{"id":17001,"date":"2026-01-17T20:33:45","date_gmt":"2026-01-17T19:33:45","guid":{"rendered":"https:\/\/soprassub.com\/?p=17001"},"modified":"2026-01-17T20:36:52","modified_gmt":"2026-01-17T19:36:52","slug":"bar-jednotka-tlaku","status":"publish","type":"post","link":"https:\/\/soprassub.com\/cs\/bar-jednotka-tlaku\/","title":{"rendered":"Bar (jednotka tlaku)"},"content":{"rendered":"\n<p>Bar je jednotka tlaku \u0161iroce pou\u017e\u00edvan\u00e1 v pot\u00e1p\u011bn\u00ed pro m\u011b\u0159en\u00ed tlaku vzduchu v lahv\u00edch, mezitlaku regul\u00e1tor\u016f a dal\u0161\u00edch technick\u00fdch parametr\u016f pot\u00e1p\u011b\u010dsk\u00e9ho vybaven\u00ed. Jeden bar odpov\u00edd\u00e1 tlaku 100 000 pascal\u016f nebo p\u0159ibli\u017en\u011b atmosf\u00e9rick\u00e9mu tlaku na hladin\u011b mo\u0159e. Jednotka bar je v pot\u00e1p\u011bn\u00ed preferov\u00e1na p\u0159ed pascalem d\u00edky praktick\u00fdm hodnot\u00e1m \u2013 tlaky v pot\u00e1p\u011b\u010dsk\u00fdch lahv\u00edch se pohybuj\u00ed typicky mezi 150\u2013300 bar, co\u017e jsou snadno zapamatovateln\u00e1 \u010d\u00edsla. Bar nen\u00ed ofici\u00e1ln\u00ed jednotkou mezin\u00e1rodn\u00edho syst\u00e9mu SI, ale je akceptov\u00e1na pro pou\u017eit\u00ed spole\u010dn\u011b s jednotkami SI. V \u010desk\u00e9m i mezin\u00e1rodn\u00edm pot\u00e1p\u011bn\u00ed se bar stal de facto standardem pro vyjad\u0159ov\u00e1n\u00ed tlaku. Ka\u017ed\u00fd pot\u00e1p\u011b\u010d se denn\u011b setk\u00e1v\u00e1 s barem p\u0159i kontrole tlaku v lahvi na <a href=\"https:\/\/soprassub.com\/cs\/product-category\/potapecske-pristroje-manometry-a-konzole\/potapecske-manometry\/\">manometru<\/a>, p\u0159i pln\u011bn\u00ed lahv\u00ed na kompresoru nebo p\u0159i specifikac\u00edch technick\u00fdch parametr\u016f v\u00fdstroje.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Definice a fyzik\u00e1ln\u00ed z\u00e1klad<\/h2>\n\n\n\n<p>Bar je definov\u00e1n jako tlak 100 000 pascal\u016f (Pa). N\u00e1zev poch\u00e1z\u00ed z \u0159eck\u00e9ho slova &#8222;baros&#8220; znamenaj\u00edc\u00ed hmotnost nebo t\u00ed\u017ee. Jednotka byla zavedena v roce 1909 a rychle se roz\u0161\u00ed\u0159ila v meteorologii a technick\u00fdch oborech.<\/p>\n\n\n\n<p>Form\u00e1ln\u00ed definice: 1 bar = 100 000 Pa = 100 kPa = 0,1 MPa<\/p>\n\n\n\n<p>Bar m\u00e1 v\u00fdhodnou vlastnost, \u017ee je velmi bl\u00edzk\u00fd standardn\u00edmu atmosf\u00e9rick\u00e9mu tlaku:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1 bar \u2248 0,987 atm<\/li>\n\n\n\n<li>1 atm = 1,01325 bar<\/li>\n<\/ul>\n\n\n\n<p>Tento nepatrn\u00fd rozd\u00edl (cca 1,3 %) je pro v\u011bt\u0161inu praktick\u00fdch v\u00fdpo\u010dt\u016f v rekrea\u010dn\u00edm pot\u00e1p\u011bn\u00ed zanedbateln\u00fd. Proto se \u010dasto zjednodu\u0161en\u011b \u0159\u00edk\u00e1 &#8222;1 bar \u2248 1 atm&#8220;, i kdy\u017e to nen\u00ed zcela p\u0159esn\u00e9.<\/p>\n\n\n\n<p><strong>Vztah k vodn\u00edmu sloupci:<\/strong> 1 bar odpov\u00edd\u00e1 p\u0159ibli\u017en\u011b tlaku vodn\u00edho sloupce vysok\u00e9ho 10 m. Pro praktick\u00e9 \u00fa\u010dely v pot\u00e1p\u011bn\u00ed se pou\u017e\u00edv\u00e1 tato aproximace bez ohledu na typ vody. P\u0159esn\u00e9 hodnoty z\u00e1vis\u00ed na hustot\u011b vody a gravita\u010dn\u00edm zrychlen\u00ed, ale rozd\u00edly jsou zanedbateln\u00e9 pro rekrea\u010dn\u00ed pot\u00e1p\u011bn\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">P\u0159evodn\u00ed vztahy<\/h2>\n\n\n\n<p>Bar se \u010dasto p\u0159ev\u00e1d\u00ed na jin\u00e9 jednotky tlaku podle kontextu pou\u017eit\u00ed.<\/p>\n\n\n\n<p><strong>Z\u00e1kladn\u00ed p\u0159evody:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1 bar = 100 000 Pa (pascal)<\/li>\n\n\n\n<li>1 bar = 0,1 MPa (megapascal)<\/li>\n\n\n\n<li>1 bar \u2248 0,987 atm (atmosf\u00e9ra)<\/li>\n\n\n\n<li>1 bar \u2248 14,5 psi (pounds per square inch)<\/li>\n\n\n\n<li>1 bar = 750,06 mmHg (milimetry rtu\u0165ov\u00e9ho sloupce)<\/li>\n\n\n\n<li>1 bar = 1 000 mbar (milibar)<\/li>\n\n\n\n<li>1 bar = 100 000 dyn\/cm\u00b2<\/li>\n<\/ul>\n\n\n\n<p><strong>Praktick\u00e9 p\u0159\u00edklady p\u0159evodu:<\/strong><\/p>\n\n\n\n<p>200 bar (typick\u00fd tlak v pln\u00e9 lahvi):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>200 bar = 20 MPa<\/li>\n\n\n\n<li>200 bar \u2248 197 atm<\/li>\n\n\n\n<li>200 bar \u2248 2 900 psi<\/li>\n<\/ul>\n\n\n\n<p>10 bar (p\u0159ibli\u017en\u00fd mezitlak nad okoln\u00ed tlak):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>10 bar = 1 MPa<\/li>\n\n\n\n<li>10 bar \u2248 9,87 atm<\/li>\n\n\n\n<li>10 bar \u2248 145 psi<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Bar vs. atmosf\u00e9ra v pot\u00e1p\u011bn\u00ed<\/h2>\n\n\n\n<p>Ob\u011b jednotky se v pot\u00e1p\u011bn\u00ed pou\u017e\u00edvaj\u00ed, ale s m\u00edrn\u011b odli\u0161n\u00fdmi \u00fa\u010dely.<\/p>\n\n\n\n<p><strong>Pou\u017eit\u00ed baru:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tlak v <a href=\"https:\/\/soprassub.com\/cs\/product-category\/lahve-ventily-a-prislusenstvi\/\">pot\u00e1p\u011b\u010dsk\u00fdch lahv\u00edch<\/a><\/li>\n\n\n\n<li>Pracovn\u00ed tlaky ventil\u016f a lahv\u00ed<\/li>\n\n\n\n<li>Mezitlak v regul\u00e1torech<\/li>\n\n\n\n<li>Testovac\u00ed tlaky v\u00fdstroje<\/li>\n\n\n\n<li>Manometrick\u00e9 \u00fadaje (manometrick\u00fd tlak)<\/li>\n<\/ul>\n\n\n\n<p><strong>Pou\u017eit\u00ed atmosf\u00e9ry:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fyziologick\u00e9 v\u00fdpo\u010dty (parci\u00e1ln\u00ed tlaky plyn\u016f)<\/li>\n\n\n\n<li>Dekompresn\u00ed pl\u00e1nov\u00e1n\u00ed<\/li>\n\n\n\n<li>Teoretick\u00e9 v\u00fdpo\u010dty spot\u0159eby vzduchu<\/li>\n\n\n\n<li>Absolutn\u00ed tlak v r\u016fzn\u00fdch hloubk\u00e1ch<\/li>\n<\/ul>\n\n\n\n<p><strong>Kl\u00ed\u010dov\u00fd rozd\u00edl:<\/strong> Bar se obvykle pou\u017e\u00edv\u00e1 pro m\u011b\u0159en\u00ed tlaku v technick\u00e9m kontextu (kolik vzduchu zb\u00fdv\u00e1 v lahvi). Atmosf\u00e9ra se pou\u017e\u00edv\u00e1 pro fyziologick\u00fd kontext (jak\u00e9mu tlaku je t\u011blo vystaveno).<\/p>\n\n\n\n<p>Manometr ukazuj\u00edc\u00ed 150 bar m\u011b\u0159\u00ed manometrick\u00fd tlak \u2013 tedy tlak nad okoln\u00ed atmosf\u00e9ru. Absolutn\u00ed tlak v lahvi je ve skute\u010dnosti p\u0159ibli\u017en\u011b 151 bar (150 bar + cca 1 bar atmosf\u00e9rick\u00e9ho tlaku), co\u017e odpov\u00edd\u00e1 p\u0159ibli\u017en\u011b 149 atm absolutn\u00edho tlaku.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tlak v pot\u00e1p\u011b\u010dsk\u00fdch lahv\u00edch<\/h2>\n\n\n\n<p>Pot\u00e1p\u011b\u010dsk\u00e9 lahve jsou konstruov\u00e1ny pro r\u016fzn\u00e9 pracovn\u00ed tlaky. Pracovn\u00ed tlak (angl. working pressure) je maxim\u00e1ln\u00ed tlak, na kter\u00fd m\u016f\u017ee b\u00fdt lahev bezpe\u010dn\u011b napln\u011bna p\u0159i b\u011b\u017en\u00e9m provozu.<\/p>\n\n\n\n<p><strong>Standardn\u00ed pracovn\u00ed tlaky:<\/strong><\/p>\n\n\n\n<p>Ocelov\u00e9 lahve:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>200 bar \u2013 nejb\u011b\u017en\u011bj\u0161\u00ed v Evrop\u011b<\/li>\n\n\n\n<li>232 bar \u2013 pou\u017e\u00edvan\u00e9 v technick\u00e9m pot\u00e1p\u011bn\u00ed<\/li>\n\n\n\n<li>300 bar \u2013 modern\u00ed vysokotlak\u00e9 lahve<\/li>\n<\/ul>\n\n\n\n<p>Hlin\u00edkov\u00e9 lahve:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>207 bar \u2013 standard v USA a n\u011bkter\u00fdch \u010d\u00e1stech Evropy<\/li>\n\n\n\n<li>230 bar \u2013 m\u00e9n\u011b b\u011b\u017en\u00e9<\/li>\n<\/ul>\n\n\n\n<p><strong>Objem lahv\u00ed:<\/strong> Lahve se ozna\u010duj\u00ed podle sv\u00e9ho vodn\u00edho objemu (objem vody, kterou pojmou) nebo podle objemu vzduchu p\u0159i norm\u00e1ln\u00edm tlaku.<\/p>\n\n\n\n<p>P\u0159\u00edklady:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>12litrov\u00e1 ocelov\u00e1 lahev na 200 bar = 2 400 litr\u016f vzduchu<\/li>\n\n\n\n<li>15litrov\u00e1 ocelov\u00e1 lahev na 200 bar = 3 000 litr\u016f vzduchu<\/li>\n\n\n\n<li>2\u00d7 12litrov\u00e1 lahev (twinset) na 200 bar = 4 800 litr\u016f vzduchu<\/li>\n<\/ul>\n\n\n\n<p>V\u00fdpo\u010det: vodn\u00ed objem \u00d7 pracovn\u00ed tlak = celkov\u00fd objem vzduchu<\/p>\n\n\n\n<p><strong>Testovac\u00ed tlak:<\/strong> Ka\u017ed\u00e1 lahev mus\u00ed b\u00fdt pravideln\u011b testov\u00e1na na vy\u0161\u0161\u00ed tlak, ne\u017e je jej\u00ed pracovn\u00ed tlak. Testovac\u00ed tlak je obvykle 1,5\u00d7 pracovn\u00ed tlak.<\/p>\n\n\n\n<p>P\u0159\u00edklady:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pracovn\u00ed tlak 200 bar \u2192 testovac\u00ed tlak 300 bar<\/li>\n\n\n\n<li>Pracovn\u00ed tlak 232 bar \u2192 testovac\u00ed tlak 348 bar<\/li>\n<\/ul>\n\n\n\n<p>Testov\u00e1n\u00ed prob\u00edh\u00e1 hydrostaticky (lahev napln\u011bn\u00e1 vodou) ve specializovan\u00fdch za\u0159\u00edzen\u00edch. Frekvence testov\u00e1n\u00ed je stanovena n\u00e1rodn\u00ed legislativou \u2013 v \u010cesk\u00e9 republice obvykle ka\u017ed\u00fdch 5 let.<\/p>\n\n\n\n<p><strong>P\u0159epl\u0148ov\u00e1n\u00ed lahv\u00ed:<\/strong> N\u011bkter\u00e9 pot\u00e1p\u011b\u010dsk\u00e9 \u0161koly nebo centra pln\u00ed lahve nad pracovn\u00ed tlak, nap\u0159\u00edklad na 220\u2013230 bar u lahv\u00ed na 200 bar. Tato praxe je kontroverzn\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kr\u00e1tkodob\u00e9 p\u0159epln\u011bn\u00ed nep\u0159edstavuje bezprost\u0159edn\u00ed nebezpe\u010d\u00ed<\/li>\n\n\n\n<li>Opakovan\u00e9 p\u0159epl\u0148ov\u00e1n\u00ed zkracuje \u017eivotnost lahve<\/li>\n\n\n\n<li>Poru\u0161uje v\u00fdrobn\u00ed specifikace<\/li>\n\n\n\n<li>M\u016f\u017ee m\u00edt d\u016fsledky pro poji\u0161t\u011bn\u00ed v p\u0159\u00edpad\u011b \u00farazu<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Bar a regul\u00e1tory<\/h2>\n\n\n\n<p>Regul\u00e1tory sni\u017euj\u00ed vysok\u00fd tlak z lahve na d\u00fdchateln\u00fd tlak v n\u011bkolika stupn\u00edch.<\/p>\n\n\n\n<p><strong>Prvn\u00ed stupe\u0148:<\/strong> Redukuje vysok\u00fd tlak z lahve (150\u2013200 bar) na mezitlak (angl. intermediate pressure):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Typicky 8\u201312 bar nad okoln\u00ed tlak<\/li>\n\n\n\n<li>Nejb\u011b\u017en\u011bji 9\u201310 bar nad okoln\u00ed tlak<\/li>\n<\/ul>\n\n\n\n<p>Mezitlak je konstantn\u00ed rozd\u00edl nad okoln\u00edm tlakem bez ohledu na tlak v lahvi. Kdy\u017e m\u00e1 lahev 200 bar na hladin\u011b, prvn\u00ed stupe\u0148 dod\u00e1v\u00e1 mezitlak cca 10 bar nad okoln\u00ed tlak (tedy absolutn\u011b cca 11 bar). V hloubce 30 m (4 bar okoln\u00edho tlaku) je mezitlak st\u00e1le 10 bar nad okoln\u00ed tlak, tedy absolutn\u011b cca 14 bar.<\/p>\n\n\n\n<p><strong>Druh\u00fd stupe\u0148:<\/strong> Redukuje mezitlak na okoln\u00ed tlak (ambient pressure). Druh\u00fd stupe\u0148 pracuje na principu popt\u00e1vkov\u00e9ho ventilu \u2013 dod\u00e1v\u00e1 vzduch pouze p\u0159i n\u00e1dechu.<\/p>\n\n\n\n<p><strong>DIN vs. INT (yoke) p\u0159ipojen\u00ed:<\/strong><\/p>\n\n\n\n<p>DIN p\u0159ipojen\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0160roubovac\u00ed p\u0159ipojen\u00ed<\/li>\n\n\n\n<li>Vy\u0161\u0161\u00ed spolehlivost p\u0159i vysok\u00fdch tlac\u00edch<\/li>\n\n\n\n<li>DIN 200 bar (G5\/8&#8243;) \u2013 standardn\u00ed<\/li>\n\n\n\n<li>DIN 300 bar \u2013 pro vysokotlak\u00e9 lahve<\/li>\n\n\n\n<li>Pou\u017e\u00edvan\u00e9 p\u0159edev\u0161\u00edm v Evrop\u011b a technick\u00e9m pot\u00e1p\u011bn\u00ed<\/li>\n<\/ul>\n\n\n\n<p>INT (yoke, t\u0159men):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sv\u011brn\u00e9 p\u0159ipojen\u00ed p\u0159es t\u0159men<\/li>\n\n\n\n<li>Limit p\u0159ibli\u017en\u011b 230 bar<\/li>\n\n\n\n<li>Jednodu\u0161\u0161\u00ed mont\u00e1\u017e\/demont\u00e1\u017e<\/li>\n\n\n\n<li>Roz\u0161\u00ed\u0159en\u00e9 v USA, Karibiku, Asii<\/li>\n<\/ul>\n\n\n\n<p><strong>Testov\u00e1n\u00ed regul\u00e1tor\u016f:<\/strong> Regul\u00e1tory se testuj\u00ed v servisn\u00edch st\u0159edisc\u00edch na speci\u00e1ln\u00edch testovac\u00edch p\u0159\u00edstroj\u00edch. M\u011b\u0159\u00ed se:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Otev\u00edrac\u00ed tlak (cracking pressure) \u2013 obvykle 1\u20132 mbar<\/li>\n\n\n\n<li>Pr\u016ftok vzduchu p\u0159i r\u016fzn\u00fdch tlac\u00edch<\/li>\n\n\n\n<li>Hermeti\u010dnost sedel ventil\u016f<\/li>\n\n\n\n<li>Funk\u010dnost p\u0159i r\u016fzn\u00fdch teplot\u00e1ch<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdpo\u010dty spot\u0159eby vzduchu<\/h2>\n\n\n\n<p>Bar je z\u00e1kladn\u00ed jednotkou pro v\u00fdpo\u010dty spot\u0159eby vzduchu b\u011bhem ponoru.<\/p>\n\n\n\n<p><strong>Surface Air Consumption (SAC):<\/strong> Pr\u016fm\u011brn\u00e1 spot\u0159eba tlaku z lahve za minutu p\u0159epo\u010dten\u00e1 na hladinu. R\u016fzn\u00e9 metodiky moj\u0105 m\u00edrn\u011b odli\u0161n\u00e9 definice, zde pou\u017e\u00edv\u00e1me zjednodu\u0161en\u00fd p\u0159\u00edstup pro praktick\u00e9 pl\u00e1nov\u00e1n\u00ed.<\/p>\n\n\n\n<p>Zjednodu\u0161en\u00fd vzorec: SAC = (po\u010d\u00e1te\u010dn\u00ed tlak &#8211; kone\u010dn\u00fd tlak) \u00f7 \u010das ponoru \u00f7 pr\u016fm\u011brn\u00fd tlakov\u00fd faktor<\/p>\n\n\n\n<p>P\u0159\u00edklad pro jednoduch\u00fd odhad pr\u016fm\u011brn\u00e9 spot\u0159eby:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Po\u010d\u00e1te\u010dn\u00ed tlak: 200 bar<\/li>\n\n\n\n<li>Kone\u010dn\u00fd tlak: 80 bar<\/li>\n\n\n\n<li>\u010cas ponoru: 40 minut<\/li>\n\n\n\n<li>Pr\u016fm\u011brn\u00e1 spot\u0159eba: (200 &#8211; 80) \u00f7 40 = 3 bar\/min (bez korekce na hloubku)<\/li>\n<\/ul>\n\n\n\n<p><strong>Respiratory Minute Volume (RMV):<\/strong> Skute\u010dn\u00fd objem vzduchu spot\u0159ebovan\u00fd za minutu na hladin\u011b.<\/p>\n\n\n\n<p>Vzorec: RMV = SAC \u00d7 objem lahve<\/p>\n\n\n\n<p>Pro 12litrovou lahev s SAC 3 bar\/min: RMV = 3 \u00d7 12 = 36 l\/min<\/p>\n\n\n\n<p><strong>V\u00fdpo\u010det spot\u0159eby v hloubce:<\/strong> Spot\u0159eba v hloubce = SAC \u00d7 ((hloubka \u00f7 10) + 1)<\/p>\n\n\n\n<p>P\u0159\u00edklad pro SAC 3 bar\/min v hloubce 30 m: Spot\u0159eba = 3 \u00d7 ((30 \u00f7 10) + 1) = 3 \u00d7 4 = 12 bar\/min<\/p>\n\n\n\n<p><strong>Demonstrace nerealistick\u00e9ho pl\u00e1nu:<\/strong> Tento p\u0159\u00edklad ukazuje, pro\u010d je nutn\u00e9 pe\u010dliv\u011b pl\u00e1novat ponory s ohledem na kapacitu lahve.<\/p>\n\n\n\n<p>Pro ponor do 30 m s p\u0159edpokl\u00e1danou dobou 20 minut na dn\u011b:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sestup (2 min, pr\u016fm\u011br 15 m): 2 \u00d7 3 \u00d7 2,5 = 15 bar<\/li>\n\n\n\n<li>Pobyt na dn\u011b (20 min, 30 m): 20 \u00d7 3 \u00d7 4 = 240 bar<\/li>\n\n\n\n<li>V\u00fdstup s bezpe\u010dnostn\u00ed zast\u00e1vkou (8 min, pr\u016fm\u011br 10 m): 8 \u00d7 3 \u00d7 2 = 48 bar<\/li>\n\n\n\n<li>Celkem: 303 bar<\/li>\n<\/ul>\n\n\n\n<p>Pro 12litrovou lahev s 200 bar je tento ponor nere\u00e1ln\u00fd. Je nutn\u00e9 v\u00fdrazn\u011b zkr\u00e1tit dobu na dn\u011b (na cca 8\u201310 minut) nebo pou\u017e\u00edt v\u011bt\u0161\u00ed lahev (15 litr\u016f nebo twinset).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tlak a bezpe\u010dnost<\/h2>\n\n\n\n<p>Spr\u00e1vn\u00e9 zach\u00e1zen\u00ed s vysok\u00fdm tlakem je z\u00e1sadn\u00ed pro bezpe\u010dnost.<\/p>\n\n\n\n<p><strong>Minim\u00e1ln\u00ed rezerva:<\/strong> Nikdy nevy\u010derp\u00e1vejte vzduch v lahvi \u00fapln\u011b. Doporu\u010den\u00e9 rezervy:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rekrea\u010dn\u00ed pot\u00e1p\u011bn\u00ed: minim\u00e1ln\u011b 50 bar p\u0159i dosa\u017een\u00ed hladiny<\/li>\n\n\n\n<li>Technick\u00e9 pot\u00e1p\u011bn\u00ed: podle pravidla t\u0159etin (t\u0159etina tam, t\u0159etina zp\u011bt, t\u0159etina rezerva)<\/li>\n\n\n\n<li>Vrakov\u00e9\/jeskynn\u00ed ponory: je\u0161t\u011b konzervativn\u011bj\u0161\u00ed rezervy<\/li>\n<\/ul>\n\n\n\n<p><strong>Rychl\u00e9 vypou\u0161t\u011bn\u00ed tlaku:<\/strong> P\u0159i rychl\u00e9m vypu\u0161t\u011bn\u00ed vzduchu z lahve doch\u00e1z\u00ed k ochlazen\u00ed podle adiabatick\u00e9ho procesu. Ventil a regul\u00e1tor mohou zamrznout, zejm\u00e9na v chladn\u00e9 vod\u011b. Proto:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nevypou\u0161t\u011bjte vzduch p\u0159\u00edli\u0161 rychle<\/li>\n\n\n\n<li>V chladn\u00e9 vod\u011b pou\u017e\u00edvejte regul\u00e1tory s ochranou proti zamrznut\u00ed<\/li>\n\n\n\n<li>P\u0159i servisn\u00edm vypou\u0161t\u011bn\u00ed postupujte pomalu<\/li>\n<\/ul>\n\n\n\n<p><strong>Vysokotlak\u00e9 hadice:<\/strong> <a href=\"https:\/\/soprassub.com\/cs\/product-category\/potapecske-hadice\/\">Pot\u00e1p\u011b\u010dsk\u00e9 hadice<\/a> jsou konstruov\u00e1ny pro r\u016fzn\u00e9 tlaky:<\/p>\n\n\n\n<p>Vysokotlak\u00e9 (HP):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u0159ipojuj\u00ed manometr k prvn\u00edmu stupni<\/li>\n\n\n\n<li>Odolnost minim\u00e1ln\u011b 400 bar<\/li>\n\n\n\n<li>Pr\u016fm\u011br obvykle 4\u20135 mm<\/li>\n<\/ul>\n\n\n\n<p>St\u0159edotlak\u00e9 (LP):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u0159ipojuj\u00ed druh\u00fd stupe\u0148, infl\u00e1tor BCD, such\u00fd oblek<\/li>\n\n\n\n<li>Pracovn\u00ed mezitlak 8\u201312 bar nad okoln\u00ed tlak<\/li>\n\n\n\n<li>Odolnost typicky 40\u201350 bar<\/li>\n\n\n\n<li>Pr\u016fm\u011br 8\u201310 mm<\/li>\n<\/ul>\n\n\n\n<p><strong>Praskl\u00e1 vysokotlak\u00e1 hadice:<\/strong> Vytvo\u0159\u00ed siln\u00fd proud vysokotlak\u00e9ho vzduchu s charakteristick\u00fdm sy\u010den\u00edm. Nen\u00ed bezprost\u0159edn\u011b nebezpe\u010dn\u00e9 \u2013 vzduch unik\u00e1 pomalu a m\u00e1te \u010das na kontrolovan\u00fd v\u00fdstup. \u0158e\u0161en\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ukon\u010dit ponor<\/li>\n\n\n\n<li>Kontrolovan\u011b vystoupit s partnerem<\/li>\n\n\n\n<li>Po ponoru vym\u011bnit hadice<\/li>\n<\/ul>\n\n\n\n<p><strong>Praskl\u00e1 st\u0159edotlak\u00e1 hadice:<\/strong> V\u011bt\u0161\u00ed pr\u016fm\u011br hadice znamen\u00e1 rychlej\u0161\u00ed \u00fanik vzduchu. M\u016f\u017ee v\u00e9st k rychl\u00e9mu vypr\u00e1zdn\u011bn\u00ed lahve. \u0158e\u0161en\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Okam\u017eit\u011b ukon\u010dit ponor<\/li>\n\n\n\n<li>Sd\u00edlet vzduch s partnerem pomoc\u00ed z\u00e1lo\u017en\u00edho zdroje<\/li>\n\n\n\n<li>Kontrolovan\u00fd v\u00fdstup<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Kompresory a pln\u011bn\u00ed lahv\u00ed<\/h2>\n\n\n\n<p>Pot\u00e1p\u011b\u010dsk\u00e9 kompresory pracuj\u00ed s vysok\u00fdmi tlaky a vy\u017eaduj\u00ed speci\u00e1ln\u00ed konstrukci.<\/p>\n\n\n\n<p><strong>Typy kompresor\u016f:<\/strong><\/p>\n\n\n\n<p>P\u00edstov\u00e9 kompresory:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>3\u20134 stup\u0148ov\u00e1 komprese<\/li>\n\n\n\n<li>Tlak postupn\u011b nar\u016fst\u00e1 v jednotliv\u00fdch stupn\u00edch<\/li>\n\n\n\n<li>Chlazen\u00ed mezi stupni<\/li>\n\n\n\n<li>Kapacita obvykle 100\u2013300 l\/min voln\u00e9ho vzduchu<\/li>\n<\/ul>\n\n\n\n<p>\u0160roubov\u00e9 kompresory:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kompaktn\u011bj\u0161\u00ed konstrukce<\/li>\n\n\n\n<li>Vy\u0161\u0161\u00ed v\u00fdkon<\/li>\n\n\n\n<li>Pou\u017e\u00edvan\u00e9 ve velk\u00fdch plnic\u00edch stanic\u00edch<\/li>\n<\/ul>\n\n\n\n<p><strong>Filtrace vzduchu:<\/strong> Vzduch pro pot\u00e1p\u011bn\u00ed mus\u00ed spl\u0148ovat p\u0159\u00edsn\u00e9 normy \u010distoty podle EN 12021. Limity zahrnuj\u00ed maxim\u00e1ln\u00ed koncentrace ne\u010distot v\u010detn\u011b oxidu uhli\u010dit\u00e9ho, oxidu uhelnat\u00e9ho, olejov\u00fdch par a vodn\u00ed p\u00e1ry. Konkr\u00e9tn\u00ed hodnoty rosn\u00e9ho bodu a vlhkosti z\u00e1vis\u00ed na tlaku a podm\u00ednk\u00e1ch pou\u017eit\u00ed.<\/p>\n\n\n\n<p>Kompresory pou\u017e\u00edvaj\u00ed v\u00edcevrstv\u00e9 filtra\u010dn\u00ed syst\u00e9my:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mechanick\u00e9 filtry (pevn\u00e9 \u010d\u00e1stice)<\/li>\n\n\n\n<li>Molekul\u00e1rn\u00ed s\u00edta (voda, CO\u2082)<\/li>\n\n\n\n<li>Aktivn\u00ed uhl\u00ed (organick\u00e9 l\u00e1tky, olej, CO)<\/li>\n<\/ul>\n\n\n\n<p><strong>Rychlost pln\u011bn\u00ed:<\/strong> Rychl\u00e9 pln\u011bn\u00ed vytv\u00e1\u0159\u00ed teplo kompres\u00ed vzduchu. Lahev se zah\u0159\u00edv\u00e1 a po vychladnut\u00ed klesne tlak. Proto:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pomalu plnit (50\u2013100 bar\/min)<\/li>\n\n\n\n<li>Nechat lahev vychladnout<\/li>\n\n\n\n<li>Doplnit na kone\u010dn\u00fd tlak<\/li>\n<\/ul>\n\n\n\n<p><strong>Banky lahv\u00ed:<\/strong> Velk\u00e1 plnic\u00ed za\u0159\u00edzen\u00ed pou\u017e\u00edvaj\u00ed banky (kask\u00e1dy) vysokotlak\u00fdch lahv\u00ed. Umo\u017e\u0148uj\u00ed rychl\u00e9 pln\u011bn\u00ed bez nutnosti b\u011b\u017e\u00edc\u00edho kompresoru.<\/p>\n\n\n\n<p>Princip:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Banka s tlakem 300 bar<\/li>\n\n\n\n<li>Pln\u011bn\u00ed lahve a\u017e do vyrovn\u00e1n\u00ed tlak\u016f<\/li>\n\n\n\n<li>Minim\u00e1ln\u00ed zah\u0159\u00edv\u00e1n\u00ed<\/li>\n\n\n\n<li>Banka se dopl\u0148uje kompresorem mimo \u0161pi\u010dku<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">M\u011b\u0159en\u00ed tlaku \u2013 manometry<\/h2>\n\n\n\n<p>Manometry m\u011b\u0159\u00ed tlak v lahvi a zobrazuj\u00ed ho na stupnici.<\/p>\n\n\n\n<p><strong>Typy manometr\u016f:<\/strong><\/p>\n\n\n\n<p>Mechanick\u00e9 (analogov\u00e9):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bourdonova trubice nebo membr\u00e1nov\u00fd mechanismus<\/li>\n\n\n\n<li>Stupnice obvykle 0\u2013400 bar<\/li>\n\n\n\n<li>Ozna\u010den\u00e1 \u010derven\u00e1 z\u00f3na (rezerva, obvykle pod 50 bar)<\/li>\n\n\n\n<li>Spolehliv\u00e9, funguj\u00ed bez elektrick\u00e9ho nap\u00e1jen\u00ed<\/li>\n<\/ul>\n\n\n\n<p>Digit\u00e1ln\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Elektronick\u00e9 senzory (piezorezistivn\u00ed)<\/li>\n\n\n\n<li>LCD displej<\/li>\n\n\n\n<li>P\u0159esn\u011bj\u0161\u00ed \u010dten\u00ed<\/li>\n\n\n\n<li>Vy\u017eaduj\u00ed baterii<\/li>\n\n\n\n<li>Integrovan\u00e9 v pot\u00e1p\u011b\u010dsk\u00fdch po\u010d\u00edta\u010d\u00edch<\/li>\n<\/ul>\n\n\n\n<p><strong>P\u0159esnost manometr\u016f:<\/strong> Kvalitn\u00ed manometry maj\u00ed p\u0159esnost \u00b15 bar v pracovn\u00edm rozsahu. Doporu\u010duje se pravideln\u00e1 kalibrace a srovn\u00e1n\u00ed s referen\u010dn\u00edm manometrem.<\/p>\n\n\n\n<p><strong>Um\u00edst\u011bn\u00ed manometru:<\/strong> Obvykle na <a href=\"https:\/\/soprassub.com\/cs\/product-category\/potapecske-pristroje-manometry-a-konzole\/\">konzoli<\/a> spole\u010dn\u011b s <a href=\"https:\/\/soprassub.com\/cs\/product-category\/potapecske-pristroje-manometry-a-konzole\/potapecske-hloubkomery\/\">hloubkom\u011brem<\/a> a <a href=\"https:\/\/soprassub.com\/cs\/product-category\/potapecske-pristroje-manometry-a-konzole\/potapecske-kompasy\/\">kompasem<\/a>, nebo samostatn\u011b na hadici. Kontrola tlaku by m\u011bla prob\u00edhat:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u0159ed ponorem (na hladin\u011b)<\/li>\n\n\n\n<li>Ka\u017ed\u00fdch 5\u201310 minut b\u011bhem ponoru<\/li>\n\n\n\n<li>Po dosa\u017een\u00ed pl\u00e1novan\u00e9 hloubky<\/li>\n\n\n\n<li>P\u0159ed za\u010d\u00e1tkem v\u00fdstupu<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Praktick\u00e9 tipy pro pot\u00e1p\u011b\u010de<\/h2>\n\n\n\n<p><strong>Kontrola tlaku p\u0159ed ponorem:<\/strong> V\u017edy zkontrolujte tlak v lahvi p\u0159ed vstupem do vody. Nedostate\u010dn\u00fd tlak m\u016f\u017ee znamenat:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Net\u011bsnost ventilu<\/li>\n\n\n\n<li>Zapomenut\u00fd ventil (nen\u00ed otev\u0159en\u00fd)<\/li>\n\n\n\n<li>\u0160patn\u011b napln\u011bn\u00e1 lahev<\/li>\n\n\n\n<li>\u00danik b\u011bhem p\u0159epravy<\/li>\n<\/ul>\n\n\n\n<p><strong>Pl\u00e1nov\u00e1n\u00ed rezervy:<\/strong> Pravidlo 50 bar je minimum pro rekrea\u010dn\u00ed ponory v otev\u0159en\u00e9 vod\u011b. Pro n\u00e1ro\u010dn\u011bj\u0161\u00ed podm\u00ednky:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vraky: 70\u2013100 bar<\/li>\n\n\n\n<li>Proudy: 80\u2013100 bar<\/li>\n\n\n\n<li>Chladn\u00e1 voda: 70\u201390 bar<\/li>\n\n\n\n<li>Technick\u00e9 ponory: pravidlo t\u0159etin<\/li>\n<\/ul>\n\n\n\n<p><strong>Sledov\u00e1n\u00ed spot\u0159eby:<\/strong> Nau\u010dte se svou typickou spot\u0159ebu (SAC). Pom\u016f\u017ee v\u00e1m l\u00e9pe pl\u00e1novat ponory a rozpoznat abnorm\u00e1ln\u00ed situace:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vysok\u00e1 spot\u0159eba = stres, n\u00e1maha, probl\u00e9my s v\u00fdstroj\u00ed<\/li>\n\n\n\n<li>N\u00edzk\u00e1 spot\u0159eba = m\u011blk\u00e9 d\u00fdch\u00e1n\u00ed (angl. shallow breathing), riziko retence CO\u2082<\/li>\n<\/ul>\n\n\n\n<p><strong>Teplotn\u00ed kompenzace:<\/strong> Tlak v lahvi se m\u011bn\u00ed s teplotou. Lahev napln\u011bn\u00e1 v tepl\u00e9 m\u00edstnosti a pono\u0159en\u00e1 do studen\u00e9 vody m\u016f\u017ee ztratit 10\u201320 bar. Pl\u00e1nujte s rezervou.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Legislativa a normy<\/h2>\n\n\n\n<p><strong>Evropsk\u00e9 normy:<\/strong><\/p>\n\n\n\n<p>EN 250:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Testov\u00e1n\u00ed regul\u00e1tor\u016f<\/li>\n\n\n\n<li>Po\u017eadavky na v\u00fdkon p\u0159i r\u016fzn\u00fdch tlac\u00edch<\/li>\n\n\n\n<li>Odolnost proti voln\u00e9mu pr\u016ftoku<\/li>\n<\/ul>\n\n\n\n<p>EN 144:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u0159ipojen\u00ed ventil\u016f a regul\u00e1tor\u016f<\/li>\n\n\n\n<li>Standardizace z\u00e1vit\u016f<\/li>\n\n\n\n<li>DIN a INT specifikace<\/li>\n<\/ul>\n\n\n\n<p>EN 12245:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kompozitn\u00ed pot\u00e1p\u011b\u010dsk\u00e9 lahve (fully wrapped composite cylinders)<\/li>\n\n\n\n<li>Materi\u00e1ly, konstrukce, testov\u00e1n\u00ed<\/li>\n\n\n\n<li>Ozna\u010den\u00ed a certifikace<\/li>\n<\/ul>\n\n\n\n<p><strong>\u010cesk\u00e1 legislativa:<\/strong> Tlakov\u00e9 n\u00e1doby (pot\u00e1p\u011b\u010dsk\u00e9 lahve) podl\u00e9haj\u00ed z\u00e1konu o technick\u00fdch po\u017eadavc\u00edch na v\u00fdrobky. Vy\u017eaduj\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Revize ka\u017ed\u00fdch 5 let<\/li>\n\n\n\n<li>Hydrostatickou zkou\u0161ku<\/li>\n\n\n\n<li>Vizu\u00e1ln\u00ed inspekci<\/li>\n\n\n\n<li>Certifikaci autorizovanou organizac\u00ed<\/li>\n<\/ul>\n\n\n\n<p><strong>P\u0159eprava lahv\u00ed:<\/strong> Pln\u00e9 lahve jsou klasifikov\u00e1ny jako nebezpe\u010dn\u00fd n\u00e1klad:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>UN 1002 (stla\u010den\u00fd vzduch)<\/li>\n\n\n\n<li>Ozna\u010den\u00ed ADR p\u0159i silni\u010dn\u00ed p\u0159eprav\u011b<\/li>\n\n\n\n<li>Omezen\u00ed mno\u017estv\u00ed bez speci\u00e1ln\u00edho povolen\u00ed<\/li>\n\n\n\n<li>Povinnost ventil chr\u00e1nit ochrannou \u010depi\u010dkou<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">P\u0159evodn\u00ed tabulka<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>bar<\/th><th>atm<\/th><th>psi<\/th><th>kPa<\/th><th>MPa<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>0,987<\/td><td>14,5<\/td><td>100<\/td><td>0,1<\/td><\/tr><tr><td>10<\/td><td>9,87<\/td><td>145<\/td><td>1 000<\/td><td>1<\/td><\/tr><tr><td>50<\/td><td>49,3<\/td><td>725<\/td><td>5 000<\/td><td>5<\/td><\/tr><tr><td>100<\/td><td>98,7<\/td><td>1 450<\/td><td>10 000<\/td><td>10<\/td><\/tr><tr><td>150<\/td><td>148<\/td><td>2 176<\/td><td>15 000<\/td><td>15<\/td><\/tr><tr><td>200<\/td><td>197<\/td><td>2 901<\/td><td>20 000<\/td><td>20<\/td><\/tr><tr><td>232<\/td><td>229<\/td><td>3 366<\/td><td>23 200<\/td><td>23,2<\/td><\/tr><tr><td>300<\/td><td>296<\/td><td>4 351<\/td><td>30 000<\/td><td>30<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Pou\u017eit\u00e9 zdroje:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>EN 250 \u2013 Respiratory equipment for diving<\/li>\n\n\n\n<li>EN 144 \u2013 Respiratory equipment &#8211; Gas cylinder valves<\/li>\n\n\n\n<li>EN 12245 \u2013 Transportable gas cylinders &#8211; Fully wrapped composite cylinders<\/li>\n\n\n\n<li>EN 12021 \u2013 Compressed gases for breathing apparatus<\/li>\n\n\n\n<li>PADI Equipment Specialist Manual<\/li>\n\n\n\n<li>SSI Equipment Techniques Manual<\/li>\n\n\n\n<li>International Standards for Cylinder Testing<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Bar je jednotka tlaku \u0161iroce pou\u017e\u00edvan\u00e1 v pot\u00e1p\u011bn\u00ed pro m\u011b\u0159en\u00ed tlaku vzduchu v lahv\u00edch, mezitlaku regul\u00e1tor\u016f a dal\u0161\u00edch technick\u00fdch parametr\u016f pot\u00e1p\u011b\u010dsk\u00e9ho vybaven\u00ed. Jeden bar odpov\u00edd\u00e1 tlaku 100 000 pascal\u016f nebo p\u0159ibli\u017en\u011b atmosf\u00e9rick\u00e9mu tlaku na hladin\u011b mo\u0159e. Jednotka bar je v pot\u00e1p\u011bn\u00ed preferov\u00e1na p\u0159ed pascalem d\u00edky praktick\u00fdm hodnot\u00e1m \u2013 tlaky v pot\u00e1p\u011b\u010dsk\u00fdch lahv\u00edch se pohybuj\u00ed typicky&hellip;&nbsp;<a href=\"https:\/\/soprassub.com\/cs\/bar-jednotka-tlaku\/\" rel=\"bookmark\">\u010c\u00edst d\u00e1le &raquo;<span class=\"screen-reader-text\">Bar (jednotka tlaku)<\/span><\/a><\/p>\n","protected":false},"author":16270,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[1295],"tags":[],"class_list":["post-17001","post","type-post","status-publish","format-standard","hentry","category-slovnik"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Bar (jednotka tlaku) - Soprassub<\/title>\n<meta name=\"description\" content=\"Meta popis: Bar je jednotka tlaku pou\u017e\u00edvan\u00e1 v pot\u00e1p\u011bn\u00ed. 1 bar = 100 000 Pa. 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Lahve maj\u00ed typicky 200 bar, regul\u00e1tory sni\u017euj\u00ed tlak na mezitlak.","og_url":"https:\/\/soprassub.com\/cs\/bar-jednotka-tlaku\/","og_site_name":"Soprassub","article_published_time":"2026-01-17T19:33:45+00:00","article_modified_time":"2026-01-17T19:36:52+00:00","author":"Adam","twitter_card":"summary_large_image","twitter_misc":{"Napsal(a)":"Adam","Odhadovan\u00e1 doba \u010dten\u00ed":"9 minut"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/soprassub.com\/cs\/bar-jednotka-tlaku\/#article","isPartOf":{"@id":"https:\/\/soprassub.com\/cs\/bar-jednotka-tlaku\/"},"author":{"name":"Adam","@id":"https:\/\/soprassub.com\/#\/schema\/person\/b227f70f1c5ef1db6e81d99f6aa6fce2"},"headline":"Bar (jednotka tlaku)","datePublished":"2026-01-17T19:33:45+00:00","dateModified":"2026-01-17T19:36:52+00:00","mainEntityOfPage":{"@id":"https:\/\/soprassub.com\/cs\/bar-jednotka-tlaku\/"},"wordCount":2384,"commentCount":0,"articleSection":["Slovn\u00edk"],"inLanguage":"cs","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/soprassub.com\/cs\/bar-jednotka-tlaku\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/soprassub.com\/cs\/bar-jednotka-tlaku\/","url":"https:\/\/soprassub.com\/cs\/bar-jednotka-tlaku\/","name":"Bar (jednotka tlaku) - Soprassub","isPartOf":{"@id":"https:\/\/soprassub.com\/#website"},"datePublished":"2026-01-17T19:33:45+00:00","dateModified":"2026-01-17T19:36:52+00:00","author":{"@id":"https:\/\/soprassub.com\/#\/schema\/person\/b227f70f1c5ef1db6e81d99f6aa6fce2"},"description":"Meta popis: Bar je jednotka tlaku pou\u017e\u00edvan\u00e1 v pot\u00e1p\u011bn\u00ed. 1 bar = 100 000 Pa. 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Jeden bar odpov\u00edd\u00e1 tlaku 100 000 pascal\u016f nebo p\u0159ibli\u017en\u011b atmosf\u00e9rick\u00e9mu tlaku na hladin\u011b mo\u0159e. Jednotka bar je v pot\u00e1p\u011bn\u00ed preferov\u00e1na p\u0159ed pascalem d\u00edky praktick\u00fdm hodnot\u00e1m \u2013 tlaky v pot\u00e1p\u011b\u010dsk\u00fdch lahv\u00edch se pohybuj\u00ed typicky&hellip;&nbsp;\u010c\u00edst&hellip;","_links":{"self":[{"href":"https:\/\/soprassub.com\/cs\/wp-json\/wp\/v2\/posts\/17001","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/soprassub.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/soprassub.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/soprassub.com\/cs\/wp-json\/wp\/v2\/users\/16270"}],"replies":[{"embeddable":true,"href":"https:\/\/soprassub.com\/cs\/wp-json\/wp\/v2\/comments?post=17001"}],"version-history":[{"count":2,"href":"https:\/\/soprassub.com\/cs\/wp-json\/wp\/v2\/posts\/17001\/revisions"}],"predecessor-version":[{"id":17003,"href":"https:\/\/soprassub.com\/cs\/wp-json\/wp\/v2\/posts\/17001\/revisions\/17003"}],"wp:attachment":[{"href":"https:\/\/soprassub.com\/cs\/wp-json\/wp\/v2\/media?parent=17001"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/soprassub.com\/cs\/wp-json\/wp\/v2\/categories?post=17001"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/soprassub.com\/cs\/wp-json\/wp\/v2\/tags?post=17001"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}