Artemide Dictionary of Light
A
Accuracy (of measurement)
Approximate agreement between the result of a measurement and the actual value
of the item being measured. It is a qualitative term: the term “precision” should not
be used as a synonym.
Active cooling
System composed of one or more radiators made of a conductive materials, plus a fan
or another element conveying air on the radiator.
Adjustable dowsers
Adjustable, removable partitions applied on a projector, able to screen its light as
required.
Ampere (A)
The SI base unit used to measure the intensity of electric current.
Angle of inclination
Angle of inclination calculated upward from the horizontal of a lighting fixture.
Anti-dazzle grid
Element usually with square or hexagonal grid (other geometric shapes could be
applied) able to cut unrequired, dazzling light rays that can cause glare. Its finish is
usually black or aluminium. The shaped section allows the reflected light to be deviated
towards specific angles, so that the dazzle effect is removed.
Asymmetric lens shield tube
Accessory located in front of a projector, able to cut unrequired, dazzling light rays
that can cause glare.
Axial intensity
Light intensity emitted by any lighting device along its main axis.
Backup Lighting
Part of the emergency lighting provided to ensure that an exit can be identified
efficiently and used if the normal lighting system does not work.
B
BIN
A term used in the LED industry to define selections of: Colour (the BIN defines a
