The Viscosity range of the HBDV-1 digital display Rotational Viscometer is 640~320000000mPa·s, and the accuracy is ± 1% FS. The HBDV-1 Viscosity Tester is standard with R2, R3, R4, R5, R6, R7 six rotors. Can be applied to a variety of industrial Viscosity determination