Biospherical Instruments Inc. (BSI) is a research-oriented company which designs and manufactures scientific instrumentation for environmental monitoring. BSI is a manufacturer of optical instruments for the oceanographic, atmospheric, water quality, and biological sciences communities. BSIs products include terrestrial and oceanographic global UV monitoring systems, water quality monitoring systems for municipal reservoirs, and a wide variety of UV and visible wavelength radiometers for use in oceanographic and atmospheric research. Specialties include: Aquatic Profiling Radiometers, Microradiometers, Atmospheric Radiometers and Oceanographic Radiometers