{"id":9202,"date":"2024-07-17T05:48:01","date_gmt":"2024-07-17T05:48:01","guid":{"rendered":"https:\/\/eko-instruments.com\/us\/product\/hf-30s-2\/"},"modified":"2025-07-18T14:54:53","modified_gmt":"2025-07-18T14:54:53","slug":"hf-30s","status":"publish","type":"product","link":"https:\/\/eko-instruments.com\/us\/product\/hf-30s\/","title":{"rendered":"HF-30S"},"content":{"rendered":"<p>A heat flux sensor is a thermopile, an electronic device that translates thermal energy into an electrical voltage proportional to the temperature gradient across its thermocouples&#8217; hot and cold junctions.<\/p>\n<p>EKO Instruments offers a selection of thin substrate heat-flux sensors in a range of different sizes and thicknesses, an ideal option for research and engineering applications as well as manufacturing control and monitoring processes.<\/p>\n<p>The HF-30S is a thin foil extra-large heat-flow sensor covering 30 x 30 cm\u00b2. Its size ensures properly averaged thermal conductivity results on adequate, flat surfaces without the potential risk of local hot spot effects or thermal bridges.<\/p>\n<p>&nbsp;<\/p>\n<p>Key Features:<\/p>\n<p>&nbsp;<\/p>\n<ul class=\"f-list product-features-list\">\n<li>ltra-thin &amp; Extra-big<\/li>\n<li>Low thermal resistance<\/li>\n<li>Weather-proof design<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Weather-proofed, ultra-thin, and extra big. The HF-30S is perfect for measuring average heat flux over a large, flat area or surface.<\/p>\n","protected":false},"featured_media":7648,"comment_status":"open","ping_status":"closed","template":"","meta":{"content-type":""},"product_cat":[224],"product_tag":[],"class_list":{"0":"post-9202","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-heat-flux-sensors","7":"product_type_cat-instruments","8":"product_application_cat-thermal-flux","10":"first","11":"instock","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>HF-30S \u2013 High-Accuracy Heat Flux Sensor | EKO Instruments<\/title>\n<meta name=\"description\" content=\"High-sensitivity sensor for measuring small-scale thermal flow. Designed for laboratory research and precision engineering.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/eko-instruments.com\/us\/wp-json\/wp\/v2\/product\/9202\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/eko-instruments.com\/us\/product\/hf-30s\/\",\"url\":\"https:\/\/eko-instruments.com\/us\/product\/hf-30s\/\",\"name\":\"HF-30S \u2013 High-Accuracy Heat Flux Sensor | EKO Instruments\",\"isPartOf\":{\"@id\":\"https:\/\/eko-instruments.com\/us\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/eko-instruments.com\/us\/product\/hf-30s\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/eko-instruments.com\/us\/product\/hf-30s\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/eko-instruments.com\/us\/wp-content\/uploads\/sites\/15\/2024\/12\/HF-30S-1.png\",\"datePublished\":\"2024-07-17T05:48:01+00:00\",\"dateModified\":\"2025-07-18T14:54:53+00:00\",\"description\":\"High-sensitivity sensor for measuring small-scale thermal flow. 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