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ABER COMPACT In-Line Yeast Monitoring Instruments

Accurately Measure Live Cell Concentrations in Breweries

Automated ‘In-Line Haemocytometry’ = More Consistent Fermentation

Monitor the whole pitch, not just a very small sample.

In-Line Live Yeast Cell ‘Counters’ / Concentration Analysers

Helping brewers make the World’s best Beers and Ciders

More consistent fermentation, Better ABV control, Improved Flavour Profiles

Predictably Great drinks every time!      “Now that really counts!”



In-line & Vessel Mount

Measuring range:

Approx. 0.5 to 70% live spun solids or 20x106 to 5x109 live cells/ml for typical 6 μm cells

Output: Local 3.5” touch-screen HMI  and 4-20mA signal

Temperature: Operating range: 5 to 40°C. CIP: up to 95°C and SIP

Pressure range: up to 10 bar g. Max.

Process connections: DN65 GEA Varivent, 25 mm Ingold. Others on request

Materials in product contact: 1.4404 (316L) s/steel.

Electrical Supply: 24 VDC 15W

Enclosure: IP 65. Case material: Stainless steel

COMPACT 410 by Aber Instruments Ltd - Made in Wales

In-line instruments for continuously measuring the concentration of live yeast cells for a variety of process and quality control applications in the production of beers and ciders.

Applications: Reliable control of yeast within the brewery. Repeatable Fermentation Performance, Greatly Improved Quality & Flavour Consistency and less waste. Applications include:

Operating principle: Live yeast cells can hold a small charge, whereas dead cells do not. The capacitance of yeast solution changes in proportion the population of live yeast cells. By measuring minute changes in the radio frequency capacitance and fluid conductivity the number of live cells in the yeast suspension can be determined in cells/ml or as spun solids.

Install: In-Line and Vessel Mounted instruments with HMI screen. 4-20 mA I-O to a PLC

Memory capacity sufficient to store the calibration characteristics of up to 20 yeast strains

Benefits: Very accurate, Reliable, Long operating life, CIP Cleanable, Virtually no maintenance.

New robust design of Compact 410P is intended for arduous brewery applications. Greatly improved fermentation, better control for more consistent brewing, better beer, less waste, less hassle


Robust In-Line mounted Yeast Monitors with Varivent process connection


Yeast Monitors with various connections, including 25 mm Ingold and others or request. Enabling installation in a number of process locations both In-Line and mounted on to Vessels

Technical Specifications

Compact Yeast Monitor brochure UK.pdf

ABER In-Line

Yeast Monitor


ABER Compact Calibration Training Video (step 1). For more information click >>>

Video & Learning

Introduction to Aber Instruments

Laboratory Yeast Analysers NEW - PerfectPitch Mobile Yeast Control System Set-up & Calibration Training Video