Shunyu HENGPINg SNB-1 Rotational Viscometer uses a pointer to display the Viscosity value. The viscosity Measurement Instrument measures range from 1 to 100000mPa·s. The SNB-1 Viscosity Measurement Instrument has four rotational speeds of 6/12/30/60r/min. No. 0 rotor needs to be purchased separately.