CASY®
Yeast and Fermentation Under Control


When it goes into the fermentation tank, a brewery needs

reliability, precision and speed

— and that is what CASY delivers.



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Top-fermenting or bottom-fermenting, from pitching to the bottle:
full control over yeast and fermentation.

  • Determine yeast count, cell viability, size distribution and, where needed, aggregation in seconds.
  • The precise measuring system captures every quality-relevant parameter without tedious staining procedures.
  • Simple: load the sample, measure, done.
  • Running costs? Minimal.
  • Reliable quality control for your yeast and your fermentation process.

Reliable quality control for every yeast and the fermentation process

With CASY, nothing escapes you.

A single 25-second measurement gives you

• Cell concentration

• Cell viability

• Cell volume

• Cell size distribution

• Cell aggregation

• Cell debris

• Biomass

In short: every parameter for thorough quality control of your

yeast, so the fermentation process runs the way it should.



Brewery results quality
Every parameter you need to judge quality, at a glance

Brewery results quality graph
Measuring freely suspended yeast with CASY: viable cells, cell debris and cell aggregates in one view

From pitching to the bottle

• CASY monitors the entire fermentation process.

• No [toxic] stains needed.

• Robust and proven: calibrated for life at the factory, in reliable use for many years.

• Statistically meaningful: more than 4,000 cells are measured.

• Reproducibility across instruments, operators and even laboratories keeps your processes standardised.

We keep it simple for you.

• CASY arrives configured for your yeast strains.

• Support for setting up further strains or applications.

• One-button operation: insert the sample. Start the measurement. Done.

Take a look at CASY

Arrange a consultation and try CASY in your own laboratory:


Request a Free Demo

Brewmasters have counted on CASY
for more than 20 years.


CASY Cell Counter Lifespan
CASY Cell Counter through the years