{"id":89725,"date":"2022-02-02T14:08:50","date_gmt":"2022-02-02T12:08:50","guid":{"rendered":"https:\/\/slovaklinesmagazin.sk\/cms\/?p=89725"},"modified":"2022-02-02T14:09:14","modified_gmt":"2022-02-02T12:09:14","slug":"ako-merat-napatie-s-voltmetrom","status":"publish","type":"post","link":"https:\/\/www.slovaklinesmagazin.sk\/cms\/2022\/02\/ako-merat-napatie-s-voltmetrom\/","title":{"rendered":"Ako mera\u0165 nap\u00e4tie s voltmetrom?"},"content":{"rendered":"<p><strong>Voltmeter je zariadenie, ktor\u00e9 sa pou\u017e\u00edva na meranie rozdielu elektrick\u00fdch potenci\u00e1lov medzi dvoma bodmi v obvode. Osoby ktor\u00e9 ho vedia pou\u017e\u00edva\u0165 dok\u00e1\u017eu rie\u0161i\u0165 a odstra\u0148ova\u0165 elektrick\u00e9 probl\u00e9my a \u010dinnosti s nimi spojen\u00e9. Pre\u010do je voltmeter d\u00f4le\u017eit\u00fd a ako s n\u00edm mera\u0165 nap\u00e4tie?<\/strong><\/p>\n<h2>Voltmeter: Zistite, ako mera\u0165 nap\u00e4tie<\/h2>\n<p>Schopnos\u0165 voltmetra mera\u0165 nap\u00e4tie je d\u00f4le\u017eit\u00e1 nie len v oblasti modern\u00fdch technol\u00f3gi\u00ed, ale aj v be\u017enom, praktickom \u017eivote. Nem\u00e1te bli\u017e\u0161iu predstavu o jeho funkcii? Mo\u017eno v\u00e1m pom\u00f4\u017ee pr\u00edklad z dom\u00e1ceho prostredia. Predpokladajme, \u017ee si chcete nakulmova\u0165 vlasy, no ke\u010f kulmu zapoj\u00edte do z\u00e1suvky, ni\u010d sa nestane. Je spotrebi\u010d pokazen\u00fd? Mo\u017eno \u00e1no, ale \u010do ak v z\u00e1suvke nepr\u00fadi elektrina? Voltmeter v tomto pr\u00edpade uk\u00e1\u017ee pr\u00edtomnos\u0165 nap\u00e4tia v z\u00e1suvke. Ide\u00e1lna hodnota nap\u00e4tia na v\u00fdstupe by mala by\u0165 pribli\u017ene 220 voltov.<\/p>\n<p>Netreba zab\u00fada\u0165 na bezpe\u010dnos\u0165. Meranie elektrick\u00e9ho pr\u00fadu v z\u00e1suvke m\u00f4\u017ee by\u0165 nebezpe\u010dn\u00e9 a sprev\u00e1dza ho nieko\u013eko \u0161pecifick\u00fdch krokov. Ak m\u00e1te nabl\u00edzku sk\u00fasen\u00fa osobu, rad\u0161ej ju poproste o pomoc. Za\u010diato\u010dn\u00edkom odpor\u00fa\u010dame vysk\u00fa\u0161a\u0165 si funkciu voltmetra na oby\u010dajnej bat\u00e9rii. Po zapnut\u00ed pr\u00edstroja nastav\u00edte rozsah pribli\u017ene od 10 do 20 miliamp\u00e9rov. Z\u00e1porn\u00fd vodi\u010d voltmetra prilo\u017e\u00edte ku kladnej strane bat\u00e9rie (m\u00e1 zna\u010dku plus) a naopak kladn\u00fd vodi\u010d prilo\u017e\u00edte k z\u00e1pornej strane bat\u00e9rie, ktor\u00e1 m\u00e1 znamienko m\u00ednus. Ak tento \u00fakon urob\u00edte spr\u00e1vne, na obrazovke uvid\u00edte v\u00fdsledn\u00fa hodnotu.<\/p>\n<h2>Najpou\u017e\u00edvanej\u0161ie druhy voltmetra<\/h2>\n<p><a href=\"https:\/\/www.tme.eu\/sk\/katalog\/voltmetre_118082\/\"><strong>Voltmeter<\/strong><\/a>\u00a0dok\u00e1\u017ee odmera\u0165 nap\u00e4tie s jednosmern\u00fdm (DC) a striedav\u00fdm (AC) pr\u00fadom. Z\u00e1kladn\u00e9 typy voltmetrov m\u00f4\u017eeme rozdeli\u0165 na:<\/p>\n<ul>\n<li>Anal\u00f3gov\u00fd voltmeter<\/li>\n<li>Digit\u00e1lny voltmeter<\/li>\n<\/ul>\n<p>Anal\u00f3gov\u00fd voltmeter je v porovnan\u00ed s digit\u00e1lnym o nie\u010do viac cenovo dostupnej\u0161\u00ed. Bol prv\u00fd svojho druhu a aj napriek n\u00e1stupu \u201edigit\u00e1lneho konkurenta\u201c je st\u00e1le ob\u013e\u00faben\u00fd u ve\u013ek\u00e9ho mno\u017estva \u013eud\u00ed. \u010cas odozvy anal\u00f3govej verzie je r\u00fdchly, tak\u017ee na v\u00fdsledn\u00e9 hodnoty nemus\u00edte dlho \u010daka\u0165.<\/p>\n<p>Digit\u00e1lny voltmeter eliminuje chyby merania, sp\u00f4soben\u00e9 \u010dlovekom. \u010co to znamen\u00e1? Ke\u010f sa pozer\u00e1te na anal\u00f3gov\u00fd voltmeter z in\u00e9ho uhla, ob\u010das sa m\u00f4\u017ee sta\u0165, \u017ee uvid\u00edte in\u00fa hodnotu. Pri \u010d\u00edselnom displeji digit\u00e1lneho voltmetra sa t\u00fdmto probl\u00e9mom nemus\u00edte zaobera\u0165. Je \u013eahko prenosn\u00fd a jeho digit\u00e1lne od\u010d\u00edtanie hodn\u00f4t zvy\u0161uje presnos\u0165. Funkcia automatick\u00e9ho nastavenia rozsahu pom\u00e1ha pri v\u00fdbere r\u00f4znych rozsahov merania. M\u00e1te z\u00e1ujem zaobstara\u0165 si nov\u00fd voltmeter, \u010di in\u00e9 vysokokvalitn\u00e9 elektrick\u00e9 komponenty? Nav\u0161t\u00edvte\u00a0<a href=\"https:\/\/tme.eu\/sk\/\"><strong>tme.eu<\/strong><\/a>, kde si m\u00f4\u017eete vybra\u0165 z viac ako 500 000 dostupn\u00fdch produktov.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voltmeter je zariadenie, ktor\u00e9 sa pou\u017e\u00edva na meranie rozdielu elektrick\u00fdch potenci\u00e1lov medzi dvoma bodmi v obvode. Osoby ktor\u00e9 ho vedia pou\u017e\u00edva\u0165 dok\u00e1\u017eu rie\u0161i\u0165 a odstra\u0148ova\u0165 elektrick\u00e9 probl\u00e9my a \u010dinnosti s nimi spojen\u00e9. Pre\u010do je voltmeter d\u00f4le\u017eit\u00fd a ako s n\u00edm mera\u0165 nap\u00e4tie? Voltmeter: Zistite, ako mera\u0165 nap\u00e4tie Schopnos\u0165 voltmetra mera\u0165 nap\u00e4tie je d\u00f4le\u017eit\u00e1 nie len [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":89726,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[50,42],"tags":[],"class_list":["post-89725","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-radim-vam","category-tech","eq-blocks"],"_links":{"self":[{"href":"https:\/\/www.slovaklinesmagazin.sk\/cms\/wp-json\/wp\/v2\/posts\/89725","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.slovaklinesmagazin.sk\/cms\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.slovaklinesmagazin.sk\/cms\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.slovaklinesmagazin.sk\/cms\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.slovaklinesmagazin.sk\/cms\/wp-json\/wp\/v2\/comments?post=89725"}],"version-history":[{"count":1,"href":"https:\/\/www.slovaklinesmagazin.sk\/cms\/wp-json\/wp\/v2\/posts\/89725\/revisions"}],"predecessor-version":[{"id":89727,"href":"https:\/\/www.slovaklinesmagazin.sk\/cms\/wp-json\/wp\/v2\/posts\/89725\/revisions\/89727"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.slovaklinesmagazin.sk\/cms\/wp-json\/wp\/v2\/media\/89726"}],"wp:attachment":[{"href":"https:\/\/www.slovaklinesmagazin.sk\/cms\/wp-json\/wp\/v2\/media?parent=89725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.slovaklinesmagazin.sk\/cms\/wp-json\/wp\/v2\/categories?post=89725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.slovaklinesmagazin.sk\/cms\/wp-json\/wp\/v2\/tags?post=89725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}