ThreeNH (3nh), announced the launch of the KS-520 Nano Spectrocolorimeter, a portable device that meets the highest standards of precision and reliability SHENZHEN, GUANGDONG, CHINA, December 31, 2025 ...
A spectral sensitivity in the human eye peaks at approximately 555nm, which means that green color appears to be more brighter when compared to other colors. At 490nm wavelength range, the sensitivity ...
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