en

first photometric axis of a luminaire

1

Terminological databases

Metroloogia terminibaas

ID 585684 Last modified 01.07.2024
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Domain Standardisation - Metrology
valgusti esimene fotomeetriline telg preferred
esimene fotomeetriline telg
first photometric axis of a luminaire preferred
  • valgusti fotomeetrilist keset läbiv telg, mis on risti valgusti peamist valgustkiirgavat piirkonda esitava tasandiga
  • axis through the photometric centre of a luminaire and perpendicular to the plane which is representative of the main light emitting area
valgusti esimene fotomeetriline telg preferred
Usage examples
  • Valgusti esimene fotomeetriline telg ei pruugi ilmtingimata kokku langeda C,γ - koordinaadistiku polaarteljega, kui valgusti on fotomeetrilistel mõõtmistel kaldu.
esimene fotomeetriline telg
first photometric axis of a luminaire preferred
Usage examples
  • The polar axis of the C,γ - coordinate system does not necessarily coincide with the first axis of the luminaire if the luminaire is tilted during measurement.

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