{"id":17705,"date":"2024-04-18T20:35:28","date_gmt":"2024-04-18T18:35:28","guid":{"rendered":"https:\/\/www.klasmeier.com\/etalonnage-de-thermometres-a-basses-temperatures\/"},"modified":"2026-10-28T11:10:55","modified_gmt":"2026-10-28T10:10:55","slug":"etalonnage-de-thermometres-a-basses-temperatures","status":"publish","type":"page","link":"https:\/\/www.klasmeier.com\/fr\/etalonnage-de-thermometres-a-basses-temperatures\/","title":{"rendered":"\u00c9talonnage de thermom\u00e8tres \u00e0 basses temp\u00e9ratures"},"content":{"rendered":"\n<div class=\"wp-block-group alignfull has-global-padding is-layout-constrained wp-container-core-group-is-layout-c9a371c5 wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">\n<figure class=\"wp-block-image alignwide size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"750\" src=\"https:\/\/www.klasmeier.com\/wp-content\/uploads\/Header-tiefe-Temperaturen.jpg\" alt=\"\" class=\"wp-image-2579\" style=\"border-radius:50px\" srcset=\"https:\/\/www.klasmeier.com\/wp-content\/uploads\/Header-tiefe-Temperaturen.jpg 1600w, https:\/\/www.klasmeier.com\/wp-content\/uploads\/Header-tiefe-Temperaturen-300x141.jpg 300w, https:\/\/www.klasmeier.com\/wp-content\/uploads\/Header-tiefe-Temperaturen-1024x480.jpg 1024w, https:\/\/www.klasmeier.com\/wp-content\/uploads\/Header-tiefe-Temperaturen-768x360.jpg 768w, https:\/\/www.klasmeier.com\/wp-content\/uploads\/Header-tiefe-Temperaturen-1536x720.jpg 1536w, https:\/\/www.klasmeier.com\/wp-content\/uploads\/Header-tiefe-Temperaturen-600x281.jpg 600w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-accent-background-color has-background has-global-padding is-layout-constrained wp-container-core-group-is-layout-f53a6ca5 wp-block-group-is-layout-constrained\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30);padding-top:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-3a88641f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<h3 class=\"wp-block-heading\"><strong>\u00c9talonnage accr\u00e9dit\u00e9 selon DIN EN ISO\/IEC 17025 (DAkkS) de thermom\u00e8tres \u00e0 basses temp\u00e9ratures<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vous souhaitez \u00e9talonner des thermom\u00e8tres \u00e0 des temp\u00e9ratures extr\u00eamement basses ? Mais la plage de temp\u00e9rature des bains d&rsquo;\u00e9talonnage utilis\u00e9s et des proc\u00e9dures standardis\u00e9es ne vous suffit pas ? Alors vous \u00eates au bon endroit.   Nous utilisons de l&rsquo;azote bouillant pour \u00e9tendre la plage de temp\u00e9rature. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gr\u00e2ce aux trois m\u00e9thodes d&rsquo;\u00e9talonnage pr\u00e9sent\u00e9es ici, vous pouvez faire \u00e9talonner vos thermom\u00e8tres dans la <strong>plage de temp\u00e9rature de -180 \u00b0C \u00e0 -80 \u00b0C<\/strong> et aux <strong>temp\u00e9ratures fixes de -189 \u00b0C et -196 \u00b0C<\/strong>, accr\u00e9dit\u00e9 selon DIN EN ISO\/IEC 17025 (DAkkS).<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image size-full has-custom-border hvr-grow\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.klasmeier.com\/wp-content\/uploads\/Cryostat.jpg\" alt=\"\" class=\"wp-image-2581\" style=\"border-radius:50px\" srcset=\"https:\/\/www.klasmeier.com\/wp-content\/uploads\/Cryostat.jpg 600w, https:\/\/www.klasmeier.com\/wp-content\/uploads\/Cryostat-300x300.jpg 300w, https:\/\/www.klasmeier.com\/wp-content\/uploads\/Cryostat-150x150.jpg 150w, https:\/\/www.klasmeier.com\/wp-content\/uploads\/Cryostat-100x100.jpg 100w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-global-padding is-layout-constrained wp-container-core-group-is-layout-c9a371c5 wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">\n<h2 class=\"wp-block-heading alignwide has-text-align-center\">\u00c9talonnage \u00e0 basses temp\u00e9ratures<strong><br\/>Notre offre en un coup d&rsquo;\u0153il<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-bc29c90f wp-block-columns-is-layout-flex\" style=\"padding-top:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-group hvr-grow has-accent-background-color has-background is-vertical is-content-justification-center is-layout-flex wp-container-core-group-is-layout-9a66129f wp-block-group-is-layout-flex\" style=\"border-radius:50px;padding-top:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">\n<h3 class=\"wp-block-heading has-text-align-center\" style=\"font-style:normal;font-weight:800\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#dd3333\" class=\"has-inline-color\">Ar<\/mark><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">-189 \u00b0C<\/h3>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\" style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.625), 20px);\">\u00c9talonnage ITS-90<br\/>jusqu&rsquo;au <strong>point triple<\/strong><br\/><strong>de l&rsquo;argon<\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-group hvr-grow has-accent-background-color has-background is-vertical is-content-justification-center is-layout-flex wp-container-core-group-is-layout-9a66129f wp-block-group-is-layout-flex\" style=\"border-radius:50px;padding-top:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">\n<h3 class=\"wp-block-heading has-text-align-center\" style=\"font-style:normal;font-weight:800\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#dd3333\" class=\"has-inline-color\"><strong>LN<sub>2<\/sub><\/strong><\/mark><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">-196 \u00b0C<\/h3>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\" style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.625), 20px);\">\u00c9talonnage de thermom\u00e8tres avec<br\/><strong>azote liquide<\/strong> comme temp\u00e9rature de r\u00e9f\u00e9rence<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-group hvr-grow has-accent-background-color has-background is-vertical is-content-justification-center is-layout-flex wp-container-core-group-is-layout-9a66129f wp-block-group-is-layout-flex\" style=\"border-radius:50px;padding-top:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">\n<h4 class=\"wp-block-heading has-text-align-center\" style=\"font-style:normal;font-weight:400\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#dd3333\" class=\"has-inline-color\"><i class=\"fas fa-chart-line fa-2x\"><\/i><\/mark><\/strong><\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">-180 \u00b0C \u00e0 -80 \u00b0C<\/h3>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\" style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.625), 20px);\">\u00c9talonnage de thermom\u00e8tres avec<br\/><strong>points d&rsquo;\u00e9talonnage librement s\u00e9lectionnables<\/strong> dans le cryostat \u00e0 azote<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-accent-background-color has-background has-global-padding is-layout-constrained wp-container-core-group-is-layout-f53a6ca5 wp-block-group-is-layout-constrained\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30);padding-top:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-3a88641f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image alignleft size-full is-resized has-custom-border hvr-grow\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.klasmeier.com\/wp-content\/uploads\/Cryostat-Eiskristallbildung.png\" alt=\"\" class=\"wp-image-2587\" style=\"border-radius:50px;width:305px;height:auto\" srcset=\"https:\/\/www.klasmeier.com\/wp-content\/uploads\/Cryostat-Eiskristallbildung.png 600w, https:\/\/www.klasmeier.com\/wp-content\/uploads\/Cryostat-Eiskristallbildung-300x300.png 300w, https:\/\/www.klasmeier.com\/wp-content\/uploads\/Cryostat-Eiskristallbildung-150x150.png 150w, https:\/\/www.klasmeier.com\/wp-content\/uploads\/Cryostat-Eiskristallbildung-100x100.png 100w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<h3 class=\"wp-block-heading\"><strong><strong>Avec l&rsquo;azote bouillant, nous pouvons :<\/strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#dd3333\" class=\"has-inline-color\"><i class=\"fas fa-circle-check\"><\/i><\/mark> <strong>\u00c9talonner des thermocouples et des thermom\u00e8tres \u00e0 r\u00e9sistance<\/strong> avec des temp\u00e9ratures d&rsquo;\u00e9talonnage <strong>librement s\u00e9lectionnables<\/strong> <strong>entre -180 \u00b0C et -80 \u00b0C<\/strong> dans le cryostat \u00e0 azote, <strong>accr\u00e9dit\u00e9 selon DIN EN ISO\/IEC 17025 (DAkkS)<strong style=\"font-size: clamp(0.875rem, 0.7334rem + 0.708vw, 1.3rem); color: var(--wp--preset--color--contrast); font-family: var(--wp--preset--font-family--system-sans-serif);\"><span style=\"font-size: clamp(0.875rem, 0.7334rem + 0.708vw, 1.3rem); background-color: rgb(230, 224, 211); color: var(--wp--preset--color--contrast); font-family: var(--wp--preset--font-family--system-sans-serif); font-weight: 400;\">.<\/span><\/strong><\/strong><br\/><mark style=\"background-color:rgba(0, 0, 0, 0);color:#dd3333\" class=\"has-inline-color\"><i class=\"fas fa-circle-check\"><\/i><\/mark> Utiliser le point d&rsquo;\u00e9bullition de l&rsquo;azote et <strong>\u00e9talonner des thermom\u00e8tres \u00e0 -196 \u00b0C, <strong style=\"font-size: clamp(0.875rem, 0.7334rem + 0.708vw, 1.3rem); color: var(--wp--preset--color--contrast); font-family: var(--wp--preset--font-family--system-sans-serif);\">accr\u00e9dit\u00e9 selon DIN EN ISO\/IEC 17025 (DAkkS)<\/strong><span style=\"font-size: clamp(0.875rem, 0.7334rem + 0.708vw, 1.3rem); background-color: rgb(230, 224, 211); color: var(--wp--preset--color--contrast); font-family: var(--wp--preset--font-family--system-sans-serif); font-weight: 400;\">.<\/span><\/strong><br\/><mark style=\"background-color:rgba(0, 0, 0, 0);color:#dd3333\" class=\"has-inline-color\"><i class=\"fas fa-circle-check\"><\/i><\/mark> Mettre en service le point triple de l&rsquo;argon \u00e0 -189,3442 \u00b0C et effectuer un <strong>\u00e9talonnage ITS-90 complet accr\u00e9dit\u00e9 selon DIN EN ISO\/IEC 17025 (DAkkS)<strong style=\"font-size: clamp(0.875rem, 0.7334rem + 0.708vw, 1.3rem); color: var(--wp--preset--color--contrast); font-family: var(--wp--preset--font-family--system-sans-serif);\"> dans la plage de temp\u00e9rature de -189 \u00b0C bis 0 \u00b0C<\/strong><span style=\"font-size: clamp(0.875rem, 0.7334rem + 0.708vw, 1.3rem); background-color: rgb(230, 224, 211); color: var(--wp--preset--color--contrast); font-family: var(--wp--preset--font-family--system-sans-serif); font-weight: 400;\">.<\/span><\/strong> Les <strong>points fixes utilis\u00e9s<\/strong> sont :<\/p>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-5287bbd2 wp-block-group-is-layout-flex\" style=\"margin-top:0;margin-bottom:0;padding-top:0;padding-bottom:0\">\n<div style=\"height:100px;width:50px\" aria-hidden=\"true\" class=\"wp-block-spacer wp-container-content-b30579f5\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#dd3333\" class=\"has-inline-color\"><i class=\"fas fa-circle-check\"><\/i><\/mark> <strong>Point triple de l&rsquo;argon -189,3442 \u00b0C<\/strong><br\/><mark style=\"background-color:rgba(0, 0, 0, 0);color:#dd3333\" class=\"has-inline-color\"><i class=\"fas fa-circle-check\"><\/i><\/mark> <strong>Point triple du mercure -38,8344 \u00b0C<\/strong><br\/><mark style=\"background-color:rgba(0, 0, 0, 0);color:#dd3333\" class=\"has-inline-color\"><i class=\"fas fa-circle-check\"><\/i><\/mark> <strong>Point triple de l&rsquo;eau 0,01 \u00b0C<\/strong><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-global-padding is-layout-constrained wp-container-core-group-is-layout-c9a371c5 wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-group alignwide has-border-color has-accent-3-border-color has-global-padding is-layout-constrained wp-container-core-group-is-layout-90ea7c5e wp-block-group-is-layout-constrained\" style=\"border-width:2px;border-radius:25px;margin-top:var(--wp--preset--spacing--40);margin-bottom:var(--wp--preset--spacing--40);padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--20)\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3bbe558d wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:5%\">\n<p class=\"has-text-align-right wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-accent-3-color\"><i class=\"fas fa-file-contract fa-4x\"><\/i><\/mark><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:95%\">\n<p class=\"wp-block-paragraph\"><strong><strong>\u00c9talonnage accr\u00e9dit\u00e9 selon DIN EN ISO\/IEC 17025 (DAkkS) de SPRT aux points fixes de temp\u00e9rature (SPRT, Pt 25, Pt 2,5, Pt 0,25)<\/strong><\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;\u00e9talonnage accr\u00e9dit\u00e9 selon DIN EN ISO\/IEC 17025 (DAkkS) des thermom\u00e8tres \u00e0 r\u00e9sistance de platine standard (SPRT) ITS-90 est effectu\u00e9 aux points fixes ITS-90. <\/p>\n\n\n\n<details class=\"wp-block-details alignwide is-style-default is-layout-flow wp-block-details-is-layout-flow\"><summary>en savoir plus<\/summary>\n<p class=\"wp-block-paragraph\"><span>\u00c9talonnage accr\u00e9dit\u00e9 selon DIN EN ISO\/IEC 17025 (DAkkS) d&rsquo;un thermom\u00e8tre \u00e0 r\u00e9sistance de platine standard (SPRT) (WGa = 1,11807 ou WHg = 0,844235) aux points fixes (points de solidification, points de fusion et points triples) de l&rsquo;ITS-90. Incertitudes de mesure DAkkS atteignables, y compris la fonction d&rsquo;\u00e9cart ITS-90 (k=2) :<\/span><\/p>\n\n\n\n<figure style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\" class=\"wp-block-table\"><table><tbody><tr><td><strong><span>Point fixe de temp\u00e9rature<\/span><\/strong><\/td><td><span><strong>en \u00b0C<\/strong><\/span><\/td><td><span><strong>Incertitude de mesure<\/strong><\/span><\/td><\/tr><tr><td><span>Point triple de l&rsquo;argon<\/span><\/td><td><span>-189,3442 \u00b0C<\/span><\/td><td><span>5,5 mK<\/span><\/td><\/tr><tr><td><span>Point triple du mercure<\/span><\/td><td><span>-38,8344 <span>\u00b0C<\/span><\/span><\/td><td><span>3,5 mK<\/span><\/td><\/tr><tr><td><span>Point triple de l&rsquo;eau<\/span><\/td><td><span>0,01 \u00b0C<\/span><\/td><td><span>2,5 mK<\/span><\/td><\/tr><tr><td><span>Point de fusion du gallium<\/span><\/td><td><span>29,7646 \u00b0C<\/span><\/td><td><span>2,5 mK<\/span><\/td><\/tr><tr><td><span>Point de solidification de l&rsquo;indium<\/span><\/td><td><span>156,5985 \u00b0C<\/span><\/td><td><span>5,5 mK<\/span><\/td><\/tr><tr><td><span>Point de solidification de l&rsquo;\u00e9tain<\/span><\/td><td><span>231,928 \u00b0C<\/span><\/td><td><span>4,5 mK<\/span><\/td><\/tr><tr><td><span>Point de solidification du zinc<\/span><\/td><td><span>419,527 \u00b0C<\/span><\/td><td><span>4,5 mK<\/span><\/td><\/tr><tr><td><span>Point de solidification de l&rsquo;aluminium<\/span><\/td><td><span>660,323 \u00b0C<\/span><\/td><td><span>7,0 mK<\/span><\/td><\/tr><tr><td><span>Point de solidification de l&rsquo;argent<\/span><\/td><td><span>961,78 \u00b0C<\/span><\/td><td><span>12 mK<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span>Les points fixes sont s\u00e9lectionn\u00e9s en fonction des plages de temp\u00e9rature de l&rsquo;ITS-90. Les plages de temp\u00e9rature de l&rsquo;ITS-90 sont visibles ici : <\/span><\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)\">\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" fetchpriority=\"low\" src=\"https:\/\/www.klasmeier.com\/wp-content\/uploads\/ITS-90-Klasmeier.png\" alt=\"\" class=\"wp-image-9598\"\/><\/figure>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><span>Avant l&rsquo;\u00e9talonnage, le thermom\u00e8tre \u00e0 r\u00e9sistance de platine standard (SPRT) est suffisamment vieilli. Les effets de pression hydrostatique qui se produisent dans les cellules \u00e0 point fixe sont corrig\u00e9s. L&rsquo;auto-\u00e9chauffement du thermom\u00e8tre \u00e0 r\u00e9sistance de platine standard (SPRT) est examin\u00e9 avant le d\u00e9but de l&rsquo;\u00e9talonnage et pris en compte dans l&rsquo;indication des r\u00e9sultats d&rsquo;\u00e9talonnage. Les r\u00e9sultats d&rsquo;\u00e9talonnage sont les valeurs de r\u00e9sistance et de W du thermom\u00e8tre \u00e0 r\u00e9sistance de platine standard (SPRT), ainsi que deux courbes caract\u00e9ristiques (coefficients) calcul\u00e9es selon l&rsquo;ITS-90 (avec un courant de mesure de 0 mA et 1 mA, sauf indication contraire).   <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span>L&rsquo;\u00e9talonnage dans la plage de l&rsquo;argon (-189 \u00b0C) jusqu&rsquo;au point triple de l&rsquo;eau (0,01 \u00b0C) inclut en outre l&rsquo;indication d&rsquo;une incertitude de mesure pour l&rsquo;extrapolation selon EURAMET TG 01:2017 (jusqu&rsquo;au point d&rsquo;\u00e9bullition de l&rsquo;azote, ~196 \u00b0C) avec une incertitude de mesure de 7 mK (<em>k=2<\/em>).<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span>La <strong>profondeur d&rsquo;immersion minimale du thermom\u00e8tre \u00e0 r\u00e9sistance de platine standard (SPRT)<\/strong> est de :<\/span><\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-f0b6b26e wp-block-group-is-layout-flex\">\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-accent-3-color\"><i class=\"fas fa-circle-check\"><\/i><\/mark> <span>\u00e0<\/span><strong><span> -189 \u00b0C : 400 mm<\/span><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-accent-3-color\"><i class=\"fas fa-circle-check\"><\/i><\/mark>  \u00e0 <strong>962 \u00b0C : 450 mm<\/strong> <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-accent-3-color\"><i class=\"fas fa-circle-check\"><\/i><\/mark>  dans la plage <strong>-38 \u00b0C \u00e0 660 \u00b0C : 300 mm<\/strong><\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><span>Le <strong>diam\u00e8tre ext\u00e9rieur maximal<\/strong> est de <strong>8 mm<\/strong>.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span>Dur\u00e9e d&rsquo;\u00e9talonnage env. 5-7 jours ouvrables ou sur accord.<\/span><\/p>\n<\/details>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-271443ed wp-block-buttons-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20)\">\n<div class=\"wp-block-button hvr-shrink\"><a class=\"wp-block-button__link wp-element-button\" href=\"#anfragen\">Demander un \u00e9talonnage<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group alignwide has-border-color has-accent-3-border-color has-global-padding is-layout-constrained wp-container-core-group-is-layout-90ea7c5e wp-block-group-is-layout-constrained\" style=\"border-width:2px;border-radius:25px;margin-top:var(--wp--preset--spacing--40);margin-bottom:var(--wp--preset--spacing--40);padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--20)\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3bbe558d wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:5%\">\n<p class=\"has-text-align-right wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-accent-3-color\"><i class=\"fas fa-file-contract fa-4x\"><\/i><\/mark><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:95%\">\n<p class=\"wp-block-paragraph\"><strong><strong>\u00c9talonnage accr\u00e9dit\u00e9 selon DIN EN ISO\/IEC 17025 (DAkkS) d&rsquo;un thermom\u00e8tre \u00e0 r\u00e9sistance aux points fixes de temp\u00e9rature (PRT, Pt 100, Pt 1000)<\/strong><\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;\u00e9talonnage accr\u00e9dit\u00e9 selon DIN EN ISO\/IEC 17025 (DAkkS) des thermom\u00e8tres \u00e0 r\u00e9sistance (Pt100, Pt1000) est effectu\u00e9 aux points fixes ITS-90. <\/p>\n\n\n\n<details class=\"wp-block-details alignwide is-style-default is-layout-flow wp-block-details-is-layout-flow\"><summary>en savoir plus<\/summary>\n<p class=\"wp-block-paragraph\"><span>\u00c9talonnage accr\u00e9dit\u00e9 selon DIN EN ISO\/IEC 17025 (DAkkS) d&rsquo;un thermom\u00e8tre \u00e0 r\u00e9sistance aux points fixes (points de fusion et points triples) de l&rsquo;ITS-90. Incertitudes de mesure DAkkS atteignables, y compris la fonction d&rsquo;\u00e9cart ITS-90 (<em>k=2<\/em>) :<\/span><\/p>\n\n\n\n<figure style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\" class=\"wp-block-table\"><table><tbody><tr><td><strong><span>Point fixe de temp\u00e9rature<\/span><\/strong><\/td><td><span><strong>en \u00b0C<\/strong><\/span><\/td><td><span><strong>Incertitude de mesure<\/strong><\/span><\/td><\/tr><tr><td><span>Point triple de l&rsquo;argon<\/span><\/td><td><span>-189,3442 \u00b0C<\/span><\/td><td><span>10 mK<\/span><\/td><\/tr><tr><td><span>Point triple du mercure<\/span><\/td><td><span>-38,8344 <span>\u00b0C<\/span><\/span><\/td><td><span>3,5 mK<\/span><\/td><\/tr><tr><td><span>Point triple de l&rsquo;eau<\/span><\/td><td><span>0,01 \u00b0C<\/span><\/td><td><span>2,5 mK<\/span><\/td><\/tr><tr><td><span>Point de fusion du gallium<\/span><\/td><td><span>29,7646 \u00b0C<\/span><\/td><td><span>2,5 mK<\/span><\/td><\/tr><tr><td><span>Point de solidification de l&rsquo;indium<\/span><\/td><td><span>156,5985 \u00b0C<\/span><\/td><td><span>5,5 mK<\/span><\/td><\/tr><tr><td><span>Point de solidification de l&rsquo;\u00e9tain<\/span><\/td><td><span>231,928 \u00b0C<\/span><\/td><td><span>7,0 mK<\/span><\/td><\/tr><tr><td><span>Point de solidification du zinc<\/span><\/td><td><span>419,527 \u00b0C<\/span><\/td><td><span>12 mK<\/span><\/td><\/tr><tr><td><span>Point de solidification de l&rsquo;aluminium<\/span><\/td><td><span>660,323 \u00b0C<\/span><\/td><td><span>20 mK<\/span><\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Les incertitudes de mesure atteignables d\u00e9pendent de l&rsquo;objet d&rsquo;essai. <\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span>Les points fixes sont s\u00e9lectionn\u00e9s en fonction des plages de temp\u00e9rature de l&rsquo;ITS-90. Les plages de temp\u00e9rature de l&rsquo;ITS-90 sont visibles ici : <\/span><\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20)\">\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" fetchpriority=\"low\" src=\"https:\/\/www.klasmeier.com\/wp-content\/uploads\/ITS-90-Klasmeier.png\" alt=\"\" class=\"wp-image-9598\"\/><\/figure>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><span>Avant l&rsquo;\u00e9talonnage, le thermom\u00e8tre \u00e0 r\u00e9sistance est suffisamment vieilli. Les effets de pression hydrostatique qui se produisent dans les cellules \u00e0 point fixe sont corrig\u00e9s. L&rsquo;auto-\u00e9chauffement du thermom\u00e8tre \u00e0 r\u00e9sistance est examin\u00e9 avant le d\u00e9but de l&rsquo;\u00e9talonnage et pris en compte dans l&rsquo;indication des r\u00e9sultats d&rsquo;\u00e9talonnage. Les r\u00e9sultats d&rsquo;\u00e9talonnage sont les valeurs de r\u00e9sistance et de W du thermom\u00e8tre \u00e0 r\u00e9sistance, ainsi que deux courbes caract\u00e9ristiques (coefficients) calcul\u00e9es selon l&rsquo;ITS-90 (avec un courant de mesure de 0 mA et 1 mA, sauf indication contraire).   <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span>La profondeur d&rsquo;immersion minimale du thermom\u00e8tre \u00e0 r\u00e9sistance est de :<\/span><\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-f0b6b26e wp-block-group-is-layout-flex\">\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-accent-3-color\"><i class=\"fas fa-circle-check\"><\/i><\/mark> <span>\u00e0 &#8211;<strong>189 \u00b0C : 400 mm<\/strong><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-accent-3-color\"><i class=\"fas fa-circle-check\"><\/i><\/mark>  dans la plage <strong>-38 \u00b0C \u00e0 660 \u00b0C : 300 mm<\/strong> <\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><span>Le <strong>diam\u00e8tre ext\u00e9rieur maximal<\/strong> est de <strong>8 mm<\/strong>.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span>Dur\u00e9e d&rsquo;\u00e9talonnage env. 5 jours ouvrables ou sur accord.<\/span><\/p>\n<\/details>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-271443ed wp-block-buttons-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20)\">\n<div class=\"wp-block-button hvr-shrink\"><a class=\"wp-block-button__link wp-element-button\" href=\"#anfragen\">Demander un \u00e9talonnage<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group alignwide has-border-color has-accent-3-border-color has-global-padding is-layout-constrained wp-container-core-group-is-layout-90ea7c5e wp-block-group-is-layout-constrained\" style=\"border-width:2px;border-radius:25px;margin-top:var(--wp--preset--spacing--40);margin-bottom:var(--wp--preset--spacing--40);padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--20)\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3bbe558d wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:5%\">\n<p class=\"has-text-align-right wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-accent-3-color\"><i class=\"fas fa-file-contract fa-4x\"><\/i><\/mark><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:95%\">\n<p class=\"wp-block-paragraph\"><strong><strong>\u00c9talonnage comparatif accr\u00e9dit\u00e9 selon DIN EN ISO\/IEC 17025 (DAkkS) de thermom\u00e8tres \u00e0 r\u00e9sistance -196 \u00b0C \u00e0 961 \u00b0C<\/strong><\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c9talonnage accr\u00e9dit\u00e9 selon DIN EN ISO\/IEC 17025 (DAkkS) d&rsquo;un thermom\u00e8tre \u00e0 r\u00e9sistance dans la plage de -196 \u00b0C \u00e0 961 \u00b0C. <\/p>\n\n\n\n<details class=\"wp-block-details alignwide is-style-default is-layout-flow wp-block-details-is-layout-flow\"><summary>en savoir plus<\/summary>\n<p class=\"wp-block-paragraph\"><span>\u00c9talonnage accr\u00e9dit\u00e9 selon DIN EN ISO\/IEC 17025 (DAkkS) d&rsquo;un thermom\u00e8tre \u00e0 r\u00e9sistance dans un bain d&rsquo;\u00e9talonnage ou un four d&rsquo;\u00e9talonnage, dans un cryostat \u00e0 azote ou \u00e0 l&rsquo;azote bouillant, \u00e0 5 points de temp\u00e9rature (r\u00e9partis sur la plage d&rsquo;\u00e9talonnage ou selon les souhaits du client). Les incertitudes de mesure suivantes peuvent \u00eatre atteintes (selon l&rsquo;objet d&rsquo;essai) : <\/span><\/p>\n\n\n\n<figure style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\" class=\"wp-block-table\"><table><tbody><tr><td><span><strong>Plage d&rsquo;\u00e9talonnage<\/strong><\/span><\/td><td><span><strong>Incertitude de mesure<\/strong><\/span><\/td><td><span><strong>M\u00e9thode d&rsquo;\u00e9talonnage<\/strong><\/span><\/td><\/tr><tr><td><span>-196 \u00b0C<\/span><\/td><td><span>15 mK<\/span><\/td><td><span>Point d&rsquo;\u00e9bullition de l&rsquo;azote<\/span><\/td><\/tr><tr><td><span>-180 \u00b0C \u00e0 -80 \u00b0C<\/span><\/td><td><span>60 mK<\/span><\/td><td><span>Cryostat \u00e0 azote<\/span><\/td><\/tr><tr><td><span>-80 \u00b0C \u00e0 -60 \u00b0C<\/span><\/td><td><span>15 mK<\/span><\/td><td rowspan=\"3\"><span><br\/>Bain d&rsquo;\u00e9talonnage<br\/><\/span><span>  <\/span><\/td><\/tr><tr><td><span>-60 \u00b0C \u00e0 90 \u00b0C<\/span><\/td><td><span>10 mK<\/span><\/td><\/tr><tr><td><span>90 \u00b0C \u00e0 200 \u00b0C<\/span><\/td><td><span>30 mK<\/span><\/td><\/tr><tr><td><span>200 \u00b0C \u00e0 500 \u00b0C<\/span><\/td><td><span>40 mK<\/span><\/td><td rowspan=\"3\"><span><br\/>Four d&rsquo;\u00e9talonnage<\/span><br\/><span><br\/><\/span><\/td><\/tr><tr><td><span>500 \u00b0C \u00e0 660 \u00b0C<\/span><\/td><td><span>50 mK<\/span><\/td><\/tr><tr><td><span>660 \u00b0C \u00e0 961 \u00b0C<\/span><\/td><td><span>150 mK<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span>Avant l&rsquo;\u00e9talonnage, le thermom\u00e8tre \u00e0 r\u00e9sistance est suffisamment vieilli. L&rsquo;auto-\u00e9chauffement et l&rsquo;hyst\u00e9r\u00e9sis du thermom\u00e8tre \u00e0 r\u00e9sistance sont examin\u00e9s avant le d\u00e9but de l&rsquo;\u00e9talonnage et pris en compte dans l&rsquo;indication des r\u00e9sultats d&rsquo;\u00e9talonnage. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span>Dur\u00e9e d&rsquo;\u00e9talonnage : env. 5 jours ouvrables ou sur accord.<\/span><\/p>\n<\/details>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-271443ed wp-block-buttons-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20)\">\n<div class=\"wp-block-button hvr-shrink\"><a class=\"wp-block-button__link wp-element-button\" href=\"#anfragen\">Demander un \u00e9talonnage<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group alignwide has-border-color has-accent-3-border-color has-global-padding is-layout-constrained wp-container-core-group-is-layout-90ea7c5e wp-block-group-is-layout-constrained\" style=\"border-width:2px;border-radius:25px;margin-top:var(--wp--preset--spacing--40);margin-bottom:var(--wp--preset--spacing--40);padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--20)\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3bbe558d wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:5%\">\n<p class=\"has-text-align-right wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-accent-3-color\"><i class=\"fas fa-file-contract fa-4x\"><\/i><\/mark><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:95%\">\n<p class=\"wp-block-paragraph\"><strong><strong>\u00c9talonnage comparatif accr\u00e9dit\u00e9 selon DIN EN ISO\/IEC 17025 (DAkkS) de thermocouples non pr\u00e9cieux, par exemple de type N<\/strong><\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c9talonnage comparatif de thermocouples non pr\u00e9cieux par rapport \u00e0 des thermocouples de r\u00e9f\u00e9rence. <\/p>\n\n\n\n<details class=\"wp-block-details alignwide is-style-default is-layout-flow wp-block-details-is-layout-flow\"><summary>en savoir plus<\/summary>\n<p class=\"wp-block-paragraph\"><strong><span>\u00c9talonnage accr\u00e9dit\u00e9 selon DIN EN IEC\/ISO 17025 de thermocouples non pr\u00e9cieux<\/span><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span>\u00c9talonnage comparatif par rapport \u00e0 des thermocouples de r\u00e9f\u00e9rence.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span>Incertitude de mesure DAkkS :<\/span><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong><span>Plage de temp\u00e9rature<\/span><\/strong><\/td><td><strong><span>Incertitude de mesure<\/span><\/strong><\/td><td><strong><span>M\u00e9thode d&rsquo;\u00e9talonnage<\/span><\/strong><\/td><\/tr><tr><td><span>-196 \u00b0C<\/span><span><br\/><\/span><\/td><td><span>1,0 K<\/span><\/td><td><span>Point d&rsquo;\u00e9bullition de l&rsquo;azote<\/span><\/td><\/tr><tr><td><span>-180 \u00b0C \u00e0 -80 \u00b0C<\/span><\/td><td><span>1,0 K<\/span><\/td><td><span>Cryostat \u00e0 azote<\/span><\/td><\/tr><tr><td><span>-80 \u00b0C \u00e0 0 \u00b0C<\/span><\/td><td><span>1,0 K<\/span><\/td><td><span>Bain d&rsquo;\u00e9talonnage<\/span><\/td><\/tr><tr><td><span>0 \u00b0C \u00e0 961 \u00b0C<\/span><\/td><td><span>1,5 K<\/span><\/td><td rowspan=\"2\"><span><br\/>Four d&rsquo;\u00e9talonnage<br\/><\/span><\/td><\/tr><tr><td><span>961 \u00b0C \u00e0 1200 \u00b0C<\/span><\/td><td><span>2,5 K<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span>La <strong>profondeur d&rsquo;immersion minimale<\/strong> du thermom\u00e8tre est de <strong>190 mm<\/strong> (<strong>\u00e0 -196 \u00b0C : 300 mm<\/strong>).<br\/>Le <strong>diam\u00e8tre ext\u00e9rieur maximal est de 8 mm<\/strong>.<br\/>Les incertitudes de mesure atteignables d\u00e9pendent de l&rsquo;objet d&rsquo;essai.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span>Dur\u00e9e d&rsquo;\u00e9talonnage env. 5 jours ouvrables ou sur accord.<\/span><\/p>\n<\/details>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-271443ed wp-block-buttons-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20)\">\n<div class=\"wp-block-button hvr-shrink\"><a class=\"wp-block-button__link wp-element-button\" href=\"#anfragen\">Demander un \u00e9talonnage<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-accent-background-color has-background has-global-padding is-layout-constrained wp-container-core-group-is-layout-02792b16 wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">\n<h3 class=\"wp-block-heading has-text-align-center\"><strong>Contexte technique<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-52d6214f wp-block-columns-is-layout-flex\" style=\"padding-top:var(--wp--preset--spacing--10);padding-bottom:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66%\">\n<p class=\"wp-block-paragraph\">L&rsquo;\u00e9talonnage des thermom\u00e8tres \u00e0 des temp\u00e9ratures extr\u00eamement basses est un d\u00e9fi technique. Conventionnellement, les bains d&rsquo;\u00e9talonnage ou les calibrateurs \u00e0 bloc de temp\u00e9rature sont utilis\u00e9s pour l&rsquo;\u00e9talonnage des thermom\u00e8tres dans la plage de temp\u00e9rature n\u00e9gative. Cependant, ceux-ci atteignent rapidement leurs limites lors du refroidissement et ne sont utilis\u00e9s que jusqu&rsquo;\u00e0 environ -80 \u00b0C.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les bains d&rsquo;\u00e9talonnage sont refroidis par des compresseurs. Pour une r\u00e9gulation stable de la temp\u00e9rature d&rsquo;\u00e9talonnage, un chauffage \u00e9lectrique fonctionne \u00ab contre \u00bb le compresseur, qui refroidit toujours \u00e0 sa puissance maximale. De plus, les fluides d&rsquo;\u00e9talonnage utilis\u00e9s (tels que le silicone ou l&rsquo;\u00e9thanol) modifient fortement leur viscosit\u00e9 et absorbent l&rsquo;eau de l&rsquo;humidit\u00e9 ambiante. Ces deux facteurs compliquent la r\u00e9gulation de la temp\u00e9rature des bains d&rsquo;\u00e9talonnage.    La temp\u00e9rature la plus basse que les bains d&rsquo;\u00e9talonnage peuvent atteindre avec une r\u00e9gulation stable est d&rsquo;environ -80 \u00b0C. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les calibrateurs \u00e0 bloc de temp\u00e9rature sont refroidis par des \u00e9l\u00e9ments Peltier ou des moteurs Stirling. Ces technologies sont limit\u00e9es et peuvent \u00eatre utilis\u00e9es jusqu&rsquo;\u00e0 environ -50 \u00b0C avec des \u00e9l\u00e9ments Peltier ou -100 \u00b0C avec des moteurs Stirling. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour surmonter ces limitations, nous utilisons de l&rsquo;azote liquide comme \u00ab source de froid \u00bb. Cela nous permet d&rsquo;\u00e9tendre la plage de temp\u00e9rature pour l&rsquo;\u00e9talonnage des thermom\u00e8tres jusqu&rsquo;\u00e0 -196 \u00b0C. <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33%\">\n<figure class=\"wp-block-image aligncenter size-full is-resized has-custom-border hvr-grow\"><img loading=\"lazy\" decoding=\"async\" width=\"598\" height=\"450\" src=\"https:\/\/www.klasmeier.com\/wp-content\/uploads\/Kalibrierung-Cryostat-Stickstoff.png\" alt=\"\" class=\"wp-image-2593\" style=\"border-radius:30px;width:417px;height:auto\" srcset=\"https:\/\/www.klasmeier.com\/wp-content\/uploads\/Kalibrierung-Cryostat-Stickstoff.png 598w, https:\/\/www.klasmeier.com\/wp-content\/uploads\/Kalibrierung-Cryostat-Stickstoff-300x226.png 300w\" sizes=\"auto, (max-width: 598px) 100vw, 598px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-global-padding is-layout-constrained wp-container-core-group-is-layout-c9a371c5 wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)\">\n<figure class=\"wp-block-image size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"671\" height=\"86\" src=\"https:\/\/www.klasmeier.com\/wp-content\/uploads\/KlasmeierCloud.png\" alt=\"\" class=\"wp-image-3223\" style=\"border-radius:25px\" srcset=\"https:\/\/www.klasmeier.com\/wp-content\/uploads\/KlasmeierCloud.png 671w, https:\/\/www.klasmeier.com\/wp-content\/uploads\/KlasmeierCloud-300x38.png 300w, https:\/\/www.klasmeier.com\/wp-content\/uploads\/KlasmeierCloud-600x77.png 600w\" sizes=\"auto, (max-width: 671px) 100vw, 671px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-426f0dcf wp-block-columns-is-layout-flex\" style=\"padding-top:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<h3 class=\"wp-block-heading alignwide\">Archives num\u00e9riques Klasmeier Cloud :<br\/><strong>Documents d&rsquo;\u00e9talonnage rapidement et facilement accessibles<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La <a href=\"https:\/\/www.klasmeier.com\/fr\/entreprise\/klasmeiercloud\/\">Klasmeier Cloud<\/a> \u2013 le syst\u00e8me de classement parfait pour tous les documents d&rsquo;\u00e9talonnage. Sur tous les appareils \u00e9talonn\u00e9s par Klasmeier, vous trouverez un code QR qui vous permet d&rsquo;acc\u00e9der rapidement et facilement \u00e0 nos archives num\u00e9riques. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Particuli\u00e8rement pratique : en plus de tous les documents d&rsquo;\u00e9talonnage, vous y trouverez \u00e9galement les coordonn\u00e9es du contact Klasmeier correspondant. Ainsi, m\u00eame dans cinq ans ou plus, vous trouverez en un clic les informations souhait\u00e9es pour toute question concernant votre produit d&rsquo;\u00e9talonnage. <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<p class=\"has-text-align-center wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#dd3333\" class=\"has-inline-color\"><i class=\"fas fa-cloud-download fa-6x\"><\/i><\/mark><\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-0aa01211 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button hvr-shrink is-style-fill\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.klasmeier.com\/fr\/entreprise\/klasmeiercloud\/\">Vers la Klasmeier Cloud<\/a><\/div>\n<\/div>\n<\/div>\n\n<div class=\"wp-block-group alignfull has-global-padding is-layout-constrained wp-container-core-group-is-layout-fa93543b wp-block-group-is-layout-constrained\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30);padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--30)\">\n<h2 class=\"wp-block-heading alignwide has-text-align-center\"><strong>Trouver ensemble la solution adapt\u00e9e \u00e0 vos besoins<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-columns alignwide hvr-grow has-accent-background-color has-background is-layout-flex wp-container-core-columns-is-layout-a31f37fe wp-block-columns-is-layout-flex\" style=\"border-radius:50px;margin-top:var(--wp--preset--spacing--40);margin-bottom:var(--wp--preset--spacing--40);padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--20)\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:40%\">\n<figure class=\"wp-block-image aligncenter size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"333\" src=\"https:\/\/www.klasmeier.com\/wp-content\/uploads\/2024\/03\/BK.png\" alt=\"\" class=\"wp-image-1608\" style=\"border-radius:50px\" srcset=\"https:\/\/www.klasmeier.com\/wp-content\/uploads\/2024\/03\/BK.png 500w, https:\/\/www.klasmeier.com\/wp-content\/uploads\/2024\/03\/BK-300x200.png 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60%\">\n<h3 class=\"wp-block-heading has-text-align-center\">Parlez directement avec notre expert !<\/h3>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><br\/><strong>Votre interlocuteur pour les services d&rsquo;\u00e9talonnage <\/strong><br\/><strong>et les essais d&rsquo;aptitude : <\/strong><br\/><br\/><strong>Boris Kalb<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#dd3333\" class=\"has-inline-color\"><i class=\"fas fa-envelope\"><\/i><\/mark> <a href=\"https:\/\/www.klasmeier.com\/fr\/entreprise\/interlocuteurs\/\">Contacter maintenant<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n\n<div class=\"wp-block-group alignwide has-accent-background-color has-background has-global-padding is-layout-constrained wp-container-core-group-is-layout-cbfaef89 wp-block-group-is-layout-constrained\" id=\"anfragen\" style=\"border-radius:25px;margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30);padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--20)\">\n<h3 class=\"wp-block-heading\"><strong>Demander un \u00e9talonnage<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f18170-o1\" lang=\"fr-FR\" dir=\"ltr\" data-wpcf7-id=\"18170\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/fr\/wp-json\/wp\/v2\/pages\/17705#wpcf7-f18170-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Formulaire de contact\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"18170\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.7\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"fr_FR\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f18170-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<style> \/* Allgemeine Stile f\u00fcr das Formular *\/ .wpcf7-form { max-width: 1280px; \/* Volle Breite setzen *\/ margin: 0 auto; \/* Zentrieren *\/ box-sizing: border-box; padding-top: 0px; \/* Abstand nach oben *\/ } \/* Stile f\u00fcr die Zeilen und Spalten *\/ .form-row { display: flex; flex-wrap: wrap; justify-content: space-between; margin-bottom: 10px; \/* Abstand zwischen den Zeilen *\/ } .form-column { width: 48%; \/* Zwei Spalten mit Abstand *\/ box-sizing: border-box; } \/* Anpassung der H\u00f6he der Eingabefelder und der vollen Breite *\/ .wpcf7-form input[type= \"text\"], .wpcf7-form input[type= \"email\"], .wpcf7-form textarea { font-size: 20px; height: 60px; \/* Erh\u00f6hte H\u00f6he der Eingabefelder *\/ width: 560px; \/* Volle Breite der Spalte *\/ padding: 10px; \/* Innenabstand f\u00fcr Eingabefelder *\/ box-sizing: border-box; border-radius: 15px; \/* Abgerundete Ecken *\/ border: 1px solid #ccc; \/* Rand um die Eingabefelder *\/ transition: width 0.5s ease; } .wpcf7-form textarea { max-height: 150px; height: auto; \/* Erm\u00f6glicht flexible H\u00f6he *\/ min-height: 120px; \/* Mindesth\u00f6he f\u00fcr mehrzeiliges Schreiben *\/ resize: none; \/* Entfernt die Gr\u00f6\u00dfen\u00e4nderungsoption *\/ } .wpcf7-form input[type= \"text\"]:hover, .wpcf7-form input[type= \"email\"]:hover, .wpcf7-form textarea:hover { width: 560px; border: 2px solid #DD3333; } .wpcf7 input[type= \"text\"]:focus, .wpcf7 textarea[type= \"text\"]:focus, .wpcf7 input[type= \"email\"]:focus, .wpcf7 textarea[type= \"email\"]:focus{ width: 560px; outline: none; box-shadow: none; border: 3px solid #DD3333; } .wpcf7 input[type= \"checkbox\"] { width: 15px; \/* \u00c4ndert die Breite der Checkbox *\/ height: 15px; \/* \u00c4ndert die H\u00f6he der Checkbox *\/ transform: scale(1.5); \/* Vergr\u00f6\u00dfert die Checkbox *\/ margin-right: 10px; \/* Abstand zwischen Checkbox und Text *\/ -webkit-appearance: none; \/* Entfernt die Standard-Stilierung *\/ appearance: none; \/* Entfernt die Standard-Stilierung *\/ border: 1px solid #ccc; \/* Rand der Checkbox *\/ border-radius: 8px; \/* Abgerundete Ecken *\/ background-color: #f0f0f0; \/* Hintergrundfarbe der Checkbox *\/ position: relative; \/* Erm\u00f6glicht die Positionierung des Haken-Pseudo-Elements *\/ cursor: pointer; \/* \u00c4ndert den Cursor bei Hover *\/ transition: background-color 0.3s, border-color 0.3s; \/* Smooth Transition *\/ vertical-align: middle; \/* Richtet die Checkbox vertikal aus *\/ } .wpcf7 input[type= \"checkbox\"]:checked { background-color: #DD3333; \/* Hintergrundfarbe wenn angeklickt *\/ border-color: #DD3333; \/* Randfarbe wenn angeklickt *\/ } .wpcf7 input[type= \"checkbox\"]:checked::after { content: ''; position: absolute; top: 40%; left: 48%; width: 4px; \/* Breite des Hakens *\/ height: 7px; \/* H\u00f6he des Hakens *\/ border: solid white; border-width: 0 2px 2px 0; transform: translate(-50%, -50%) rotate(45deg); } .wpcf7 input[type= \"checkbox\"]:focus { outline: none; box-shadow: 0 0 2px 2px rgba(0, 123, 255, 0.25); \/* Optionale Hervorhebung bei Fokus *\/ } \/* Platzhalterstile *\/ ::placeholder { color: #888; \/* Farbe f\u00fcr Platzhaltertext *\/ font-size: 20px; } \/* Stile f\u00fcr die Checkboxen *\/ .wpcf7-form p { margin-bottom: 10px; display: flex; align-items: center; text-align: center; } .wpcf7-form p label { margin-left: 5px; margin-bottom: 0; \/* Kein zus\u00e4tzlicher Abstand unten *\/ display: flex; align-items: center; text-align: center; } .wpcf7 .wpcf7-submit { display: block; \/* Sicherstellen, dass der Button als Blockelement behandelt wird *\/ margin: 0 auto; \/* Automatisches Zentrieren *\/ } .wpcf7 .wpcf7-submit-container { text-align: center; \/* Zentriert den Button-Container *\/ margin-top: 20px; \/* Optional: Abstand oberhalb des Containers *\/ } .wpcf7-submit { background-color: #DD3333; \/* Hintergrundfarbe des Buttons *\/ color: white; \/* Textfarbe des Buttons *\/ border: none; \/* Kein Rahmen *\/ padding: 15px 30px; \/* Innenabstand des Buttons *\/ text-align: center; \/* Textzentrierung *\/ text-decoration: none; \/* Kein Textdekor *\/ display: block; \/* Als Blockelement behandeln *\/ font-size: 20px; \/* Schriftgr\u00f6\u00dfe *\/ margin: 0px auto; \/* Au\u00dfenabstand *\/ margin-left: 25px; \/* Kleiner linker Abstand *\/ cursor: pointer; \/* Cursor bei Hover *\/ border-radius: 15px; \/* Abgerundete Ecken *\/ transition: background-color 0.3s ease, transform 0.3s ease; \/* \u00dcbergangseffekte *\/ } .wpcf7-submit:hover { background-color: #DD3333; \/* Hintergrundfarbe bei Hover *\/ transform: scale(1.05); \/* Vergr\u00f6\u00dferung bei Hover *\/ } .wpcf7-submit:active { background-color: #DD3333; \/* Hintergrundfarbe bei Klick *\/ transform: scale(1.02); \/* Leichte Verkleinerung bei Klick *\/ } .wpcf7 .wpcf7-spinner { display: block; \/* Als Blockelement behandeln *\/ position: absolute; \/* Absolute Positionierung innerhalb des Containers *\/ top: 100%; \/* Abstand vom oberen Rand des Containers *\/ left: 50%; \/* Zentriert horizontal innerhalb des Containers *\/ transform: translateX(-50%); \/* Zur\u00fcckverschieben um die H\u00e4lfte der eigenen Breite *\/ } @media screen and (max-width: 600px) { .wpcf7 input[type= \"checkbox\"] { width: 50px !important; height: 20px !important; margin-right: 10px; border-radius: 50%; \/* Rund statt 8px *\/ } } @media screen and (max-width: 768px) { \/* Spalten untereinander *\/ .form-row { flex-direction: column; } .form-column { width: 100% !important; margin-bottom: 10px; } .wpcf7-form input[type= \"text\"], .wpcf7-form input[type= \"email\"], .wpcf7-form input[type= \"tel\"], .wpcf7-form textarea { width: 100% !important; } \/* Checkbox bleibt rund und linksb\u00fcndig *\/ .wpcf7 input[type= \"checkbox\"] { width: 20px; height: 20px; margin-right: 10px; border-radius: 50%; \/* Rund statt 8px *\/ } \/* Optional: Upload-Feld auch bei Bedarf zentrieren *\/ .codedropz-upload-container { padding: 30px 15px; } .codedropz-upload-inner { width: 100%; box-sizing: border-box; } .codedropz-btn-wrap { justify-content: center; } } @media screen and (max-width: 1350px) { .wpcf7-form input[type= \"text\"], .wpcf7-form input[type= \"email\"], .wpcf7-form input[type= \"tel\"], .wpcf7-form textarea { transition: none !important; width: 100% !important; } .wpcf7-form input[type= \"text\"]:hover, .wpcf7-form input[type= \"email\"]:hover, .wpcf7-form input[type= \"tel\"]:hover, .wpcf7-form textarea:hover, .wpcf7 input[type= \"text\"]:focus, .wpcf7 input[type= \"email\"]:focus, .wpcf7 input[type= \"tel\"]:focus, .wpcf7 textarea:focus { width: 100% !important; border: 2px solid #DD3333; } } \n\n.wpcf7-form p{\nwidth: 100% !important;\n}\n.wpcf7-form-control-wrap{\nwidth: 100% !important;\n}\n.wpcf7-form textarea{\nwidth: 100% !important;\n}\n<\/style>\n<div class=\"form-row\">\n\t<div class=\"form-column\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"vorname\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" id=\"vorname\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Vorname\" value=\"\" type=\"text\" name=\"vorname\" \/><\/span>\n\t\t<\/p>\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"nachname\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" id=\"nachname\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Nachname\" value=\"\" type=\"text\" name=\"nachname\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"form-column\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" 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pageInfoField = document.querySelector('#page-info');\n if (pageInfoField) {\n var pageTitle = document.title;\n var pageURL = window.location.href;\n pageInfoField.value = pageTitle + ' (' + pageURL + ')';\n }\n});\n<\/script>\n<\/p><input type=\"text\" class=\"wpcf7_hp_field\" name=\"wpcf7_hp_field\" value=\"\" tabindex=\"-1\" autocomplete=\"off\" \/><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u00c9talonnage accr\u00e9dit\u00e9 selon DIN EN ISO\/IEC 17025 (DAkkS) de thermom\u00e8tres \u00e0 basses temp\u00e9ratures Vous souhaitez \u00e9talonner des thermom\u00e8tres \u00e0 des temp\u00e9ratures extr\u00eamement basses ? Mais la plage de temp\u00e9rature des bains d&rsquo;\u00e9talonnage utilis\u00e9s et des proc\u00e9dures standardis\u00e9es ne vous suffit pas ? Alors vous \u00eates au bon endroit. Nous utilisons de l&rsquo;azote bouillant pour \u00e9tendre [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-17705","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.klasmeier.com\/fr\/wp-json\/wp\/v2\/pages\/17705","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.klasmeier.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.klasmeier.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.klasmeier.com\/fr\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.klasmeier.com\/fr\/wp-json\/wp\/v2\/comments?post=17705"}],"version-history":[{"count":4,"href":"https:\/\/www.klasmeier.com\/fr\/wp-json\/wp\/v2\/pages\/17705\/revisions"}],"predecessor-version":[{"id":18679,"href":"https:\/\/www.klasmeier.com\/fr\/wp-json\/wp\/v2\/pages\/17705\/revisions\/18679"}],"wp:attachment":[{"href":"https:\/\/www.klasmeier.com\/fr\/wp-json\/wp\/v2\/media?parent=17705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}