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Encyclopedia of Color Science and Technology pp 1–2Cite as

Instrument: Photometer

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Synonyms

Luminous intensity meter

Definition

The photometer is an instrument which can be used to measure photometric quantities such as luminance, illuminance, etc. The parameters are derived from means of law of additives and CIE spectral luminous efficiency functions. The instruments usually transport the measured data either digitally or analogly to display on the screen. CIE had defined the international vocabulary of the photometer: instrument for measuring photometric quantities [1].

Overview

The photometer is a universal vocabulary which has plenty of types. According to the applications, the types can be divided to luminance meter, illuminance meter, etc. The luminous-intensity meter is a conventional photometer, which can measure directly luminous intensity (candela, cd). This article will focus on the luminous-intensity meter and is divided into three sections to introduce luminous-intensity meter structure and measuring theories, measuring fields and range, and applications...

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References

  1. International Commission on Illumination: ILV: International Lighting Vocabulary, CIE S017/E:2011, Vienna (2011)

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  2. International Commission on Illumination: The Measurement of Absolute Luminous Intensity Distributions, CIE 70–1987, Vienna (2011)

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  3. International Commission on Illumination: Methods of Characterizing Illuminance Meters and Luminance Meters, CIE 69–1987, Vienna (2011)

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  4. International Commission on Illumination: Measurement of Luminous Flux, CIE 84–1989, Vienna (2011)

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Author information

Authors and Affiliations

  1. Center for Measurement Standards, Industrial Technology Research Institute, Hsinchu, Taiwan

    Shao-Tang Hung

Authors
  1. Shao-Tang Hung
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Corresponding author

Correspondence to Shao-Tang Hung .

Editor information

Editors and Affiliations

  1. School of Design University of Leeds, Leeds, United Kingdom

    Ronnier Luo

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© 2015 Springer Science+Business Media New York

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Cite this entry

Hung, ST. (2015). Instrument: Photometer. In: Luo, R. (eds) Encyclopedia of Color Science and Technology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27851-8_350-1

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  • DOI: https://doi.org/10.1007/978-3-642-27851-8_350-1

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Online ISBN: 978-3-642-27851-8

  • eBook Packages: Springer Reference Physics and AstronomyReference Module Physical and Materials ScienceReference Module Chemistry, Materials and Physics

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