R2 Extract Coffee TDS Refractometer – 0-30% Range, Waterproof, Rechargeable

Measure your extraction precisely with the R2 Extract refractometer: a 0–30% TDS range, ±0.02% precision, 0.01% resolution, and ±0.03% accuracy. Built for anyone who wants to dial in shots by numbers rather than guesswork.

• Portable and straightforward for pour-over, espresso, and cold brew — suited to specialty coffee shops, working baristas, and serious home brewers
• IP67 waterproof: rinse the sample dish under running water and wipe dry
• Standard, Multi-Test, and Auto-Test modes to match your brewing style
• App connectivity to save brew data, share recipes, and track results over time

Free shipping on U.S. orders $25+
Flat $5.99 on orders under $25.
Ships within 1 business day · Estimated delivery 5–7 days

30-Day Satisfaction Guarantee

If your order arrives damaged, incorrect, or defective, contact us within 30 days and we'll replace it or refund you in full — no return shipping needed. Equipment can be returned within 30 days in original condition.