... Digital Rotational Viscometer 1.High measure accuracy 2.Lower cost 3.Easy to operation Lab Digital Rotational Viscometer Introduction & Features NDJ ... ·s;RPM6 , 12 , 30 , 60; total 4 grades0.3,0.6,1.5,3,6,12,30,60 total 8 grades SpindlesNo ... , total four types of spindles (#0 is for option)Accuracy±3% (F·S);Repeatability±0.5% Power supply: AC 220 V±10 ...