Particle Size Analysis with the CPS Disc Centrifuge UHR

The CPS DC24000 UHR is an ultra high resolution particle size analyser with unparalleled resolution accuracy, even when measuring nanoparticles less than 100nm. With clean separation of narrow peaks that differ in size by as little as 2%, the CPS DC24000 UHR uses Differential Centrifugal Sedimentation (DCS) to accurately size, detect and measure small changes in particle size.
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If I set the non-sphericity factor to 3 (for strongly non spherical particles), what type of size does the instrument finally measure? The equivalent spherical s diameter ? Thanks.