Acaia Umbra

Name: Acaia Umbra
Brand: Acaia
SKU: AUL001
Author: CoffeeSpecs

Estimated price range

90–200 € ≈ $97–$216

An editorial estimate, not a selling price

CoffeeSpecs does not sell and does not show shop prices: check the price where you buy.

Sheet on the Acaia website →

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Data from official source

Sheet curated by CoffeeSpecs — We check every spec sheet against the manufacturer's own documentation: each value carries its source and the date we read it. Published 17 oct 2026 · Last updated 22 oct 2026

Acaia Umbra is a display-free coffee scale made of water-resistant anodized aluminum. It shares the display of paired Acaia scales: tapping any scale activates its view on the paired device through the Magic Relay function. It can also work on its own through the Acaia apps on a smartphone. It is compatible with the Pearl Model S, Pearl, Lunar and Pyxis. It charges over USB-C and uses Bluetooth Low Energy. The warranty lasts 2 years.

01 · Verified data

Technical specifications

Dimensions 10.5 × 10.5 × 1.5 cm (4.1 × 4.1 × 0.6 in)

Weight 0.3 kg (0.7 lb)

Parameter	Value	Source
Machine dimensions	10.5 × 10.5 × 1.5 cm (4.1 × 4.1 × 0.6 in)	manufacturer website
Weight	0.3 kg (0.7 lb)	manufacturer website
Readability	0.1 g	Compiled by editorial team
Max capacity	1000 g	Compiled by editorial team
Built-in timer	No	Compiled by editorial team
Flow rate measurement	No	Compiled by editorial team
Water resistant	Yes	Compiled by editorial team

02 · Summary

Pros and cons

In favour

With Magic Relay, tapping a paired Acaia scale activates its view on the paired device. source
It is compatible with the Pearl Model S, Pearl, Lunar and Pyxis scales. source
The anodized aluminum body is water-resistant.

Worth knowing

It has no display: reading the measurement requires the screen of a paired scale or a smartphone with the Acaia apps. source
Cleaning requires only a soft cloth with warm water: detergents or other chemicals can damage the anodized coating. source

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