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The viscosity scale readings for the various rotor types overlap in part.
For example, the following viscosity ranges can be measured with the
following both rotors:
3 to 13 dPa•s:
No. 3 or No. 1 rotor
100 to 150 dPa•s: No. 2 or No. 1 rotor
However, depending on the properties of the sample fl uid and on mechanical
calibration results, the obtained measurement values may be different when
changing rotors. To facilitate the correct evaluation of data, you should
therefore note the rotor number along with the measurement results.