{"id":30502,"date":"2026-03-03T06:19:37","date_gmt":"2026-03-03T06:19:37","guid":{"rendered":"https:\/\/hardnesstests.com\/?p=30502"},"modified":"2026-03-03T06:19:40","modified_gmt":"2026-03-03T06:19:40","slug":"portable-hardness-tester-2","status":"publish","type":"post","link":"https:\/\/hardnesstests.com\/de_de_formal\/portable-hardness-tester-2\/","title":{"rendered":"Tragbares H\u00e4rtepr\u00fcfger\u00e4t"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-introduction\">Einf\u00fchrung<\/h2>\n\n\n\n<p>A <strong>Tragbares H\u00e4rtepr\u00fcfger\u00e4t<\/strong> is a compact, field-ready device designed to measure the hardness of metals directly at the job site. Unlike bench-top laboratory machines, portable testers eliminate the need to cut samples or transport heavy components. This makes them indispensable for maintenance inspections, weld verification, and large-structure quality control.<\/p>\n\n\n\n<p>From pipelines and pressure vessels to turbine shafts and structural steel, portable hardness testers deliver rapid results with minimal disruption to operations.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-a-portable-hardness-tester\">What Is a Portable Hardness Tester?<\/h2>\n\n\n\n<p>A Portable Hardness Tester is a handheld or lightweight instrument used to determine material hardness through dynamic impact or ultrasonic contact methods. It is designed for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Large and heavy components<\/li>\n\n\n\n<li>Installed machinery<\/li>\n\n\n\n<li>Field inspections<\/li>\n\n\n\n<li>On-site quality assurance<\/li>\n<\/ul>\n\n\n\n<p>Most modern units provide instant digital readings and automatic scale conversions.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-history-and-development\">History and Development<\/h2>\n\n\n\n<p>Portable hardness testing became practical after the invention of the Leeb hardness test, which introduced a dynamic rebound principle. This breakthrough allowed hardness testing outside laboratory settings.<\/p>\n\n\n\n<p>Later advancements introduced ultrasonic contact impedance (UCI) technology, further improving precision for thin and small components.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-working-principles-of-portable-hardness-testers\">Working Principles of Portable Hardness Testers<\/h2>\n\n\n\n<p>Portable hardness testers typically use one of two primary methods:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-rebound-leeb-method\">1. Rebound (Leeb) Method<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>An impact body strikes the material surface.<\/li>\n\n\n\n<li>The rebound velocity is measured.<\/li>\n\n\n\n<li>The hardness value (HL) is calculated based on energy loss.<\/li>\n\n\n\n<li>The device converts HL into HRC, HB, HV, and other scales.<\/li>\n<\/ul>\n\n\n\n<p>Best suited for large, solid metal parts.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-ultrasonic-contact-impedance-uci-method\">2. Ultrasonic Contact Impedance (UCI) Method<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A vibrating rod with a diamond indenter contacts the surface.<\/li>\n\n\n\n<li>Die Frequenzverschiebung entspricht der Materialh\u00e4rte.<\/li>\n\n\n\n<li>Ideal for thin or small components.<\/li>\n<\/ul>\n\n\n\n<p>UCI offers higher precision for fine applications.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-key-components\">Key Components<\/h2>\n\n\n\n<p>A typical Portable Hardness Tester includes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Impact or UCI probe<\/li>\n\n\n\n<li>Digital display unit<\/li>\n\n\n\n<li>Built-in microprocessor<\/li>\n\n\n\n<li>Rechargeable battery<\/li>\n\n\n\n<li>Data storage module<\/li>\n\n\n\n<li>USB or Bluetooth connectivity<\/li>\n<\/ul>\n\n\n\n<p>Advanced models include touchscreen interfaces and cloud integration.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-supported-hardness-scales\">Unterst\u00fctzte H\u00e4rteskalen<\/h2>\n\n\n\n<p>Most portable testers can display multiple hardness scales, including:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>HL (Leeb-Skala)<\/li>\n\n\n\n<li>HRC (Rockwell C)<\/li>\n\n\n\n<li>HRB (Rockwell B)<\/li>\n\n\n\n<li>HB (Brinell)<\/li>\n\n\n\n<li>HV (Vickers)<\/li>\n\n\n\n<li>HS (Shore, for metals in some cases)<\/li>\n<\/ul>\n\n\n\n<p>Automatic conversion simplifies cross-standard evaluation.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-advantages-of-portable-hardness-tester\">Vorteile des tragbaren H\u00e4rtepr\u00fcfers<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-on-site-testing\">On-Site Testing<\/h3>\n\n\n\n<p>No need to transport heavy components.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-fast-results\">Fast Results<\/h3>\n\n\n\n<p>Immediate digital readings.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-non-destructive-testing\">Non-Destructive Testing<\/h3>\n\n\n\n<p>Leaves only a small indentation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-versatility\">Versatility<\/h3>\n\n\n\n<p>Works on various metals and alloys.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cost-efficiency\">Cost Efficiency<\/h3>\n\n\n\n<p>Reduces downtime and logistical expenses.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-limitations\">Beschr\u00e4nkungen<\/h2>\n\n\n\n<p>While highly useful, portable testers have some constraints:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Surface must be relatively smooth<\/li>\n\n\n\n<li>Lightweight parts may require support<\/li>\n\n\n\n<li>Accuracy depends on correct calibration<\/li>\n\n\n\n<li>Conversion values may vary slightly by material<\/li>\n<\/ul>\n\n\n\n<p>Proper training enhances reliability.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-applications-across-industries\">Branchen\u00fcbergreifende Anwendungen<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-oil-amp-gas\">Oil &amp; Gas<\/h3>\n\n\n\n<p>Verwendet f\u00fcr:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pipeline inspection<\/li>\n\n\n\n<li>Pressure vessel verification<\/li>\n\n\n\n<li>Weld heat-affected zone (HAZ) testing<\/li>\n<\/ul>\n\n\n\n<p>Ensures compliance with safety standards.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-power-generation\">Power Generation<\/h3>\n\n\n\n<p>Tests turbine shafts, rotors, and boiler components.<\/p>\n\n\n\n<p>Prevents unexpected mechanical failures.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-automotive-industry\">Autoindustrie<\/h3>\n\n\n\n<p>Evaluates hardness of:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Motorbl\u00f6cke<\/li>\n\n\n\n<li>Gears<\/li>\n\n\n\n<li>Achsen<\/li>\n\n\n\n<li>Fahrwerkskomponenten<\/li>\n<\/ul>\n\n\n\n<p>Improves durability control.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-aerospace-industry\">Luft- und Raumfahrtindustrie<\/h3>\n\n\n\n<p>Confirms material hardness in structural components where safety is critical.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-construction-and-heavy-machinery\">Construction and Heavy Machinery<\/h3>\n\n\n\n<p>Inspects structural steel beams and heavy equipment.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/hardnesstests.com\/wp-content\/uploads\/2026\/01\/28-800x800.jpg\" alt=\"\" class=\"wp-image-30280\" srcset=\"https:\/\/hardnesstests.com\/wp-content\/uploads\/2026\/01\/28-800x800.jpg 800w, https:\/\/hardnesstests.com\/wp-content\/uploads\/2026\/01\/28-300x300.jpg 300w, https:\/\/hardnesstests.com\/wp-content\/uploads\/2026\/01\/28-150x150.jpg 150w, https:\/\/hardnesstests.com\/wp-content\/uploads\/2026\/01\/28-768x768.jpg 768w, https:\/\/hardnesstests.com\/wp-content\/uploads\/2026\/01\/28-12x12.jpg 12w, https:\/\/hardnesstests.com\/wp-content\/uploads\/2026\/01\/28-400x400.jpg 400w, https:\/\/hardnesstests.com\/wp-content\/uploads\/2026\/01\/28-700x700.jpg 700w, https:\/\/hardnesstests.com\/wp-content\/uploads\/2026\/01\/28.jpg 1024w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-portable-hardness-tester-for-weld-inspection\">Tragbares H\u00e4rtepr\u00fcfger\u00e4t f\u00fcr die Schwei\u00dfnahtinspektion<\/h2>\n\n\n\n<p>Weld zones often require strict hardness control to prevent cracking or brittleness.<\/p>\n\n\n\n<p>Portable testers are ideal for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pre-service inspections<\/li>\n\n\n\n<li>Post-weld heat treatment verification<\/li>\n\n\n\n<li>Field audits<\/li>\n<\/ul>\n\n\n\n<p>They provide fast and reliable weld hardness measurement.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-accuracy-considerations\">\u00dcberlegungen zur Genauigkeit<\/h2>\n\n\n\n<p>Die Genauigkeit h\u00e4ngt ab von:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Richtige Vorbereitung der Oberfl\u00e4che<\/li>\n\n\n\n<li>Adequate material thickness<\/li>\n\n\n\n<li>Correct probe selection<\/li>\n\n\n\n<li>Stable support of the specimen<\/li>\n\n\n\n<li>Regelm\u00e4\u00dfige Kalibrierung<\/li>\n<\/ul>\n\n\n\n<p>Adhering to standards ensures dependable results.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-calibration-and-standards\">Kalibrierung und Standards<\/h2>\n\n\n\n<p>Portable hardness testers should be calibrated using certified reference blocks.<\/p>\n\n\n\n<p>Common standards include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ASTM hardness testing standards<\/li>\n\n\n\n<li>ISO material testing standards<\/li>\n<\/ul>\n\n\n\n<p>Routine calibration ensures measurement consistency.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-digital-features-and-data-management\">Digital Features and Data Management<\/h2>\n\n\n\n<p>Modern portable testers offer:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Large internal memory<\/li>\n\n\n\n<li>Statistical analysis (mean, max, min, standard deviation)<\/li>\n\n\n\n<li>USB export<\/li>\n\n\n\n<li>Bluetooth data transfer<\/li>\n\n\n\n<li>PC software integration<\/li>\n<\/ul>\n\n\n\n<p>Digital traceability improves quality management systems.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-choosing-the-right-portable-hardness-tester\">Die Wahl des richtigen tragbaren H\u00e4rtepr\u00fcfers<\/h2>\n\n\n\n<p>When selecting a portable tester, consider:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Material type and hardness range<\/li>\n\n\n\n<li>Component size and weight<\/li>\n\n\n\n<li>Erforderliche H\u00e4rteskala<\/li>\n\n\n\n<li>Testing frequency<\/li>\n\n\n\n<li>Environmental conditions<\/li>\n\n\n\n<li>Budget<\/li>\n<\/ul>\n\n\n\n<p>Heavy industry often prefers rebound testers, while precision sectors may favor UCI systems.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-maintenance-and-care\">Wartung und Pflege<\/h2>\n\n\n\n<p>Proper maintenance includes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Inspecting impact bodies<\/li>\n\n\n\n<li>Checking indenter wear<\/li>\n\n\n\n<li>Cleaning probe surfaces<\/li>\n\n\n\n<li>Performing regular calibration<\/li>\n<\/ul>\n\n\n\n<p>Preventive care extends equipment life.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-johoyd-portable-hardness-tester-solutions\">Johoyd Portable H\u00e4rtepr\u00fcfger\u00e4te L\u00f6sungen<\/h2>\n\n\n\n<p>Zuverl\u00e4ssig <strong>Tragbares H\u00e4rtepr\u00fcfger\u00e4t<\/strong> systems require precision engineering and compliance with international standards. <strong>Johoyd<\/strong>, durch <strong><a href=\"https:\/\/hardnesstests.com\/de_de_formal\/\">https:\/\/hardnesstests.com<\/a><\/strong>, provides advanced portable hardness testers using rebound and ultrasonic methods. Designed for industrial field testing, Johoyd systems support multiple hardness scales, digital storage, and ASTM\/ISO compliance to ensure accurate and repeatable results.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-future-trends\">Zuk\u00fcnftige Trends<\/h2>\n\n\n\n<p>Emerging advancements include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Wireless cloud synchronization<\/li>\n\n\n\n<li>AI-assisted hardness analysis<\/li>\n\n\n\n<li>Enhanced miniaturization<\/li>\n\n\n\n<li>Longer battery life<\/li>\n\n\n\n<li>Industry 4.0 integration<\/li>\n<\/ul>\n\n\n\n<p>Portable hardness testing continues to evolve toward smarter field diagnostics.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions\">H\u00e4ufig gestellte Fragen<\/h2>\n\n\n\n<p><strong>Welches ist das g\u00e4ngigste tragbare H\u00e4rtepr\u00fcfger\u00e4t?<\/strong><br>The Leeb rebound hardness tester is widely used for heavy metal components.<\/p>\n\n\n\n<p><strong>Can portable testers measure multiple scales?<\/strong><br>Yes, most devices convert readings into HRC, HB, HV, and more.<\/p>\n\n\n\n<p><strong>Is portable testing accurate?<\/strong><br>Yes, when properly calibrated and used under correct conditions.<\/p>\n\n\n\n<p><strong>Can it test welds?<\/strong><br>Ja, tragbare Pr\u00fcfger\u00e4te sind ideal f\u00fcr die Pr\u00fcfung der Schwei\u00dfnahth\u00e4rte.<\/p>\n\n\n\n<p><strong>Does surface finish matter?<\/strong><br>Yes, smoother surfaces improve measurement consistency.<\/p>\n\n\n\n<p><strong>Is it suitable for thin materials?<\/strong><br>UCI testers are better for thin materials than rebound testers.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\">Fazit<\/h2>\n\n\n\n<p>A <strong>Tragbares H\u00e4rtepr\u00fcfger\u00e4t<\/strong> is an essential tool for industries requiring fast, reliable, and on-site hardness measurement. By enabling non-destructive testing without dismantling equipment, portable testers significantly reduce downtime and improve operational efficiency.<\/p>\n\n\n\n<p>With advanced portable hardness testing solutions from <strong>Johoyd<\/strong> unter <strong>hardnesstests.com<\/strong>, manufacturers and inspection teams can achieve accurate, standards-compliant hardness verification in the field. Investing in the right portable hardness tester ensures safety, reliability, and consistent quality control across industrial operations.<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction A Portable Hardness Tester is a compact, field-ready device designed to measure the hardness of metals directly at the<\/p>","protected":false},"author":4,"featured_media":30225,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[117],"tags":[],"class_list":["post-30502","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hardness-tester"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.4 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Portable Hardness Tester - hardnesstests<\/title>\n<meta name=\"description\" content=\"Discover how a Portable Hardness Tester enables fast, reliable, and on-site hardness measurement for metals across oil &amp; gas, automotive, aerospace, and heavy industry.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hardnesstests.com\/de_de_formal\/portable-hardness-tester-2\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Portable Hardness Tester\" \/>\n<meta property=\"og:description\" content=\"Discover how a Portable Hardness Tester enables fast, reliable, and on-site hardness measurement for metals across oil &amp; gas, automotive, aerospace, and heavy industry.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hardnesstests.com\/de_de_formal\/portable-hardness-tester-2\/\" \/>\n<meta property=\"og:site_name\" content=\"hardnesstests\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-03T06:19:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-03T06:19:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hardnesstests.com\/wp-content\/uploads\/2025\/12\/9.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"1200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"tingting\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Geschrieben von\" \/>\n\t<meta name=\"twitter:data1\" content=\"tingting\" \/>\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data2\" content=\"6\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/hardnesstests.com\/portable-hardness-tester-2\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/hardnesstests.com\/portable-hardness-tester-2\/\"},\"author\":{\"name\":\"tingting\",\"@id\":\"https:\/\/hardnesstests.com\/tr\/#\/schema\/person\/4dfcde616788fc5d9ece9551a87be8ce\"},\"headline\":\"Portable Hardness Tester\",\"datePublished\":\"2026-03-03T06:19:37+00:00\",\"dateModified\":\"2026-03-03T06:19:40+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/hardnesstests.com\/portable-hardness-tester-2\/\"},\"wordCount\":932,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/hardnesstests.com\/tr\/#organization\"},\"image\":{\"@id\":\"https:\/\/hardnesstests.com\/portable-hardness-tester-2\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/hardnesstests.com\/wp-content\/uploads\/2025\/12\/9.jpg\",\"articleSection\":[\"Hardness Tester\"],\"inLanguage\":\"de\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/hardnesstests.com\/portable-hardness-tester-2\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/hardnesstests.com\/portable-hardness-tester-2\/\",\"url\":\"https:\/\/hardnesstests.com\/portable-hardness-tester-2\/\",\"name\":\"Portable Hardness Tester - 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