DiFluid | Digital Refractometer - R2 Extract

by DiFluid

$1,328.00

R2 Extract accurately measures the concentration of brewed coffee in TDS%.

TDS (Total Dissolved Solids) represents the percentage of a coffee beverage’s total weight that consists of dissolved coffee compounds — providing a clear indicator of brew strength and extraction.

Precision TDS Measurement
Instantly measure Total Dissolved Solids (TDS) with speed and laboratory-level accuracy, giving you clear insight into every extraction.

Seamless CoffeeOS Integration
Sync directly with CoffeeOS and log brews via the Brew Control Chart. Extraction yield is calculated automatically in real time — no manual math required.

Brew-to-Brew Consistency
Ensure repeatable, data-driven results across café service, roasting QC, or home brewing setups.

Simple, Reliable Calibration
Calibrate effortlessly using distilled water for universal comparability, or your brewing water for the most precise extraction analysis.

Product information "R2 Extract Coffee TDS Refractometer"

Range

0-30% TDS

Precision

±0.02% TDS

Operating Temperature

5-40

Charging Port

USB-C

Test Time

4s

Battery Capacity

430mAh

Charging Specs

5V0.3A

Water Resistance

IP67


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We offer local free shipping for any purchase of coffee brands or/ and any orders of coffee products made within Hong Kong and Macau over HK $350.
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Game Leader

Not just another cafe! Hazel & Hershey does more than play the field. We source . We roast . We serve . We distribute . We are a one-stop coffee solution provider, a coffee expert who committed to making long-lasting positive change in the coffee industry.
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The Distributor

Recognised as an authorised distributor and/or reseller of your favourite coffee tools
e.g. Acaia, Comandante, Kalita, Delter Press Coffee, La Marzocco, Urnex and VST and more.