RokBenchENGINEERING VERIFICATION WORKBENCH
Tools / Illuminance (Lumen Method)
Tool · Electrical Rooms & Lighting

Illuminance (Lumen Method)

How many luminaires a room needs for a target average illuminance, how to lay them out, and what the layout actually delivers.

Screening
Room
Target and luminaire
Target illuminance comes from the IES recommendations or your owner's standard; CU comes from the manufacturer's photometric report at the room cavity ratio shown.
Result

Enter the room, a target illuminance, and the luminaire's lumens, CU and light loss factor.

RokBench is a screening tool intended to assist qualified engineers. It does not constitute engineering services, does not produce sealed or certified deliverables, and does not replace applicable codes, standards, manufacturer documentation, or the judgment of a licensed professional responsible for the design. Verify all results independently before use. Report a problem with this result.

Screening toolfor licensed professionals. Not an engineering service. See Disclaimer.