The base of relativism principl of motion, doubles tubes sensor and light fibre modulaction technology are applied, practical dynamic devistional typl viscosimeter was reached. 本文根据运动的相对性原理,采用双转筒传感和光纤调制技术,使动态偏转式粘度计实用化,可满足高灵敏度自动检测,直接数字输出,便于和微机联网,具有广泛的使用前景。