esimene fotomeetriline telg

Terminological databases

ID 585684 Last modified 01.07.2024

Domain Standardisation - Metrology

valgusti esimene fotomeetriline telg preferred

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

valgusti esimene fotomeetriline telg mõõtmisel C,γ - koordinaadistikus

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.

first photometric axis of a luminaire when measured in the C,γ - coordinate system

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