R2 Extract Coffee TDS Refractometer, 0-30% Range, ±0.02
R2 Extract Coffee TDS Refractometer, 0-30% Range, ±0.02% Precision, Portable, Waterproof, Rechargeable, Ideal for Pour Over, Espresso, and Coffee Enthusiasts Precise TDS Measurement for Better Brews: Achieve perfect extraction with 0-30% TDS range, ±0.02% precision, 0.01% resolution, and ±0.03% accuracy — designed for professional coffee brewing. Designed for Pour Over and Espresso Brewing: Portable and easy to use, making it ideal for specialty coffee shops, baristas, and enthusiasts who demand consistency in pour over, espresso, and cold brew. Waterproof and Effortless Cleaning: IP67 water-resistant design lets you rinse the sample dish under running water and wipe it dry — quick...