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Mignon Libra grinds by weight, not by time: the patented Instant Grind Weighing Technology relies on a factory-calibrated integrated weighing system that stops the grind once the coffee in the cup reaches the set weight. It starts from the display, and it's built for espresso, with a dose consistency within 0.2 g.
The 55 mm flat hardened-steel burrs share the stepless, micrometric adjustment of the rest of the Mignon range: the lower burr moves, for exceptional dialling-in precision. The touch display programs two doses plus a continuous mode, and an anti-clump, anti-static system controls how the grounds fall during dispensing, which here is timed by the internal scale rather than by the clock.
It's a tall, heavy body, making room for the weighing assembly under the spout. The hopper holds 300 g, with a 510 g version available as an option. It's for anyone who wants a repeatable dose by weight without pairing the grinder with a separate scale; anyone also grinding for filter, or happy to work by time, will find a more direct answer in the Perfetto or the Silenzio 55.
| Parameter | Value | Source |
|---|---|---|
| Machine dimensions | 12.4 × 19.3 × 39 cm (4.9 × 7.6 × 15.4 in) | manufacturer website |
| Weight | 6.5 kg (14.3 lb) | manufacturer website |
| Power supply | 220-240 V / 50-60 Hz / 310 W | manufacturer website |
| Burr type | Flat | Declared by the brand |
| Burr diameter | 55 mm | Declared by the brand |
| Single dose | No | Declared by the brand |
| Supported brew methods | Espresso | Declared by the brand |
| Adjustment type | Stepless | Declared by the brand |
| Burr material | Hardened steel | Declared by the brand |
| Drive | Electric | Declared by the brand |
| Motor speed | 1350 rpm | Declared by the brand |
| Hopper capacity | 300 g | Declared by the brand |
Chosen from the brew methods the manufacturer declares it covers, not from the category.
Seven grams, twenty-five seconds, twenty-five millilitres: Italian espresso has a written specification, and this is it.
The same dose as an espresso, less water in the cup. No institutional source fixes its volume — so here you will only find what is documented.
25 ml of espresso and 100 ml of steamed milk, in a 150–160 ml cup. The cappuccino has a specification too.
An espresso and a stain of milk. How much milk, exactly? No source declares it — and we do not invent it.
An espresso lengthened with hot water. The amount of water is set by no standard: it changes from country to country and from bar to bar.
Double espresso, sugar syrup and ice in a shaker. It has no specification: it has a house recipe.
