What is illumination level?
The quantity of light that illuminates a surface; measured in foot candles or in lux.
What instrument is used to measure the brightness of light?
A photometer is an instrument that measures light intensity. It can be defined as an instrument that measures visible light.
How do you read lumens?
Lumens measure how much light you are getting from a bulb. More lumens means it’s a brighter light; fewer lumens means it’s a dimmer light. Lumens let you buy the amount of light you want.
What does 0.01 lux mean?
LUX = Lumens Per Square Metre.
To provide a better idea of the light conditions of different LUX ratings here is a rough guide to help using natural lighting examples: Daylight = 10,000 LUX. … Full Moon = 0.1 LUX. Quarter Moon = 0.01 LUX. Complete Dark = 0 LUX.