{"id":62499,"date":"2023-02-23T09:55:42","date_gmt":"2023-02-23T09:55:42","guid":{"rendered":"https:\/\/www.fooddiagnostics.dk\/vare\/dr-m4-refractometer\/"},"modified":"2023-02-23T09:55:42","modified_gmt":"2023-02-23T09:55:42","slug":"dr-m4-refractometer","status":"publish","type":"product","link":"https:\/\/www.fooddiagnostics.dk\/en\/vare\/dr-m4-refractometer\/","title":{"rendered":"DR-M4 Refractometer"},"content":{"rendered":"<h1><strong>DR-M4 Refractometer &#8211; Refractive index measurement at different wavelengths<\/strong><\/h1>\n<p>The DR-M4 Refractometer can measure refractive index at different wavelengths from 681 to 1100 nm.<\/p>\n<p><strong>Specifications:<\/strong><\/p>\n<ul>\n<li><strong>450 nm:<\/strong> RI 1.5219 to 1.9220<\/li>\n<li><strong>589 nm:<\/strong> RI 1.4700 to 1.8700<\/li>\n<li><strong>680 nm:<\/strong> RI 1.4545 to 1.8544<\/li>\n<li><strong>1,100 nm:<\/strong> RI 1.4260 to 1.8259<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Refractive index or Abbe number (\u03bdd or \u03bde) can be measured at different wavelengths from 450 to 1,100 nm (for measurement at wavelengths from 681 to 1,100 nm, the optional near infrared beam viewer (RE-9119) is required). The DR-M4 displays the refractive index or Abbe number measurement result digitally on the LCD screen. Measurement can be obtained by matching the boundary line with the intersection point of the cross hairs. This refractometer can be connected to the digital printer DP-AD (B) (optional).   <\/p>\n","protected":false},"excerpt":{"rendered":"<p>DR-M4 Refractometer with refractive index from 681-1100 nm.<\/p>\n","protected":false},"featured_media":48449,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[13789,13253,13786],"product_tag":[],"class_list":["post-62499","product","type-product","status-publish","has-post-thumbnail","product_cat-biochemistry-refractometers-abbe","product_cat-biochemistry","product_cat-biochemistry-refractometers","first","onbackorder","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DR-M4 Refractometer - Food Diagnostics<\/title>\n<meta name=\"description\" content=\"DR-M4 Refractometer: Refractive index or Abbe number (\u03bdd or \u03bde) can be measured at wavelengths from 450 to 1,100 nm (for measurement from 681 to 1,100 nm).\" \/>\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.fooddiagnostics.dk\/en\/vare\/dr-m4-refractometer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DR-M4 Refractometer - Food Diagnostics\" \/>\n<meta property=\"og:description\" content=\"DR-M4 Refractometer: Refractive index or Abbe number (\u03bdd or \u03bde) can be measured at wavelengths from 450 to 1,100 nm (for measurement from 681 to 1,100 nm).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fooddiagnostics.dk\/en\/vare\/dr-m4-refractometer\/\" \/>\n<meta property=\"og:site_name\" content=\"Food Diagnostics\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fooddiagnostics.dk\/wp-content\/uploads\/1414-DR-M4.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"700\" \/>\n\t<meta property=\"og:image:height\" content=\"700\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\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:\\\/\\\/www.fooddiagnostics.dk\\\/en\\\/vare\\\/dr-m4-refractometer\\\/\",\"url\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/en\\\/vare\\\/dr-m4-refractometer\\\/\",\"name\":\"DR-M4 Refractometer - Food Diagnostics\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/en\\\/vare\\\/dr-m4-refractometer\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/en\\\/vare\\\/dr-m4-refractometer\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/wp-content\\\/uploads\\\/1414-DR-M4.webp\",\"datePublished\":\"2023-02-23T09:55:42+00:00\",\"description\":\"DR-M4 Refractometer: Refractive index or Abbe number (\u03bdd or \u03bde) can be measured at wavelengths from 450 to 1,100 nm (for measurement from 681 to 1,100 nm).\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/en\\\/vare\\\/dr-m4-refractometer\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.fooddiagnostics.dk\\\/en\\\/vare\\\/dr-m4-refractometer\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/en\\\/vare\\\/dr-m4-refractometer\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/wp-content\\\/uploads\\\/1414-DR-M4.webp\",\"contentUrl\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/wp-content\\\/uploads\\\/1414-DR-M4.webp\",\"width\":700,\"height\":700,\"caption\":\"DR-M4 Refractometer\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/en\\\/vare\\\/dr-m4-refractometer\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Hjem\",\"item\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/en\\\/food-diagnostics\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"DR-M4 Refractometer\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/en\\\/\",\"name\":\"Food Diagnostics\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/en\\\/#organization\",\"name\":\"Food Diagnostics\",\"url\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/wp-content\\\/uploads\\\/cropped-FD_Logo_Hexagon-1.png\",\"contentUrl\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/wp-content\\\/uploads\\\/cropped-FD_Logo_Hexagon-1.png\",\"width\":512,\"height\":512,\"caption\":\"Food Diagnostics\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fooddiagnostics.dk\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"DR-M4 Refractometer - Food Diagnostics","description":"DR-M4 Refractometer: Refractive index or Abbe number (\u03bdd or \u03bde) can be measured at wavelengths from 450 to 1,100 nm (for measurement from 681 to 1,100 nm).","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:\/\/www.fooddiagnostics.dk\/en\/vare\/dr-m4-refractometer\/","og_locale":"en_US","og_type":"article","og_title":"DR-M4 Refractometer - Food Diagnostics","og_description":"DR-M4 Refractometer: Refractive index or Abbe number (\u03bdd or \u03bde) can be measured at wavelengths from 450 to 1,100 nm (for measurement from 681 to 1,100 nm).","og_url":"https:\/\/www.fooddiagnostics.dk\/en\/vare\/dr-m4-refractometer\/","og_site_name":"Food Diagnostics","og_image":[{"width":700,"height":700,"url":"https:\/\/www.fooddiagnostics.dk\/wp-content\/uploads\/1414-DR-M4.webp","type":"image\/webp"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.fooddiagnostics.dk\/en\/vare\/dr-m4-refractometer\/","url":"https:\/\/www.fooddiagnostics.dk\/en\/vare\/dr-m4-refractometer\/","name":"DR-M4 Refractometer - Food Diagnostics","isPartOf":{"@id":"https:\/\/www.fooddiagnostics.dk\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.fooddiagnostics.dk\/en\/vare\/dr-m4-refractometer\/#primaryimage"},"image":{"@id":"https:\/\/www.fooddiagnostics.dk\/en\/vare\/dr-m4-refractometer\/#primaryimage"},"thumbnailUrl":"https:\/\/www.fooddiagnostics.dk\/wp-content\/uploads\/1414-DR-M4.webp","datePublished":"2023-02-23T09:55:42+00:00","description":"DR-M4 Refractometer: Refractive index or Abbe number (\u03bdd or \u03bde) can be measured at wavelengths from 450 to 1,100 nm (for measurement from 681 to 1,100 nm).","breadcrumb":{"@id":"https:\/\/www.fooddiagnostics.dk\/en\/vare\/dr-m4-refractometer\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.fooddiagnostics.dk\/en\/vare\/dr-m4-refractometer\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fooddiagnostics.dk\/en\/vare\/dr-m4-refractometer\/#primaryimage","url":"https:\/\/www.fooddiagnostics.dk\/wp-content\/uploads\/1414-DR-M4.webp","contentUrl":"https:\/\/www.fooddiagnostics.dk\/wp-content\/uploads\/1414-DR-M4.webp","width":700,"height":700,"caption":"DR-M4 Refractometer"},{"@type":"BreadcrumbList","@id":"https:\/\/www.fooddiagnostics.dk\/en\/vare\/dr-m4-refractometer\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Hjem","item":"https:\/\/www.fooddiagnostics.dk\/en\/food-diagnostics\/"},{"@type":"ListItem","position":2,"name":"Shop","item":"https:\/\/www.fooddiagnostics.dk\/shop\/"},{"@type":"ListItem","position":3,"name":"DR-M4 Refractometer"}]},{"@type":"WebSite","@id":"https:\/\/www.fooddiagnostics.dk\/en\/#website","url":"https:\/\/www.fooddiagnostics.dk\/en\/","name":"Food Diagnostics","description":"","publisher":{"@id":"https:\/\/www.fooddiagnostics.dk\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.fooddiagnostics.dk\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.fooddiagnostics.dk\/en\/#organization","name":"Food Diagnostics","url":"https:\/\/www.fooddiagnostics.dk\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fooddiagnostics.dk\/en\/#\/schema\/logo\/image\/","url":"https:\/\/www.fooddiagnostics.dk\/wp-content\/uploads\/cropped-FD_Logo_Hexagon-1.png","contentUrl":"https:\/\/www.fooddiagnostics.dk\/wp-content\/uploads\/cropped-FD_Logo_Hexagon-1.png","width":512,"height":512,"caption":"Food Diagnostics"},"image":{"@id":"https:\/\/www.fooddiagnostics.dk\/en\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.fooddiagnostics.dk\/en\/wp-json\/wp\/v2\/product\/62499","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fooddiagnostics.dk\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.fooddiagnostics.dk\/en\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":0,"href":"https:\/\/www.fooddiagnostics.dk\/en\/wp-json\/wp\/v2\/product\/62499\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fooddiagnostics.dk\/en\/wp-json\/wp\/v2\/media\/48449"}],"wp:attachment":[{"href":"https:\/\/www.fooddiagnostics.dk\/en\/wp-json\/wp\/v2\/media?parent=62499"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.fooddiagnostics.dk\/en\/wp-json\/wp\/v2\/product_brand?post=62499"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.fooddiagnostics.dk\/en\/wp-json\/wp\/v2\/product_cat?post=62499"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.fooddiagnostics.dk\/en\/wp-json\/wp\/v2\/product_tag?post=62499"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}