Elcometer 2400 Viscosity Disc
A conversion table that allows the viscosity (in cSt) and flow times of different cups to be compared. Front: No. 4 Cups according to BS, NF, ASTM, DIN and Zahn 2.
Back: No. 3-4-5-6 Cups according to ISO & Zahn 3, as well as Gardner Bubble Viscometers.