COMPACT Yeast Monitor

The correct amount of yeast during pitching is an important factor in the production of qualitatively consistent beer and predictable, regular fermentations.


The COMPACT represents the third generation of Aber Instrument’s successful Yeast Monitors. Since the introduction of the first model in 1991, breweries all over the world rely on the system for their yeast management. Even large brewery groups like AB InBev, Heineken, Suntory and Diageo were able to achieve much more consistent fermentation curves by using the Yeast Monitor.

By creating an electric field over the membrane of the yeast cells, the Yeast Monitor creates a capacitance signal, which can easily be converted to known units like % spun solids or cells per milliliter. The Yeast Monitor only count intact and thus fermentable yeast cells.


The probe can be installed directly in the pitching or recirculation line. The V350 touch-screen unit evaluates the measurements, enables connection to a PLC system and can store up to 20 different yeast strains. The connection can be chosen from either analogous 4-20 mA output or Profibus.


Best processing, platinum electrodes and a stainless-steel housing guarantee a long instrument life time and simple, hygienic cleaning.

Technical Service

During our business hours, our free telephone support will be glad to assist you in case of any questions. Our Technicians take care of the delivery and installation of original spare parts of the highest quality as well as certified testing, measuring, and control equipment. Our maintenance according to manufacturer specifications includes functional tests, cleaning, accuracy testing with calibration as well as a detailed report. In addition, our maintenance contracts protect your investments and reduce the total cost of ownership.

Detailed information about our support options can be found here.

Aber Instruments

ABER, based out of the UK, with an expanding 60 strong technical team pioneered the use of dielectric spectroscopy for the bioprocess and brewing industries over 30 years ago. The company’s reputation as the ‘trusted’ provider and market leader, comes from this in-depth and extensive knowledge gained through invention and innovation. ABER always prides itself in going above and beyond in customer service & support. ABER’s Dielectric spectroscopy technology, also referred to as bio-capacitance, is used successfully in the bioprocess industry to measure cell density in bioreactors.

More about ABER Instruments: www.aberinstruments.com


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125 employees
10 locations in europe
31 years of experience