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Although both a spectroradiometer   and a colorimeter are examples of devices that measure light, the processes by which these two kinds of meters accomplish this task are extremely different and the purposes for which they are used are also very different. A device known as a spectroradiometer is one that can measure the quantity of light that is present over a certain spectrum of wavelengths. It provides an in-depth analysis of the spectrum properties of the light source, including, among other things, its spectral distribution, spectral purity, and wavelength range. Applications that require a high degree of accuracy and precision in measuring the spectrum properties of light sources are good examples of where a spectroradiometer might be put to use. These applications can be found in the fields of scientific research, product development, and quality control, to name a few. A colorimeter , on the other hand, is a tool that ascertains the color characteristics of a light source,

A device that measures the color of light is referred to as a colorimeter. Measurement of the chromaticity coordinate s and color temperature of various light sources, such as LED lights and screens, are common applications for this instrument. The following is a high-level explanation of how to use a colorimeter: Before using the colorimeter, you need to make sure that the light source you are measuring is turned on and has achieved its steady state. Only then should you start the instrument. It is essential that the area around the light source be devoid of any other light sources that could have an impact on the measurement. Adjustment: Adjust the colorimeter's settings in accordance with the recommendations provided by the manufacturer. In order to do this, the colorimeter will need to be calibrated to a certain standard light source or a calibration kit would need to be used. Position: On the surface of the light source or display that you wish to measure, position the colo