{"product_id":"rs-extract","title":"RS Extract | Professional Coffee TDS Refractometer","description":"\u003cp\u003e\u003cstrong\u003eReads coffee hot, from 4 to 65 °C.\u003c\/strong\u003e RS Extract is a professional coffee refractometer for people whose measurements other people rely on: roasteries, training labs, quality teams, competitors and field service. Pour the sample straight from the brew and read it. Cooling Curve Compensation uses the room temperature and the temperature in the well to work out where the reading settles, so there is no pipette rinse, no waiting for the sample to cool, and no evaporation creeping into the result.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e±0.02% TDS repeatability, on a refractive index resolved to 0.00002\u003c\/li\u003e\n\u003cli\u003e0 to 30% TDS, so filter and espresso are measured on one device\u003c\/li\u003e\n\u003cli\u003eExtraction yield on the device: enter dose and beverage weight on the 3.5-inch color touchscreen and read EXT% beside TDS on the brew control chart\u003c\/li\u003e\n\u003cli\u003e500 stored readings\u003c\/li\u003e\n\u003cli\u003eA magnetic lid seals the well while it reads, and doubles as the dust cap\u003c\/li\u003e\n\u003cli\u003eIP67, 13 hours of continuous measuring, USB-C charging\u003c\/li\u003e\n\u003cli\u003eConnects to CoffeeOS over Bluetooth, so each reading can be linked to the brew and the bean it came from\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePreorder.\u003c\/strong\u003e Shipping starts 25 October 2026. Orders ship in the order they were placed.\u003c\/p\u003e","brand":"DiFluid","offers":[{"title":"Default Title","offer_id":67660587073763,"sku":"DFT-KF-RES-NE-NE-LS2-BK","price":925.59,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/6701\/1811\/files\/os-promo-rs-extract-desktop.jpg?v=1792015639","url":"https:\/\/digitizefluid.com\/en-ca\/products\/rs-extract","provider":"DiFluid","version":"1.0","type":"link"}