DiFluid R2 Extract Refractometer

Precise extraction measurement for perfect coffee

The DiFluid R2 Extract Refractometer helps you determine exactly how much coffee extract is dissolved in your beverage. This is important for controlling the taste and strength of your coffee.

This is how it works:

• Take a sample: Place a small drop of coffee on the measuring surface of the refractometer.
• Measure: The device shines light through the drop and measures how the light is refracted.
• Read the results: You will see the percentage extraction of your coffee on the display.

The DiFluid R2 Extract refractometer uses advanced digital refraction technology and is equipped with a carefully calibrated 2D CMOS image sensor, a micro-calibration layer and two temperature sensors. All this ensures very accurate measurements and high precision. You can connect the R2 Extract to the DiFluid Café app and accurately analyse all data and supplement it with data from other DiFluid tools.

The most important properties

• Precise measurement: Resolution of 0.01% with a precision of ±0.02% and an accuracy of ±0.03%; measurement range of 0-30% TDS
• 2D CMOS image sensor: Reduces the risk of misalignment and brittleness, improves data capture and eliminates the need for a cap
• Large colour display: Provides greater detail and additional inspection options
• Aluminium shell: Best thermal conductivity for stable readings
• Micro-calibration layer: Compensates for external disturbances and physical deformations such as temperature changes or undissolved particles
• Dual temperature sensors: Minimise environmental effects by combining two separately placed sensors
• Hydrophobic nano coating: Prevents liquids from sticking to the glass surface, minimises the need to touch the surface and protects against scratches.
• Water resistant (IP67): Simply rinse under water and wipe clean
• DiFluid Café app connection for data tracking, recording and analysis
• Compact and portable

Scope of delivery

• Refractometer
• USB type C charging cable & sampling spoon
• Microfibre cloth
• Protective pouch