gpa - Mahlgrad Partikel Analyzer
Best precision tool for coffee enthusiasts perfecting their grind consistency.
This manual sieve system finally takes the guesswork out of dialling in your grinder by letting you visualize exactly what’s happening to your beans. It’s a tedious, analog process that requires patience, but it provides the kind of objective data that turns frustrating trial-and-error into repeatable, professional-grade consistency.
$57.98
at
JoeFrex
Who it's for
- Equipment technicians maintaining high-end grinder performance and alignment
- Coffee scientists and roasters needing precise, data-driven grind analysis
- Baristas striving for perfect, repeatable shot consistency every time
Who should skip it
- Casual home brewers on a budget
- Beginners intimidated by complex coffee science metrics
- Busy professionals needing a fast, streamlined workflow
Performance breakdown
Grind Consistency Analysis
Provides granular data essential for dialing in high-end espresso setups.
Workflow Efficiency
Manual sieving is a deliberate, time-consuming process for daily use.
Build Precision
Laser-cut stainless steel plates ensure reliable, repeatable particle separation.
Calibration Utility
Indispensable for roasters and enthusiasts seeking absolute control over grind distribution.
Ease of Cleaning
Multiple fine-mesh plates require careful attention to prevent residual coffee buildup.
Educational Value
Demystifies the relationship between burr alignment and actual particle output.
Key Specs
Requires approximately 4-7 g of coffee grounds
Includes 8 Nylon rings
Includes 10 Stainless steel plates
Two plates are solid (lid and base)
Eight plates feature precision laser-cut holes
Hole sizes
0.2 / 0.4 / 0.6 / 0.8 / 1.0 / 1.2 / 1.4 / 1.6 [mm]
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