Coffeeholic
Precision GS30

Precision GS30

Electric grinder Range 0–14
Grind range
0–1170 µm
Per click
≈83.57 µm
Adjustment
14 clicks
Brew methods
8

At its coarsest it reaches about 1170 µm, so French Press and Cold Brew sit partly beyond its range.

Precision official site ↗

Export:
Precision GS30
grind size chart
Clicks from zero
0 2 4 6 8 10 12 14
0 200 400 600 800 1000 1200 1400µm
Extra fine Fine Medium-fine Medium Medium-coarse Coarse Extra coarse

Settings by brew method

Brew method Grind descriptor Grind size Clicks
Espresso Fine 200–300 µm 0-1
Moka Pot Fine-medium 300–400 µm 2-5
AeroPress Medium-fine 400–700 µm 2-8
Pour Over (V60) Medium-fine 450–650 µm 3-5
Siphon Medium 500–700 µm 2-6
Drip / Batch Medium 600–800 µm 1-8
French Press Coarse 900–1200 µm 6-12
Cold Brew Extra coarse 1000–1400 µm 7-14

About the Precision GS30

The Precision GS30 is an electric grinder with stepped adjustment. At its coarsest it reaches about 1170 µm, so French Press and Cold Brew sit partly beyond its range. Each click moves the grind by roughly 83.57 µm.

Precision GS30 — frequently asked questions

Is the Precision GS30 a manual or electric grinder?

The Precision GS30 is an electric grinder.

What grind setting should I use for Espresso on the Precision GS30?

For espresso on the Precision GS30, start around 0-1 clicks — roughly 200–300 µm — then adjust to taste.

How much does each click change the grind on the Precision GS30?

Each click on the Precision GS30 changes the grind by about 83.57 microns, so you can dial in small steps.

What grind sizes can the Precision GS30 produce?

The Precision GS30 grinds from about 0 to 1170 µm, covering 8 of the brew methods we chart.

Can I copy grind settings from another grinder to the Precision GS30?

Not directly — every grinder's scale is arbitrary, so a number that works on one model won't match the Precision GS30. Match the micron range instead, using the chart above.