R2 Extract
Coffee concentration meter
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Incredible Precision - Our most precise refractometer yet, at ±0.02%.
Color Display - Capable of displaying more data for more testing options.
Aluminum Sample Dish - 675% better temperature conductivity for an incredibly stable measurement.
IP67 Water Resistant - Test, rinse, repeat. Just that easy.
Microcalibration - Advanced temperature compensation via special Microcalibration layer.
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Apr 9, 2023
Der digitale Kaffee Refraktometer R2 Extract mit Dual Temperaturen Sensoren und Companion App von „DiFluid" kommt in einem kleinen Karton an. Vorweg muss ich sagen, ich hätte nie gedacht, wie genau dieses kleine Gerät messen kann, da muss ich meinen Hut ziehen. Die Abweichungen belaufen sich auf ger... See more
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Mar 2, 2023
The price point of this gadget really throws me off. Its very expensive for what it is! I have been playing around with this for a couple of weeks now and I just feel the whole process is a lot of effort. On a realistic level it's not something I would use day to day for the 'perfect' coffee. I think it's great for someone who owns a c... See more
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Jan 18, 2023
I am a coffee lover and this was the first time for me hearing about Coffee Refractometers. I still have a ways to go in learning the intricacies of making a perfect cup. I didn't know that the science of extraction went all the way down to this level.DiFluid was easy to setup. The paper instructions did not match 100%, particul... See more
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Jun 4, 2023
The R2 is an extremely easy to use TDS Refractometer that produces great accurate results. Get the DiFluid Cafe app to maximize results and help better fine-tune your espresso shots. Enter your dose, yield and time into the app and see if you are getting sour, bitter, weak or strong shots. Great addition to your setup!!!
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Feb 9, 2023
Very impressed with the gift box and the packaging inspirational and very attractive gives you that sense of qualityVery happy with the instruction manual very easy to follow and read you have a quick start guide as well as a more lengthy approach via a QR code which can connect to an app very impressedVery happy... See more
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