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Light Measurements
Measuring Instruments
Illuminance
Spectrophotometer
CL-500A
Type
Spectral measurement of light sources and determination of colorrendering index, correlated color temperature, spectral irradiance, etc.
Principal Uses
Measurement of color rendering index, etc. of light sources including LEDs or EL lamps; Research/color inspection at illumination equipment manufacturers; Sensor for measuring total flux or light-distribution characteristics; Development/quality assurance/maintenance of LED signboards.
Illuminance
Meters
T-10A Series
Type
Measurement of illuminance of ambient light or illumination. Compatible with PWM-controlled lighting.
Principal Uses
Official government testing; Inspection of projector light distribution; 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.
Luminance
Meters
LS-100 / LS-110
Type
Measurement of luminance of various display devices
Principal Uses
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.
Incident Color / Color Temperature Meter
CL-200A
Type
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.
Principal Uses
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.
