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The R3 Master is designed to take up minimal space without compromising performance. It’s the perfect machine for micro-roasteries looking to upgrade to professional production in limited space.
Axle-free drum
By removing the through axle, we reduce direct heat conduction. This eliminates the risk of scorching and ensures uniform roasting, no matter how aggressive your profile is.
Advanced PID control
With full PID control and Smart Curves, you can save your best profiles and replicate them precisely every time. It’s your guarantee of consistency, batch after batch.
Hyper-speed cooling
The workflow doesn’t stop at "drop." Our cooling system brings the beans to room temperature in under 5 minutes, instantly stopping the roasting process and locking in the aromas.
Professional capacity
With a batch size of up to 3.5 kg, you can roast 12–16 kg of coffee per hour. The R3 Master is designed to deliver results that can compete with large industrial roasters.
Santoker R3 Master – The ultra-slim powerhouse for micro-roasteries
Santoker R3 is made for those who want to take the step from hobby to professional production without compromising on space or precision. With its Ultra-slim body design, the machine is optimized to take up minimal space while delivering performance usually reserved for large industrial roasters.
Technological superiority in every bean
The R3 series redefines the standard for micro-roasting through innovative technology that ensures an exceptionally clean flavor profile:
Axle-free drum: By removing the through axle, direct conductive heat is significantly reduced during roasting.
Prevention of roasting defects: The axle-free design effectively prevents defects such as unilateral scorching and double-sided burning.
Thermal air pre-mixing: Integrated "thermal airflow pre-mixing" technology improves heat transfer efficiency through optimized circulation.
250°C High-energy hot air: The powerful hot air system reaches up to 250°C, ensuring even roasting, deep bean ripeness, and optimal aroma development.
Stable operation: A newly designed insulation layer with anti-interference properties ensures the machine runs stably regardless of external temperature fluctuations.
Intelligent control with Smart Curves
No matter your workflow, the R3 gives you the tools for total consistency through advanced digital features:
Smart Curves: The system supports custom curves, allowing you to copy your most successful roast profiles.
Permanent storage: Your optimized profiles can be saved permanently and reused with a single click, ensuring each batch tastes exactly like the last.
Hyper-speed cooling: After roasting, the beans finish cooling in just 2-5 minutes.
Flavor Lock: The lightning-fast cooling process immediately stops development and locks in the volatile flavor and aroma compounds in the bean.
Comparison of R3 models
Capacity
0.5 – 3.5 kg (Applies to all models)
Roaster type
Touchscreen & Master: Semi-hot air
M Turbo & M GT: Full hot air
Heat source
Touchscreen & Master: Electric/Gas hybrid
M Turbo: Pure Electric
M GT: Electric/Gas hybrid
Automation
Touchscreen: Digital assistance
Master, M Turbo & M GT: Full (PID)
Auto Loading
Touchscreen: No
Master, M Turbo & M GT: Yes
Technical Specifications
Batch capacity
0.5 – 3.5 kg per batch (approx. 12–16 kg/hour)
Drum design
Axle-free, double-walled cast iron alloy
Heating technology
250°C hot air with thermal premixing
Cooling speed
Hyper-speed cooling (2-5 minutes) with "Flavor Lock"
Design
Ultra-slim space-saving cabinet
Control
Smart Curves with profile copying and full PID control
Materials
316 stainless steel, quartz glass, and elegant wood details
Investment and delivery at BloomVik
As your dedicated partner, we ensure your transition to professional production is seamless. We offer video startup training and ongoing support so you feel confident with the machine from day one. With a 1-year warranty and 2 years of consumer rights, your investment is protected while you focus on creating unique coffee experiences.
Take control of your production. Contact BloomVik today for a conversation about how the Santoker R3 can elevate your micro-roastery to new heights.
Master 3.0: AI precision and data-driven perfection
The Santoker App Master 3.0 is not just an interface; it is your intelligent assistant that removes guesswork from the roasting process. The system gives you total control through three core technologies:
AI Curve Prediction: Simulates the entire process and calculates the optimal Rate of Rise (RoR) with mathematical precision before the beans hit the drum.
AI Image Recognition: Optical analysis detects microscopic color nuances in real time, ensuring perfect caramelization and eliminating human error.
Intelligent Atmosphere Control: Digital sensors automatically compensate for humidity and barometric pressure, delivering consistent roasting results regardless of the weather.
Scalability & Integration: Log all parameters via cloud technology, seamlessly transfer profiles from 500g to 120kg machines, and maintain full compatibility with Artisan software and Excel export.
The Story of Santoker: Engineering Behind Every Flame
The name Santoker (三豆客 – San Dou Ke) represents the balance between the three founders (San), the potential of the beans (Dou), and you as a guest/partner (Ke).
In 2012, two aerospace engineers and a nuclear engineer left their careers to solve one challenge: How to bring the precision of aviation into the world of coffee? The result is machines built with an accuracy that has made them a staple at the World Coffee Roasting Competition.
Become a master of your own roasting
A Santoker is a powerful tool, and we help you master it. Learn how to optimize your batch size, adjust RPM, and hit the perfect charge temperature in our exclusive technical guides.
