Eureka
Eureka Mignon Libra On Demand Coffee Grinder 230V - Black & Chrome
Best precision grinder for home baristas seeking consistent, waste-free espresso shots.
Elevate your coffee ritual with the Eureka Mignon Libra On Demand Grinder. This grinder integrates precision weighing technology for unparalleled consistency, minimizing waste for both home baristas and small cafes. Its intuitive touch display allows for easy programming of single or double shots, and the adjustable fork supports hands-free operation. Experience infinite grind control with Stepless Micrometric Adjustment, significantly quieter operation thanks to Silent Technology, and cleaner grounds with the ACE System that combats clumping and static. Perfect for achieving cafe-quality espresso at home.
$464.10
Owner Satisfaction
4.7
/ 5
Category Rank
31
/ 993
#31 in Coffee Grinders
Price vs Category Average
-24%
Below average
Brand
Eureka
/ Eureka
Who it's for
- Home baristas seeking effortless, precise, and consistent espresso dosing
- Espresso enthusiasts demanding professional-grade grind quality and fine-tuned control
- Apartment dwellers needing a quiet, space-saving, and high-performance grinder
Who should skip it
- Users with unstable surfaces or busy, vibration-prone kitchen environments
- Budget-conscious shoppers prioritizing value over advanced automated weighing features
- High-volume users requiring rapid, commercial-speed grinding for multiple drinks
Performance breakdown
Dosing Precision
Integrated weighing technology eliminates guesswork for perfectly consistent espresso shots every time.
Grind Adjustment
Stepless micrometric dial offers infinite control for dialing in tricky beans.
Acoustic Performance
Silent technology makes this one of the quietest grinders on the market.
Workflow Efficiency
Hands-free operation and intuitive touch controls streamline your morning coffee ritual.
Clump Management
The ACE system effectively neutralizes static and prevents messy, uneven grounds.
Build Robustness
Compact, heavy-duty construction provides professional-grade stability on any kitchen counter.
Key Specs
Brand
Eureka
Type
On-demand grinder
Hopper Capacity
300g (approx. 10.58 oz)
Burrs
55mm flat hardened steel
Grinding Speed
1.2–1.8 g/s
Daily Output
1.5kg
RPM
1,350
Power
310W
Features
- Integrated weighing for precise dosing
- Stepless micrometric adjustment for infinite control
- Significantly quieter operation
- Intuitive touch screen interface
- Hands-free operation support
- Anti-clumping and anti-static system
- On-demand grinding
- Consistent, high-quality grounds
What customers say
The Eureka Mignon Libra earns high praise primarily for its exceptional Grind by Weight technology, which significantly streamlines the espresso workflow. Users consistently report outstanding dosing accuracy and consistency, effectively removing the need for external scales and minimizing coffee waste. The robust, high quality construction reinforces a feeling of premium durability. While the initial calibration requires patience, the stepless adjustment allows for precise dialing in. Despite the premium investment, the consensus is that the Libra delivers transformative, weight based grinding precision, making it a top tier choice for serious home baristas prioritizing consistency and workflow automation.
Know before you buy
The Libra features a built-in scale that grinds by weight rather than time. This ensures you get the exact dose you need every time, eliminating the need to manually weigh your portafilter before and after grinding.
This grinder is specifically engineered for espresso. While it offers stepless adjustment, its 55mm flat burrs and internal geometry are optimized for the fine grind size required for espresso, rather than coarser settings like French press or pour-over.
Yes, the Anti-Clump and Electrostatic (ACE) system is highly effective at neutralizing the static charge that causes grounds to fly or clump. It results in a much cleaner grinding process and more uniform distribution in your portafilter.
The Libra utilizes Eureka’s signature Silent Technology, which significantly dampens the noise produced by the motor and burrs. It is noticeably quieter than many other professional-grade grinders, making it ideal for home kitchens where you don't want to wake the house.
The Libra is designed for on-demand grinding, but it is best suited for users who stick to one or two bean types at a time. Because it uses a stepless micrometric adjustment dial, you can make precise changes, but it is not intended for frequent, drastic shifts between vastly different roast profiles.
Unlike grinders with fixed 'clicks' or steps, the stepless system allows for infinite, granular control over your grind size. This is essential for espresso, as it lets you dial in the perfect extraction time by making tiny, precise adjustments that aren't possible with stepped systems.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$464