{"id":16578,"date":"2026-02-17T17:22:14","date_gmt":"2026-02-17T16:22:14","guid":{"rendered":"https:\/\/3r-industries.com\/produits\/heat-flow-meter-for-insulating-materials\/"},"modified":"2026-07-16T14:18:59","modified_gmt":"2026-07-16T12:18:59","slug":"heat-flow-meter-for-insulating-materials","status":"publish","type":"produits","link":"https:\/\/3r-industries.com\/en\/produits\/heat-flow-meter-for-insulating-materials\/","title":{"rendered":"Heat Flow Meter for Insulating Materials"},"content":{"rendered":"<h3>Measurement of THERMAL CONDUCTIVITY using the HEAT FLOW METER method<\/h3>\n<hr\/>\n<p>Compliant with standards:<\/p>\n<ul>\n<li>ASTM C518<\/li>\n<\/ul>\n<ul>\n<li>ISO 8301<\/li>\n<\/ul>\n<ul>\n<li>EN 12667<\/li>\n<\/ul>\n<p>The CTMF enables the measurement of thermal conductivity of all insulating materials such as polystyrenes, polyurethanes, mineral wools, fired\/unfired clay, ceramics, plastics, woods, super insulators and many others.<img fetchpriority=\"high\" decoding=\"async\" alt=\"\" class=\"alignleft wp-image-23730 size-full\" height=\"797\" src=\"https:\/\/3r-industries.com\/wp-content\/uploads\/2026\/02\/Mesure-de-la-Conductivite-THERMIQUE-par-la-methode-des-FLUXMETRES-2.jpg\" width=\"1079\"\/><\/p>\n<h4>Principle<\/h4>\n<p>The CTMF principle is based on the heat flow meter method, which consists of producing a temperature gradient across the thickness of the specimen to be characterized and measuring the heat flux passing through it.<\/p>\n<p>The temperature difference between the two faces of the specimen is applied using specifically dimensioned thermal elements.<\/p>\n<p>The heat flux is measured by thermopiles according to the cited standards. The assembly is designed to accommodate specimens of 150 x 150 mm and from a few millimeters to a few centimeters in thickness.<\/p>\n<h4><img decoding=\"async\" alt=\"\" class=\"wp-image-21341 aligncenter\" height=\"292\" src=\"https:\/\/3r-industries.com\/wp-content\/uploads\/2026\/02\/CTMF-conductivimetre-mthode-Fluxmetrique-schma-400x208-1.jpg\" width=\"562\"\/><\/h4>\n<p>\u00a0<\/p>\n<h4>Device Content<\/h4>\n<ul>\n<li>Signal conditioning, temperature gradient regulation and thermal conductivity calculation unit<\/li>\n<li>1 specimen holder<\/li>\n<li>Device operating instructions<\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<h4>Technical Specifications<\/h4>\n<ul>\n<li>Solid specimens,\u2026<\/li>\n<li>Specimen size: 150 x 150 mm, thickness from 5 mm to 20 mm<\/li>\n<li>Conductivity range: 0.005 to 1 W.m-1.K-1<\/li>\n<li>Measurement accuracy: 5%<\/li>\n<li>Repeatability: 3%<\/li>\n<li>Specimen thickness measurement accuracy: 0,03 mm<\/li>\n<li>Measurement temperature range from 20 to 80\u00b0C (room at 20\u00b0C)<\/li>\n<li>Power supply: 220 V<\/li>\n<\/ul>\n<p>Please do not hesitate to <a href=\"http:\/\/www.3r-labo.com\/fr\/contacts\" rel=\"noopener noreferrer\" target=\"_blank\">contact us<\/a> for any additional information on <strong>Thermal Conductivity Meters.<\/strong> View documentation<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Measurement of THERMAL CONDUCTIVITY using the HEAT FLOW METER method Compliant with standards: ASTM C518 ISO 8301 EN 12667 The CTMF enables the measurement of thermal conductivity of all insulating materials such as polystyrenes, polyurethanes, mineral wools, fired\/unfired clay, ceramics, plastics, woods, super insulators and many others. Principle The CTMF principle is based on the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3541,"template":"","meta":{"description-courte":"<p>The CTMF enables the measurement of thermal conductivity of all insulating materials such as polystyrenes, polyurethanes, mineral wools, fired\/unfired clay, ceramics, plastics, woods, super insulators and many others.<\/p>\n","galerie_produit":["3542","3543","3544"],"force_d039essai":"","fiche_technique_pdf":"","benefice_client":"","video_youtube":"","label-produit":{"Made in France":"false"},"faq_produit":[],"ordre_affichage":"999","origin_site":"3RLABO","origin_id":"21339","origin_cat1":"Mat\u00e9riels didactiques","origin_cat2":"Dispositifs P\u00e9dagogiques d\u2019Etude de la Conductivit\u00e9 Thermique","origin_cat3":"","applications":"","footnotes":""},"univers":[],"marque":[494],"type-contenu":[509],"type-industrie":[512,516],"materiaux":[],"normes":[],"type-essai":[],"categorie_produit":[621],"class_list":["post-16578","produits","type-produits","status-publish","has-post-thumbnail","hentry","marque-3r-en","type-contenu-product","type-industrie-civil-engineering-testing-laboratories","type-industrie-research-education","categorie_produit-thermal-testing-teaching-equipment"],"_links":{"self":[{"href":"https:\/\/3r-industries.com\/en\/wp-json\/wp\/v2\/produits\/16578","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3r-industries.com\/en\/wp-json\/wp\/v2\/produits"}],"about":[{"href":"https:\/\/3r-industries.com\/en\/wp-json\/wp\/v2\/types\/produits"}],"author":[{"embeddable":true,"href":"https:\/\/3r-industries.com\/en\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":0,"href":"https:\/\/3r-industries.com\/en\/wp-json\/wp\/v2\/produits\/16578\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3r-industries.com\/en\/wp-json\/wp\/v2\/media\/3541"}],"wp:attachment":[{"href":"https:\/\/3r-industries.com\/en\/wp-json\/wp\/v2\/media?parent=16578"}],"wp:term":[{"taxonomy":"univers","embeddable":true,"href":"https:\/\/3r-industries.com\/en\/wp-json\/wp\/v2\/univers?post=16578"},{"taxonomy":"marque","embeddable":true,"href":"https:\/\/3r-industries.com\/en\/wp-json\/wp\/v2\/marque?post=16578"},{"taxonomy":"type-contenu","embeddable":true,"href":"https:\/\/3r-industries.com\/en\/wp-json\/wp\/v2\/type-contenu?post=16578"},{"taxonomy":"type-industrie","embeddable":true,"href":"https:\/\/3r-industries.com\/en\/wp-json\/wp\/v2\/type-industrie?post=16578"},{"taxonomy":"materiaux","embeddable":true,"href":"https:\/\/3r-industries.com\/en\/wp-json\/wp\/v2\/materiaux?post=16578"},{"taxonomy":"normes","embeddable":true,"href":"https:\/\/3r-industries.com\/en\/wp-json\/wp\/v2\/normes?post=16578"},{"taxonomy":"type-essai","embeddable":true,"href":"https:\/\/3r-industries.com\/en\/wp-json\/wp\/v2\/type-essai?post=16578"},{"taxonomy":"categorie_produit","embeddable":true,"href":"https:\/\/3r-industries.com\/en\/wp-json\/wp\/v2\/categorie_produit?post=16578"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}