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The CL-500A is Konica Minolta's first compact, lightweight illuminance spectrophotometer which can be used for evaluation of next-generation lamps such as LED illumination and EL illumination. With its advanced sensor and stand-alone design it can easily measure CRI (Color Rendering Index), illuminance, chromaticity, and color temperature of virtually any light source whether in the lab or out in the field.

The CL-500A is a compact, lightweight illuminance spectrophotometer that can be used not only for illuminance measurements but also for spectral evaluation of high class next generation lamps such as LEDs, OLEDs and EL illumination.

The CL-500A makes use of multiple sensors and an optical grating which enables it to measure and evaluate CRI or Color Rendering Index. CRI is a quantification of the color-rendering properties of a lamp or other light source, and was defined to provide objective criteria. The CL-500A will measure and display the CRI (Ra) as well as the individual indices from R1 thru R15. Another benefit to using a sensor based detector is the ability to display spectral distribution in graphical form. The fact that the CL-500A is a sensor based instrument means it is well suited to measuring narrow bandwidth light sources including LEDs, OLEDs, Ultra High Pressure lamps (UHP), etc.