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Established in 1796, A.KRÜSS Optronic has been producing high-precision optical measuring instruments for more than 200 years.


In a nationwide competition held in 2005 the company won an award to become one of Germany's "Top 100" innovative medium-sized companies. As part of our heritage we not only consider it a social obligation to train apprentices in both the technical and commercial sectors but also an essential factor in our long-term innovation process.


Laboratory Equipment




With polarimeters manufactured by A.KRÜSS Optronic you can swiftly analyze the specific components of a solution. In certain areas of application polarimeters can replace other more complicated measuring methods such as HPLC. 

See our Polarimeters




Refractometers are ideal for the fast, simple and precise analysis of the solid contents of a liquid. Within seconds a few drops of a sample are enough to determine the dissolved solid contents.
Areas of application: The food-, sugar-, beverage-, chemical-,
textile-, paper-, metal-processing- and petrochemical industries.

See our Refractometers


Density meter


Digital density meter measures density, specific gravity and concentration of liquid solutions within the range of 0.00000-1.99999 g/cm3. Due to microtechnological setup, the temperature sensor is placed close to the sample and measures the sample temperature directly.



KRÜSS LabGuide: The straightforward software for your lab


To facilitate adherence to regulations like 21 CFR Part 11
Includes management of measuring equipment and laboratory infrastructure
Management of product types
Acquisition of data via ethernet
Storage of data and reporting




High-performance thermostats to ensure temperature control in lab instruments such as polarimeters and refractometers. Easy-to-use and with high temperature accuracy. We offer cooling- and circulating thermostats in addition to compact Peltier versions.


For more information visit the KÜSS website: