Have Questions?Ask An Expert

DiFluid Coffee Refratometer

2 sold in last 8 hours
customers are viewing this product

A refractometer measures how light bends (aka refracts) as it moves between air and liquid. This gives us information about the properties of the fluid. The coffee measures the Total Dissolved Solids (TDS), allowing us to calculate the extraction yield (1).

Easily analyze the thickness of each brew, whether it meets the SCA Gold Cup standard and calculate the extraction rate


  • Range: 0~26% Coffee TDS
    For Pour Over / Espresso
  • Measurement Accuracy: ± 0.03% Coffee TDS
    The test result is the most accurate when the sample to be tested is cooled to room temperature
  • Distinguish:± 0.01% Coffee TDS
  • Temperature Range: 5 - 45°C
  • Battery: 350mAh (Charging time - 1 hour / Standby for 30 days)
  • Charging: Type-C Charging
  • Waterproof:IP67 (Dustproof / Water Depth 1m)
  • Dimensions: 84*23*14.5mm
  • Weight: 24g

How to use

  1. Drop the liquid into the sampling tank with a dropper
  2. Press the power button to display the sampling results


  • Download Difluid APP to connect through Bluetooth
  • Annalyse data, record etc
  • IP67 waterproof: Using ultrasonic welding technology, the gap can be more closely combined

Worldwide Delivery

You will see the calculated shipping fee at checkout.

Within 7 days from the date of order arrival, you may request a return or exchange for certain products.
For which products are eligible to be returned or exchanged, please see Return & Exchange Policy.
(Only those found faulty upon opening, excluding impersonal factors.)

  • Within 7 days from the date of order arrival
  • Brand new, without used
  • With tags intact in original packaging and condition
  • Except the sale or promotional products
  • Products in bundle set should be returning together.
  • No hydration system can be returned due to hygiene problem.
  • Return shipping cost would be borne by the customer
  • Second delivery fee of the exchanged goods would be borne by the customer
  • We are not responsible if the returned goods are damaged or lost in the transit
  • Shipping costs, import taxes and duties in the order will not be refunded
  • In case of any disputes, Kohikona reserves the right of final decision
  • Unqualified return will be rejected and customers are responsible for the delivery fee

Return Process / Refund Procedure

Please contact us via hello@kohikona.com

[time] minutes ago, from [location]
The cookie settings on this website are set to 'allow all cookies' to give you the very best experience. Please click Accept Cookies to continue to use the site.
DiFluid Coffee Refratometer
You have successfully subscribed!
This email has been registered
Recently Viewed