{"id":1377,"date":"2025-03-24T14:46:03","date_gmt":"2025-03-24T14:46:03","guid":{"rendered":"https:\/\/www.itsensor.it\/blog\/?p=1377"},"modified":"2025-04-11T09:58:32","modified_gmt":"2025-04-11T09:58:32","slug":"sonde-pt100-schemi-di-collegamento-e-consigli-tecnici","status":"publish","type":"post","link":"https:\/\/www.itsensor.it\/blog\/sonde-pt100-schemi-di-collegamento-e-consigli-tecnici\/","title":{"rendered":"Sonde PT100: schemi di collegamento e consigli tecnici"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1377\" class=\"elementor elementor-1377\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3935932 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3935932\" 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-7829a61\" data-id=\"7829a61\" 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-3979208 elementor-widget elementor-widget-text-editor\" data-id=\"3979208\" 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><span style=\"font-weight: 400;\">Le sonde PT100 sono dispositivi appartenenti alla categoria degli RTD (Resistance Temperature Detectors) e si caratterizzano per la loro alta precisione e stabilit\u00e0. Il nome \u201cPT100\u201d indica che, <\/span><b>a 0\u00b0C, il sensore ha una resistenza di 100 \u03a9<\/b><span style=\"font-weight: 400;\">. Grazie alle loro caratteristiche, queste sonde vengono utilizzate in svariate applicazioni industriali, dalla gestione dei processi produttivi alla ricerca scientifica.<\/span><\/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-2b42d74 elementor-widget elementor-widget-heading\" data-id=\"2b42d74\" 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<h3 class=\"elementor-heading-title elementor-size-default\">Tipologie di collegamento delle sonde PT100<\/h3>\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-41e8f79 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"41e8f79\" 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-ea0eec8\" data-id=\"ea0eec8\" 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-c00fc4d elementor-widget elementor-widget-text-editor\" data-id=\"c00fc4d\" 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><span style=\"font-weight: 400;\">Il collegamento corretto della sonda PT100 \u00e8 fondamentale per ottenere misurazioni accurate. Esistono tre principali configurazioni di cablaggio:<\/span><\/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-dddfb0c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dddfb0c\" 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-8c4a062\" data-id=\"8c4a062\" 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-3df5e8d elementor-widget elementor-widget-heading\" data-id=\"3df5e8d\" 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<h3 class=\"elementor-heading-title elementor-size-default\">&gt; Collegamento a 2 fili<\/h3>\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-c574d33 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c574d33\" 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-bb2f7b5\" data-id=\"bb2f7b5\" 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-aaf0cfa elementor-widget elementor-widget-text-editor\" data-id=\"aaf0cfa\" 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><span style=\"font-weight: 400;\">La configurazione a 2 fili \u00e8 la pi\u00f9 semplice e viene impiegata in applicazioni dove la precisione non \u00e8 critica.\u00a0<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Vantaggi:<\/b><span style=\"font-weight: 400;\"> Installazione semplice e costi ridotti.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Svantaggi:<\/b><span style=\"font-weight: 400;\"> La resistenza dei fili pu\u00f2 introdurre errori, soprattutto in cablaggi lunghi.\u00a0<br \/><br \/><\/span><\/li><\/ul><h3 style=\"text-align: center;\"><a href=\"https:\/\/www.itsensor.it\/sonda-di-temperatura-50mm-con-cavo-di-collegamento-e-uscita-passiva-cod-htf50.html\"><span style=\"font-weight: 400;\">&gt;&gt; PT100 A 2 FILI &lt;&lt;<\/span><\/a><\/h3>\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-51849ed elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"51849ed\" 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-fecde4f\" data-id=\"fecde4f\" 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-9138587 elementor-widget elementor-widget-heading\" data-id=\"9138587\" 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<h3 class=\"elementor-heading-title elementor-size-default\">&gt; Collegamento a 3 fili<\/h3>\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-fab0b26 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fab0b26\" 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-1fd985d\" data-id=\"1fd985d\" 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-f35c8ac elementor-widget elementor-widget-text-editor\" data-id=\"f35c8ac\" 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><b>Descrizione:<\/b><span style=\"font-weight: 400;\"> La configurazione a 3 fili \u00e8 la pi\u00f9 utilizzata per le sonde PT100, poich\u00e9 permette di compensare la resistenza dei cavi, migliorando la precisione.<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Vantaggi:<\/b><span style=\"font-weight: 400;\"> Ottimale bilanciamento tra semplicit\u00e0 e accuratezza; riduzione degli errori di misura dovuti alla resistenza dei fili.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Svantaggi:<\/b><span style=\"font-weight: 400;\"> Richiede un cavo in pi\u00f9 rispetto alla soluzione a 2 fili.<\/span><\/li><\/ul><h3 style=\"text-align: center;\"><a href=\"https:\/\/www.itsensor.it\/sonda-pt100-con-cavo-di-collegamento-in-pvc-telfon-silicone-o-fibra-di-vetro-o-6-mm-cod-slsr.html\"><span style=\"font-weight: 400;\">&gt;&gt; PT100 A 3 FILI &lt;&lt;<\/span><\/a><\/h3>\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-76c511c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"76c511c\" 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-56b3689\" data-id=\"56b3689\" 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-d994efe elementor-widget elementor-widget-heading\" data-id=\"d994efe\" 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<h3 class=\"elementor-heading-title elementor-size-default\">&gt; Collegamento a 4 fili<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c17fd60 elementor-widget elementor-widget-text-editor\" data-id=\"c17fd60\" 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><b>Descrizione:<\/b><span style=\"font-weight: 400;\"> Il collegamento a 4 fili \u00e8 impiegato in applicazioni ad altissima precisione, dove ogni minimo errore pu\u00f2 compromettere la misura.<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Vantaggi:<\/b><span style=\"font-weight: 400;\"> Elimina quasi completamente l&#8217;effetto della resistenza dei cavi, garantendo una misurazione estremamente accurata.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Svantaggi:<\/b><span style=\"font-weight: 400;\"> Pi\u00f9 complesso e costoso da implementare.<br \/><br \/><\/span><\/li><\/ul><h3 style=\"text-align: center;\"><a href=\"https:\/\/www.itsensor.it\/sonda-pt100-inox-immergibile-isolata-o6-cod-p1b.html\"><span style=\"font-weight: 400;\">&gt;&gt; PT100 A 4 FILI &lt;&lt;<\/span><\/a><\/h3>\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-57a1a05 elementor-widget elementor-widget-heading\" data-id=\"57a1a05\" 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\">Come collegare una PT100: schemi di collegamento \n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e983042 elementor-widget elementor-widget-heading\" data-id=\"e983042\" 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<h3 class=\"elementor-heading-title elementor-size-default\">&gt; Schema di collegamento a 2 fili<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f4d1c74 elementor-widget elementor-widget-image\" data-id=\"f4d1c74\" 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:\/\/www.itsensor.it\/sonda-di-co2-e-temperatura-per-ambiente-con-uscite-0-10v-cod-fstm-co2.html\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"268\" height=\"135\" src=\"https:\/\/www.itsensor.it\/blog\/wp-content\/uploads\/2025\/03\/PT100-2F.png\" class=\"attachment-large size-large wp-image-1382\" alt=\"\" \/>\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<div class=\"elementor-element elementor-element-8b525a2 elementor-widget elementor-widget-text-editor\" data-id=\"8b525a2\" 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><span style=\"font-weight: 400;\">In questo schema, i due fili collegano direttamente la sonda al sistema di misura. La semplicit\u00e0 del circuito \u00e8 ideale per applicazioni dove l\u2019errore introdotto dalla resistenza dei cavi \u00e8 trascurabile.<\/span><\/p><h3 style=\"text-align: center;\"><a href=\"https:\/\/www.itsensor.it\/sonda-di-temperatura-50mm-con-cavo-di-collegamento-e-uscita-passiva-cod-htf50.html\"><span style=\"font-weight: 400;\">&gt;&gt; PT100 A 2 FILI &lt;&lt;<\/span><\/a><\/h3>\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-c3e2556 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c3e2556\" 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-5ad8b71\" data-id=\"5ad8b71\" 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-4735f8f elementor-widget elementor-widget-heading\" data-id=\"4735f8f\" 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<h3 class=\"elementor-heading-title elementor-size-default\">&gt; Schema di collegamento a 3 fili<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a0b9369 elementor-widget elementor-widget-image\" data-id=\"a0b9369\" 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:\/\/www.itsensor.it\/sonda-di-co2-e-temperatura-per-ambiente-con-uscite-0-10v-cod-fstm-co2.html\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"273\" height=\"176\" src=\"https:\/\/www.itsensor.it\/blog\/wp-content\/uploads\/2025\/03\/PT100-3F.png\" class=\"attachment-large size-large wp-image-1383\" alt=\"\" \/>\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<div class=\"elementor-element elementor-element-d2fdaf3 elementor-widget elementor-widget-text-editor\" data-id=\"d2fdaf3\" 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><span style=\"font-weight: 400;\">Il terzo filo serve a compensare la resistenza del cavo. In questo schema, due fili sono collegati ai terminali della sonda, mentre il terzo \u00e8 usato per creare un circuito di bilanciamento, riducendo cos\u00ec gli errori di misura.<\/span><\/p><h3 style=\"text-align: center;\"><a href=\"https:\/\/www.itsensor.it\/sonda-pt100-con-cavo-di-collegamento-in-pvc-telfon-silicone-o-fibra-di-vetro-o-6-mm-cod-slsr.html\"><span style=\"font-weight: 400;\">&gt;&gt; PT100 A 3 FILI &lt;&lt;<\/span><\/a><\/h3>\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-3498b8b elementor-widget elementor-widget-heading\" data-id=\"3498b8b\" 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<h3 class=\"elementor-heading-title elementor-size-default\">&gt; Schema di collegamento a 4 fili\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-097da56 elementor-widget elementor-widget-image\" data-id=\"097da56\" 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:\/\/www.itsensor.it\/sonda-di-co2-e-temperatura-per-ambiente-con-uscite-0-10v-cod-fstm-co2.html\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"280\" height=\"232\" src=\"https:\/\/www.itsensor.it\/blog\/wp-content\/uploads\/2025\/03\/PT100-4F.png\" class=\"attachment-large size-large wp-image-1384\" alt=\"\" \/>\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<div class=\"elementor-element elementor-element-075fd5c elementor-widget elementor-widget-text-editor\" data-id=\"075fd5c\" 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><span style=\"font-weight: 400;\">La configurazione a 4 fili utilizza due coppie di fili: <\/span><b>una coppia per fornire la corrente e l\u2019altra per misurare la tensione<\/b><span style=\"font-weight: 400;\">. Questa separazione permette di eliminare completamente gli effetti della resistenza dei fili, garantendo la massima accuratezza.<\/span><\/p><h3 style=\"text-align: center;\"><a href=\"https:\/\/www.itsensor.it\/sonda-pt100-inox-immergibile-isolata-o6-cod-p1b.html\"><span style=\"font-weight: 400;\">&gt;&gt; PT100 A 4 FILI &lt;&lt;<\/span><\/a><\/h3>\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-e62cf29 elementor-widget elementor-widget-text-editor\" data-id=\"e62cf29\" 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><span style=\"font-weight: 400;\">Nota:<\/span><span style=\"font-weight: 400;\"> Le immagini sopra riportate sono esempi rappresentativi; in base all\u2019applicazione e al produttore potrebbero variare lievemente i dettagli del collegamento.<\/span><\/em><\/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-e150345 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e150345\" 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-c2496e4\" data-id=\"c2496e4\" 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-5ccb76f elementor-widget elementor-widget-heading\" data-id=\"5ccb76f\" 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\">Consigli per un collegamento efficace\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fd2448c elementor-widget elementor-widget-text-editor\" data-id=\"fd2448c\" 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<ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Selezione del cablaggio:<\/b><span style=\"font-weight: 400;\"> Per applicazioni ad alta precisione, \u00e8 consigliabile utilizzare cavi schermati e a bassa resistenza.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Compensazione della resistenza:<\/b><span style=\"font-weight: 400;\"> In ambienti industriali con lunghe distanze di cablaggio, la configurazione a 3 o 4 fili \u00e8 preferibile per compensare le perdite dovute alla resistenza.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Verifica dei contatti:<\/b><span style=\"font-weight: 400;\"> Assicurarsi che tutte le connessioni siano ben salde e che non vi siano ossidazioni o contaminazioni, che potrebbero compromettere la precisione della misura.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Utilizzo di strumenti di diagnostica:<\/b><span> L\u2019impiego di strumenti di misura e calibrazione consente di verificare l\u2019effettiva resistenza della sonda e la corretta compensazione dei cavi.<\/span><\/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-6d9f799 elementor-widget elementor-widget-heading\" data-id=\"6d9f799\" 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\">Come controllare una PT100: verifica e tabella delle resistenze<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8987583 elementor-widget elementor-widget-text-editor\" data-id=\"8987583\" 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><span style=\"font-weight: 400;\">Per verificare il corretto funzionamento di una sonda PT100, \u00e8 possibile effettuare un <\/span><b>controllo della resistenza elettrica utilizzando un multimetro digitale<\/b><span style=\"font-weight: 400;\"> ad alta precisione. La PT100 segue una <\/span><b>curva di resistenza ben definita in base alla temperatura<\/b><span style=\"font-weight: 400;\">, quindi il valore misurato deve corrispondere a quello atteso secondo la tabella delle resistenze standard.<\/span><\/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-8c78716 elementor-widget elementor-widget-image\" data-id=\"8c78716\" 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:\/\/www.itsensor.it\/temperatura\/termostati-e-regolatori\/termostati-ambiente.html\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"443\" height=\"353\" src=\"https:\/\/www.itsensor.it\/blog\/wp-content\/uploads\/2025\/03\/curva-PT100.jpg\" class=\"attachment-large size-large wp-image-1385\" alt=\"\" srcset=\"https:\/\/www.itsensor.it\/blog\/wp-content\/uploads\/2025\/03\/curva-PT100.jpg 443w, https:\/\/www.itsensor.it\/blog\/wp-content\/uploads\/2025\/03\/curva-PT100-300x239.jpg 300w\" sizes=\"(max-width: 443px) 100vw, 443px\" \/>\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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-aea4eee elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aea4eee\" 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-91de0cd\" data-id=\"91de0cd\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\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-b5f9c4c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b5f9c4c\" 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-48ad633\" data-id=\"48ad633\" 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-2bf8a7a elementor-widget elementor-widget-heading\" data-id=\"2bf8a7a\" 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\">Procedura per il controllo di una PT100:\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-21db648 elementor-widget elementor-widget-text-editor\" data-id=\"21db648\" 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<ol><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Disconnettere la sonda<\/b><span style=\"font-weight: 400;\"> dal sistema per evitare interferenze di altri componenti elettrici.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Impostare il multimetro<\/b><span style=\"font-weight: 400;\"> sulla misurazione della resistenza (Ohm).<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Misurare la resistenza<\/b><span style=\"font-weight: 400;\"> tra i terminali della PT100:<br \/><\/span><span style=\"font-weight: 400;\">&#8211; Per una configurazione <\/span><b>a 2 fili<\/b><span style=\"font-weight: 400;\">, misurare direttamente tra i due conduttori.<br \/><\/span><span style=\"font-weight: 400;\">&#8211; Per una configurazione <\/span><b>a 3 fili<\/b><span style=\"font-weight: 400;\">, misurare tra il primo e il secondo filo e tra il primo e il terzo filo (i valori devono essere uguali).<br \/><\/span><span style=\"font-weight: 400;\">&#8211; Per una configurazione <\/span><b>a 4 fili<\/b><span style=\"font-weight: 400;\">, si pu\u00f2 misurare tra i due fili dedicati alla misurazione della resistenza.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Confrontare il valore misurato<\/b><span> con la tabella delle resistenze della PT100.<\/span><\/li><\/ol>\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-c889498 elementor-widget elementor-widget-heading\" data-id=\"c889498\" 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<h3 class=\"elementor-heading-title elementor-size-default\">Esempio di tabella Resistenza-Temperatura per PT100 (Standard IEC 751):\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d500f26 elementor-widget elementor-widget-image\" data-id=\"d500f26\" 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<img loading=\"lazy\" decoding=\"async\" width=\"482\" height=\"483\" src=\"https:\/\/www.itsensor.it\/blog\/wp-content\/uploads\/2025\/03\/tabella-pt100.png\" class=\"attachment-large size-large wp-image-1381\" alt=\"\" srcset=\"https:\/\/www.itsensor.it\/blog\/wp-content\/uploads\/2025\/03\/tabella-pt100.png 482w, https:\/\/www.itsensor.it\/blog\/wp-content\/uploads\/2025\/03\/tabella-pt100-300x300.png 300w, https:\/\/www.itsensor.it\/blog\/wp-content\/uploads\/2025\/03\/tabella-pt100-150x150.png 150w\" sizes=\"(max-width: 482px) 100vw, 482px\" \/>\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<div class=\"elementor-element elementor-element-d497887 elementor-widget elementor-widget-text-editor\" data-id=\"d497887\" 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><span style=\"font-weight: 400;\">Se la resistenza misurata non corrisponde ai valori attesi, la sonda potrebbe essere danneggiata o avere un errore di connessione.<\/span><\/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-e1958a8 elementor-widget elementor-widget-heading\" data-id=\"e1958a8\" 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\">Applicazioni delle sonde PT100\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-906e609 elementor-widget elementor-widget-text-editor\" data-id=\"906e609\" 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><span style=\"font-weight: 400;\">Seguire le indicazioni precedentemente riportate non solo garantisce misurazioni precise, ma migliora anche l\u2019efficienza e l\u2019affidabilit\u00e0 del sistema di monitoraggio della temperatura. Tra le principali applicazioni si annoverano:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Automazione industriale:<\/b><span style=\"font-weight: 400;\"> Monitoraggio dei processi produttivi e controllo termico di macchinari e forni.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Impianti HVAC:<\/b><span style=\"font-weight: 400;\"> Gestione della climatizzazione in edifici e ambienti industriali.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ricerca e sperimentazione:<\/b><span> Ambienti di laboratorio dove la precisione della misura \u00e8 cruciale per i risultati sperimentali.<\/span><\/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-71b60a4 elementor-widget elementor-widget-text-editor\" data-id=\"71b60a4\" 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><span style=\"font-weight: 400;\">Il collegamento delle sonde PT100 richiede attenzione e competenza, soprattutto se si mira a ottenere misurazioni estremamente precise. La scelta della configurazione pi\u00f9 adatta \u2013 a 2, 3 o 4 fili \u2013 dipende dall\u2019applicazione specifica e dalle esigenze di accuratezza del sistema.<\/span><\/p><p><span style=\"font-weight: 400;\">Se desideri approfondire ulteriormente il tema e scoprire la nostra gamma completa di sonde PT100, visita il nostro store! Troverai <\/span><b>soluzioni innovative e materiali di alta qualit\u00e0<\/b><span style=\"font-weight: 400;\"> pensati per garantire performance ottimali in ogni ambiente di lavoro.<\/span><\/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-c924bd8 elementor-widget elementor-widget-heading\" data-id=\"c924bd8\" 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<h3 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.itsensor.it\/temperatura\/sonde-di-temperatura.html\">Garantisci un monitoraggio preciso di temperatura, scopri le nostre sonde PT100 di alta qualit\u00e0!\n<\/a><\/h3>\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>Le sonde PT100 sono dispositivi appartenenti alla categoria degli RTD (Resistance Temperature Detectors) e si caratterizzano per la loro alta precisione e stabilit\u00e0. Il nome \u201cPT100\u201d indica che, a 0\u00b0C, il sensore ha una resistenza di 100 \u03a9. Grazie alle loro caratteristiche, queste sonde vengono utilizzate in svariate applicazioni industriali, dalla gestione dei processi produttivi [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1389,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29,41,43],"tags":[84,53,52,59,54,64,63,83],"evidenza":[],"class_list":["post-1377","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-evidenza","category-pt100","category-qualita-aria","tag-pt100","tag-sensore-luce","tag-sensore-luminosita","tag-sensore-temperatura","tag-sensore-umidita","tag-sensori-anidride-carbonica","tag-sensori-co2","tag-sensori-movimento"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sonde PT100: schemi di collegamento e consigli tecnici - ITSensor<\/title>\n<meta name=\"description\" content=\"Le sonde PT100 sono dispositivi caratterizzati dalla loro alta precisione e stabilit\u00e0. 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