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, color differences, correlated color temperature and illuminance of display devices such as CRT and LCD and of light sources.
R&D, examination and quality control for projector light sources, CRTs and color LCDs, light boxes, fluorescent lights, building / interior lighting products and psychological environments, etc.
Measurement of the intensity of UV light.
Industries using chemically-reactive substances or substances having a bio-response to light emission / a photoelectric reaction.