Eureka Mignon Libra Grind By Weight Coffee Grinder
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Vendor:
Eureka
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Type:
Domestic Coffee Grinders
About the Product
One of the newest additions to Eureka's range of Mignon grinders - the LIBRA boasts inbuilt weighing technology for extreme precision, reducing waste and improving coffee flavour. Perfect for home users and small commercial outlets.
We received a pre-release version here at Clumsy Goat Coffee for us to test prior to its launch in the UK and we've been really impressed. The Grind By Weight system is a feature normally found on much more expensive grinders, such as the Mahlkonig E65 GBW, which retail around £2,000.
You can expect a grinder that's very easy to dial in, with impressive grind consistency, quiet operation, less coffee waste and strong reliability.
Key Features:
Extreme Precision - With a dose consistency of 0.1 - 0.15g, you can achieve optimum in-cup results and minimise coffee waste.
Intuitive Touch Display - Easily set the quantity for single and double shot; grind by weight, even in continuous mode; switch from single to double (and visaverse) during the grinding process without any coffee waste.
Inbuilt Scale - Be able to weigh the ground coffee into the filterholder while grinding.
Hands-Free Operation - Adjustable in height and compatible with any type of filter holder (including naked).
Stepless Micrometric Regulation System - This ensures incomparable precision and grinding performance with infinite adjustment points.
Ace System - Anti-Clumps & Electrostaticity system prevents clumps from developing and eliminates the electrostatic charge of ground coffee, ensuring incomparable cleanliness and dose consistency.
Silent Technology - A marked reduction in the grinding noise compared to comparable grinders.
Specifications:
- Brand: Eureka 1920
- Type: On-demand
- Hopper Size: 300g
- Available colours: Black, White & Chrome
- Burrs Type: Flat Hardened Steel
- Burrs Size: 55mm
- Output (Daily): 1.5kg
- Output (g/s): 1.2 - 1.8
- Display: Yes (Touch)
- Dose Counter: Yes
- Engine Traction: Direct
- RPM: 1,350
- Power Absorbed: 310w
- Dimensions (mm): H: 430 x W: 124 x D: 192
- Weight: 5.6kg
Please note that our usual 10% discount code (CG10) is sadly not valid for this particular model. We apologise for any inconvenience caused.
Please also note that the dosing funnel shown in the video above is not included as standard, however we do stock them and they are available for purchase in the related products above, subject to availability.
Heard a lot of good reviews about this grinder. So ordered one for myself.
But I have to admit the Libra grinder delivered to me has a faulty scale. Does not dispense a correct quantity even after several attempts to recalibrate as per Eureka suggestions.
Currently checking with Clumsy Goat team to sort this out.
So far haven't heard back what happens next.
Very happy with the machine, grinds fast and quiet but no dosing funnel was in the box which I was expecting to be in the box.
The Eureka Mignon Libra takes all the fuss out of grinding coffee, this is as convenient as you get, it makes you feel like you’re preparing coffee in a coffee shop. It took 3 or 4 cups to find my setting and now the grinding process has been reduced to 10 seconds. Consistent weights and grind size means you set it and forget about it. I love it. Does it help that it looks fantastic?
I wanted a grind by weight grinder that didn’t break the bank. Absolutely love it! Coffees are more consistent and better tasting, partners with my niche giving me the ultimate setup. Clumsy Goat delivery was great and responsive.
I ordered the Libra as Grind by weight was exactly what I was looking for. The quality of the grind from the flat burrs is excellent and the weight is often within 1/10th gram.
I was a little disappointed that the ‘LIBRA’ logo was faulty as the letter I was missing. After a little to-ing and fro-ing with the retailer we settled the problem with a transfer for me to replace the logo myself and a few extras by means of an apology. Had there not been this small issue I would have gladly rated the Libra with 10/10
(BTW the offer was there for the grinder to be returned for repair but I chose not to as I needed the machine).

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Great Pricing
We offer great pricing on Eureka and the rest of our home brewing range, so you can be sure you’re getting the best value.
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Quality Equipment
All of our home equipment is carefully selected from the industry’s most respected manufacturers.
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Wide Range
We have thousands of coffee-related products in stock and offer expert advice before and after purchase.
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Right When You Need It
We keep Eureka well-stocked and ready to ship, so you get what you need, when you need it.
Dial In with Accuracy, Grind by Weight
The Eureka Mignon Libra delivers the precision of commercial grinders like the Mahlkönig E65 GBW—at a fraction of the size and price. With real-time grind-by-weight functionality, it’s engineered to give baristas at home or in small cafés complete control over every dose.
Unlike timer-based grinders that require frequent recalibration, the Libra weighs each dose as it grinds, ensuring incredible consistency and less coffee waste. You’ll never need to weigh your portafilter before and after again—it’s all built into the machine.
With its smooth touchscreen interface, stepless grind control, and whisper-quiet motor, the Libra combines high-tech performance with everyday usability. It’s everything you need for repeatable, flavour-focused results.
Grind Quality, Simplified
With the Mignon Libra, Eureka has blended high-end grind performance with simplicity and convenience. At its heart is a 55mm flat burr set, delivering exceptional uniformity for espresso, and the ability to adjust grind size with near-infinite precision.
The touchscreen makes it easy to toggle between single and double shots, while the grind-by-weight system ensures you’re never left with a soggy, over-packed puck or an underfilled basket. You get the exact dose you need—every time.
It’s a grinder designed not just to perform, but to perform simply. No noisy motors, no complex calibration—just reliable, repeatable results in a sleek package.
Frequently Asked Questions
If you have any other queries please don't hesitate to get in touch, we'll be happy to help!
How long do orders take to arrive?
We offer both Standard delivery (2–3 working days) and Next Working Day delivery at checkout. Our cut-off time for Next Working Day delivery is 2pm, Monday to Friday. Orders placed after the cut-off will be dispatched on the next working day.
Selected commercial catering equipment and commercial coffee machines may take slightly longer; this will be shown at checkout if applicable.
How much does delivery cost?
Standard delivery (2–3 working days) is FREE for UK orders over £100 + VAT, or just £4.99 + VAT if you spend less than that.
Next Working Day delivery is available for £7.99 + VAT.
Which courier will deliver my order?
We work with a range of trusted couriers, and the one we use for your order may vary depending on your location and the size of your parcel. Typically, smaller items are shipped via Royal Mail or Amazon Shipping. For larger, wholesale or international orders, we generally use Parcelforce, APC, FedEx and Amazon Shipping. Freight orders and palletised deliveries are typically sent via the pallet network.
If you'd like to know which courier will be handling your delivery, feel free to get in touch — we’ll be happy to let you know. Prefer a particular courier? Just send us an email or give us a call, and we’ll do our best to accommodate your request.
Do you accept returns?
Yes, we do! Our policy lasts 30 days. We just ask that your order is unused and in the same condition in which you received it. It must also be in the original packaging. Please note that commercial catering equipment is subject to different terms due to its special-order nature, so we kindly ask that you review our full returns policy on the checkout page for details regarding the catering range.
Which payment methods do you accept?
We accept most major credit and debit cards through our SSL-secure, 100% PCI-compliant checkout pages. You may also pay using express payment providers such as PayPal Express, Apple Pay, and Google Pay. Please note, however, that Amex, Apple Pay, and Google Pay are not available at checkout for larger baskets. We apologise for any inconvenience caused.
Do you offer any wholesale services?
We do. If you'd like to order our coffee for your business, please get in touch — we’d be happy to hear from you.
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Let customers speak for us
from 1638 reviewsIf you're buying one of these then you are serious about your coffee & will have done your research. The Eureka Mignon Zero Low Retention Home Coffee Grinder - Black is so stylish & is built like an Accrington Nori Brick (spell backwards). My only criticism is the instructions are minimal so initial set up was a bit frustrating.
Solid build, amazing colours, best grind ever!
If you enjoy elderflower, you’ll love this. It pairs beautifully with matcha.
Clumsy Goat are brilliant at what they do — sourcing high-quality brands and products for all your home crafting needs.
Exactly what I was looking for and easy to order from Clumsy Goat coffee. Fast delivery. It's delicious and very festive.
Well made kettle and delivered very promptly.
I'm a beginner to proper espresso machines but after a few tries it all came together. I'd previously used a few different bean to cup machines but the La Pavoni machine paired with the grinder has changed how I make coffee and added to the whole taste and the experience. The people at Clumsy Goat were helpful and understanding - I am very grateful to them.
Love waking up to Clumsy Goat coffee beans
I have tried many beans and wasted a lot of money
For the quality of beans the price is belting this review is about all Clumsy Goat beans
I love this product, great taste and not as sweet as most which is a big bonus for me….
I highly recommend lumpy Goat Coffee. They have excellent communication skills and kept me informed about my delivery by email every step of the way. Delivery was prompt. The coffee machine I ordered was very well packaged and protected during the delivery process and arrived at the time and date I was given. I will not hesitant to buy from Clumsy Goat Coffee again.
Thank you for your excellent service.
I recently ordered some Brazilian Super Crema coffee beans from clumsy goat and it was lovely I will definitely order again
We love this coffee in the office and at home. Great service and quick delivery.
Mahlkönig Vario Home Grinder Hopper Complete
It’s a good little grinder, taking up minimal space, very quiet and consistent. The adjustments work well and the result is excellent.
Such a good syrup, I add it into my coffees, hot chocolates and cokes and it tastes excellent and has a proper banana taste. Thank you!
We are thrilled with these grinders - it’s our 3rd one! We use them as our second grinder in our bars for decaf, single origins and other speciality coffees. They also look totally cool.

























































































































