Precision Instruments "Made in Germany"

Your equipment should always have state-of-the-art standard and you have high quality standards for your products. In this case we are your successful address. Our products and services always convinced with the best performance, forward-looking applications and consistent device quality.

All products


Innovative and high quality measuring technology

You appreciate measuring instruments that work with the highest efficiency and offer forward-looking functionalities, reliable measuring accuracy and allow the smoothest applications. Our refractometers, polarimeters, density meters, flame photometers offer intuitive user interfaces, advanced data management, intelligent user management and novel measurement documentation.

Product overview


Refractometers - Benefit from expert experience

Refractometer - You are looking for the ideal solution for your individual requirements. Take advantage of our capital experience, we are the experts for digital refractometers, abbe refractometers, digital and manual hand refractometers and process refractometers. Your advantage: High-level products with the highest precision.

Digital refractometers of the DR6000-series


Flame photometers - Worldwide unique

You would like to enter a new level in the concentration determinations of alkaline and alkaline earth metals. Our worldwide unique flame photometer convinces with high measuring precision and simple operation in the simultaneous measurement of the elements
NA, K, Ca and Li.

Flame photometers of the FP8000-series


Density meters - Optimum quality and expertise

As to density meters, honoring comprehensive application consulting and long standing product know-how are important to you. Find with us your perfect application solution. Our density meters guarantee simple, fast and absolutely precise measurements with the oscillating U-tube method.

Density meters of the DS7000-series


We are ready to talk to you anywhere in the world

What can we do for you? We will assist you reliably and competently, according to your wishes, in your language. Discover the quality of our products and use our application experience and expertise. Our distributors and certified service partners are there for you worldwide.

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High quality standards apply to the production

You want state-of-the-art technology, with manufacturing processes based on certified and normative specifications. Our products are produced in Hamburg according to international standards. This ensures quality-relevant work processes and guarantees products of consistent quality, safe, powerful and effective.

Service and production


Designing the future - with us always one step ahead

Benefit from our extensive experience and profound technical understanding of application and products. We have always developed innovations for measuring methods. Already in 1865 we have patented improvements of the Laterna Magica. Learn more about our history.

A.KRÜSS company


A.KRÜSS Optronic

Cutting edge technology “Made in Germany”

A.KRÜSS Optronic is a leading manufacturer of high-precision measuring devices and analytical instruments. The family enterprise founded in 1796 offers an extensive range of products and customised solutions for quality assurance in the pharmaceutical, chemical, petrochemical, food and beverage industry as well as for research and science. We also offer a wide variety of products for professional gemology.

Whether it is a refractometer, polarimeter, density meter, gas analyser, flame photometer, melting point meter or microscope – our instruments meet the highest requirements in terms of speed, accuracy and reliability. Thanks to our strong R&D capacities, we are a driving force in the technology market setting the standards for functional scope and user-friendliness. A dense network of sales partners and certified service partners allows us to provide individual consultation as well as optimised service and support for our customers around the globe.


Any Questions?

We will be glad to help.

+49 40 514 317-0

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