photometric brightness


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photometric brightness

n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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This LDM 98/PD 16VL01 photometric detector offers a photopic adaptation error of <3%, plus other PD-16 series radiometric detectors can be interchanged on the modular viewer unit for radiance measurement Typical applications include photometric brightness measurement of luminous surfaces such as monitor screens, alphanumeric displays, LED signs, emergency lighting, and illuminated control panels.