Unit for the amount of visible light measured by a luxmeter at a certain point.• Central illuminance (Ec) Illuminance (lx) at 1m distance
Kaynak: Surgical lighting

The cuvettes are placed in front of a halogen light source (500W). 72 klux of light at the sample position was measured by a luxmeter
Kaynak: Center of Excellence in Nanotechnology at AIT