DiFluid R2 Extract Refractometer

Sale priceA$324.90 Regular priceA$349.90

Same day dispatchOrders placed before 3pm

Same day dispatchOrders placed before 3pm

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An essential tool for roasters, cuppers, and baristas. The refractometer measures the concentration of dissolved solids in an extraction -- an important parameter for assessing the quality of coffee, as it is closely related to the coffee's strength and flavour profile. The DiFluid R2 Extract offers a precise reading in seconds and has a micro calibration mechanism that enables advanced temperature compensation.

High precision

If you’re aiming for perfection, the R2 Extract comes close. Its CMOS sensor offers results with a .02% precision and .0% accuracy in seconds. This refractometer also has a micro calibration layer for temperature compensation. To further stabilise the readings, the sample dish is made with aluminium which has better temperature conductivity.

Compact form

As far as handheld refractometers go, the DiFluid R2 Extract has the sleekest form. Capless and compact, it feels nice in the hands. Plus it has an ultra-clear HD screen to remove the struggle of reading the results. Di-Fluid Cafe App The DiFluid R2 Extract connects with the DiFluid Cafe app which allows you to upload and share your readings and recipes. The app also gives you a closer look at your results so you can study them to achieve the perfect cup.

DiFluid R2 Extract Refractometer Features

Microcalibration - Microclabiration layer for temperature compensation.

High precision - Results have a 02% precision and .0% accuracy/ Fast results - Produces a reading in seconds.

Easy to calibrate - Recalibrates with a push of a button. Water-resistant - IP67 water resistant.

More accurate temperature measurement - The aluminium sample dish has better temperature conductivity which allows more accurate measurement.

Compact, capless design - Sleek, one-button, clear display design.

HD display - The easy-to-read HD display shows all the readings (refractive index, temperature, concentration) and the tool’s status (battery level, connectivity)

DiFluid Cafe App - Connects with the DiFluid Cafe App so you can share results, data, and recipes.

Rechargeable - Non-removable 430mAh Li-Ion battery

This product includes:

  • 1 x DiFluid R2 Extract Refractometer
  • Coffee Spoon
  • Protective Pouch
  • UBC-C Cable

The Specifics


0-30% TDS







Operating Temperature



430mAh Li-Ion battery


(H) 16mm x (W) 36mm x (L) 88mm 

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Alternative Brewing Shipping Times

* Rural and remote areas may attract longer shipping times but we make every effort to ensure we provide the fastest delivery times possible.

* Please note bulky/heavy orders to rural, remote & offshore areas may attract additional delivery fees.

Orders placed before 3pm AEST each day will be dispatched on the same day, Monday to Friday, excluding public holidays and weekends.

Delivery times above are estimates only. Delivery times apply from the date of dispatch, not the date orders are received and refer to business days not calendar days. We make every attempt to ensure all deliveries arrive within the estimated time frames above however sometimes events occur that are out of our control. If your order is more than 2 business days late based on the above guidelines please contact us and provide your name, order number and date of order.

International Shipping Terms and Conditions – Customs & Duty Charges

International orders may be subject to local charges. Any customs or import duties and associated fees are charged once the parcel reaches its destination country. These charges must be paid by the recipient of the parcel. We have no control over these charges and cannot predict what they may be. Alternative Brewing cannot be held responsible for any additional charges on your order, nor can we accept a return of the order in this case. Customs policies vary widely from country to country, so please contact your local customs office for further information. If you refuse to pay these charges your parcel may be abandoned, and Alternative Brewing will not be held responsible for any loss of funds as a result of this occurrence. We cannot mark International orders as a gift in order to bypass or reduce any customs fees.

Authority to Leave Terms and Conditions 

By ticking the Authority to Leave box at the checkout page on the website when placing an order, Alternative Brewing’s agent/delivery partner will leave your parcel at your unattended premises in accordance with your instructions.

By providing Authority to Leave you agree that the parcel is deemed to have been received when left at your premises.

Alternative Brewing, and its agents/delivery partners associated with the delivery of your parcel, do not accept responsibility for any loss or damage that may result from you providing Authority to Leave for your delivery. You agree to release Alternative Brewing from and against any and all claims, demands, liabilities, losses, costs and expenses, including financial and other consequential losses, made, suffered or incurred by you or any other person or entity as a result of your election to choose Authority to Leave for your delivery.

If you do not provide Alternative Brewing Authority to Leave for your delivery, you will have to be at your premises in order for the delivery to occur.

Freight Protection 

We strive to ensure that your delivery arrives safely to you, but we understand that sometimes accidents happen outside of our control.  

By selecting Alternative Brewing's Freight Protection you will receive a priority customer support and priority replacement of your product if it arrives damaged. You will be able to add this option to your order in checkout. 

What does Freight Protection offer?

1 - Priority Customer Service – as soon as you contact our team to submit your Freight Protection claim, you will be placed into a priority queue to ensure your claim is processed as quickly as possible.

2 - Advanced Shipping – to minimise downtime without your product, once we have assessed your claim we will ship a replacement to you before we have received the damaged goods back.

Making a Freight Protection Claim

  • To assess your claim, you will be required to provide photo and/or video evidence of the damaged product. 
  • All Freight Protections claims must be made within 3 business days of receiving your product.
  • Freight Protection does not apply to damaged packaging and only applies to the product itself.
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