METRUE

Computer software for optical instruments used for analyzing and managing data; intelligent multimeters; optical standard lamps, namely, light sources used in optical metrology inspection; integrating spheres, namely, light collectors used for luminance and radiance standards, lamp measurement, reflectance and transmittance measurement, laser and LED measurements and uniform calibration light source; optical detectors, namely, sensors of photometers, colorimeters, radiometers and array detectors; luminance meters; spectroscopes; optical radiation measuring apparatus; electronic measuring device for measuring electric quantity, power, and electromagnetic compatibility; photometer; spectrophotometer for use in measuring optical radiation; Spectrograph apparatus; illuminometer