IEVref:845-25-112ID:
Language:enStatus: Standard
Term: tilt during measurement, <of a luminaire>
Synonym1:
Synonym2:
Synonym3:
Symbol: θm
Definition: angle between a defined datum axis related to the luminaire and the horizontal when the luminaire is mounted for photometric measurement

Note 1 to entry: The defined datum axis can be any feature of the luminaire, but it will usually relate to a feature that is nominally aligned with the horizontal such as an axis through the luminous opening or an axis through an array of LEDs or a fixing spigot entry axis.

Note 2 to entry: The tilt during measurement is expressed in radian (rad) or degree (°).


Publication date:2020-12
Source
Replaces:
Internal notes:
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5: