Measuring equipment for scientific, commercial, industrial and personal use, namely, analog and digital detectors, monitors, meters, and instrumentation for measuring light, UVA, UVB, UVC, visible, infrared, full spectrum, global radiation, erythema, safety, and custom bandwidths, temperature; radiometers; photometers; spectroradiometers; measuring instruments in the nature of spectral radiance and luminance standards; measuring instruments and light sources in the nature of spectral irradiance and illuminance standards; measuring instruments and light sources in the nature of integrating spheres for measuring radiance, luminance, and irradiance; measuring instruments in the nature of detector standards for measuring spectroradiometric, radiometric, and photometric energy; colorimeters and photometers; imaging photometer comprising of a multichannel spectroradiometer, CCD imaging telescope, measurement displays, and downloadable application software; measuring instruments in the nature of diffuse and specular reflectance calibration standards; precision constant current for operating tungsten filament, deuterium, xenon, and UV lamps, standards, integrating sphere standards of spectral irradiance and calibration sources; radiometer and photometers and accessories, namely, replacement lamps, and software for operating the foregoing; electronic data loggers for measuring light; simulators, UV transmittance analyzers, and instrumentation for reproducing UVA, UVB, UVC, global radiation equivalent of sunlight, visible light, and full spectrum light for scientific, commercial and industrial use, namely, simulators for irradiating biological materials, photovoltaic cell research and testing; Sunscreen Protection Factor (SPF) determination studies

Repair and maintenance of meters, monitors, detectors, instrumentation and light sources for others; repair and maintenance of spectroradiometers, spectral radiance and luminance standards, spectral irradiance and illuminance standards, integrating spheres, detector standards, colorimeters and photometers, imaging photometer systems, diffuse and specular reflectance standards, precision constant current sources, radiometer and photometers for others

Materials testing services; testing and research on measuring machines, apparatus and instruments; testing for others, namely, UV exposure for materials testing, spectral response, and output testing of light sources and measuring detectors; design modification, calibration and validation of meters, monitors, detectors, instrumentation and light sources for others; calibration of ultraviolet, visible and infrared light sources and spectroradiometers, spectral radiance and luminance standards, spectral irradiance and illuminance standards, integrating spheres, detector standards; calibration services for colorimeters and photometers, imaging photometer systems, diffuse and specular reflectance standards, precision constant current sources, radiometer and photometers spectral radiance and luminance standards services precision; calibration services for constant current sources services; calibration and detector of ultraviolet, visible and infrared light sources standards services