{"id":46288,"date":"2026-03-10T11:15:56","date_gmt":"2026-03-10T11:15:56","guid":{"rendered":"https:\/\/www.alpametrology.com\/uncategorized\/roughness-samples-for-calibration-alpa-la275\/"},"modified":"2026-03-10T12:33:37","modified_gmt":"2026-03-10T12:33:37","slug":"roughness-samples-for-calibration-alpa-la275","status":"publish","type":"product","link":"https:\/\/www.alpametrology.com\/en\/roughness-testers-and-profilometers\/roughness-samples-for-calibration-alpa-la275\/","title":{"rendered":"Roughness samples for calibration ALPA LA275"},"content":{"rendered":"<ul>\n<li>These are reference specimens for roughness testers calibration. Made of special material of high abrasion resistance. They guarantee an high homogeneity, so they can be certified by Accredia. <br \/>The nominal value is in Ra parameter.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>These are reference specimens for roughness testers calibration. Made of special material of high abrasion resistance. They guarantee an high homogeneity, so they can be certified by Accredia. The nominal value is in Ra parameter.<\/p>\n","protected":false},"featured_media":8985,"template":"","meta":{"content-type":""},"product_cat":[38199],"product_tag":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Roughness samples for calibration ALPA LA275<\/title>\n<meta name=\"description\" content=\"Roughness samples for calibration ALPA LA275 made of highly wear-resistant metal material guarantee homogeneous readings. The nominal value is expressed in Ra. Specimens can be certified by Accredia-accredited laboratories.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.alpametrology.com\/en\/roughness-testers-and-profilometers\/roughness-samples-for-calibration-alpa-la275\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Roughness samples for calibration ALPA LA275\" \/>\n<meta property=\"og:description\" content=\"Roughness samples for calibration ALPA LA275 made of highly wear-resistant metal material guarantee homogeneous readings. The nominal value is expressed in Ra. Specimens can be certified by Accredia-accredited laboratories.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.alpametrology.com\/en\/roughness-testers-and-profilometers\/roughness-samples-for-calibration-alpa-la275\/\" \/>\n<meta property=\"og:site_name\" content=\"Alpa Metrology\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-10T12:33:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.alpametrology.com\/wp-content\/uploads\/4c92b284-dacc-4cd9-812c-4eb3ab7c79d7.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1300\" \/>\n\t<meta property=\"og:image:height\" content=\"1300\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.alpametrology.com\/en\/roughness-testers-and-profilometers\/roughness-samples-for-calibration-alpa-la275\/\",\"url\":\"https:\/\/www.alpametrology.com\/en\/roughness-testers-and-profilometers\/roughness-samples-for-calibration-alpa-la275\/\",\"name\":\"Roughness samples for calibration ALPA LA275\",\"isPartOf\":{\"@id\":\"https:\/\/www.alpametrology.com\/en\/#website\"},\"datePublished\":\"2026-03-10T11:15:56+00:00\",\"dateModified\":\"2026-03-10T12:33:37+00:00\",\"description\":\"Roughness samples for calibration ALPA LA275 made of highly wear-resistant metal material guarantee homogeneous readings. 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