{"id":17212,"date":"2024-11-26T17:38:08","date_gmt":"2024-11-26T20:38:08","guid":{"rendered":"https:\/\/hangarmma.com.br\/blog\/?post_type=glossary&#038;p=17212"},"modified":"2024-11-26T17:38:08","modified_gmt":"2024-11-26T20:38:08","slug":"ohmimetro-em-shunt","status":"publish","type":"glossary","link":"https:\/\/hangarmma.com.br\/blog\/ohmimetro-em-shunt\/","title":{"rendered":"Ohm\u00edmetro em Shunt"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_56e822cc9e40388c31dd8e4d6891efab\" data-link=\"https:\/\/hangarmma.com.br\/blog\/ohmimetro\/\" href=\"https:\/\/hangarmma.com.br\/blog\/ohmimetro\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">Ohm&#xED;metro<\/a> tipo &#x201C;shunt&#x201D; &#xE9; projetado para medir pequenas resist&#xEA;ncias. A voltagem (E) &#xE9; aplicada ao <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_8475a091b5ac4429a52bc047365d267e\" data-link=\"https:\/\/hangarmma.com.br\/blog\/circuito\/\" href=\"https:\/\/hangarmma.com.br\/blog\/circuito\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">circuito<\/a> atrav&#xE9;s de um <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_a8b6daf633dd2cd7278360ecaccdf9da\" data-link=\"https:\/\/hangarmma.com.br\/blog\/resistor\/\" href=\"https:\/\/hangarmma.com.br\/blog\/resistor\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">resistor<\/a> de limita&#xE7;&#xE3;o (R) e de um medidor em s&#xE9;rie. O valor de R &#xE9; dimensionado para que, quando os terminais de medi&#xE7;&#xE3;o (A e B) est&#xE3;o abertos, o ponteiro do medidor desloque-se totalmente na escala, indicando a condi&#xE7;&#xE3;o de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_e2f1fa9d7585385943f64be84ba7aef6\" data-link=\"https:\/\/hangarmma.com.br\/blog\/circuito-aberto\/\" href=\"https:\/\/hangarmma.com.br\/blog\/circuito-aberto\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">circuito aberto<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Se os terminais A e B forem curtos, a resist&#xEA;ncia medida ser&#xE1; zero, pois a corrente fluir&#xE1; totalmente pelo <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_c8edfb3e16bc4b9f6ea9232f11547db3\" data-link=\"https:\/\/hangarmma.com.br\/blog\/curto-circuito\/\" href=\"https:\/\/hangarmma.com.br\/blog\/curto-circuito\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">curto-circuito<\/a>, contornando o medidor. Quando uma resist&#xEA;ncia desconhecida RxR_x &#xE9; conectada entre A e B, ela entra em paralelo com o medidor. Assim, a corrente se divide proporcionalmente &#xE0;s resist&#xEA;ncias em paralelo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_a8b6daf633dd2cd7278360ecaccdf9da\" data-link=\"https:\/\/hangarmma.com.br\/blog\/resistor\/\" href=\"https:\/\/hangarmma.com.br\/blog\/resistor\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">resistor<\/a> de limita&#xE7;&#xE3;o, sendo de valor elevado, mant&#xE9;m a corrente fornecida pela <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_5e257e5764b5cc17979ce1676bbe0c24\" data-link=\"https:\/\/hangarmma.com.br\/blog\/bateria\/\" href=\"https:\/\/hangarmma.com.br\/blog\/bateria\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">bateria<\/a> praticamente constante, minimizando varia&#xE7;&#xF5;es que poderiam afetar a leitura. O valor de R2R_2 controla a quantidade de corrente que atravessa o medidor e o <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_a8b6daf633dd2cd7278360ecaccdf9da\" data-link=\"https:\/\/hangarmma.com.br\/blog\/resistor\/\" href=\"https:\/\/hangarmma.com.br\/blog\/resistor\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">resistor<\/a> de medi&#xE7;&#xE3;o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Devido ao fluxo cont&#xED;nuo de corrente durante a opera&#xE7;&#xE3;o, recomenda-se evitar a posi&#xE7;&#xE3;o de baixa escala de resist&#xEA;ncia por longos per&#xED;odos, para prevenir desgaste desnecess&#xE1;rio do instrumento e da <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_5e257e5764b5cc17979ce1676bbe0c24\" data-link=\"https:\/\/hangarmma.com.br\/blog\/bateria\/\" href=\"https:\/\/hangarmma.com.br\/blog\/bateria\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">bateria<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ohm\u00edmetro tipo \u201cshunt\u201d \u00e9 projetado para medir pequenas resist\u00eancias. A voltagem (E) \u00e9 aplicada ao circuito atrav\u00e9s de um resistor de limita\u00e7\u00e3o (R) e de um medidor em s\u00e9rie. O valor de R \u00e9 dimensionado para que, quando os terminais de medi\u00e7\u00e3o (A e B) est\u00e3o abertos, o ponteiro do medidor desloque-se totalmente na escala, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"glossary-categories":[],"glossary-tags":[],"class_list":["post-17212","glossary","type-glossary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ohm\u00edmetro em Shunt - HANGAR MMA<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hangarmma.com.br\/blog\/ohmimetro-em-shunt\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ohm\u00edmetro em Shunt - HANGAR MMA\" \/>\n<meta property=\"og:description\" content=\"Ohm\u00edmetro tipo \u201cshunt\u201d \u00e9 projetado para medir pequenas resist\u00eancias. 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