Do we need to be in a darkroom when we do the test with a portable color meter?

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Yes, it is normally advisable to do LED light testing with a portable colorimeter in a darkroom or another setting with limited ambient light. This is because the ambient light may affect the accuracy of the readings. The reason for this is because the amount of light in the surrounding environment might cause an error in the findings of the measurement.

The term "ambient light" refers to any light that is present in a given environment that is not produced by the LED light that is being evaluated. This light may originate from natural sunshine, artificial lighting, or electrical gadgets. Other possible sources include electronic displays. The existence of ambient light may have an effect on the findings of the measurement by causing a change in the background light level. This, in turn, can have an effect on the accuracy of the measurements involving color and chromaticity.

It is possible to manage the amount of background light in a darkroom and maintain it at a low level in order to reduce the amount of interference caused by outside light. When evaluating the color and chromaticity of LED lights, this is of utmost importance since even little changes in the amount of background light may have a substantial influence on the findings of the test.

Temperature and humidity are two of the variables in the testing environment that must be carefully monitored and controlled in order to provide accurate findings from the measurements. The measurement findings are able to be more precise and reproducible when the tests are carried out in an environment that is regulated, which enables LED lights to be tested in a manner that is consistent and trustworthy. 

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