Quantity Catalog - Luminous efficacy (sr)
Luminous efficacy (sr) is a measure of how efficiently a light source produces visible light. It describes the amount of light emitted per unit of power input, taking into account the sensitivity of the human eye to different wavelengths of light.
Common related units of measurement include lumens per watt (lm/W) and lux per watt (lx/W), which are used to quantify the efficiency of lighting systems. Luminous efficacy is an important parameter in designing energy-efficient lighting solutions and assessing the effectiveness of different light sources.
- Luminous efficacy helps in comparing the efficiency of different light sources.
- It is crucial in designing sustainable lighting systems.
- The measurement aids in optimizing energy consumption in lighting applications.
|
luminous efficacy of a defined visible radiation
kcd
1 Kcd = 683.002 s^3*cd*sr/m^2/kg (#7 of 7 SI Defining constants); The "kcd" is a unit of luminous efficacy measuring the efficiency of visible radiation. It is the 7th of 7 SI defining constants. |
|
(luminous efficacy sr base)
s^3*cd*sr/m^2/kg
Luminous efficacy (sr) measures how efficiently a light source produces visible light, measured in lumens per watt within a solid angle. |
Home Refresh UoMs for Quantitites > Composite Quantity UoMs > Luminous efficacy (sr)