Specialists in process measurement technology
We at Harrer & Kassen are not just specialists – we are the only ones who independently develop, manufacture and sell devices for process measurement technology based on microwaves and optical technologies. Our measuring devices set standards in performance, accuracy and manufacturing quality. As a leading manufacturer, we are shaping the future of process measurement technology.

Products for
process measurement technology
Efficient, precise and reliable solutions for your industrial applications.
Microwave measurement devices are used in chemical analysis, material testing, food inspection and other industrial processes that require precise measurement and control of material properties.
NIR spectrometers are used in chemical analysis, material testing, food inspection and other industrial processes where measurement of multiple constituents is required.
For precise and continuous control of color quality to ensure that products consistently meet quality standards.
NIR laboratory measuring devices for the rapid analysis of material samples under laboratory conditions to determine dry matter or water content, organic components such as fat, protein and other quality parameters.
Specially developed sensors, antennas and measuring cells for the required individual application as well as accessories for our microwave measuring devices, NIR spectrometers and color measurement to obtain the best possible results.
For a complete overview of our product range, please download our product flyers as PDF files.
The right solution for your industry
Our company
We at Harrer & Kassen are an internationally oriented, medium-sized, family-owned company for the development, manufacture and sale of devices for process measurement technology based on microwaves and optical technologies. Our measuring devices set industry-wide standards in performance, accuracy and manufacturing quality. We offer customized solutions in the waste water, building materials, chemicals, food, paper, tobacco, textiles, animal feed, etc. industries. At Harrer & Kassen, we are actively shaping the future of process measurement technology – precise, innovative and pioneering.