{"id":76196,"date":"2024-01-17T14:00:58","date_gmt":"2024-01-17T13:00:58","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/miernik-co-to-jest-i-do-czego-sluzy\/"},"modified":"2026-04-08T11:01:45","modified_gmt":"2026-04-08T09:01:45","slug":"meric-co-je-to-a-k-cemu-slouzi","status":"publish","type":"post","link":"https:\/\/botland.cz\/blog\/meric-co-je-to-a-k-cemu-slouzi\/","title":{"rendered":"M\u011b\u0159i\u010d &#8211; Co je to a k \u010demu slou\u017e\u00ed?"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u010cas \u010dten\u00ed:<\/span> <span class=\"rt-time\"> 4<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"76196\" class=\"elementor elementor-76196 elementor-69655\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-397959c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"397959c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-32794e8\" data-id=\"32794e8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5c0ff11 elementor-widget elementor-widget-text-editor\" data-id=\"5c0ff11\" data-element_type=\"widget\" data-e-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><em>M\u011b\u0159ic\u00ed p\u0159\u00edstroje pat\u0159\u00ed k nejd\u016fle\u017eit\u011bj\u0161\u00edm za\u0159\u00edzen\u00edm v d\u00edln\u011b elektronika. Na co se v\u0161ak zam\u011b\u0159it p\u0159i v\u00fdb\u011bru multimetru nebo infra\u010derven\u00e9ho teplom\u011bru?<\/em><\/p>\n<p>Na trhu jsou k dispozici tis\u00edce <a href=\"https:\/\/botland.cz\/228-merici-zarizeni\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>p\u0159\u00edstroj\u016f, kter\u00e9 umo\u017e\u0148uj\u00ed m\u011b\u0159it<\/strong><\/a> doslova v\u0161echny fyzik\u00e1ln\u00ed veli\u010diny, kter\u00e9 n\u00e1s zaj\u00edmaj\u00ed p\u0159i ka\u017edodenn\u00edm projektov\u00e1n\u00ed, uv\u00e1d\u011bn\u00ed prototyp\u016f do provozu nebo oprav\u00e1ch r\u016fzn\u00fdch za\u0159\u00edzen\u00ed. Samotn\u00e9 ur\u010den\u00ed typu p\u0159\u00edstroje a funkc\u00ed, kter\u00e9 pln\u00ed, je v\u0161ak pouze prvn\u00edm krokem v procesu v\u00fdb\u011bru &#8211; je velmi d\u016fle\u017eit\u00e9 zn\u00e1t nejd\u016fle\u017eit\u011bj\u0161\u00ed pojmy v metrologii, proto\u017ee jen tak m\u016f\u017eete spr\u00e1vn\u011b p\u0159izp\u016fsobit model m\u011b\u0159idla sv\u00fdm individu\u00e1ln\u00edm pot\u0159eb\u00e1m.<\/p>\n\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-9a89de3 elementor-widget elementor-widget-heading\" data-id=\"9a89de3\" data-element_type=\"widget\" data-e-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\">Stru\u010dn\u00fd \u00favod do metrologie<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aca9b3f elementor-widget elementor-widget-text-editor\" data-id=\"aca9b3f\" data-element_type=\"widget\" data-e-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>V souvislosti s <a href=\"https:\/\/botland.cz\/228-merici-zarizeni\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>m\u011b\u0159idly<\/strong><\/a> a <strong>m\u011b\u0159ic\u00edmi metodami<\/strong> se pojmy &#8220;p\u0159esnost&#8221; a &#8220;spr\u00e1vnost&#8221; \u010dasto pou\u017e\u00edvaj\u00ed zam\u011bniteln\u011b, ale ve skute\u010dnosti maj\u00ed odli\u0161n\u00fd, p\u0159esn\u011b definovan\u00fd v\u00fdznam. <strong>P\u0159esnost p\u0159\u00edstroje<\/strong> znamen\u00e1 shodu v\u00fdsledku m\u011b\u0159en\u00ed se skute\u010dnou hodnotou. Pokud je p\u0159\u00edstroj p\u0159esn\u00fd, budou se jeho m\u011b\u0159en\u00ed bl\u00ed\u017eit &#8220;skute\u010dn\u00e9&#8221; hodnot\u011b m\u011b\u0159en\u00e9ho parametru. Nap\u0159\u00edklad &#8211; dob\u0159e kalibrovan\u00e1 v\u00e1ha, na kterou se um\u00edst\u00ed referen\u010dn\u00ed z\u00e1va\u017e\u00ed (nap\u0159. 1 000 kg), bude ukazovat hodnoty velmi bl\u00edzk\u00e9 nomin\u00e1ln\u00edm hodnot\u00e1m. Pak m\u016f\u017eeme \u0159\u00edci, \u017ee v\u00e1ha je p\u0159esn\u00e1, a m\u011b\u0159\u00edtkem t\u00e9to p\u0159esnosti bude p\u0159\u00edpustn\u00e1 chyba vyj\u00e1d\u0159en\u00e1 jako relativn\u00ed hodnota (nap\u0159. +\/-0,1 % \u00fadaje) nebo absolutn\u00ed hodnota (nap\u0159. +\/- 0,05 g).<\/p>\n<p><strong>P\u0159esnost<\/strong> naopak ozna\u010duje schopnost m\u011b\u0159idla poskytovat opakovateln\u00e9 a konzistentn\u00ed v\u00fdsledky p\u0159i opakovan\u00e9m m\u011b\u0159en\u00ed stejn\u00e9ho parametru. I kdy\u017e jsou tato m\u011b\u0159en\u00ed nep\u0159esn\u00e1 (tj. odchyluj\u00ed se od skute\u010dn\u00e9 hodnoty), m\u016f\u017ee b\u00fdt m\u011b\u0159i\u010d st\u00e1le p\u0159esn\u00fd, pokud jsou v\u0161echny v\u00fdsledky indikovan\u00e9 pro stejn\u00fd stabiln\u00ed objekt bl\u00edzko sebe. Pokud \u0161patn\u011b kalibrovan\u00e1 v\u00e1ha ukazuje hmotnost 1 kg v\u017edy jako 1,1 kg, m\u016f\u017eeme \u0159\u00edci, \u017ee je sice spr\u00e1vn\u00e1, ale&#8230; nep\u0159esn\u00e1.<\/p>\n<p>Dal\u0161\u00edm velmi d\u016fle\u017eit\u00fdm pojmem je <strong>rozli\u0161en\u00ed m\u011b\u0159idla<\/strong>, co\u017e je minim\u00e1ln\u00ed &#8220;krok&#8221;, s n\u00edm\u017e m\u016f\u017ee p\u0159\u00edstroj indikovat sousedn\u00ed \u00farovn\u011b m\u011b\u0159en\u00e9ho parametru. Rozli\u0161en\u00ed se v z\u00e1vislosti na typu a \u00fa\u010delu n\u00e1stroje obvykle definuje n\u011bkolika r\u016fzn\u00fdmi zp\u016fsoby, nej\u010dast\u011bji jako:<\/p>\n<ul style=\"font-size: 16px; background-color: #ffffff;\">\n<li style=\"font-size: 16px;\">maxim\u00e1ln\u00ed mo\u017en\u00e9 zobrazen\u00ed (nap\u0159. 6000),<\/li>\n<li style=\"font-size: 16px;\">po\u010det v\u00fdznamn\u00fdch \u010d\u00edslic v\u00fdsledku (nap\u0159. 4,5 \u010d\u00edslice),<\/li>\n<li style=\"font-size: 16px;\">minim\u00e1ln\u00ed krok v dan\u00e9m rozsahu m\u011b\u0159en\u00ed (nap\u0159. 1 \u03bcV),<\/li>\n<li style=\"font-size: 16px;\">po\u010det bit\u016f ADC (nap\u0159. osciloskopy obvykle pou\u017e\u00edvaj\u00ed 8bitov\u00e9 p\u0159evodn\u00edky, m\u00e9n\u011b \u010dasto 10 nebo 12bitov\u00e9).<\/li>\n<\/ul>\n\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-3598740 elementor-widget elementor-widget-heading\" data-id=\"3598740\" data-element_type=\"widget\" data-e-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\">Analogov\u00fd m\u011b\u0159i\u010d vs. digit\u00e1ln\u00ed<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de2fba1 elementor-widget elementor-widget-text-editor\" data-id=\"de2fba1\" data-element_type=\"widget\" data-e-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>D\u0159\u00edve byly v\u0161echny <a href=\"https:\/\/botland.cz\/228-merici-zarizeni\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><span style=\"font-weight: bolder;\">m\u011b\u0159ic\u00ed p\u0159\u00edstroje<\/span><\/a> navr\u017eeny na z\u00e1klad\u011b <span style=\"font-weight: bolder;\">analogov\u00fdch v\u00fdkyvn\u00fdch ukazatel\u016f<\/span> (ru\u010di\u010dkov\u00fdch) . Srdcem ka\u017ed\u00e9ho takov\u00e9ho p\u0159\u00edstroje byl speci\u00e1ln\u00ed <span style=\"font-weight: bolder;\">elektromagnetick\u00fd syst\u00e9m<\/span> sest\u00e1vaj\u00edc\u00ed z lehk\u00e9 c\u00edvky pevn\u011b spojen\u00e9 s ukazatelem a um\u00edst\u011bn\u00e9 v siln\u00e9m magnetick\u00e9m poli.<\/p>\n<p>Pr\u016ftok proudu c\u00edvkou zp\u016fsobil, \u017ee se ukazatel vych\u00fdlil o \u00fahel v z\u00e1vislosti na hodnot\u011b m\u011b\u0159en\u00e9ho parametru (nap\u0159. nap\u011bt\u00ed, proudu nebo odporu).<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-4957cdd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4957cdd\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-70dbdfd\" data-id=\"70dbdfd\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1765733 elementor-widget elementor-widget-text-editor\" data-id=\"1765733\" data-element_type=\"widget\" data-e-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><strong style=\"font-size: 1rem;\">Analogov\u00e9 m\u011b\u0159i\u010de<\/strong><span style=\"font-size: 1rem;\">, krom\u011b nesporn\u00fdch estetick\u00fdch v\u00fdhod m\u011bly bohu\u017eel pom\u011brn\u011b velkou mechanickou setrva\u010dnost, a proto byly nevhodn\u00e9 pro z\u00e1znam rychl\u00fdch zm\u011bn vstupn\u00edho sign\u00e1lu. Hlavn\u00ed nev\u00fdhodou analogov\u00fdch ukazatel\u016f v\u0161ak byly pot\u00ed\u017ee s p\u0159esn\u00fdm ode\u010dten\u00edm polohy ukazatele kv\u016fli tzv. chyb\u011b paralaxy. <strong>Digit\u00e1ln\u00ed m\u011b\u0159i\u010de<\/strong> jsou zbaveny v\u0161ech t\u011bchto nev\u00fdhod, poskytuj\u00ed \u010dast\u00e9 obnovov\u00e1n\u00ed v\u00fdsledk\u016f a &#8211; co\u017e je tak\u00e9 d\u016fle\u017eit\u00e9 &#8211; trivi\u00e1ln\u011b jednoduchou obsluhu. N\u011bkter\u00e9 modely dokonce umo\u017e\u0148uj\u00ed zaznamen\u00e1vat v\u00fdsledky m\u011b\u0159en\u00ed nebo je p\u0159en\u00e1\u0161et do po\u010d\u00edta\u010de, nap\u0159. prost\u0159ednictv\u00edm <strong>kabelu USB<\/strong> nebo dokonce&#8230;<strong> Bluetooth<\/strong>.<\/span><\/p>\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<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-ff114c7\" data-id=\"ff114c7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6a6e038 elementor-widget elementor-widget-spacer\" data-id=\"6a6e038\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0adcb3d elementor-widget elementor-widget-image\" data-id=\"0adcb3d\" data-element_type=\"widget\" data-e-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:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/01\/miernikanalogowy.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"xr:d:DAF6IfYseDs:3,j:4874436458419049052,t:24011710\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NzQ3MTYsInVybCI6Imh0dHBzOlwvXC9ib3RsYW5kLmN6XC9ibG9nXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDI0XC8wMVwvbWllcm5pa2FuYWxvZ293eS5qcGcifQ%3D%3D\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"540\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/01\/miernikanalogowy-1024x691.jpg\" class=\"attachment-large size-large wp-image-74716\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/01\/miernikanalogowy-1024x691.jpg 1024w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/01\/miernikanalogowy-300x202.jpg 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/01\/miernikanalogowy-768x518.jpg 768w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/01\/miernikanalogowy.jpg 1119w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c51707 elementor-widget elementor-widget-spacer\" data-id=\"7c51707\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d80015 elementor-widget elementor-widget-heading\" data-id=\"9d80015\" data-element_type=\"widget\" data-e-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\">Z\u00e1kladn\u00ed m\u011b\u0159ic\u00ed p\u0159\u00edstroje v d\u00edln\u011b elektronika<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-2595822 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2595822\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-0bed2b2\" data-id=\"0bed2b2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0613e43 elementor-widget elementor-widget-text-editor\" data-id=\"0613e43\" data-element_type=\"widget\" data-e-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>Pro ka\u017ed\u00e9ho elektronika je samoz\u0159ejm\u011b z\u00e1kladn\u00edm m\u011b\u0159ic\u00edm p\u0159\u00edstrojem <a href=\"https:\/\/botland.cz\/574-univerzalni-merice\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>multimetr.<\/strong><\/a>Nen\u00ed to n\u00e1hoda, proto\u017ee d\u00edky \u0161irok\u00e9mu spektru funkc\u00ed (t\u00e9m\u011b\u0159 ka\u017ed\u00fd <strong>multimetr<\/strong> um\u00ed m\u011b\u0159it alespo\u0148 stejnosm\u011brn\u00e9 nap\u011bt\u00ed a proud, st\u0159\u00eddav\u00e9 nap\u011bt\u00ed a odpor) je tato t\u0159\u00edda p\u0159\u00edstroj\u016f zdaleka nejpou\u017e\u00edvan\u011bj\u0161\u00ed. N\u011bkter\u00e9 multimetry umo\u017e\u0148uj\u00ed m\u011b\u0159en\u00ed kapacity, induk\u010dnosti, frekvence nebo \u010dinitele pln\u011bn\u00ed st\u0159\u00eddav\u00fdch sign\u00e1l\u016f, bezkontaktn\u00ed detekci elektrick\u00e9ho pole a dokonce i vyhodnocen\u00ed intenzity sv\u011btla (funkce luxmetru).<\/p>\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<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-55aa35e\" data-id=\"55aa35e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b7c3a98 elementor-widget elementor-widget-image\" data-id=\"b7c3a98\" data-element_type=\"widget\" data-e-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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/01\/18397_4.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"18397_4\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NzQ3MjAsInVybCI6Imh0dHBzOlwvXC9ib3RsYW5kLmN6XC9ibG9nXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDI0XC8wMVwvMTgzOTdfNC5qcGcifQ%3D%3D\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"514\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/01\/18397_4-1024x658.jpg\" class=\"attachment-large size-large wp-image-74720\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/01\/18397_4-1024x658.jpg 1024w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/01\/18397_4-300x193.jpg 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/01\/18397_4-768x494.jpg 768w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/01\/18397_4.jpg 1080w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Univerz\u00e1ln\u00ed m\u011b\u0159i\u010d Rebel RB-830.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\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-c09f7bf elementor-align-center elementor-widget elementor-widget-button\" data-id=\"c09f7bf\" data-element_type=\"widget\" data-e-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=\"https:\/\/botland.cz\/univerzalni-merice\/18397-univerzalni-meric-rebel-rb-830-5901890058087.html\" data-wpel-link=\"internal\">\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\">POD\u00cdVEJTE SE NA<\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-515d732 elementor-widget elementor-widget-spacer\" data-id=\"515d732\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-22a7d15 elementor-grid-1 elementor-posts--thumbnail-left elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-widget elementor-widget-posts\" data-id=\"22a7d15\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;classic_columns&quot;:&quot;1&quot;,&quot;classic_columns_tablet&quot;:&quot;2&quot;,&quot;classic_columns_mobile&quot;:&quot;1&quot;,&quot;classic_row_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:35,&quot;sizes&quot;:[]},&quot;classic_row_gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;classic_row_gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"posts.classic\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-posts-container elementor-posts elementor-posts--skin-classic elementor-grid\" role=\"list\">\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-65568 post type-post status-publish format-standard has-post-thumbnail hentry category-elektronika-cs category-kompendium-cs category-poradenstvi\" role=\"listitem\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/botland.cz\/blog\/multimetr-co-to-jest-i-jaki-wybrac-2\/\" tabindex=\"-1\" target=\"&quot;_blank&quot;\" data-wpel-link=\"internal\">\n\t\t\t<div class=\"elementor-post__thumbnail\"><img decoding=\"async\" width=\"300\" height=\"150\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/06\/multimetr2-300x150.jpg\" class=\"attachment-medium size-medium wp-image-63924\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/06\/multimetr2-300x150.jpg 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/06\/multimetr2-1024x512.jpg 1024w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/06\/multimetr2-768x384.jpg 768w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/06\/multimetr2.jpg 1510w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div>\n\t\t<\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/botland.cz\/blog\/multimetr-co-to-jest-i-jaki-wybrac-2\/\" target=\"&quot;_blank&quot;\" data-wpel-link=\"internal\">\n\t\t\t\tMultimetr &#8211; co to je a jak\u00fd vybrat?\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\t8. 6. 2023\t\t<\/span>\n\t\t\t\t<span class=\"elementor-post-avatar\">\n\t\t\t\u017d\u00e1dn\u00e9 koment\u00e1\u0159e\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Multimetry jsou jako kl\u00ed\u010d k probl\u00e9mu. Jedn\u00e1 se o neoceniteln\u00e9 n\u00e1stroje pro \u0159e\u0161en\u00ed probl\u00e9m\u016f s celou \u0159adou elektrick\u00fdch komponent a za\u0159\u00edzen\u00ed. Zde jsou n\u011bkter\u00e9 z jejich vyu\u017eit\u00ed a z\u00e1rove\u0148 argumenty pro n\u00e1kup multimetru do dom\u00e1cnosti. <\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/botland.cz\/blog\/multimetr-co-to-jest-i-jaki-wybrac-2\/\" aria-label=\"Read more about Multimetr &#8211; co to je a jak\u00fd vybrat?\" tabindex=\"-1\" target=\"_blank\" data-wpel-link=\"internal\">\n\t\t\tP\u0159e\u010dt\u011bte si v\u00edce \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6a9cead elementor-widget elementor-widget-spacer\" data-id=\"6a9cead\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-890b81c elementor-widget elementor-widget-text-editor\" data-id=\"890b81c\" data-element_type=\"widget\" data-e-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><strong>Specializovan\u00e9 m\u011b\u0159idla<\/strong> tvo\u0159\u00ed samostatnou skupinu. P\u0159i diagnostice elektrick\u00fdch instalac\u00ed hraj\u00ed velmi d\u016fle\u017eitou roli mimo jin\u00e9 <a href=\"https:\/\/botland.cz\/579-merice-odporu\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>m\u011b\u0159i\u010de rezistence<\/strong><\/a> <strong>uzemn\u011bn\u00ed<\/strong> a p\u0159\u00edstroje pro m\u011b\u0159en\u00ed <strong>rezistence izolace<\/strong> (vyu\u017e\u00edvaj\u00edc\u00ed vysok\u00e9 nap\u011bt\u00ed v \u0159\u00e1du 1 000 V). Servisn\u00ed technici star\u0161\u00edch elektronick\u00fdch za\u0159\u00edzen\u00ed i ti, kte\u0159\u00ed navrhuj\u00ed a vyr\u00e1b\u011bj\u00ed vlastn\u00ed elektronick\u00e9 obvody, p\u0159i sv\u00e9 pr\u00e1ci \u010dasto pou\u017e\u00edvaj\u00ed <strong>testery sou\u010d\u00e1stek<\/strong>, zejm\u00e9na speci\u00e1ln\u00ed <strong>m\u011b\u0159i\u010de zes\u00edlen\u00ed bipol\u00e1rn\u00edch tranzistor\u016f<\/strong>.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-888de39 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"888de39\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-bb7b889\" data-id=\"bb7b889\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-690bfde elementor-widget elementor-widget-image\" data-id=\"690bfde\" data-element_type=\"widget\" data-e-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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/01\/14948_3.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"14948_3\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NzQ3MjQsInVybCI6Imh0dHBzOlwvXC9ib3RsYW5kLmN6XC9ibG9nXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDI0XC8wMVwvMTQ5NDhfMy5qcGcifQ%3D%3D\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"566\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/01\/14948_3-1024x724.jpg\" class=\"attachment-large size-large wp-image-74724\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/01\/14948_3-1024x724.jpg 1024w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/01\/14948_3-300x212.jpg 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/01\/14948_3-768x543.jpg 768w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2024\/01\/14948_3.jpg 1080w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Siglent SDS 1104X-E 100 MHz osciloskop 4 kan\u00e1ly.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\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-3a78f0c elementor-align-center elementor-widget elementor-widget-button\" data-id=\"3a78f0c\" data-element_type=\"widget\" data-e-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=\"https:\/\/botland.cz\/osciloskopy\/14948-siglent-sds-1104x-e-100-mhz-osciloskop-4-kanaly-5904422322793.html\" data-wpel-link=\"internal\">\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\">POD\u00cdVEJTE SE NA<\/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<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-acbcf19\" data-id=\"acbcf19\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6b62444 elementor-widget elementor-widget-text-editor\" data-id=\"6b62444\" data-element_type=\"widget\" data-e-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>Mimo kategorii typick\u00fdch m\u011b\u0159idel ji\u017e existuj\u00ed <a href=\"https:\/\/botland.cz\/577-osciloskopy\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>osciloskopy<\/strong><\/a>&#8211; ne n\u00e1hodou ozna\u010dovan\u00e9 jako &#8220;oko elektronika&#8221;, proto\u017ee pr\u00e1v\u011b ty umo\u017e\u0148uj\u00ed pozorovat pr\u016fb\u011bhy nap\u011bt\u00ed v elektronick\u00fdch obvodech. <\/p>\n<p>Na rozd\u00edl od <strong>multimetr\u016f<\/strong>, kter\u00e9 zobrazuj\u00ed v\u00fdsledky v \u010d\u00edseln\u00e9 podob\u011b, <strong>jsou<a href=\"https:\/\/botland.cz\/577-osciloskopy\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">osciloskopy<\/a> navr\u017eeny tak, aby generovaly grafy zm\u011bn vstupn\u00edho sign\u00e1lu v \u010dase<\/strong>, co\u017e poskytuje neoceniteln\u00e9 mo\u017enosti pro diagnostiku poruch v servisovan\u00fdch elektronick\u00fdch za\u0159\u00edzen\u00edch nebo testov\u00e1n\u00ed prototyp\u016f obvod\u016f.<\/p>\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ec6389 elementor-widget elementor-widget-spacer\" data-id=\"4ec6389\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5eb1b05 elementor-widget elementor-widget-heading\" data-id=\"5eb1b05\" data-element_type=\"widget\" data-e-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\">M\u011b\u0159i\u010de neelektrick\u00fdch veli\u010din<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2c7aec9 elementor-widget elementor-widget-text-editor\" data-id=\"2c7aec9\" data-element_type=\"widget\" data-e-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>Seznam u\u017eite\u010dn\u00fdch <a href=\"https:\/\/botland.cz\/228-merici-zarizeni\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>m\u011b\u0159ic\u00edch p\u0159\u00edstroj\u016f<\/strong><\/a> samoz\u0159ejm\u011b nekon\u010d\u00ed za\u0159\u00edzen\u00edm ur\u010den\u00fdm pro typicky &#8220;elektrick\u00e1&#8221; m\u011b\u0159en\u00ed. Vyplat\u00ed se po\u0159\u00eddit si bezkontaktn\u00ed <a href=\"https:\/\/botland.cz\/1442-merice-teploty\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>m\u011b\u0159i\u010d teploty<\/strong><\/a> (pyrometr), stejn\u011b jako b\u011b\u017en\u00fd <strong>elektronick\u00fd teplom\u011br s termo\u010dl\u00e1nkovou sondou<\/strong>. Velk\u00e9 uzn\u00e1n\u00ed robotik\u016fm a mechanik\u016fm jist\u011b p\u0159inese dobr\u00fd <a href=\"https:\/\/botland.cz\/1445-tachometry\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>ot\u00e1\u010dkom\u011br<\/strong><\/a> (tachometr), zat\u00edmco ti, kte\u0159\u00ed se zab\u00fdvaj\u00ed osv\u011btlen\u00edm (nap\u0159. LED), si obvykle nedok\u00e1\u017eou p\u0159edstavit pr\u00e1ci bez <a href=\"https:\/\/botland.cz\/839-merice-osvetleni\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>luxmetru<\/strong><\/a>. Seznam m\u011b\u0159ic\u00edch p\u0159\u00edstroj\u016f je v\u0161ak mnohem del\u0161\u00ed &#8211; pokud hled\u00e1te konkr\u00e9tn\u00ed p\u0159\u00edstroj, kter\u00fd by spl\u0148oval va\u0161e po\u017eadavky, ur\u010dit\u011b si prohl\u00e9dn\u011bte nab\u00eddku obchodu <a href=\"https:\/\/botland.cz\/\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>Botland<\/strong><\/a> v kategorii <a href=\"https:\/\/botland.cz\/45-nastroje-a-napajeni\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>N\u00e1\u0159ad\u00ed a nap\u00e1jen\u00ed<\/strong><\/a> \u2192 <a href=\"https:\/\/botland.cz\/228-merici-zarizeni\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\"><strong>M\u011b\u0159ic\u00ed p\u0159\u00edstroje<\/strong><\/a>.<\/p>\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Dobr\u00fd m\u011b\u0159i\u010d je z\u00e1kladem ka\u017ed\u00e9 d\u00edlny. Zjist\u011bte, co pot\u0159ebujete v\u011bd\u011bt p\u0159i kompletaci vybaven\u00ed pro amat\u00e9rskou d\u00edlnu elektroniky.<\/p>\n","protected":false},"author":22,"featured_media":74728,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7,179],"tags":[],"class_list":["post-76196","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elektronika","category-kompendium"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>M\u011b\u0159i\u010d - Co je to a k \u010demu slou\u017e\u00ed? - Botland<\/title>\n<meta name=\"description\" content=\"Dobr\u00fd m\u011b\u0159i\u010d je z\u00e1kladem ka\u017ed\u00e9 d\u00edlny. 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