LED profile diffuser

13
Windows 10 Pro
I do a lot of studies with LED strips, and so that the values ​​are as close to a real measurement as possible, I currently lower the FM from 0.8 to 0.4. I do this so that the real values ​​of the LED strip continue to appear on the product sheet. I have decided to create, just as I did with the aluminum profile, an extrusion object and give it the properties of transparent and with the values ​​of the polycarbonate manufacturer so as not to have to lower the FM and thus get closer to a real measurement. The problem is that when I make a measurement with Dialux and with the diffuser placed on the LED strip, I get more lux than without the diffuser, which is not possible because the diffuser takes away 22% of the performance. So I would like to know if there is a way to simulate a diffuser in the program or if there is a way to work with LED strips taking into account this loss of performance without having to touch the lumens of the product. Thank you.
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