Compare TDS Meters
R2 Extract
Precision, purpose built for coffee.
$229.99
R1 Extract
The refractometer, reimagined.
$129.99
±0.03% Accuracy ±0.02% Precision
±0.04% Accuracy ±0.03% Precision
Tests TDS, refractive index, and sample temperature Aluminum sample dish for better heat dispersion Our best temperature compensation algorithm
Tests TDS, refractive index, and sample temperature -- Temperature compensation algorithm
CoffeeOS
Brew Controller Brew Recorder Notes Manager
CoffeeOS
Brew Controller Brew Recorder Notes Manager
