8/26/2023 0 Comments The line spread test for viscosityMeasurements will result in relative viscosity values that cannot be compared with absolute values or other relative values unless determined by the same relative viscometer method.ĭifferent measuring systems are available for specific viscosity ranges and various rotational speeds. In relative viscometers, the flow in the measurement geometry is not defined. Measurements result in absolute viscosity values that can be compared to other absolute values. In absolute viscometers, the flow in the measurement geometry is well defined. Rotary viscometers can be divided into two groups, absolute and relative viscometers. ![]() Rotary viscometers are used to measure the viscosity of Newtonian (shear-independent viscosity) or non-Newtonian fluids (shear-dependent viscosity or apparent viscosity). This standard measures the force acting on a rotor (torque) when it rotates in a fluid at a constant angular velocity (rotational speed). PH EUR 2.2.10 Viscosity - Rotating Viscometer Method TestĮUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of PH EUR 2.2.10 test.
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