The XYL-VI Luminance Colorimeter contains internal RS232 computer interface. The calibration is done by software. It is suitable for monitoring and remote applications. The XYL-VI Luminance Colorimeter can be calibrated by XYL-VI Luminance Colorimeter software to sample the data and print out the results. It can also be corrected by other standard light sources to obtain very high measuring accuracy of x, y color coordinates and color temperature. It is a real-time measuring system and run under Windows2000/XP.