Measuring Instruments
Measurement of work environment (ambient brightness) or the brightness at night or the illumination such as lamps.
Official government testing / R&D by illumination manufacturers / repair and maintenance in factories, offices, and hospitals / quality control by manufacturers of home-use lighting products / examination of commercial light sources / illuminance control in agriculture and forestry, etc.
Measurement of luminance of various display devices
Measurement of the luminance of CRTs, LED, and ELs / road and tunnel brightness / rail-system signals / road and airport signals / illumination and outdoor signs / illumination equipment and devices / device brightness / Research and measurement testing, etc.
Measurement of the tristimulus values, chromaticity, correlated color temperature, dominant wavelength, excitation purity, illuminance, and difference values of light sources including new LED and EL lighting.
Quality control, examination and R&D for LED and OLED illumination and lighting fixtures, projector light sources, color LCDs, light boxes, fluorescent lights, building / interior lighting products, psychological research environments, etc.