... change does not affect the accuracy of measurement of viscosity 2 direct drive stepper motor, no noise, variable speed convenient, clear ... ,4 (0 # rotor matched) 3 Measuring range: 152 / 2 ~ 10 ~ 2,000,000 (106) mPa.s 4 Accuracy: ± 1.0% full ... viscosity adapter (No. 0 rotor), micro-printer, constant temperature water tank, RTD temperature sensor, remote control, standard oil.