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DENSITY TUBE
The Density tube provided provides a key to navigate and choose the right sample
profile for each coffee with ease.
See below the steps for recommended density assessment:
1.
Weigh out 100g sample into a dosing cup.
2.
Remove the lid and zero off the empty density tube on a scale.
3.
Place the density tube into a sample coffee tray or shallow dish.
4.
Gently add your weighed-out green sample and overfill the density tube until
excess starts to fall into the tray below.
5.
Invert the lid of the density tube so that the logo side is face down against the
coffee.
6.
Gently press down to compact slightly before moving the lid back and forwards.
Pushing off excess coffee into the below tray.
7.
Continue the movement until a level surface is achieved enabling the lid to sit
flush with the top of the tube.
8.
Remove the lid and weigh the green coffee in the density tube.
9.
This weight is the density number, ready to type into the profiling app.
10.
For higher precision, we recommend repeating this measurement two-three times
and calculating the average number for the app.
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PROFILING APP
The link app is your compass to guide you through the accurate selection of a recommended
start profile for any coffee.
Once you have completed the density assessment open your link app.
Select the profile section, then the new sample entry tab.
Fill out the 3 sections for your profile recommendation.
Density Reading:
Enter the number from your density assessment. Note the density information is drawn from a
0.5g-1g range so don't be alarmed if you are 0.3-0.5g different in each reading.
Process:
Choose from the 7 options which are categorized into broad groups. Please select a group that
best represents the style of processing of that coffee sample.
Variety:
This last input is for the future development of the app. Please type in the sample coffee variety.
This input will allow Nucleus to further refine the profiling algorithm for the future. Currently, this
can be left blank if you wish.
Click Done:
You will now be shown the recommended profile for your sample.
Select this profile on your Link unit via the menu tab.
*Or if using a tethered connection, you can send the profile. Select New Profile in the Link Pro
software profile inbox. Click send to roaster button in the bottom right corner.
Add 100gm of your green coffee sample into the roaster. Secure chaff collector and press play.
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