R2 Extract - Coffee TDS Refractometer

The Brew Control System
Includes the essential tool to track, analyze, and perfect your brews: R2 Extract.

Measure TDS & Calculate Extraction
R2 Extract provides highly accurate TDS measurements so you can calculate extraction yield and understand how your coffee is developing.

Brew Logging
Even if you don’t record your brews automatically, you can manually enter brew parameters into the CoffeeOS Brew Control Chart and match them with extraction data to dial in brews effectively.

Consistency Across Brews
Track and compare each brew in CoffeeOS to maintain repeatable results, making this tool ideal for cafés, roasteries, or other coffee businesses seeking quality control.

Data-Driven Brewing
Use R2 Extract data in CoffeeOS to fine-tune grind size, ratios, and brew techniques, helping you reach optimal flavor in every cup.

Professional-Level Insights
Even without automatic brew recording, you gain full visibility into your extraction trends via CoffeeOS, improving quality and efficiency over time.

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