Digital BW, The Print

visually they are quite
> different
> > when compared under the same illumination.

That strongly suggests the measuring device/technique is faulty ("not
calibrated") ... it evidently isn't adequate for photographic (visual)
purposes. 


> > > > Results are a bit of surprise for me: I thought that PremierArtBW
> > > > is actually brighter than PremierArtFA (205), or that EEM will
> have
> > > > the most neutral tone from all measured papers.

Your eyes are what counts. The data is apparently a distraction at best.