New Viscometers for Measuring the Viscosity of Liquids

Table 1

Main technical parameters of new viscometers.

Technical parameters	Vibration viscometers
	First viscometer	Second viscometer	Third viscometer
Vibration frequency (Hz)	30	30	30
Measurement range (MPa·s)	0.3–1000	0.3–1000	0.3–1000
Relative measurement error (%)	±7	±10	±12
Minimum sample volume (ml)	25	35	35
Units of measure	MPa·s, Pa·s, and cP, P	MPa·s, Pa·s, and cP, P	Pa·s, P

The technical values in the table are determined by the authors through theoretical calculations.