... results from the display output. This Viscometer adopts MCS-51 series instrument with computer controlled stepper motor speed and the whole ... 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 ...