Photon Systems Instruments

Photon Systems Instruments is a Czech private company that develops and manufactures scientific instrumentation for research in the biological sciences, with a particular focus on plant science and algae biotechnology. Its product portfolio includes chlorophyll fluorescence and reflectance measurement systems, advanced imaging systems, plant phenotyping platforms, photobioreactors, growth chambers, and handheld sensors. The company is best known for its PlantScreen phenotyping systems and related tools used in laboratory, greenhouse, and field research settings. PSI serves academic, agricultural biotechnology, and broader life science research customers rather than developing therapeutic drug pipelines. It appears to be an active, commercial-stage tools company with manufacturing and administrative operations in Drásov, Czech Republic.