Coffee Brewing Control System – Coffee TDS Refractometer and Digital Scale with Timer, 0.02% Precision, 0.1g Resolution, Smart App, Rechargeable, Ideal for Pour Over and Espresso

TL;DR: The refractometer delivers exact TDS measurements while the digital scale tracks extraction weights with total accuracy. This product is perfect for those that take their coffee experience seriously or for shops wanting to ensure consistent results for their customers. ☕ Dialing in pour over extractions becomes scientific with the 0.02 percent refractometer precision and 0.1 gram scale resolution. Connecting to the smart app allows tracking extraction yields across different roast levels without manual logging. ☕ The scale timer triggers quickly upon sensing liquid flow, keeping brewing timing tight. Rechargeable battery power eliminates the need for loose cells, and the glass sample prism cleans off with a single wipe. As a 35 year veteran of the computer technology industry, I offer informed and experienced perspectives in my product reviews. I will update this review if anything changes within 1 year. ★★★★★ A 5 star rating indicates the product meets my expectations for its purpose.

Coffee enthusiasts wanting full control over their extraction process will appreciate this dual brewing control kit. Pairing a high-precision digital scale with a 0.02% precision TDS refractometer, it measures brew time, flow rate, and dissolved solids to help fine-tune recipes. Rechargeable batteries and smart app connectivity make tracking extraction data seamless over time. It offers serious home baristas an accurate, data-driven way to improve espresso shots and pour-overs.

The scale is steady on my counter without any lean, and its base has enough mass that it doesn't slip when you land a dripper with a stream flowing. The refractometer is compact and accurate. This scale measures very accurately. I like setting my dripper down at the beginning of a session to fill its volume, and the device kicks in when the first drip hits to run an integral timer for all your brews, so you just watch its progress. So easy to use once you get the hang of it. Really good tool for enthusiasts!