Nucleus Link Coffee Roaster

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The ultimate portable coffee roaster. Nucleus designed the Link to bring efficiency and precision into your workflow whether you are a green coffee buyer or a small batch roaster. The Nucleus Link allows you to fine-tune every aspect of your roast to match your exact specifications regardless of your location or process, thanks to its real-time data monitoring and roast control.

This portable roaster is ideal for roasting samples on the spot, allowing green coffee buyers to evaluate their acquisitions at their origin.

Precision roasting

The Nucleus Link guarantees a perfect roast no matter the conditions. You can take it to the farm and have it perform as splendidly as your trusty old roaster back in the roastery. The Link gives you full control of the roasting process with its Altitude Calibration, extensive roasting profile system developed by Sam Corra, customisable roasting profile, Density Roast Prediction, DTR override, and variable batch size.

Improved heating technology

Nucleus’ new innovative heating system heats the coffee beans from the inside out, allowing for a higher rate of heat and desired momentum in the roast profile. This way, you can start from ambient temperature to reduce unpleasant "gassy" qualities and bring out the freshest flavours of your beans.

A Portable Roaster 

The robust construction of the Nucleus Link makes it hardy enough for travel. Plus it comes with a shock-proof and waterproof case that makes sure your portable roaster arrives at your destination in perfect condition. The kit also includes a dosing cup, density tube, and coffee tray provided so you can get right to work.

Nucleus Link Coffee Roaster Features

Altitude calibration - Adjustable fan speed for consistent profiling at any altitude. Emulate roasting at sea level with the calibration mode in the LINK app.

Complete profile system - Developed by renowned expert Sam Corra. Access 205 globally performing profiles for filter and cupping, categorised into 5 inboxes with 41 core profiles each that vary in development percentage and roast curve.

Personalised roasting profile - A 6th inbox is included in the system for your custom roast profiles. All are accessible through the LINK app.

Density roast prediction - By analysing your green coffee's data points, the Link can recommend the most suitable profile for your sample.

Advanced dial-in - After the initial roast, you can refine your process by customising the profile selection through the LINK app.

DTR override system (Development Percentage, Time of Roast, and Roast Degree) - Adjust termination at the exact development percentage and temperature increase range to take complete control over your roast's outcome.

Variable Batch size - Customize your batch size from 50g to 100g in 1g increments.

Improved heating technology - Nucleus’ innovative heating system heats coffee from the inside out for a higher rate of heat that lets you achieve your desired momentum in the roast profile.

Travel-ready - The Nucelus Link comes with a shock-absorbent and waterproof travel case, dosing cup, density tube, and coffee tray.

Custom app - Connect our Nucleus portable roaster to the LINK app to keep track of your roasting history, profiles, and performance analysis.

This product includes:

  • 1 x Nucleus Link Coffee Roaster
  • 1 x Travel case
  • 1 x Dosing cup
  • 1 x Density tube
  • 1 x Coffee tray



Powder-coated steel, Nylon PA66, aluminium

Batch Capacity

90 -120g green beans | 100g once roasted.

Power Supply

220-240V AC - CE Certification. 


Brushless DC 60W

Roast Time (typically)

10 minutes


(W) 125 mm (D) 125 mm (H) 280 mm of base unit; 

Height with chaff collector 430mm. 






1400W / 220-240V

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* 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 orders to rural, remote & offshore areas in excess of 25kg 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.

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.

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