Solar Light is recognized worldwide as a manufacturer of precision ultraviolet light sources, solar simulators, and radiometers for over 50 years. Our standard line of UV, visible, and IR radiometers and light meters measure laboratory, industrial, environmental, and health related light levels with NIST traceable accuracy. Column ozone, aerosol, and water vapor thickness measurements in addition to long-term global ultraviolet radiation studies are performed using our atmospheric line of instrumentation.