ECM Exacto vs Zerno Z1
Side-by-side specs, source-checked. Prices are manufacturer reference (€).
| Spec | ECM Exacto | Zerno Z1 |
|---|---|---|
| Burr type | Flat | Flat |
| Burr size (mm) | 64 | 64 |
| Burr material | cast steel | — |
| Adjustment | stepless | stepless |
| Single dose | No | Yes |
| Price (€) | $1,232 | $1,307 |
| Motor (rpm) | 1350 | 900 |
| Power (W) | 245 | 300 |
| Retention | low | low |
| Display | touchscreen display with Grind by Weight, Grind by Time and Manual modes; portafilter recognition for up to 3 portafilters | No timer; manual on/off switch with front-facing stepless adjustment collar |
| Weight (kg) | 9.9 | 6.5 |
| Origin | — | United States |
| Released | 2026 | 2024 |
ECM Exacto source · Zerno Z1 source
Specs verified against manufacturer/retailer sources — see our sourcing & methodology. Last checked: Aug 12, 2026. Spot an error?