... Lower cost 3.Easy to operation Laboratory Digital Rotational Viscometer Introduction & Features NDJ-5S Digital Rotational ViscometerIt adopts advanced mechanical design ... solvents,and other fluids.Technical Parameter: ModelNDJ-5SRange (mPa.s)10 ~100000 mPa·s;RPM6 , 12 , 30 , 60; total 4 gradesSpindlesNo ... of spindles (#0 is for option)Accuracy±3% (F·S);Repeatability±0.5%Power supply: AC 220 V±10%, 50 ...