{"id":115514,"date":"2023-06-29T12:02:46","date_gmt":"2023-06-29T10:02:46","guid":{"rendered":"https:\/\/xm.cz\/blog\/?p=115514"},"modified":"2023-07-03T12:45:18","modified_gmt":"2023-07-03T10:45:18","slug":"vodotesnost-a-vodeodolnost-jake-jsou-rozdily","status":"publish","type":"post","link":"https:\/\/xm.cz\/blog\/vodotesnost-a-vodeodolnost-jake-jsou-rozdily\/","title":{"rendered":"Vodot\u011bsnost a vod\u011bodolnost: jak\u00e9 jsou rozd\u00edly?"},"content":{"rendered":"<p>Nejen v p&#x159;&#xED;pad&#x11B; chytr&#xFD;ch telefon&#x16F;, n&#xE1;ramk&#x16F; a hodinek, ale i u mnoha dal&#x161;&#xED;ch produkt&#x16F; se m&#x16F;&#x17E;ete setkat s term&#xED;ny <b>vodot&#x11B;snost<\/b> a <b>vod&#x11B;odolnost<\/b>. A&#x10D; se m&#x16F;&#x17E;e zd&#xE1;t, &#x17E;e znamenaj&#xED; jedno a tot&#xE9;&#x17E;, opak je pravdou &#x2013; jsou mezi nimi pom&#x11B;rn&#x11B; z&#xE1;sadn&#xED; rozd&#xED;ly. V tomto &#x10D;l&#xE1;nku v&#xE1;m vysv&#x11B;tl&#xED;me, &#x10D;&#xED;m se od sebe li&#x161;&#xED; vodot&#x11B;sn&#xE9; a vod&#x11B;odoln&#xE9; v&#xFD;robky.<\/p>\n<p>Pr&#x16F;nik kapaliny do &#xFA;trob za&#x159;&#xED;zen&#xED; je jedn&#xED;m z nej&#x10D;ast&#x11B;j&#x161;&#xED;ch zp&#x16F;sob&#x16F; po&#x161;kozen&#xED; p&#x159;enosn&#xFD;ch elektronick&#xFD;ch za&#x159;&#xED;zen&#xED;. Je tedy dobr&#xE9; hned od za&#x10D;&#xE1;tku v&#x11B;d&#x11B;t, co zvl&#xE1;dne v&#xE1;&#x161; telefon, n&#xE1;ramek &#x10D;i hodinky, a jak&#xE9; podm&#xED;nky u&#x17E; jsou nad hranic&#xED; jeho schopnost&#xED;.<\/p>\n<h2>Vodot&#x11B;snost a vod&#x11B;odolnost<\/h2>\n<p>U mnoha produkt&#x16F; m&#x16F;&#x17E;ete narazit na informaci, &#x17E;e je vod&#x11B;odoln&#xFD;, nebo dokonce vodot&#x11B;sn&#xFD;. Zjednodu&#x161;en&#x11B; &#x159;e&#x10D;eno: <b>vodot&#x11B;snost znamen&#xE1;, &#x17E;e se do za&#x159;&#xED;zen&#xED; za &#x17E;&#xE1;dn&#xFD;ch okolnost&#xED; nem&#x16F;&#x17E;e dostat voda<\/b>. I kdy&#x17E; to n&#x11B;kte&#x159;&#xED; v&#xFD;robci pou&#x17E;&#xED;vaj&#xED; jako marketingov&#xFD; obrat, skute&#x10D;nost je takov&#xE1;, &#x17E;e <b>&#x17E;&#xE1;dn&#xE9; za&#x159;&#xED;zen&#xED; nen&#xED; zcela vodot&#x11B;sn&#xE9;<\/b>. V ur&#x10D;it&#xE9;m okam&#x17E;iku v&#x161;echna opat&#x159;en&#xED; proti vod&#x11B; sel&#x17E;ou a voda se do p&#x159;&#xED;stroje dostane.<\/p>\n<figure id=\"attachment_115519\" aria-describedby=\"caption-attachment-115519\" style=\"width: 928px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/Vyrobci-casto-lakaji-na-vodotesnost-ci-vodeodolnost.png\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-115519 size-full\" src=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/Vyrobci-casto-lakaji-na-vodotesnost-ci-vodeodolnost.png\" alt=\"V&#xFD;robci &#x10D;asto l&#xE1;kaj&#xED; na zv&#xFD;&#x161;enou odolnost proti vod&#x11B;\" width=\"928\" height=\"657\" srcset=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/Vyrobci-casto-lakaji-na-vodotesnost-ci-vodeodolnost.png 928w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/Vyrobci-casto-lakaji-na-vodotesnost-ci-vodeodolnost-300x212.png 300w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/Vyrobci-casto-lakaji-na-vodotesnost-ci-vodeodolnost-768x544.png 768w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/Vyrobci-casto-lakaji-na-vodotesnost-ci-vodeodolnost-50x35.png 50w\" sizes=\"auto, (max-width: 928px) 100vw, 928px\" \/><\/a><figcaption id=\"caption-attachment-115519\" class=\"wp-caption-text\">V&#xFD;robci &#x10D;asto l&#xE1;kaj&#xED; na zv&#xFD;&#x161;enou odolnost proti vod&#x11B;<\/figcaption><\/figure>\n<p>Proto je v&#xFD;razn&#x11B; p&#x159;esn&#x11B;j&#x161;&#xED; pou&#x17E;&#xED;vat term&#xED;n <b>vod&#x11B;odolnost<\/b>. Ten ozna&#x10D;uje, &#x17E;e za&#x159;&#xED;zen&#xED; sice m&#xE1; ur&#x10D;itou ochranu proti vniknut&#xED; kapaliny, ale voda se do n&#x11B;j za ur&#x10D;it&#xFD;ch podm&#xED;nek m&#x16F;&#x17E;e dostat. Je to sice jemn&#xFD;, ale ve skute&#x10D;nosti velice d&#x16F;le&#x17E;it&#xFD; rozd&#xED;l.<\/p>\n<p>Logicky tak vyvst&#xE1;v&#xE1; ot&#xE1;zka: pokud nejsou mobiln&#xED; telefony a chytr&#xE9; hodinky vodot&#x11B;sn&#xE9;, <b>jak zjist&#xED;me, co vydr&#x17E;&#xED;<\/b>, a co u&#x17E; zav&#xE1;n&#xED; pr&#x16F;&#x161;vihem? Poj&#x10F;me se pono&#x159;it do hlubin vod&#x11B;odolnosti a pod&#xED;vat se na dv&#x11B; hlavn&#xED; normy, kter&#xE9; se pou&#x17E;&#xED;vaj&#xED; k vyj&#xE1;d&#x159;en&#xED; toho, jak je za&#x159;&#xED;zen&#xED; chr&#xE1;n&#x11B;no proti vod&#x11B;.<\/p>\n<h2>Odolnost ud&#xE1;van&#xE1; v ATM<\/h2>\n<p>Zejm&#xE9;na u chytr&#xFD;ch hodinek a n&#xE1;ramk&#x16F; v&#xFD;robci ud&#xE1;vaj&#xED; jejich <b>odolnost proti vod&#x11B; v atmosf&#xE9;r&#xE1;ch &#x2013; ATM<\/b>. Jedna atmosf&#xE9;ra se zhruba rovn&#xE1; tlaku, kter&#xFD; p&#x16F;sob&#xED; na p&#x159;edm&#x11B;t, kdy&#x17E; plave na hladin&#x11B; vody na &#xFA;rovni mo&#x159;e. Ka&#x17E;d&#xFD;ch 10 metr&#x16F; hloub&#x11B;ji se tlak zvy&#x161;uje tlak o jednu atmosf&#xE9;ru. Vodot&#x11B;snost v ATM ud&#xE1;v&#xE1; tlak sloupce vody, kter&#xFD; m&#x16F;&#x17E;e p&#x16F;sobit na za&#x159;&#xED;zen&#xED;, ani&#x17E; by do n&#x11B;j voda vnikla.<\/p>\n<p>Pokud maj&#xED; va&#x161;e chytr&#xE9; hodinky deklarovanou vodot&#x11B;snost nap&#x159;&#xED;klad 5 ATM, pak je pravd&#x11B;podobn&#x11B; m&#x16F;&#x17E;ete bez v&#x11B;t&#x161;&#xED;ch obav pou&#x17E;&#xED;vat v rekrea&#x10D;n&#xED;ch baz&#xE9;nech a p&#x159;e&#x17E;ij&#xED; i ponech&#xE1;n&#xED; na de&#x161;ti. Bohu&#x17E;el <b>neexistuje &#x17E;&#xE1;dn&#xFD; standardizovan&#xFD; test<\/b>, na jeho&#x17E; z&#xE1;klad&#x11B; by byla jasn&#x11B; definov&#xE1;na odolnost nositeln&#xE9;ho za&#x159;&#xED;zen&#xED; v ATM. N&#x11B;kte&#x159;&#xED; v&#xFD;robci proto p&#x159;ej&#xED;maj&#xED; normu ISO:22810 pou&#x17E;&#xED;vanou u tradi&#x10D;n&#xED;ch n&#xE1;ramkov&#xFD;ch hodinek.<\/p>\n<figure id=\"attachment_115517\" aria-describedby=\"caption-attachment-115517\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/U-hodinek-a-naramku-byva-vodotesnost-presneji-ale-vodeodolnost-udavana-v-atmosferach.webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-115517\" src=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/U-hodinek-a-naramku-byva-vodotesnost-presneji-ale-vodeodolnost-udavana-v-atmosferach-1024x517.webp\" alt=\"U hodinek a n&#xE1;ramk&#x16F; b&#xFD;v&#xE1; vodot&#x11B;snost (p&#x159;esn&#x11B;ji ale vod&#x11B;odolnost) ud&#xE1;v&#xE1;na v atmosf&#xE9;r&#xE1;ch\" width=\"800\" height=\"404\" srcset=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/U-hodinek-a-naramku-byva-vodotesnost-presneji-ale-vodeodolnost-udavana-v-atmosferach-1024x517.webp 1024w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/U-hodinek-a-naramku-byva-vodotesnost-presneji-ale-vodeodolnost-udavana-v-atmosferach-300x151.webp 300w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/U-hodinek-a-naramku-byva-vodotesnost-presneji-ale-vodeodolnost-udavana-v-atmosferach-768x388.webp 768w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/U-hodinek-a-naramku-byva-vodotesnost-presneji-ale-vodeodolnost-udavana-v-atmosferach-1536x775.webp 1536w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/U-hodinek-a-naramku-byva-vodotesnost-presneji-ale-vodeodolnost-udavana-v-atmosferach-2048x1034.webp 2048w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/U-hodinek-a-naramku-byva-vodotesnost-presneji-ale-vodeodolnost-udavana-v-atmosferach-50x25.webp 50w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><figcaption id=\"caption-attachment-115517\" class=\"wp-caption-text\">U hodinek a n&#xE1;ramk&#x16F; b&#xFD;v&#xE1; vodot&#x11B;snost (p&#x159;esn&#x11B;ji ale vod&#x11B;odolnost) ud&#xE1;v&#xE1;na v atmosf&#xE9;r&#xE1;ch<\/figcaption><\/figure>\n<p>A&#x10D;koli &#xFA;daj o odolnosti proti vod&#x11B; ud&#xE1;van&#xFD; v ATM ozna&#x10D;uje vod&#x11B;odolnost za&#x159;&#xED;zen&#xED;, ve skute&#x10D;nosti <b>jde o v&#xED;c ne&#x17E; jen o hloubku<\/b>. Testy se prov&#xE1;d&#x11B;j&#xED; p&#x159;i konstantn&#xED;m tlaku, co&#x17E; znamen&#xE1;, &#x17E;e se za&#x159;&#xED;zen&#xED; testuje v klidu, bez jak&#xE9;hokoli pohybu, p&#x159;i ur&#x10D;it&#xE9; &#xFA;rovni tlaku.<\/p>\n<p>To je zcela odli&#x161;n&#xE9; od re&#xE1;ln&#xFD;ch podm&#xED;nek. Zat&#xED;mco v&#xE1;&#x161; fitness tracker nap&#x159;&#xED;klad m&#x16F;&#x17E;e vydr&#x17E;et p&#xE1;d do umyvadla pln&#xE9;ho vody, m&#x16F;&#x17E;e by se rozb&#xED;t, pokud ho post&#x159;&#xED;k&#xE1;te siln&#xFD;m proudem vody z hadice nebo s n&#xED;m p&#x159;i j&#xED;zd&#x11B; na vodn&#xED;m sk&#xFA;tru naraz&#xED;te na vlnu.<\/p>\n<p>U za&#x159;&#xED;zen&#xED;, kter&#xE1; spl&#x148;uj&#xED; normu ISO:22810, znamen&#xE1; &#xFA;daj o vodot&#x11B;snosti n&#xE1;sleduj&#xED;c&#xED;:<\/p>\n<ul>\n<li>3 ATM &#x2013; Vhodn&#xE9; pro ka&#x17E;dodenn&#xED; pou&#x17E;it&#xED;, odoln&#xE9; proti st&#x159;&#xED;kaj&#xED;c&#xED; vod&#x11B; a de&#x161;ti. Nevhodn&#xE9; pro sprchov&#xE1;n&#xED;, koup&#xE1;n&#xED;, plav&#xE1;n&#xED;, &#x161;norchlov&#xE1;n&#xED;, pr&#xE1;ce spojen&#xE9; s vodou, ryba&#x159;en&#xED; a pot&#xE1;p&#x11B;n&#xED;.<\/li>\n<li>5 ATM &#x2013; Vhodn&#xE9; pro ka&#x17E;dodenn&#xED; pou&#x17E;it&#xED;, sprchov&#xE1;n&#xED;, koup&#xE1;n&#xED;, plav&#xE1;n&#xED; v m&#x11B;lk&#xE9; vod&#x11B; (<strong>nedoporu&#x10D;ujeme<\/strong>), &#x161;norchlov&#xE1;n&#xED;, pr&#xE1;ce spojen&#xE9; s vodou, ryba&#x159;en&#xED; a odoln&#xE9; proti st&#x159;&#xED;kaj&#xED;c&#xED; vod&#x11B; a de&#x161;ti. Nevhodn&#xE9; pro pot&#xE1;p&#x11B;n&#xED;.<\/li>\n<li>10 ATM &#x2013; Vhodn&#xE9; pro rekrea&#x10D;n&#xED; surfov&#xE1;n&#xED;, plav&#xE1;n&#xED;, &#x161;norchlov&#xE1;n&#xED;, placht&#x11B;n&#xED; a vodn&#xED; sporty. Nevhodn&#xE9; pro pot&#xE1;p&#x11B;n&#xED;.<\/li>\n<li>20 ATM &#x2013; Vhodn&#xE9; pro profesion&#xE1;ln&#xED; aktivity na mo&#x159;i, n&#xE1;ro&#x10D;n&#xE9; vodn&#xED; sporty odehr&#xE1;vaj&#xED;c&#xED; se na vodn&#xED; hladin&#x11B; a pot&#xE1;p&#x11B;n&#xED; bez pot&#xE1;p&#x11B;&#x10D;sk&#xE9; v&#xFD;bavy.<\/li>\n<li>30 ATM &#x2013; Vhodn&#xE9; pro profesion&#xE1;ln&#xED; aktivity na mo&#x159;i, n&#xE1;ro&#x10D;n&#xE9; vodn&#xED; sporty odehr&#xE1;vaj&#xED;c&#xED; se na vodn&#xED; hladin&#x11B; a pot&#xE1;p&#x11B;n&#xED; i s pot&#xE1;p&#x11B;&#x10D;skou v&#xFD;pravou.<\/li>\n<\/ul>\n<p>N&#x11B;kte&#x159;&#xED; v&#xFD;robci ud&#xE1;vaj&#xED; hodnotu ekvivalentem hloubky &#x2013; nap&#x159;&#xED;klad &#x201E;do 5 ATM, tj. 50 metr&#x16F;&#x201C;. Jak ale plyne z v&#xFD;&#x161;e uveden&#xE9; tabulky &#x2013; <b>v &#x17E;&#xE1;dn&#xE9;m p&#x159;&#xED;pad&#x11B; to neznamen&#xE1;<\/b>, &#x17E;e byste se s takov&#xFD;mi hodinkami mohli pot&#xE1;p&#x11B;t do hloubky a&#x17E; pades&#xE1;ti metr&#x16F;! Uveden&#xFD; &#xFA;daj pouze odpov&#xED;d&#xE1; statick&#xE9;mu tlaku v dan&#xE9; hloubce v laboratorn&#xED;ch podm&#xED;nk&#xE1;ch.<\/p>\n<h2>Odolnost ud&#xE1;van&#xE1; v IP<\/h2>\n<p>U chytr&#xFD;ch telefon&#x16F; &#x10D;ast&#x11B;ji naraz&#xED;te na &#xFA;daj o <b>zv&#xFD;&#x161;en&#xE9; odolnosti proti prachu a vod&#x11B; dle standardu IP<\/b>XY, kde X a Y jsou cel&#xE1; &#x10D;&#xED;sla. Jedn&#xE1; se o takzvan&#xFD; <a href=\"https:\/\/cs.wikipedia.org\/wiki\/Stupe%C5%88_kryt%C3%AD\" target=\"_blank\" rel=\"noopener\">stupe&#x148; kryt&#xED;<\/a>. Na rozd&#xED;l od nositeln&#xFD;ch za&#x159;&#xED;zen&#xED; se u chytr&#xFD;ch telefon&#x16F; prov&#xE1;d&#x11B;j&#xED; standardizovan&#xE9; testy odolnosti. Ty jsou stanoveny Mezin&#xE1;rodn&#xED; elektrotechnickou komis&#xED; (IEC) a naz&#xFD;vaj&#xED; se mezin&#xE1;rodn&#xED; normy ochrany nebo ochrany proti vniknut&#xED;.<\/p>\n<p>Nap&#x159;&#xED;klad iPhone 12 m&#xE1; stupe&#x148; kryt&#xED; IP68. V t&#x11B;chto dvou &#x10D;&#xED;slech se prvn&#xED; &#x10D;&#xED;slice vztahuje k ochran&#x11B; proti prachu. U t&#xE9; je nejvy&#x161;&#x161;&#xED; hodnocen&#xED; &#x10D;&#xED;slem &#x161;est, kter&#xE9;ho dnes dosahuje v&#x11B;t&#x161;ina chytr&#xFD;ch telefon&#x16F;. Druh&#xE1; &#x10D;&#xED;slice se t&#xFD;k&#xE1; ochrany proti vod&#x11B;, p&#x159;i&#x10D;em&#x17E; nejvy&#x161;&#x161;&#xED; &#xFA;rove&#x148; je hodnocena &#x10D;&#xED;slem 9. V&#x11B;t&#x161;ina chytr&#xFD;ch telefon&#x16F; dnes nab&#xED;z&#xED; &#xFA;rove&#x148; odolnosti proti vod&#x11B; 7 nebo 8.<\/p>\n<figure id=\"attachment_115515\" aria-describedby=\"caption-attachment-115515\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/pms_1613844116.65078740800x80085.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-115515\" src=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/pms_1613844116.65078740800x80085.jpg\" alt=\"V&#xFD;robce ud&#xE1;v&#xE1; vodot&#x11B;snost, ve skute&#x10D;nosti jde v&#x161;ak o vod&#x11B;odolnost\" width=\"800\" height=\"800\" srcset=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/pms_1613844116.65078740800x80085.jpg 800w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/pms_1613844116.65078740800x80085-300x300.jpg 300w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/pms_1613844116.65078740800x80085-150x150.jpg 150w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/pms_1613844116.65078740800x80085-768x768.jpg 768w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/pms_1613844116.65078740800x80085-50x50.jpg 50w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><figcaption id=\"caption-attachment-115515\" class=\"wp-caption-text\">V&#xFD;robce ud&#xE1;v&#xE1; vodot&#x11B;snost, ve skute&#x10D;nosti jde v&#x161;ak o vod&#x11B;odolnost<\/figcaption><\/figure>\n<p>Jednotliv&#xE1; &#x10D;&#xED;sla ozna&#x10D;uj&#xED;, jak&#xFD;m testem za&#x159;&#xED;zen&#xED; &#xFA;sp&#x11B;&#x161;n&#x11B; pro&#x161;lo &#x2013; &#x10D;&#xED;m vy&#x161;&#x161;&#xED; je hodnota, t&#xED;m v&#x11B;t&#x161;&#xED; je odolnost. V p&#x159;&#xED;pad&#x11B; odolnosti proti vod&#x11B; to vypad&#xE1; n&#xE1;sledovn&#x11B;:<\/p>\n<ul>\n<li>X: Za&#x159;&#xED;zen&#xED; nebylo testov&#xE1;no na odolnost v&#x16F;&#x10D;i vod&#x11B;.<\/li>\n<li>0: &#x17D;&#xE1;dn&#xE1; ochrana proti vod&#x11B;.<\/li>\n<li>1: Kapaj&#xED;c&#xED; voda nem&#xE1; &#x17E;&#xE1;dn&#xFD; vliv.<\/li>\n<li>2: Kapaj&#xED;c&#xED; voda nem&#xE1; &#x17E;&#xE1;dn&#xFD; vliv ani p&#x159;i svisl&#xE9;m dopadu, kdy&#x17E; je za&#x159;&#xED;zen&#xED; pod &#xFA;hlem 15 stup&#x148;&#x16F;.<\/li>\n<li>3: St&#x159;&#xED;kaj&#xED;c&#xED; voda nem&#xE1; &#x17E;&#xE1;dn&#xFD; vliv, ani kdy&#x17E; dopad&#xE1; pod &#xFA;hlem 60 stup&#x148;&#x16F; od svislice.<\/li>\n<li>4: St&#x159;&#xED;kaj&#xED;c&#xED; voda z jak&#xE9;hokoli sm&#x11B;ru nem&#xE1; &#x17E;&#xE1;dn&#xFD; vliv.<\/li>\n<li>5: Vodn&#xED; proud z trysky o pr&#x16F;m&#x11B;ru 6 milimetr&#x16F; nem&#xE1; &#x17E;&#xE1;dn&#xFD; vliv.<\/li>\n<li>6: Siln&#x11B;j&#x161;&#xED; proud vody z trysky o pr&#x16F;m&#x11B;ru 13 milimetr&#x16F; nem&#xE1; &#x17E;&#xE1;dn&#xFD; vliv.<\/li>\n<li>7: Pono&#x159;en&#xED; do vody o hloubce a&#x17E; 1 metr na 30 minut nem&#xE1; &#x17E;&#xE1;dn&#xFD; vliv.<\/li>\n<li>8: Pono&#x159;en&#xED; do v&#xED;ce ne&#x17E; jednoho metru vody na dobu del&#x161;&#xED; ne&#x17E; 30 minut nem&#xE1; &#x17E;&#xE1;dn&#xFD; vliv.<\/li>\n<li>9: St&#x159;&#xED;kaj&#xED;c&#xED; voda o vysok&#xE9; teplot&#x11B; a vysok&#xE9;m tlaku nem&#xE1; &#x17E;&#xE1;dn&#xFD; vliv.<\/li>\n<\/ul>\n<p>Technicky vzato je nutn&#xE9; upozornit na skute&#x10D;nost, &#x17E;e fakt, &#x17E;e za&#x159;&#xED;zen&#xED; dos&#xE1;hlo jedn&#xE9; &#xFA;rovn&#x11B; odolnosti, <b>neznamen&#xE1;, &#x17E;e bylo testov&#xE1;no na podm&#xED;nky dan&#xE9; ni&#x17E;&#x161;&#xED;mi &#xFA;rovn&#x11B;mi<\/b>. To znamen&#xE1;, &#x17E;e nap&#x159;&#xED;klad hodinky se stupn&#x11B;m kryt&#xED; IP68 sice vydr&#x17E;&#xED; pono&#x159;en&#xED; do vody, ale v&#xFD;robce nedeklaruje, &#x17E;e zvl&#xE1;dnou odolat tryskaj&#xED;c&#xED;mu proudu vody, jak definuje stupe&#x148; 6.<\/p>\n<p>Stru&#x10D;n&#x11B; &#x159;e&#x10D;eno: stupn&#x11B; kryt&#xED; IPx7 a IPx8 znamenaj&#xED;, &#x17E;e telefon <b>p&#x159;e&#x17E;ije pono&#x159;en&#xED; do vody<\/b>. Jak jsme zm&#xED;nili u hodnocen&#xED; ATM, m&#x11B;jte na pam&#x11B;ti, &#x17E;e tyto testy jsou prov&#xE1;d&#x11B;ny v &#x10D;ist&#xE9; a stojat&#xE9; vod&#x11B; za ide&#xE1;ln&#xED;ch laboratorn&#xED;ch podm&#xED;nek. To, &#x17E;e telefon vydr&#x17E;&#xED; v n&#x11B;kolika metrech vody, je&#x161;t&#x11B; neznamen&#xE1;, &#x17E;e ho m&#x16F;&#x17E;ete post&#x159;&#xED;kat siln&#xFD;m vodn&#xED;m proudem!<\/p>\n<h2>Vodot&#x11B;snost a vod&#x11B;odolnost m&#xE1; sv&#xE9; hranice<\/h2>\n<p>Jak jsme se mohli p&#x159;esv&#x11B;d&#x10D;it v&#xFD;&#x161;e, tak ka&#x17E;d&#xE9; za&#x159;&#xED;zen&#xED;, o kter&#xE9;m v&#xFD;robce tvrd&#xED;, &#x17E;e je &#x201E;vodot&#x11B;sn&#xE9;&#x201C;, <b>je ve skute&#x10D;nosti pouze vod&#x11B;odoln&#xE9;<\/b>. Existuj&#xED; p&#x159;esn&#x11B; dan&#xE9; podm&#xED;nky, za kter&#xFD;ch poskytuje ochranu proti vod&#x11B;, ale ty s sebou nesou ur&#x10D;it&#xE1; omezen&#xED;.<\/p>\n<p>Prvn&#xED;m z nich je, &#x17E;e <b>vod&#x11B;odolnost nen&#xED; trvalou vlastnost&#xED;<\/b>. Postupem &#x10D;asu &#x2013; bu&#x10F; b&#x11B;&#x17E;n&#xFD;m opot&#x159;eben&#xED;m, nebo vystaven&#xED;m telefonu nep&#x159;&#xED;zniv&#xFD;m podm&#xED;nk&#xE1;m &#x2013; m&#x16F;&#x17E;e vod&#x11B;odolnost telefonu &#x10D;i hodinek klesnout. T&#x11B;sn&#x11B;n&#xED; se mohou &#x10D;asem opot&#x159;ebovat a fyzick&#xE9; po&#x161;kozen&#xED; m&#x16F;&#x17E;e umo&#x17E;nit vod&#x11B; vstup do &#xFA;trob za&#x159;&#xED;zen&#xED;.<\/p>\n<figure id=\"attachment_115516\" aria-describedby=\"caption-attachment-115516\" style=\"width: 791px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/I-zde-vyrobce-pouzil-termin-vodotesnost-ackoli-se-jedna-o-vodeodolnost.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-115516\" src=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/I-zde-vyrobce-pouzil-termin-vodotesnost-ackoli-se-jedna-o-vodeodolnost-791x1024.jpg\" alt=\"I zde v&#xFD;robce pou&#x17E;il term&#xED;n vodot&#x11B;snost, a&#x10D;koli se jedn&#xE1; o vod&#x11B;odolnost\" width=\"791\" height=\"1024\" srcset=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/I-zde-vyrobce-pouzil-termin-vodotesnost-ackoli-se-jedna-o-vodeodolnost-791x1024.jpg 791w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/I-zde-vyrobce-pouzil-termin-vodotesnost-ackoli-se-jedna-o-vodeodolnost-232x300.jpg 232w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/I-zde-vyrobce-pouzil-termin-vodotesnost-ackoli-se-jedna-o-vodeodolnost-768x994.jpg 768w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/I-zde-vyrobce-pouzil-termin-vodotesnost-ackoli-se-jedna-o-vodeodolnost-39x50.jpg 39w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/I-zde-vyrobce-pouzil-termin-vodotesnost-ackoli-se-jedna-o-vodeodolnost.jpg 1076w\" sizes=\"auto, (max-width: 791px) 100vw, 791px\" \/><\/a><figcaption id=\"caption-attachment-115516\" class=\"wp-caption-text\">I zde v&#xFD;robce pou&#x17E;il term&#xED;n vodot&#x11B;snost, a&#x10D;koli se jedn&#xE1; o vod&#x11B;odolnost<\/figcaption><\/figure>\n<p>Z tohoto d&#x16F;vodu <b>se na po&#x161;kozen&#xED; vodou nevztahuje v&#x11B;t&#x161;ina z&#xE1;ruk<\/b>. Pokud v&#xE1;m telefon &#x10D;i chytr&#xE9; hodinky n&#x11B;kolik m&#x11B;s&#xED;c&#x16F; po zakoupen&#xED; spadnou do vody a p&#x159;estanou fungovat, pak v&#xE1;m je prodejce &#x10D;i v&#xFD;robce patrn&#x11B; nevym&#x11B;n&#xED; za nov&#xFD; kus.<\/p>\n<p>M&#x11B;jte tak&#xE9; na pam&#x11B;ti, &#x17E;e testy ochrany proti kapalin&#x11B; se prov&#xE1;d&#x11B;j&#xED; v&#xFD;hradn&#x11B; ve sladk&#xE9; vod&#x11B;. <b>&#x17D;&#xE1;dn&#xE9; elektronick&#xE9; za&#x159;&#xED;zen&#xED; byste v nem&#x11B;li br&#xE1;t do slan&#xE9; vody<\/b>, proto&#x17E;e s&#x16F;l jej m&#x16F;&#x17E;e nenapraviteln&#x11B; po&#x161;kodit. Je tak&#xE9; dobr&#xE9; si uv&#x11B;domovat, &#x17E;e odolnost IP nemus&#xED; znamenat ochranu p&#x159;ed jin&#xFD;mi tekutinami, jako je k&#xE1;va nebo kaln&#xE1; voda.<\/p>\n<h2>&#x10C;t&#x11B;te u&#x17E;ivatelsk&#xE9; p&#x159;&#xED;ru&#x10D;ky!<\/h2>\n<p>Z hlediska p&#x159;&#xED;padn&#xE9;ho uplatn&#x11B;n&#xED; z&#xE1;ruky na za&#x159;&#xED;zen&#xED; po&#x161;kozen&#xE9; pr&#x16F;nikem kapaliny <b>je nutn&#xE9; dodr&#x17E;ovat podm&#xED;nky stanoven&#xE9; v&#xFD;robcem<\/b>. Ty jsou zpravidla vyjmenovan&#xE9; v u&#x17E;ivatelsk&#xE9; p&#x159;&#xED;ru&#x10D;ce, kter&#xE1; by m&#x11B;la b&#xFD;t sou&#x10D;&#xE1;st&#xED; balen&#xED; nebo se d&#xE1; dohledat na internetu.<\/p>\n<p>Pod&#xED;vejme se na konkr&#xE9;tn&#xED; p&#x159;&#xED;klad &#x2013; n&#xE1;ramek <a href=\"https:\/\/xm.cz\/xiaomi-mi-band-7_z20584\/#29602\" target=\"_blank\" rel=\"noopener\">Xiaomi Smart Band 7<\/a> m&#xE1; v&#xFD;robcem deklarovanou odolnost proti vod&#x11B; <b>do 5 ATM<\/b>. V &#x17E;&#xE1;dn&#xE9;m p&#x159;&#xED;pad&#x11B; to v&#x161;ak neznamen&#xE1;, &#x17E;e byste se s n&#xED;m mohli bez &#xFA;hony pot&#xE1;p&#x11B;t do hloubky pades&#xE1;ti metr&#x16F; pod hladinou!<\/p>\n<p>V u&#x17E;ivatelsk&#xE9; p&#x159;&#xED;ru&#x10D;ce v&#xFD;robce doslova uv&#xE1;d&#xED;: <i>&#x201E;N&#xE1;ramek je odoln&#xFD; v&#x16F;&#x10D;i vod&#x11B; do 5ATM (50 metr&#x16F; do hloubky). Lze jej nosit v baz&#xE9;nu, p&#x159;i plav&#xE1;n&#xED; u b&#x159;ehu nebo p&#x159;i jin&#xFD;ch aktivit&#xE1;ch v m&#x11B;lk&#xE9; vod&#x11B;. Nelze jej v&#x161;ak pou&#x17E;&#xED;vat v hork&#xE9; spr&#x161;e, saun&#x11B; nebo p&#x159;i pot&#xE1;p&#x11B;n&#xED;. Krom&#x11B; toho nezapome&#x148;te, &#x17E;e p&#x159;i vodn&#xED;ch sportech nesm&#xED; na n&#xE1;ramek p&#x159;&#xED;mo p&#x16F;sobit prudk&#xE9; proudy. Funkce vod&#x11B;odolnosti nen&#xED; trval&#xE1; a m&#x16F;&#x17E;e se &#x10D;asem zhor&#x161;it.&#x201C;<\/i><\/p>\n<figure id=\"attachment_115518\" aria-describedby=\"caption-attachment-115518\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/Vodotesnost-ci-vodeodolnost-byva-definovana-v-uzivatelske-prirucce.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-115518\" src=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/Vodotesnost-ci-vodeodolnost-byva-definovana-v-uzivatelske-prirucce-1024x262.png\" alt=\"Vodot&#x11B;snost &#x10D;i vod&#x11B;odolnost b&#xFD;v&#xE1; definov&#xE1;na v u&#x17E;ivatelsk&#xE9; p&#x159;&#xED;ru&#x10D;ce\" width=\"800\" height=\"205\" srcset=\"https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/Vodotesnost-ci-vodeodolnost-byva-definovana-v-uzivatelske-prirucce-1024x262.png 1024w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/Vodotesnost-ci-vodeodolnost-byva-definovana-v-uzivatelske-prirucce-300x77.png 300w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/Vodotesnost-ci-vodeodolnost-byva-definovana-v-uzivatelske-prirucce-768x197.png 768w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/Vodotesnost-ci-vodeodolnost-byva-definovana-v-uzivatelske-prirucce-50x13.png 50w, https:\/\/xm.cz\/blog\/wp-content\/uploads\/2023\/06\/Vodotesnost-ci-vodeodolnost-byva-definovana-v-uzivatelske-prirucce.png 1297w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><figcaption id=\"caption-attachment-115518\" class=\"wp-caption-text\">Vodot&#x11B;snost &#x10D;i vod&#x11B;odolnost b&#xFD;v&#xE1; definov&#xE1;na v u&#x17E;ivatelsk&#xE9; p&#x159;&#xED;ru&#x10D;ce<\/figcaption><\/figure>\n<p>Pamatujte si tedy, &#x17E;e <strong>&#x17E;&#xE1;dn&#xE9; za&#x159;&#xED;zen&#xED; nen&#xED; zcela vodot&#x11B;sn&#xE9;<\/strong>, a&#x10D;koli se to n&#x11B;kte&#x159;&#xED; v&#xFD;robci sna&#x17E;&#xED; tvrdit. Mnohem p&#x159;esn&#x11B;j&#x161;&#xED; je term&#xED;n vod&#x11B;odolnost, kter&#xFD; ozna&#x10D;uje ochranu za&#x159;&#xED;zen&#xED; proti vniknut&#xED; kapaliny. Odpov&#xED;daj&#xED;c&#xED; hodnoty vod&#x11B;odolnosti jsou ud&#xE1;v&#xE1;ny v ATM nebo prost&#x159;ednictv&#xED;m stupn&#x11B; kryt&#xED; dle standardu IPXY. Je d&#x16F;le&#x17E;it&#xE9; si p&#x159;e&#x10D;&#xED;st a porozum&#x11B;t specifikac&#xED;m v&#xFD;robce, abyste v&#x11B;d&#x11B;li, jakou ochranu proti vod&#x11B; va&#x161;e za&#x159;&#xED;zen&#xED; poskytuje a jak&#xE9; jsou jeho limity.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>Nejen v p&#x159;&#xED;pad&#x11B; chytr&#xFD;ch telefon&#x16F;, n&#xE1;ramk&#x16F; a hodinek, ale i u mnoha dal&#x161;&#xED;ch produkt&#x16F; se m&#x16F;&#x17E;ete setkat s term&#xED;ny vodot&#x11B;snost<\/p>\n","protected":false},"author":3,"featured_media":115520,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[2],"tags":[12004,12006,12005,11694,12003,12007],"class_list":["post-115514","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-clanky","tag-atm","tag-ip","tag-stupen-kryti","tag-vodeodolnost","tag-vodotesnost","tag-zvysena-odolnost"],"wppr_data":{"cwp_meta_box_check":"No"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vodot\u011bsnost a vod\u011bodolnost: jak\u00e9 jsou rozd\u00edly?<\/title>\n<meta name=\"description\" content=\"U mnoha produkt\u016f se m\u016f\u017eete setkat s term\u00edny vodot\u011bsnost a vod\u011bodolnost. 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