Designers and contractors can quickly calculate the number of indoor luminaires needed to light a rectangular room by logging on to

Once online, select a luminaire from the website’s product page catalogue, click on the CalcExpress tab and enter the room dimensions. The software will calculate the number of luminaires required and a proposed layout, based on a default minimum light level of 500 lux. Other parameters such as mounting height can also be input and the results can be saved as a pdf.

More information 171