Photon Systems Instruments, spol. s r.o (PSI)

PSI (Photon Systems Instruments) is a high-tech company located close to the industrial city of Brno in the southern part of the Czech Republic. For more than 25 years PSI has been specializing in the design and manufacture of sophisticated, high-end instrumentation for research in the biological sciences. The company is a world expert in manufacturing instrumentation for advanced measurement and imaging of optical signals in plants and algae, particularly in the field of chlorophyll fluorescence/reflectance techniques. The instrumentation we have developed is used for monitoring a wide range of physiological signals from individual cells to mature crop plants. We have a global system of experienced distributors that provide direct contact and technical support to customers all over the world.