{"id":3877,"date":"2025-10-10T20:34:51","date_gmt":"2025-10-10T17:34:51","guid":{"rendered":"https:\/\/ham-tool.com\/?post_type=product&#038;p=3877"},"modified":"2026-04-17T21:10:00","modified_gmt":"2026-04-17T18:10:00","slug":"brake-fluid-tester-pen","status":"publish","type":"product","link":"https:\/\/ham-tool.com\/en\/shop\/workshop-supplies\/mechanical-workshop\/brake-fluid-tester-pen\/","title":{"rendered":"Brake Fluid Tester Pen"},"content":{"rendered":"<p>The <strong data-start=\"690\" data-end=\"716\">Brake Fluid Tester Pen<\/strong> quickly and accurately checks the <strong data-start=\"751\" data-end=\"786\">moisture content in brake fluid<\/strong> to ensure optimal brake performance and safety.<br data-start=\"834\" data-end=\"837\" \/>It features <strong data-start=\"849\" data-end=\"867\">LED indicators<\/strong> that display the water percentage, helping detect fluid degradation before it affects braking efficiency.<br data-start=\"973\" data-end=\"976\" \/>\u2705 Powered by a small AAA battery<br data-start=\"1008\" data-end=\"1011\" \/>\u2705 LED lights (green\/yellow\/red) show fluid condition<br data-start=\"1063\" data-end=\"1066\" \/>\u2705 Compatible with <strong data-start=\"1084\" data-end=\"1108\">DOT3 \/ DOT4 \/ DOT5.1<\/strong> brake fluids<br data-start=\"1121\" data-end=\"1124\" \/>\u2705 Compact pen-shaped design for easy use and portability<br data-start=\"1180\" data-end=\"1183\" \/>\u2705 Ideal for workshops, garages, and car inspection services<br data-start=\"1242\" data-end=\"1245\" \/>\u2705 Prevents brake failure by monitoring fluid quality<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Brake Fluid Tester Pen quickly and accurately checks the moisture content in brake fluid to ensure optimal brake performance and safety.It features LED indicators that display the water percentage, helping detect fluid degradation before it affects braking efficiency.\u2705 Powered by a small AAA battery\u2705 LED lights (green\/yellow\/red) show fluid condition\u2705 Compatible with DOT3 \/&#8230;<\/p>\n","protected":false},"featured_media":3880,"template":"","meta":{"inline_featured_image":false,"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"product_brand":[],"product_cat":[52,47],"product_tag":[224],"class_list":{"0":"post-3877","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-mechanical-workshop","7":"product_cat-workshop-supplies","8":"product_tag-special","10":"first","11":"instock","12":"shipping-taxable","13":"purchasable","14":"product-type-simple","15":"entry","16":"content-bg","17":"loop-entry"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Brake Fluid Tester Pen - HAM<\/title>\n<meta name=\"description\" content=\"Brake fluid tester pen with LED indicators for measuring moisture in DOT3, DOT4, and DOT5.1 fluids. Compact, accurate, and essential for vehicle safety.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ham-tool.com\/shop\/workshop-supplies-ar\/mechanical-workshop-ar\/\u0642\u0644\u0645-\u0627\u062e\u062a\u0628\u0627\u0631-\u0632\u064a\u062a-\u0641\u0631\u0627\u0645\u0644\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Brake Fluid Tester Pen - HAM\" \/>\n<meta property=\"og:description\" content=\"Brake fluid tester pen with LED indicators for measuring moisture in DOT3, DOT4, and DOT5.1 fluids. Compact, accurate, and essential for vehicle safety.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ham-tool.com\/shop\/workshop-supplies-ar\/mechanical-workshop-ar\/\u0642\u0644\u0645-\u0627\u062e\u062a\u0628\u0627\u0631-\u0632\u064a\u062a-\u0641\u0631\u0627\u0645\u0644\/\" \/>\n<meta property=\"og:site_name\" content=\"HAM\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-17T18:10:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ham-tool.com\/wp-content\/uploads\/2025\/10\/\u0642\u0644\u0645-\u0627\u062e\u062a\u0628\u0627\u0631-\u0632\u064a\u062a-\u0641\u0631\u0627\u0645\u0644-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1080\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\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:\\\/\\\/ham-tool.com\\\/shop\\\/workshop-supplies-ar\\\/mechanical-workshop-ar\\\/%d9%82%d9%84%d9%85-%d8%a7%d8%ae%d8%aa%d8%a8%d8%a7%d8%b1-%d8%b2%d9%8a%d8%aa-%d9%81%d8%b1%d8%a7%d9%85%d9%84\\\/\",\"url\":\"https:\\\/\\\/ham-tool.com\\\/shop\\\/workshop-supplies-ar\\\/mechanical-workshop-ar\\\/%d9%82%d9%84%d9%85-%d8%a7%d8%ae%d8%aa%d8%a8%d8%a7%d8%b1-%d8%b2%d9%8a%d8%aa-%d9%81%d8%b1%d8%a7%d9%85%d9%84\\\/\",\"name\":\"Brake Fluid Tester Pen - HAM\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ham-tool.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/ham-tool.com\\\/shop\\\/workshop-supplies-ar\\\/mechanical-workshop-ar\\\/%d9%82%d9%84%d9%85-%d8%a7%d8%ae%d8%aa%d8%a8%d8%a7%d8%b1-%d8%b2%d9%8a%d8%aa-%d9%81%d8%b1%d8%a7%d9%85%d9%84\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/ham-tool.com\\\/shop\\\/workshop-supplies-ar\\\/mechanical-workshop-ar\\\/%d9%82%d9%84%d9%85-%d8%a7%d8%ae%d8%aa%d8%a8%d8%a7%d8%b1-%d8%b2%d9%8a%d8%aa-%d9%81%d8%b1%d8%a7%d9%85%d9%84\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ham-tool.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/\u0642\u0644\u0645-\u0627\u062e\u062a\u0628\u0627\u0631-\u0632\u064a\u062a-\u0641\u0631\u0627\u0645\u0644-1.jpg\",\"datePublished\":\"2025-10-10T17:34:51+00:00\",\"dateModified\":\"2026-04-17T18:10:00+00:00\",\"description\":\"Brake fluid tester pen with LED indicators for measuring moisture in DOT3, DOT4, and DOT5.1 fluids. Compact, accurate, and essential for vehicle safety.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/ham-tool.com\\\/shop\\\/workshop-supplies-ar\\\/mechanical-workshop-ar\\\/%d9%82%d9%84%d9%85-%d8%a7%d8%ae%d8%aa%d8%a8%d8%a7%d8%b1-%d8%b2%d9%8a%d8%aa-%d9%81%d8%b1%d8%a7%d9%85%d9%84\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/ham-tool.com\\\/shop\\\/workshop-supplies-ar\\\/mechanical-workshop-ar\\\/%d9%82%d9%84%d9%85-%d8%a7%d8%ae%d8%aa%d8%a8%d8%a7%d8%b1-%d8%b2%d9%8a%d8%aa-%d9%81%d8%b1%d8%a7%d9%85%d9%84\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/ham-tool.com\\\/shop\\\/workshop-supplies-ar\\\/mechanical-workshop-ar\\\/%d9%82%d9%84%d9%85-%d8%a7%d8%ae%d8%aa%d8%a8%d8%a7%d8%b1-%d8%b2%d9%8a%d8%aa-%d9%81%d8%b1%d8%a7%d9%85%d9%84\\\/#primaryimage\",\"url\":\"https:\\\/\\\/ham-tool.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/\u0642\u0644\u0645-\u0627\u062e\u062a\u0628\u0627\u0631-\u0632\u064a\u062a-\u0641\u0631\u0627\u0645\u0644-1.jpg\",\"contentUrl\":\"https:\\\/\\\/ham-tool.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/\u0642\u0644\u0645-\u0627\u062e\u062a\u0628\u0627\u0631-\u0632\u064a\u062a-\u0641\u0631\u0627\u0645\u0644-1.jpg\",\"width\":1080,\"height\":1080},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/ham-tool.com\\\/shop\\\/workshop-supplies-ar\\\/mechanical-workshop-ar\\\/%d9%82%d9%84%d9%85-%d8%a7%d8%ae%d8%aa%d8%a8%d8%a7%d8%b1-%d8%b2%d9%8a%d8%aa-%d9%81%d8%b1%d8%a7%d9%85%d9%84\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/ham-tool.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\\\/\\\/ham-tool.com\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Brake Fluid Tester Pen\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/ham-tool.com\\\/#website\",\"url\":\"https:\\\/\\\/ham-tool.com\\\/\",\"name\":\"HAM\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/ham-tool.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/ham-tool.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/ham-tool.com\\\/#organization\",\"name\":\"HAM\",\"url\":\"https:\\\/\\\/ham-tool.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/ham-tool.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/ham-tool.com\\\/wp-content\\\/uploads\\\/2024\\\/10\\\/file.png\",\"contentUrl\":\"https:\\\/\\\/ham-tool.com\\\/wp-content\\\/uploads\\\/2024\\\/10\\\/file.png\",\"width\":512,\"height\":512,\"caption\":\"HAM\"},\"image\":{\"@id\":\"https:\\\/\\\/ham-tool.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Brake Fluid Tester Pen - HAM","description":"Brake fluid tester pen with LED indicators for measuring moisture in DOT3, DOT4, and DOT5.1 fluids. Compact, accurate, and essential for vehicle safety.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/ham-tool.com\/shop\/workshop-supplies-ar\/mechanical-workshop-ar\/\u0642\u0644\u0645-\u0627\u062e\u062a\u0628\u0627\u0631-\u0632\u064a\u062a-\u0641\u0631\u0627\u0645\u0644\/","og_locale":"en_US","og_type":"article","og_title":"Brake Fluid Tester Pen - HAM","og_description":"Brake fluid tester pen with LED indicators for measuring moisture in DOT3, DOT4, and DOT5.1 fluids. Compact, accurate, and essential for vehicle safety.","og_url":"https:\/\/ham-tool.com\/shop\/workshop-supplies-ar\/mechanical-workshop-ar\/\u0642\u0644\u0645-\u0627\u062e\u062a\u0628\u0627\u0631-\u0632\u064a\u062a-\u0641\u0631\u0627\u0645\u0644\/","og_site_name":"HAM","article_modified_time":"2026-04-17T18:10:00+00:00","og_image":[{"width":1080,"height":1080,"url":"https:\/\/ham-tool.com\/wp-content\/uploads\/2025\/10\/\u0642\u0644\u0645-\u0627\u062e\u062a\u0628\u0627\u0631-\u0632\u064a\u062a-\u0641\u0631\u0627\u0645\u0644-1.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/ham-tool.com\/shop\/workshop-supplies-ar\/mechanical-workshop-ar\/%d9%82%d9%84%d9%85-%d8%a7%d8%ae%d8%aa%d8%a8%d8%a7%d8%b1-%d8%b2%d9%8a%d8%aa-%d9%81%d8%b1%d8%a7%d9%85%d9%84\/","url":"https:\/\/ham-tool.com\/shop\/workshop-supplies-ar\/mechanical-workshop-ar\/%d9%82%d9%84%d9%85-%d8%a7%d8%ae%d8%aa%d8%a8%d8%a7%d8%b1-%d8%b2%d9%8a%d8%aa-%d9%81%d8%b1%d8%a7%d9%85%d9%84\/","name":"Brake Fluid Tester Pen - HAM","isPartOf":{"@id":"https:\/\/ham-tool.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/ham-tool.com\/shop\/workshop-supplies-ar\/mechanical-workshop-ar\/%d9%82%d9%84%d9%85-%d8%a7%d8%ae%d8%aa%d8%a8%d8%a7%d8%b1-%d8%b2%d9%8a%d8%aa-%d9%81%d8%b1%d8%a7%d9%85%d9%84\/#primaryimage"},"image":{"@id":"https:\/\/ham-tool.com\/shop\/workshop-supplies-ar\/mechanical-workshop-ar\/%d9%82%d9%84%d9%85-%d8%a7%d8%ae%d8%aa%d8%a8%d8%a7%d8%b1-%d8%b2%d9%8a%d8%aa-%d9%81%d8%b1%d8%a7%d9%85%d9%84\/#primaryimage"},"thumbnailUrl":"https:\/\/ham-tool.com\/wp-content\/uploads\/2025\/10\/\u0642\u0644\u0645-\u0627\u062e\u062a\u0628\u0627\u0631-\u0632\u064a\u062a-\u0641\u0631\u0627\u0645\u0644-1.jpg","datePublished":"2025-10-10T17:34:51+00:00","dateModified":"2026-04-17T18:10:00+00:00","description":"Brake fluid tester pen with LED indicators for measuring moisture in DOT3, DOT4, and DOT5.1 fluids. Compact, accurate, and essential for vehicle safety.","breadcrumb":{"@id":"https:\/\/ham-tool.com\/shop\/workshop-supplies-ar\/mechanical-workshop-ar\/%d9%82%d9%84%d9%85-%d8%a7%d8%ae%d8%aa%d8%a8%d8%a7%d8%b1-%d8%b2%d9%8a%d8%aa-%d9%81%d8%b1%d8%a7%d9%85%d9%84\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/ham-tool.com\/shop\/workshop-supplies-ar\/mechanical-workshop-ar\/%d9%82%d9%84%d9%85-%d8%a7%d8%ae%d8%aa%d8%a8%d8%a7%d8%b1-%d8%b2%d9%8a%d8%aa-%d9%81%d8%b1%d8%a7%d9%85%d9%84\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/ham-tool.com\/shop\/workshop-supplies-ar\/mechanical-workshop-ar\/%d9%82%d9%84%d9%85-%d8%a7%d8%ae%d8%aa%d8%a8%d8%a7%d8%b1-%d8%b2%d9%8a%d8%aa-%d9%81%d8%b1%d8%a7%d9%85%d9%84\/#primaryimage","url":"https:\/\/ham-tool.com\/wp-content\/uploads\/2025\/10\/\u0642\u0644\u0645-\u0627\u062e\u062a\u0628\u0627\u0631-\u0632\u064a\u062a-\u0641\u0631\u0627\u0645\u0644-1.jpg","contentUrl":"https:\/\/ham-tool.com\/wp-content\/uploads\/2025\/10\/\u0642\u0644\u0645-\u0627\u062e\u062a\u0628\u0627\u0631-\u0632\u064a\u062a-\u0641\u0631\u0627\u0645\u0644-1.jpg","width":1080,"height":1080},{"@type":"BreadcrumbList","@id":"https:\/\/ham-tool.com\/shop\/workshop-supplies-ar\/mechanical-workshop-ar\/%d9%82%d9%84%d9%85-%d8%a7%d8%ae%d8%aa%d8%a8%d8%a7%d8%b1-%d8%b2%d9%8a%d8%aa-%d9%81%d8%b1%d8%a7%d9%85%d9%84\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/ham-tool.com\/"},{"@type":"ListItem","position":2,"name":"Shop","item":"https:\/\/ham-tool.com\/shop\/"},{"@type":"ListItem","position":3,"name":"Brake Fluid Tester Pen"}]},{"@type":"WebSite","@id":"https:\/\/ham-tool.com\/#website","url":"https:\/\/ham-tool.com\/","name":"HAM","description":"","publisher":{"@id":"https:\/\/ham-tool.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/ham-tool.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/ham-tool.com\/#organization","name":"HAM","url":"https:\/\/ham-tool.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/ham-tool.com\/#\/schema\/logo\/image\/","url":"https:\/\/ham-tool.com\/wp-content\/uploads\/2024\/10\/file.png","contentUrl":"https:\/\/ham-tool.com\/wp-content\/uploads\/2024\/10\/file.png","width":512,"height":512,"caption":"HAM"},"image":{"@id":"https:\/\/ham-tool.com\/#\/schema\/logo\/image\/"}}]}},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/ham-tool.com\/en\/wp-json\/wp\/v2\/product\/3877","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ham-tool.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ham-tool.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ham-tool.com\/en\/wp-json\/wp\/v2\/media\/3880"}],"wp:attachment":[{"href":"https:\/\/ham-tool.com\/en\/wp-json\/wp\/v2\/media?parent=3877"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ham-tool.com\/en\/wp-json\/wp\/v2\/product_brand?post=3877"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ham-tool.com\/en\/wp-json\/wp\/v2\/product_cat?post=3877"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ham-tool.com\/en\/wp-json\/wp\/v2\/product_tag?post=3877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}