30-day<br>hassle-free returns

30-day
hassle-free returns

Worldwide shipping

Worldwide shipping

Human support<br>Not AI

Human support
Not AI

Award-winning design

Award-winning design

Fast, easy, at home calibration

Fast, easy, at home calibration

30-day hassle-free returns • Worldwide shipping • Human support, not AI • Award-winning design • Fast, easy, at home calibration

The Particle Analysis Coaster enables relatively precise grind data and roast insights, using CoffeeOS.


  • High-Precision Recognition: Advanced aberration calibration ensures accuracy in every measurement.
  • Flexible Sieve Options: Use custom sieve stacks from 63–2500 µm, supporting both ASTM and ISO standards.
  • Offline & Connected: Works without internet, and automatically syncs with CoffeeOS when online.
  • Data History: Save and review particle analysis over time with a free CoffeeOS account.
  • Omni Compatibility: The Particle Analyzer also integrates with the DiFluid Omni, expanding roast color and grind analysis in one ecosystem.
  • Durable & Dual-Use: Built from silicone, it also functions as an insulation pad for the Microbalance.
  • Free to Use: No subscriptions required — full access out of the box.

Download CoffeeOS: Download on the App Store Get it on Google Play

Join the community on Discord or Reddit to share insights and feedback with other CoffeeOS users.

$42.65

Or print your own for free!

Set your printer to “actual size” and enable marginless printing to ensure a 104 mm diameter.