\/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\">Mae ASTM E493 yn diffinio arfer strwythuredig ar gyfer gwerthuso gollyngiadau mewn cydrannau seliedig gan ddefnyddio synhwyrydd gollyngiadau sbectromedr m\u00e0s yn y modd o'r tu mewn i'r tu allan. Mae diwydiannau fel microelectronig, dyfeisiau meddygol, ac offerynnau manwl yn dibynnu ar y dull hwn i gadarnhau cywirdeb pecynnau hermetig. Trwy gymhwyso egwyddorion ASTM E493, mae peirianwyr yn ennill y gallu i adnabod gollyngiadau m\u00e2n, cyfrifo cyfraddau gollyngiadau gwirioneddol, a chynnal dibynadwyedd cynnyrch.<\/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\">Disgrifiad Safonol<\/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\">Mae ASTM E493 yn ymdrin \u00e2 dyfeisiau a selir cyn profi, gan gynnwys hanner-ddargludyddion, relays, cydrannau pyrotechnegol, a synwyryddion dibynadwyedd uchel. Mae'r safon yn ei gwneud yn ofynnol i'r eitem brof gael heliwm mewn pwysedd mewnol hysbys neu gyfrwysadwy yn ystod mesur. Os na ellir llenwi'r rhan cyn ei selio, mae'r dull yn cyflwyno heliwm drwy broses bomio reoledig. Mae'r dull hwn yn sicrhau y gellir canfod hyd yn oed y llwybr lleiaf drwy wal y ddyfais.<\/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\">Mae'r ymarfer yn amlinellu dau dechneg sylfaenol:<\/p><ul><li data-start=\"2156\" data-end=\"2336\"><strong data-start=\"2204\" data-end=\"2221\">Dull Profi A<\/strong> Defnyddio bomio heliwm i gyflwyno'r nwy olrhain.<\/li><li data-start=\"2156\" data-end=\"2336\"><strong data-start=\"2273\" data-end=\"2290\">Dull Profi B<\/strong> yn defnyddio rhaglenwi \u00e2 heliwm cyn selio.<\/li><\/ul><p data-start=\"2338\" data-end=\"2533\">Yn y ddau achos, mae'r rhan wedyn yn mynd i mewn i amgaead gwac\u00e1u sy'n gysylltiedig \u00e2 synhwyrydd gollyngiadau sbectromedr m\u00e0s. Pan fo gollyngiad yn bodoli, mae'r synhwyrydd yn mesur y llif heliwm ac yn allbwn cyfradd a ddangosir.<\/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\">Dull Prawf A: Gweithdrefn Ffrwydro<\/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\">Paratoi rhan o'r prawf drwy fomio<\/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\">Mae 'bombio' yn berthnasol pan na ellir llenwi'r nwy yn fewnol yn uniongyrchol. Mae'r cydrannau seliedig yn aros mewn siambr bwysau heliwm am gyfnod penodedig. Mae amser bombio, pwysau, ac amser aros yn dylanwadu'n uniongyrchol ar sensitifrwydd. Gall rheolaeth annigonol arwain at ganlyniadau anghyson, felly mae arfer gorau yn golygu safoni'r gwerthoedd hyn ar draws sypiau.<\/p><p data-start=\"2925\" data-end=\"3330\">Ar \u00f4l bomio, rhaid i weithredwyr symud heliwm arwynebol drwy fflysio \u00e2 nitrogen neu sychu dan reolaeth. Mae'r cam hwn yn atal heliwm wedi'i amsugno rhag cynhyrchu signalau cefndir ar y synhwyrydd. Unwaith y byddant wedi'u glanhau, rhoddir y rhannau yn y casgliad profi i'w mesur. Mae peirianwyr yn cofnodi'r gyfradd gollyngiadau a ddangosir a'r amser a aeth heibio rhwng bomio a phrofi, sy'n dylanwadu ar y cyfrifiad o'r gyfradd gollyngiadau wirioneddol.<\/p><p data-start=\"3332\" data-end=\"3367\">Mae'r safon yn darparu'r hafaliad:<\/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=\"Dull Prawf ASTM E493 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\">Mae'r berthynas hon yn sicrhau bod y gyfradd ollyngiadau gwirioneddol a gyfrifwyd yn parhau i fod yn geidwadol, gan fewnosod ffactor diogelwch mewnol ar gyfer cydrannau hanfodol.<\/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\">Pan ellir llenwi'r ddyfais \u00e2 heliwm cyn ei selio, mae Dull B yn darparu llif gwaith mwy uniongyrchol. Caiff y rhan ei llenwi ar bwysau hysbys, ei selio, a'i phrofi o dan yr un amodau o'r tu mewn allan ag Dull A. Gan nad oes unrhyw ffrwydro yn digwydd, mae'r cyfrifiad yn tynnu'r cromfach gyntaf o'r hafaliad blaenorol:<\/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 Dull 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\">Gan fod y pwysedd mewnol yn hysbys, mae Dull B yn aml yn cefnogi rheolaeth ansawdd llymach ac amseroedd cylch cyflymach.<\/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\">Dull Profi B: Rhaglenwi \u00e2 Heuliwm<\/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\">rhan fwyaf o'r paratoi drwy rag-lenwi<\/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\">Arwyddoc\u00e2d ar gyfer Ansawdd a Dibynadwyedd<\/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\">Mae gweithgynhyrchwyr yn defnyddio ASTM E493 i gadarnhau bod dyfeisiau wedi'u selio'n hermetig yn atal aer, anwedd d\u0175r, a halogion rhag mynd i mewn yn y tymor hir. Gall hyd yn oed ychydig bach o ollyngiadau niweidio microelectronigau neu gydrannau meddygol sensitif dros amser. Mae gweithredu'r dull hwn yn gywir yn diogelu perfformiad yn y tymor hir ac yn lleihau methiannau yn y maes.<\/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\">Ymyriadau ac Arfer Da<\/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\">Gall gorchuddion arwyneb, baw, deunyddiau polymerig, a gweadau garw gadw heliwm yn ystod proses 'bombio'. Heb liniaru, gall y ffynonellau ymyrraeth hyn godi'r darlleniadau cefndir a chuddio gollyngiadau go iawn. Mae golchi \u00e2 nitrogen neu wresogi rheoledig yn aml yn lleihau'r pryder hwn. Mewn achosion o ollyngiadau mawr iawn neu gyfeindraethau mewnol eithriadol o fach, gall y heliwm ddianc cyn y prawf, gan ei gwneud yn ofynnol cynnal profion swigod neu ddulliau amgen ar gyfer ollyngiadau mawr yn syth ar \u00f4l tynnu o'r siambr.<\/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\">Chwilio am offer canfod gollyngiadau dibynadwy?<\/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>\u00a0Peidiwch \u00e2 cholli&#039;r cyfle i wneud y gorau o&#039;ch prosesau rheoli ansawdd gyda&#039;r offer diweddaraf.<\/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=\"\/cy\/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\">Cysylltwch \u00e2 ni<\/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>Arfer Safonol ASTM E493 ar gyfer Gollyngiadau gan Ddefnyddio'r Synhwyrydd Gollyngiadau Sbectromedr M\u00e0s yn y Modd Profi o'r Tu Mewn i'r Tu Allan Gofynnwch am Ddyfynbris Crynodeb Safonol Mae ASTM E493 yn diffinio arfer strwythuredig ar gyfer gwerthuso gollyngiadau mewn cydrannau seliedig gan ddefnyddio synhwyrydd gollyngiadau sbectromedr m\u00e0s yn y modd o'r tu mewn i'r tu allan. Mae diwydiannau fel microelectronig, dyfeisiau meddygol, ac offerynnau manwl yn dibynnu ar [\u2026]","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\/cy\/standards\/astm-e493\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\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\/cy\/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 munud\" \/>\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\":\"cy\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.leakagetester.com\/standards\/astm-e493\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"cy\",\"@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\":\"cy\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.leakagetester.com\/#organization\",\"name\":\"Cell Instruments Co., Ltd.\",\"url\":\"https:\/\/www.leakagetester.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cy\",\"@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 - Profi Gollyngiadau Hel\u00efwm a Sbectromedr M\u00e0s","description":"Mae ASTM E493 yn esbonio profi gollyngiadau sbectromedr m\u00e0s o'r tu mewn i'r tu allan ar gyfer dyfeisiau wedi'u selio. Dysgwch am y dulliau, sensitifrwydd, bomio heliwm, a sut mae Cell Instruments yn cefnogi profion gollyngiadau manwl gywir.","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\/cy\/standards\/astm-e493\/","og_locale":"en_US","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\/cy\/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 munud"},"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 - Profi Gollyngiadau Hel\u00efwm a Sbectromedr M\u00e0s","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":"Mae ASTM E493 yn esbonio profi gollyngiadau sbectromedr m\u00e0s o'r tu mewn i'r tu allan ar gyfer dyfeisiau wedi'u selio. Dysgwch am y dulliau, sensitifrwydd, bomio heliwm, a sut mae Cell Instruments yn cefnogi profion gollyngiadau manwl gywir.","breadcrumb":{"@id":"https:\/\/www.leakagetester.com\/standards\/astm-e493\/#breadcrumb"},"inLanguage":"cy","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.leakagetester.com\/standards\/astm-e493\/"]}]},{"@type":"ImageObject","inLanguage":"cy","@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":"Atebion Profi Gollyngiadau","description":"OFFERYNNAU CELL 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":"cy"},{"@type":"Organization","@id":"https:\/\/www.leakagetester.com\/#organization","name":"Offerynnau Cell Co., Ltd.","url":"https:\/\/www.leakagetester.com\/","logo":{"@type":"ImageObject","inLanguage":"cy","@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\/cy\/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\/cy\/wp-json\/wp\/v2\/pages\/4445","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.leakagetester.com\/cy\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.leakagetester.com\/cy\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.leakagetester.com\/cy\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.leakagetester.com\/cy\/wp-json\/wp\/v2\/comments?post=4445"}],"version-history":[{"count":0,"href":"https:\/\/www.leakagetester.com\/cy\/wp-json\/wp\/v2\/pages\/4445\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.leakagetester.com\/cy\/wp-json\/wp\/v2\/pages\/2112"}],"wp:attachment":[{"href":"https:\/\/www.leakagetester.com\/cy\/wp-json\/wp\/v2\/media?parent=4445"}],"curies":[{"name":"gair","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}