Ubbelohde-Viscometer 0-3mm²/s calibrated

Ubbelohde viscometer, DIN version, with printed constant according to ISO/DIN 3105, DIN 51502, BS 188, FKT 60-100, No. 0C, I.Ø 0.47 mm, K.: 0.003, measuring range 0-3 mm²/s, calibrated, four-leg