What are Nominal Lumens

Horace He

Last Updated: December 26, 2023

What are Nominal Lumens

Nominal lumens are initial lumen output of a light source, such as an LED board or an incandescent bulb, without taking into account any light loss that may occur through a lens or other factors. It represents the brightness of the light source before any light is dispersed or attenuated.

Lumens are a true measure of light output, indicating the total visible light produced by a light source. The higher the lumen rating of a bulb, the more light it provides. However, one need to distinguish lumens from other measurements such as candela or footcandles, which measure light at a single point, whereas lumens measure light output over an area.

Get Inspired by Rayzeek Motion Sensor Portfolios.

Doesn't find what you want? Don't worry. There are always alternate ways to solve your problems. Maybe one of our portfolios can help.

Nominal lumens are helpful for understanding the initial brightness or intensity of a light source. It serves as a baseline measurement for comparing different lighting products or calculating the total light output in a given space. It is worth noting that the nominal lumens value does not necessarily represent the actual amount of light that reaches a specific area or surface, as factors like fixture design, light source efficiency, and the presence of optical elements can affect the actual light output.

Looking For Motion-Activated Energy-Saving Solutions?

Contact us for complete PIR motion sensors, motion-activated energy-saving products, motion sensor switches, and Occupancy/Vacancy commercial solutions.

Leave a Comment