Hario Coffee Scale Polaris

Brew your coffee exactly according to your favourite recipe, with the Coffee Scale Polaris!

The Polaris is a smart coffee scale capable of calculating the coffee extraction ratio and visualizing the extraction progress. The innovative built-in ratio function automatically displays how far along you are in your brew. Easily adjust your ratio to try new brews, or recreate your favourite ones in no-time.

Learn more about the Polaris!

MANUAL (PDF)