{"product_id":"difluid-r2-extract-refractometer","title":"R2 Extract Refractometer","description":"\u003cp\u003e\u003cstrong\u003eDiFluid - R2 Extract - Coffee TDS Refractometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"383\" data-start=\"47\"\u003eA precision coffee measurement tool designed for baristas, roasters, and dedicated home brewers who want to quantify and improve brew quality. The R2 Extract lets you accurately measure Total Dissolved Solids (TDS) - the key metric that reflects coffee strength and extraction. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"401\" data-start=\"385\"\u003eKey Features\u003c\/p\u003e\n\u003cul data-end=\"1353\" data-start=\"402\"\u003e\n\u003cli data-end=\"596\" data-start=\"402\"\u003e\n\u003cp data-end=\"596\" data-start=\"404\"\u003e\u003cstrong data-end=\"432\" data-start=\"404\"\u003eInstant TDS Measurement:\u003c\/strong\u003e Quickly determines the concentration of dissolved solids in brewed coffee to help you assess extraction and flavor balance. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"821\" data-start=\"597\"\u003e\n\u003cp data-end=\"821\" data-start=\"599\"\u003e\u003cstrong data-end=\"636\" data-start=\"599\"\u003eBluetooth + CoffeeOS Integration:\u003c\/strong\u003e Syncs with the free CoffeeOS app to automatically calculate extraction and log brews on the Brew Control Chart for repeatable results over time. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"975\" data-start=\"822\"\u003e\n\u003cp data-end=\"975\" data-start=\"824\"\u003e\u003cstrong data-end=\"845\" data-start=\"824\"\u003eEasy Calibration:\u003c\/strong\u003e Effortless calibration with distilled or brew water for accurate and comparable readings. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1181\" data-start=\"976\"\u003e\n\u003cp data-end=\"1181\" data-start=\"978\"\u003e\u003cstrong data-end=\"997\" data-start=\"978\"\u003eDurable Design:\u003c\/strong\u003e A larger sensor and modern optical system reduce the impact of external light — more durable and user-friendly than traditional refractometers. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1353\" data-start=\"1182\"\u003e\n\u003cp data-end=\"1353\" data-start=\"1184\"\u003e\u003cstrong data-end=\"1203\" data-start=\"1184\"\u003eHome \u0026amp; Pro Use:\u003c\/strong\u003e Suitable for filter and espresso brews, giving you clear feedback to refine recipes and dialing in consistency.\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e*SHIPS FROM \u003ca rel=\"noopener\" title=\"SEY House\" href=\"https:\/\/hyunah.club\/sey-house\" target=\"_blank\"\u003eSEY House\u003c\/a\u003e ON APRIL 8, 2026\u003c\/strong\u003e\u003c\/p\u003e","brand":"DiFluid","offers":[{"title":"Default Title","offer_id":46407660011710,"sku":null,"price":230.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0698\/2080\/9406\/files\/0CD4EAF4-8B76-4B1E-ACB6-152E4523619C.jpg?v=1771541645","url":"https:\/\/hyunah.coffee\/products\/difluid-r2-extract-refractometer","provider":"HYUNAH Coffee Club","version":"1.0","type":"link"}