{"id":1138,"date":"2025-09-01T12:28:02","date_gmt":"2025-09-01T10:28:02","guid":{"rendered":"https:\/\/srcsl.com\/que-es-un-sensor-pt100\/"},"modified":"2026-02-09T14:30:02","modified_gmt":"2026-02-09T13:30:02","slug":"zer-da-pt100-sentsore-bat","status":"publish","type":"post","link":"https:\/\/srcsl.com\/eu\/que-es-un-sensor-pt100\/","title":{"rendered":"Zer da PT100 zunda bat?"},"content":{"rendered":"
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ZER DA PT100 ZUNDA BAT?<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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PT100 tenperatura sentsore bat da, 0 \u00b0C-tan 100 ohmio dituena eta bere erresistentzia elektrikoa handitu egiten da tenperatura igo ahala. PT100 sentsore hau edozein erresistentzia-termometroren tenperatura sentikorra da. Muntatzeko moduaz gain, bere ezaugarriak dira funtsean sentsorearen neurketa teknikoak zehazten dituztenak.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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PT100 zundaren ezaugarriak<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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PT100-ren erresistentziaren igoera ez da lineala baina gero eta handiagoa eta platinoaren ezaugarria da, non taulen bidez dagokion tenperatura zehatza aurki daitekeela. Normalean, PT100 zundak industrialak termopareen modu berean kapsulatutako fabrikatzen dira, hau da, altzairu herdoilgaitzezko hodi baten edo beste material baten barruan (zorroa).<\/p>

Mutur batean elementu sentikorra dago (RTD sentsorea) eta bestean aluminiozko kaxa biribil baten barruan (burua) babestutako kableen terminal elektrikoa dago.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Eraikuntza eta funtzionamendua<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Eraikuntza-metodoaren arabera, PT100 sentsorearen tenperaturarekiko sentikorra den hari-bildutako zatia, platinozko hari edo zinta moduan, zeramikazko edo beirazko gorputz batean kapsulatzen da, edo geruza fin gisa aplikatzen da zeramikazko plaka batean. Neurketa-elementuaren terminalak erresistentzia-zati aktiboari konektatuta daude, bibrazioekiko erresistenteak izan daitezen.<\/p>

PT100 anitzen kasuan, bobina indibidualak beren terminal bikoteen luzera desberdinen bidez identifikatzen dira. PT100en funtzionamendu printzipioa haien erresistentzia elektrikoaren aldaketa da, eta hori jasaten dituzten tenperaturaren arabera aldatzen da. Elementu hedatu gisa, PT100ak batez besteko tenperatura neurtzen du bere luzera osoan zehar.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Tenperatura\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
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Gure zunden estandarrak<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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SRC-k hornitu eta instalatutako platinozko PT100 sentsore guztiek DIN IEC 751-ren oinarrizko balioak eta desbideratze onargarriak betetzen dituzte. DIN balioak 100 ohm-ko erresistentzia nominal bati aplikatzen zaizkio. PT100 sentsorearen tenperatura-egonkortasunak, neurtutako balioei dagokienez, DIN IEC eskakizunak ere betetzen edo gainditzen ditu.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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PT100 zundaren motak eta muntaketak<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Platinozko PT100 sentsore batekin tenperatura neurketa fidagarria lortzeko, haren ezaugarri mekaniko eta teknikoak (tamaina, forma, bibrazio-erresistentzia, tenperatura-tartea, erantzun-denbora, isolamendu-erresistentzia, etab.) neurketa-klasearentzat eta aplikazioaren baldintzetarako egokiak izan behar dira. Modelo estandarrenek altzairu herdoilgaitzezko babes-hodi bat dute, non sentsorea jartzen den eta kable, konektore edo goiburu bidezko irteera duen.<\/p>

PT100-ren tenperatura-tarteaz gain, muntatzeak PT100-ren tenperatura-tartea zehaztuko du.<\/p>

PT100 modelo egokia hautatu beharraz gain, neurtu nahi den lekuan muntatzeak garrantzi berezia du. Honek ezagutza maila handia eskatzen du, beraz, gure aplikazioetako teknikariaren aholkuak gomendatzen ditugu.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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PT100 zunden abantailak<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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PT100ak zertxobait garestiagoak direnez eta mekanikoki ez dira termopareak bezain zurrunak, batez ere tenperatura baxuko aplikazioetan errendimendu handiagoa dute. (-100 eta 200\u00b0-ra). PT100 sentsoreek gradu hamarren bateko zehaztasunak erraz eman ditzakete, PT100-a ez dela pixkanaka-pixkanaka apurtzen irakurketa okerrak emanez, baina normalean irekitzen dela, neurketa-gailuak berehala detektatzen du sentsorearen hutsegitea eta abisua ematen du.<\/p>

Portaera hau abantaila handia da detektatu gabeko tenperatura-desbideratze batek kalte larriak eragin ditzaketen gailu mota guztietan. Gainera, PT100 neurgailutik distantzia jakin batera jar daiteke arazo handirik gabe luzapena egiteko kobrezko kable konbentzionala erabiliz. Seinale-galerak minimizatzeko konexio motaren araberakoa izango da, jarraian erakutsiko ditugu.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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PT100 zunden erabilerarako neurriak<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Ingurune oso hezeetan ohikoa da kableak hondatzea eta hezetasun kondentsatuaren bidez haien artean korrontea pasatzea. Gutxienekoa bada ere, "ihes" korronte horrek irakurlea benetakoa baino tenperatura baxuagoan agertuko du. Isuri hauek terminalak estaltzen dituzten herdoilagatik, hezetasunetik edo hautsagatik ere gerta daitezke.
Neurketa-metodoen deskribapenetik, argi dago termopareak ez bezala, ezin direla 2 irakurketa-unitate konektatu Pt100 berari, bakoitzak bere kitzikapen-korrontea ematen baitu.<\/p>

Pt100 sentsore bat erostean, kontuan izan behar da kalitate eta prezio desberdinak daudela Pt100 sentsorearen amaieran doan sentsore-elementuarentzat. Kalitate onenekoak benetako platinozko alanbre batekin egiten dira, eta badira sentsore merke batzuk aluminazko (zeramikazko) substratu batean pintura eroalean egindakoak.Azken hauek ez dira hain zehatzak.
Orokorrean, Pt100 bat ez da bibrazio asko jasaten duten lekuetan muntatu behar, haustura gerta baitaiteke.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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PT100 zunden konexioa<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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- PT 100 2-HARIKOA -\u00a0<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\u00a0Konektatzeko modurik errazena (baina gutxienez gomendagarria) bi kable besterik ez da. Hau tenperatura erregulatzailetik 10 metrora neurtzeko bakarrik gomendatzen da, hortik pt100 sentsoreak seinale galerak izan ditzakeelako.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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- PT 100 3-HARIKOA -\u00a0<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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3 hariko konexio metodoa da industria prozesuetan ohikoena eta erabiliena, kableek eragindako erroreen arazoa eraginkortasunez konpontzen baitu. Baldintza bakarra hiru hariek erresistentzia elektriko bera izatea da, neurketa sistema (ia beti) Wheatstone zubian oinarritzen baita. Jakina, tenperatura sentsorea konexio mota honekin bateragarria izan behar da. Industria ekipamendu gehienak 3 hariko konexioetarako diseinatuta daude.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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- PT 100 4-HARIKOA -\u00a0<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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4 hari metodoa denetan zehatzena da eta laborategian erabiltzen da. 4 hariak desberdinak izan daitezke (erresistentzia ezberdina) baina irakurketa tresna garestiagoa da.<\/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

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PT100 ZUNDA PERTSONALIZATU BAT BEHAR AL DUZU?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\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

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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tBIDALI 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":"

\u00bfQUE ES UNA SONDA PT100? El PT100 es un sensor de temperatura que a 0 \u00b0C tiene 100 ohms y que al aumentar la temperatura aumenta su resistencia el\u00e9ctrica. Este sensor PT100 es el coraz\u00f3n sensible a la temperatura de cualquier term\u00f3metro de resistencia. Aparte de la forma de montaje, son sus caracter\u00edsticas las que […]<\/p>\n","protected":false},"author":5,"featured_media":4967,"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":[73,74,166,167,72,179,178],"class_list":["post-1138","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias","tag-caracteristicas-pt-100","tag-conexionado-pt-100","tag-pt100","tag-rtd","tag-sensor-pt-100","tag-sensores-pt100","tag-sondas-pt100"],"yoast_head":"\n\u00bfQu\u00e9 es una sonda PT100? RTD para todo tipo de aplicaciones<\/title>\n<meta name=\"description\" content=\"\u00bfQu\u00e9 es y como funciona una sonda PT100? SRC produce sensores RTD para todo tipo de aplicaciones industriales.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/srcsl.com\/eu\/zer-da-pt100-sentsore-bat\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00bfQu\u00e9 es una sonda PT100? RTD para todo tipo de aplicaciones\" \/>\n<meta property=\"og:description\" content=\"\u00bfQu\u00e9 es y como funciona una sonda PT100? 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