en

luminous intensity

1

Terminological databases

EKI terminibaas Esterm

ID 713396 Last modified 30.12.2004
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Domain optics
luminous intensity
Usage examples
  • Outside the reference axis and within the angular fields defined in the diagrams in Annex II, the intensity of the light emitted by each of the two samples must: 3.2.1. in each direction corresponding to the points in the luminous intensity distribution table reproduced in Annex V be not less than the value shown, in the said table for the direction in question, expressed as a percentage of the minimum specified in 3.1 ...

Meteoroloogia ja klimatoloogia terminibaas

ID 517942 Last modified 19.10.2023
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Domain atmosphere - climatology - meteorology - magnetosphere
light intensity

Metroloogia terminibaas

ID 574763 Last modified 23.11.2023
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Domain Standardisation - Metrology
valgustugevus preferred
luminous intensity preferred
candlepower
light intensity
  • füüsikaline suurus, mis väljendab punktikujulisest valgusallikast lähtuvat valgusvoogu antud ruuminurgas
  • Rahvusvahelise suuruste süsteemi ISQ põhisuurus
  • measure of the wavelength-weighted power emitted by a light source in a particular direction per unit solid angle, based on the luminosity function, a standardized model of the sensitivity of the human eye
  • ISQ base quantity
valgustugevus preferred
Usage examples
  • Tehislike valgusallikate valgustugevust mõõdetakse tavaliselt valgusekiirgusmõõturiga või kiirgusspektrimõõturiga varustatud nurkvalguskiirgusmõõturiga.
valguse intensiivsus former
luminous intensity preferred
Usage examples
  • Luminous intensity of artificial light sources is typically measured using and a goniophotometer outfitted with a photometer or a spectroradiometer.
candlepower
light intensity

Valgustehnika terminibaas

ID 611694 Last modified 25.11.2025
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Domain electric lighting
  • valgusallikast lähtuva, antud suunda sisaldavas ruuminurgaelemendis dW leviva valgusvoo dF ja nimetatud ruuminurgaelemendi jagatis
    Good to know
    • Ühik: kandela, cd; 1 cd = 1 lm×sr –1 = 1 lm/sr .
  • quotient of the luminous flux, dFv, leaving the source and propagated in the element of solid angle dΩ containing the given direction, by the element of solid angle
    Good to know
    • Unit:cd = lm×sr –1 .
valgustugevus
Usage examples
  • Valgusti valgustugevus sõltub valgusallika liigist ja võimsusest ning valgusti otstarbest ning ehituse omapärast (nt peegeldi olemasolu).

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