{"id":5161,"date":"2026-01-17T17:00:38","date_gmt":"2026-01-17T11:30:38","guid":{"rendered":"https:\/\/www.hitechtransducers.com\/?p=5161"},"modified":"2026-01-31T15:56:00","modified_gmt":"2026-01-31T10:26:00","slug":"atex-certified-ht-1500-temperature-sensors-for-hydrogen-engines-pt100-k-type-technical-guide","status":"publish","type":"post","link":"https:\/\/3dprintersinindia.com\/sites\/hitechtransducers\/atex-certified-ht-1500-temperature-sensors-for-hydrogen-engines-pt100-k-type-technical-guide\/","title":{"rendered":"ATEX-Certified HT-1500 Temperature Sensors for Hydrogen Engine Testing \u2013 Complete Technical Guide (PT100 and Thermocouple Models)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Hydrogen-powered engines are emerging as a clean and efficient alternative for heavy-duty and commercial vehicles. However, hydrogen environments demand <strong>high-accuracy, explosion-proof, and durable temperature monitoring solutions<\/strong>. To meet these requirements, <strong>Hi-Tech Transducers &amp; Devices Pvt. Ltd.<\/strong> has developed the <strong>ATEX-Certified HT-1500 Series<\/strong>\u2014a robust line of temperature sensors designed specifically for <strong>Hydrogen Engine Vehicle Testing &amp; Development<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In this guide, we provide a complete technical overview of our <strong>PT100 (RTD)<\/strong> and <strong>K-Type Thermocouple<\/strong> variants, engineered to operate safely and reliably in hazardous Zone 1 and Zone 2 hydrogen atmospheres.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why Temperature Sensing Is Critical in Hydrogen Engine Testing<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hydrogen combustion engines operate at high temperatures, high pressures, and under strict safety protocols. Accurate temperature measurement is essential for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Monitoring cylinder head &amp; exhaust temperatures<\/strong><\/li>\n\n\n\n<li><strong>Evaluating hydrogen combustion efficiency<\/strong><\/li>\n\n\n\n<li><strong>Protecting prototype engines from overheating<\/strong><\/li>\n\n\n\n<li><strong>Validating ECU-controlled fuel strategies<\/strong><\/li>\n\n\n\n<li><strong>Ensuring safety in explosive hydrogen atmospheres<\/strong><\/li>\n\n\n\n<li><strong>Supporting certification &amp; homologation requirements<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Typical test environments include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hydrogen engine dyno test cells<\/li>\n\n\n\n<li>Fuel line &amp; injector temperature monitoring<\/li>\n\n\n\n<li>Turbocharger and exhaust manifold temperature points<\/li>\n\n\n\n<li>Catalyst &amp; after-treatment development<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This makes ATEX-compliant sensors mandatory.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ATEX Certification \u2013 Ensuring Safety in Hydrogen Atmospheres<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hydrogen gas (Group IIC) is highly flammable and requires equipment certified for explosion protection.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Our HT-1500 sensors comply with:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>IEC 60079-0:2017 \/ EN 60079-0:2018<\/strong> (General Requirements)<\/li>\n\n\n\n<li><strong>IEC\/EN 60079-1:2014<\/strong> (Flameproof Protection \u201cEx d\u201d)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This ensures:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Safe operation in explosive hydrogen atmospheres<\/li>\n\n\n\n<li>Flameproof construction<\/li>\n\n\n\n<li>Controlled surface temperature<\/li>\n\n\n\n<li>Durability under vibration, thermal cycling, and mechanical stress<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The sensors are fully suitable for OEM test cells, vehicle development labs, and field prototype testing.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">HT-1500 PT100 (RTD) \u2013 Technical Specifications<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Parameter<\/strong><\/td><td>Specification<\/td><\/tr><tr><td><strong>Model<\/strong><\/td><td>HT-1500<\/td><\/tr><tr><td><strong>Type<\/strong><\/td><td>PT100, RTD Transition Type<\/td><\/tr><tr><td><strong>No. of Elements<\/strong><\/td><td>1<\/td><\/tr><tr><td><strong>Resistance<\/strong><\/td><td>R100<\/td><\/tr><tr><td><strong>Grade<\/strong><\/td><td>Class A<\/td><\/tr><tr><td><strong>Temperature Range<\/strong><\/td><td>0 to 200\u00b0C<\/td><\/tr><tr><td><strong>Sheath Diameter<\/strong><\/td><td>6 mm<\/td><\/tr><tr><td><strong>Sheath Length<\/strong><\/td><td>150 mm to 500 mm<\/td><\/tr><tr><td><strong>Termination Options<\/strong><\/td><td>8-Pin Connector T3524528 \/ Omega Connector \/ Pin Type Lugs<\/td><\/tr><tr><td><strong>Extension Cable<\/strong><\/td><td>FEP Extruded RTD Cable, 1\u201310 m<\/td><\/tr><tr><td><strong>Compression Fitting<\/strong><\/td><td>SS 304, \u00bc\u201d NPT, Swage Lockable<\/td><\/tr><tr><td><strong>Compliance<\/strong><\/td><td>IEC 60079-0 &amp; IEC 60079-1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Applications in Hydrogen Engine Testing<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Coolant temperature measurement<\/li>\n\n\n\n<li>Intake &amp; charge-air temperature monitoring<\/li>\n\n\n\n<li>Fuel rail &amp; hydrogen injector temperature<\/li>\n\n\n\n<li>Catalyst \/ SCR inlet temperature<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">With high accuracy (Class A), the PT100 variant is ideal for low-to-medium temperature measurement with excellent repeatability.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">HT-1500 K-Type Thermocouple \u2013 Technical Specifications<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Parameter<\/strong><\/td><td>Specification<\/td><\/tr><tr><td>Model<\/td><td>HT-1500<\/td><\/tr><tr><td>Type<\/td><td>Chromel\/Alumel (K-Type), Transition Type<\/td><\/tr><tr><td>No of Elements<\/td><td>1<\/td><\/tr><tr><td>Temperature Range<\/td><td>0 to 1000\u00b0C<\/td><\/tr><tr><td>Sheath Diameter<\/td><td><br>6 mm<\/td><\/tr><tr><td>Sheath Length<\/td><td>150 mm to 500 mm<\/td><\/tr><tr><td>Termination Options<\/td><td>8-Pin Connector T3524528 \/ Omega Connector 2-Pin \/ Pin Type Lugs<\/td><\/tr><tr><td>Extension Cable<\/td><td>Teflon Extruded K-Type Cable, 1\u201310 m<\/td><\/tr><tr><td>Compression Fitting<\/td><td>SS 304, \u00bc\u201d NPT, Swage Lockable<\/td><\/tr><tr><td><strong>Compliance<\/strong><\/td><td>IEC 60079-0 &amp; IEC 60079-1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Applications in Hydrogen Engine Development<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Exhaust manifold &amp; turbocharger temperature<\/li>\n\n\n\n<li>Combustion chamber wall temperature<\/li>\n\n\n\n<li>Catalyst monitoring<\/li>\n\n\n\n<li>High-temperature test cell parameter logging<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The thermocouple version offers ruggedness and a wide temperature range suited for extreme environments.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Key Engineering Features of the HT-1500 Series<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u2714 Flameproof ATEX Design<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Built to operate safely in hydrogen atmospheres (Zone 1\/Zone 2).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u2714 High Mechanical Strength<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">6 mm stainless steel sheath allows installation in vibration-prone engine test cells.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u2714 Swage-Lockable Fittings<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ensures leak-proof installation for hydrogen lines and test rigs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u2714 Multiple Connector Options<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Supports leading OEM test setups and DAQ systems.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u2714 Customizable Lengths &amp; Cable Types<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Available from <strong>150 mm to 500 mm<\/strong> with <strong>1 m to 10 m<\/strong> cable options.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u2714 Designed for Automotive R&amp;D<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Optimized for hydrogen engine and heavy-vehicle drivetrain development.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why Hydrogen Testing Requires Special Sensors<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hydrogen presents unique engineering challenges:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High diffusion rate causes leakage through poor fittings<\/li>\n\n\n\n<li>Hydrogen embrittlement requires specific materials<\/li>\n\n\n\n<li>High ignition sensitivity demands ATEX-certified devices<\/li>\n\n\n\n<li>Fast combustion causes sharp thermal gradients<\/li>\n\n\n\n<li>Test cells require vibration-resistant sensors<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The HT-1500 series is engineered to overcome all these challenges with certified safety and reliability.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>HT-1500 ATEX-Certified Temperature Sensors<\/strong> from Hi-Tech Transducers &amp; Devices Pvt. Ltd. are purpose-built for modern <strong>Hydrogen Engine Vehicle Testing &amp; Development<\/strong>. With high accuracy, rugged stainless-steel construction, and compliance with global explosion-proof standards, these sensors deliver reliable performance in the demanding environments of H\u2082 engine research, test cells, and prototype validation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Whether you require <strong>precision PT100 RTD sensors<\/strong> or <strong>high-temperature K-Type thermocouples<\/strong>, the HT-1500 series provides a complete, customizable solution for your hydrogen testing needs.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hydrogen-powered engines are emerging as a clean and efficient alternative for heavy-duty and commercial vehicles. However, hydrogen environments demand high-accuracy, explosion-proof, and durable temperature monitoring solutions. To meet these requirements, Hi-Tech Transducers &amp; Devices Pvt. Ltd. has developed the ATEX-Certified HT-1500 Series\u2014a robust line of temperature sensors designed specifically for Hydrogen Engine Vehicle Testing &amp; [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":5185,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"footnotes":""},"categories":[56],"tags":[70,92,68,95,97,100,99,93,94,101],"class_list":["post-5161","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-automobile","tag-atex-certified-manufacturer","tag-atex-certified-sensors","tag-atex-certified-thermocouple","tag-atex-k-type","tag-atex-rtd","tag-fuel-cell","tag-hazardous-area-sensors","tag-ht-1500-sensors","tag-hydrogen-engine-testing","tag-iec-60079-standards"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ATEX-Certified HT-1500 Temperature Sensors for Hydrogen Engine Testing \u2013 Complete Technical Guide (PT100 and Thermocouple Models) - Hi-Tech Transducers<\/title>\n<meta name=\"description\" content=\"Explore the complete technical guide for HT-1500 ATEX-certified PT100 and K-Type thermocouple temperature sensors designed for hydrogen engine testing and vehicle development. 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