{"id":1148,"date":"2025-08-01T12:58:29","date_gmt":"2025-08-01T10:58:29","guid":{"rendered":"https:\/\/srcsl.com\/termopares-la-ciencia-de-la-termometria\/"},"modified":"2026-02-09T14:37:32","modified_gmt":"2026-02-09T13:37:32","slug":"termopareak-termometriaren-zientzia","status":"publish","type":"post","link":"https:\/\/srcsl.com\/eu\/termopareak-termometriaren-zientzia\/","title":{"rendered":"Zer da termopare bat eta nola funtzionatzen du?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"1148\" class=\"elementor elementor-1148\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-bd6ffd2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"bd6ffd2\" data-element_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-74711e7b\" data-id=\"74711e7b\" data-element_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-a7e6ff5 elementor-widget elementor-widget-heading\" data-id=\"a7e6ff5\" data-element_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\">ZER DA TERMOPARE BAT?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-36b038d elementor-widget elementor-widget-text-editor\" data-id=\"36b038d\" data-element_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>Termopareak material ezberdinetako bi hari metalikoz osatuta daude, mutur batean elkartuta. Elkargune honek neurketa-puntua osatzen du (juntura beroa). Beste muturrean bilgune hotza deitzen zaio.<\/p><p>Neurketaren junturaren berotzeak tentsio elektriko bat eragiten du, gutxi gorabehera tenperaturarekiko proportzionala. (Efektu termoelektrikoa, Seebeck efektua). Tentsio hori (EMF indar elektroeragilea) bi faktoreri dagokio: bi materialen elektrodo-dentsitate desberdinari eta puntu beroaren eta puntu hotzaren arteko tenperatura-diferentziari.<\/p><p>Horrek esan nahi du termopare batek ez duela tenperatura absolutua neurtzen, baizik eta arteko tenperatura diferentziala:<\/p><p><img decoding=\"async\" class=\"alignleft wp-image-1149 size-medium\" src=\"https:\/\/srcsl.com\/wp-content\/uploads\/2023\/06\/news_termopar2-300x94-1.jpg\" alt=\"berriak_termopare2\" width=\"300\" height=\"94\" \/><\/p><p>T1 bilgune beroa<br \/>T2 bidegurutze hotza<\/p><p>Tentsio elektrikoaren neurketa giro-tenperaturan egiten denez, tentsio-balioak tenperatura-balio baxuegia adieraziko luke giro-tenperatura kentzen denez. Tenperatura absolutuaren balioa mantentzeko, &quot;juntura hotzaren konpentsazioa&quot; aplikatzen da.<\/p><p><img decoding=\"async\" class=\"alignleft wp-image-1150 size-full\" src=\"https:\/\/srcsl.com\/wp-content\/uploads\/2023\/06\/news_termopar1.jpg\" alt=\"berriak_termopare1\" width=\"195\" height=\"195\" \/>Iraganean (kalibrazio laborategi batzuetan oraindik gaur egun), konpentsazio hori punta hotza izotz-bainu batean murgilduta egiten zen.<\/p><p>Termopare sarrera duten tresna modernoetan (adibidez, transmisoreak, neurgailu eramangarriak edo panelean muntatutako tresnak, etab.) hotzaren konpentsazio elektronikoa sartzen da.<\/p><p>Metal bakoitzak elektronegatibitate espezifiko bat du. (Electronegatibitatea = atomoek elektroiak erakartzeko edo igortzeko duten joera)<\/p><p>Estres termiko maximoa lortzeko, materialen konbinazio espezifikoak aplikatzen dira elektronegatibotasun oso desberdinak dituzten termopareak sortzeko. Material konbinazio hauek muga batzuk dituzte, adibidez, aplikazioaren tenperatura maximoagatik.<\/p><p>Estandar hauek termopareak definitzen dituzte:<\/p><ul><li>IEC 60584-1: Termopareak - Tentsio termikoen oinarrizko balioak<\/li><li>IEC 60584-2: Termopareak - Esfortzu termikoen desbideraketak mugatzea<\/li><li>IEC 60584-3: termopareak: termopare kableak eta konpentsazio kableak<\/li><\/ul><p>ASTM E230:<\/p><p><a href=\"https:\/\/srcsl.com\/catalogoPDFs\/AreaTecnica\/Codigos_colores_Termopares.pdf\">Termopare estandarizatuetarako zehaztapen estandarrak eta indar elektroeragilea (EMF) dituzten taulak.<\/a><\/p>\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-a7df099 elementor-widget elementor-widget-heading\" data-id=\"a7df099\" data-element_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\">ZEIN TERMOKOPLE MOTAK DAUDE?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4976971 elementor-widget elementor-widget-text-editor\" data-id=\"4976971\" data-element_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>Termopareak metal konbinazio edo kalibrazio ezberdinetan daude eskuragarri, aplikazio ezberdinetara egokitzeko. Hiru ohikoenak J, K eta T motako kalibrazioak dira, eta horien artean K motako termoparea da ezagunena tenperatura-barruti zabalagatik eta kostu baxuagatik. K motako termopareak nikel-kromo positibo bat eta nikel-aluminio negatibo bat ditu.<\/p><p>Tenperatura altuko R, S, B, G, C eta D motako kalibrazioak daude, 2320 \u00b0 C-rainoko errendimendua eskaintzen dutenak. Metal preziatuez eginak daude (platino\/rodio eta wolframio\/renio) eta, beraz, garesti samarrak dira.<\/p><p>Kalibrazio bakoitzak tenperatura-tarte eta lan-ingurune desberdinak ditu. Termoparearen kalibrazioak tenperatura-tartea agintzen badu ere, gehienezko tartea termoparearen hariaren diametroak ere mugatzen du. Hau da, baliteke termopare oso mehe bat ezin izatea nahi den tenperatura-tartera iritsi.<\/p><p>Gure <a href=\"https:\/\/srcsl.com\/catalogo\/termopares-industriales\/\" target=\"_blank\" rel=\"noopener\"> Termopareentzako gehienezko tenperatura gida<\/a> termopare mota bakoitzaren tenperatura maximoak eta hari-diametroak erakusten ditu. Gida honek goiko tenperatura-mugak ere ematen ditu mineralez isolatutako termopare-zundetarako estalkien diametro arruntetan.<\/p>\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-0ad414b elementor-widget elementor-widget-heading\" data-id=\"0ad414b\" data-element_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\">Nola aukeratu termopare mota bat?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4a3537f elementor-widget elementor-widget-text-editor\" data-id=\"4a3537f\" data-element_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><a href=\"https:\/\/es.omega.com\/pptst\/TJ36-ICIN.html\"><img decoding=\"async\" src=\"https:\/\/srcsl.com\/wp-content\/uploads\/2023\/06\/TJ36-CC_chb_m.jpg\" alt=\"Trantsizio-juntura termoparearen zunda\" align=\"right\" \/><\/a> Termopareak tenperatura-tarte oso zabaletan neurtzen direnez eta nahiko sendoak direnez, termopareak asko erabiltzen dira industrian. Termopare bat aukeratzeko irizpide hauek erabiltzen dira:<\/p><ul><li>Tenperatura tartea<\/li><li>Termoparearen edo zorroaren materialaren erresistentzia kimikoa<\/li><li>Urradura eta bibrazio erresistentzia<\/li><li>Instalazio-baldintzak (baliteke lehendik dauden ekipoekin bateragarria izan behar izatea; dauden zuloek zundaren diametroa zehaztu dezakete)<\/li><\/ul>\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-9a77ef8 elementor-widget elementor-widget-heading\" data-id=\"9a77ef8\" data-element_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\">erreferentzia-taulak<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e5fd74 elementor-widget elementor-widget-text-editor\" data-id=\"8e5fd74\" data-element_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>Termopareak neurtzen ari den tenperaturarekin korrelazionatu daitekeen tentsio-irteera bat sortzen du. Beheko taulan dauden dokumentuek termopare mota jakin baterako tolerantziak eta dagokien tenperaturak ematen dituzte. Dokumentu gehienek termoparearen tenperatura-tartea, errore-mugak eta ingurune-baldintzak ere ematen dituzte.<\/p>\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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cae30a9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cae30a9\" data-element_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-b3150ef\" data-id=\"b3150ef\" data-element_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-3a024e7 elementor-widget elementor-widget-heading\" data-id=\"3a024e7\" data-element_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-large\">NEURRIRA EGINDAKO TERMOKOPLE BAT BEHAR AL DUZU?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-85cfe1c elementor-widget elementor-widget-text-editor\" data-id=\"85cfe1c\" data-element_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 style=\"font-weight: 400; text-align: center;\">\u00a0Bidali zure kontsulta eta gure sail teknikoak ahalik eta azkarren jarriko da zurekin harremanetan.<\/p>\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-d4d7fea elementor-align-center elementor-widget elementor-widget-button\" data-id=\"d4d7fea\" data-element_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=\"mailto:consultas@srcsl.com\">\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\">BIDALI KONTSULTA<\/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>","protected":false},"excerpt":{"rendered":"<p>\u00bfQU\u00c9 ES UN TERMOPAR? Los termopares consisten en dos hilos met\u00e1licos de diferentes materiales, unidos en un extremo. Esta uni\u00f3n constituye el punto de medici\u00f3n (junta caliente, hot junction). El otro extremo se llama junta fr\u00eda (cold junction). El calentamiento de la junta de medici\u00f3n provoca una tensi\u00f3n el\u00e9ctrica, aproximadamente proporcional a la temperatura. (Efecto [&hellip;]<\/p>","protected":false},"author":5,"featured_media":2559,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[51],"tags":[196,64,194,193,54,195],"class_list":["post-1148","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias","tag-sensorica-industrial","tag-termometria","tag-termopar-bayoneta","tag-termopar-encamisado","tag-termopares","tag-thermocouple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - 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