{"id":5384,"date":"2021-11-30T17:45:28","date_gmt":"2021-11-30T17:45:28","guid":{"rendered":"http:\/\/lhm.getgraphics.be\/?post_type=product&#038;p=5384"},"modified":"2024-04-29T18:23:59","modified_gmt":"2024-04-29T18:23:59","slug":"additel-am1760-et-am1762-sprts-secondaires","status":"publish","type":"product","link":"https:\/\/lhm-instrumentation.eu\/fr\/product\/additel-am1760-and-am1762-secundaire-sprts\/","title":{"rendered":"SPRT secondaires Additel AM1760 et AM1762"},"content":{"rendered":"<p>Les <a href=\"https:\/\/additel.com\/products\/Thermometer-Readout\/\">Additel<\/a> Les SPRT secondaires de la s\u00e9rie AM1760 offrent \u00e0 nos clients des solutions fiables et efficaces. <a href=\"https:\/\/lhm-instrumentation.eu\/fr\/produits\/calibrateurs\/thermometres-de-reference-sondes\/\">normes secondaires<\/a> qui peuvent \u00eatre utilis\u00e9s quotidiennement dans leurs laboratoires. Ces SPRT ont une pr\u00e9cision de &lt;0,006\u00b0C \u00e0 0,01\u00b0C, une stabilit\u00e9 \u00e0 court terme de &lt;0,002\u00b0C et un taux de d\u00e9rive tr\u00e8s faible de moins de 0,004\u00b0C apr\u00e8s 100 heures \u00e0 661\u00b0C. Deux longueurs diff\u00e9rentes de ces SPRT sont disponibles : 12 pouces (305 mm) ou 20 pouces (508 mm).<\/p>\n<p>L'\u00e9l\u00e9ment de d\u00e9tection est con\u00e7u pour prot\u00e9ger le fil de d\u00e9tection en platine de la contamination \u00e0 haute temp\u00e9rature, ce qui conf\u00e8re \u00e0 ces SPRT secondaires une grande stabilit\u00e9 et des performances reproductibles. Une structure de support et un mat\u00e9riau de remplissage de conception unique assurent un excellent \u00e9quilibre entre l'effet d'hyst\u00e9r\u00e9sis, les chocs m\u00e9caniques et les chocs thermiques.<\/p>\n<p>Cette sonde de haute qualit\u00e9 est enti\u00e8rement conforme aux crit\u00e8res ITS-90 pour les thermom\u00e8tres de r\u00e9f\u00e9rence. Chaque sonde est livr\u00e9e en standard avec un certificat d'\u00e9talonnage r\u00e9f\u00e9renc\u00e9 NIST.<\/p>\n<p>&nbsp;<\/p>\n<p><em><strong>Qu'est-ce qu'un SPRT ?<\/strong><\/em><br \/>\n<em>Le SPRT (Standard Platinum Resistance Thermometer) est un instrument tr\u00e8s pr\u00e9cis utilis\u00e9 pour mesurer la temp\u00e9rature. Le principe du SPRT repose sur le fait que la r\u00e9sistance \u00e9lectrique du platine varie en fonction de la temp\u00e9rature. Un SPRT est constitu\u00e9 d'un mince fil de platine pur enroul\u00e9 autour d'un noyau isolant, g\u00e9n\u00e9ralement en c\u00e9ramique. Ce dispositif est prot\u00e9g\u00e9 par une enceinte, souvent en verre ou en m\u00e9tal, qui l'isole des influences ext\u00e9rieures et des temp\u00e9ratures ambiantes.<\/em><\/p>\n<p><em>La pr\u00e9cision et la r\u00e9p\u00e9tabilit\u00e9 d'un SPRT sont exceptionnelles, ce qui en fait un instrument standard dans les laboratoires et les applications industrielles o\u00f9 la pr\u00e9cision des mesures de temp\u00e9rature est cruciale. Les TRPE sont souvent utilis\u00e9s dans les processus d'\u00e9talonnage comme instruments de r\u00e9f\u00e9rence en raison de leur grande pr\u00e9cision et de leur stabilit\u00e9. Ils jouent un r\u00f4le crucial dans la d\u00e9finition de l'\u00e9chelle de temp\u00e9rature et sont utilis\u00e9s pour \u00e9talonner d'autres thermom\u00e8tres.<\/em><\/p>\n<p><em>L'une des principales caract\u00e9ristiques de la sonde SPRT est la plage de temp\u00e9rature qu'elle peut mesurer avec pr\u00e9cision, qui se situe g\u00e9n\u00e9ralement entre le point de fusion de la glace et le point d'\u00e9bullition de l'eau, mais certains mod\u00e8les avanc\u00e9s peuvent fonctionner dans une plage plus large. La r\u00e9sistance du fil de platine est mesur\u00e9e \u00e0 l'aide d'un circuit en pont, o\u00f9 de petites variations de r\u00e9sistance sont converties en une tension mesurable, qui est ensuite convertie en une valeur de temp\u00e9rature. Cette technique permet d'obtenir des mesures tr\u00e8s pr\u00e9cises et fiables.<\/em><\/p>\n<p><em>Le SPRT est souvent utilis\u00e9 en combinaison avec un r\u00e9gulateur de temp\u00e9rature pour assurer un contr\u00f4le pr\u00e9cis des conditions exp\u00e9rimentales dans les laboratoires. Il s'agit d'un outil essentiel dans la recherche et le d\u00e9veloppement, en particulier dans des secteurs tels que la pharmacie, la chimie et la m\u00e9t\u00e9orologie.<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p><strong>Caract\u00e9ristiques<\/strong>:<\/p>\n<ul>\n<li>SPRT fiable pour un usage quotidien<\/li>\n<li>\u00c9cart Rtpw :<\/li>\n<li>Stabilit\u00e9 \u00e0 court terme : &lt;0,002\u00b0C \u00e0 0,01\u00b0C<\/li>\n<li>Plage de temp\u00e9rature : -200\u00b0C \u00e0 670\u00b0C<\/li>\n<li>Bo\u00eetier en Inconel\u2122 r\u00e9sistant aux environnements difficiles<\/li>\n<li>Enti\u00e8rement conforme aux crit\u00e8res ITS-90 pour les thermom\u00e8tres de r\u00e9f\u00e9rence<\/li>\n<\/ul>","protected":false},"featured_media":5385,"template":"","meta":[],"product_brand":[],"product_cat":[129,115],"product_tag":[312],"class_list":["post-5384","product","type-product","status-publish","has-post-thumbnail","product_cat-handvoelers","product_cat-referentie-thermometers-en-sondes","product_tag-temperatuur","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>secundaire SPRTs Additel AM1760 en AM1762<\/title>\n<meta name=\"description\" content=\"Additel AM1760 en AM1762 zijn betrouwbare secundaire SPRTs voor nauwkeurige temperatuurmetingen. 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