6 Different Types of Viscometers & How They Work
Table of Contents
What are the different types of viscometer?
6 Different Types of Viscometers & How They Work
- Orifice viscometers.
- Capillary viscometers.
- Falling piston viscometers.
- Rotational viscometers.
- Falling ball viscometers.
- Vibrational viscometers.
What is Ostwald viscometer?
Ostwald viscometer, also known as U-tube viscometer or capillary viscometer is a device used to measure the viscosity of the liquid with a known density.
What are the three standard types of efflux viscometer?
The saybolt viscometer, one of the efflux cup viscometers is the standard instrument for testing petroleum products. There are three types of orifices available-Universal, Furol, Asphalt.
What is Brookfield viscosity test?
The Brookfield Dial Reading Viscometer measures fluid viscosity at given shear rates. Viscosity is a measure of a fluid’s resistance to flow.
What is Stabinger viscometer?
The SVM™ 3001 Stabinger Viscometer™ provides users with more parameters compared to all other existing kinematic viscometers. With a small sample volume and a single measuring cycle, the SVM™ 3001 can measure multiple parameters, including density, kinematic viscosity, dynamic viscosity, viscosity index and more.
What is cup and bob viscometer?
They measure the torque required to rotate a disk or bob in a fluid at a known speed. “Cup and bob” viscometers work by defining the exact volume of a sample to be sheared within a test cell; the torque required to achieve a certain rotational speed is measured and plotted.
What is a Brookfield viscometer?
What is cone and plate viscometer?
The Cone and Plate Viscometer is a standard test for dynamic viscosity measurements. As non-Newtonian fluids exhibit different viscosities relative to the shear rate applied, the Cone and Plate Viscometer tightly controls it to 10,000S-1 (B.S./ ISO requirements) or to 12,000S-1 (ASTM).
What is efflux viscometer?
The efflux viscometer , also known as flow cup, type Ford is a traditional instrument used worldwide for the determination of the kinematic viscosity of inks, resins, varnishes and any other Newtonian fluids.
What is the difference between Redwood viscometer and Saybolt viscometer?
As the temperature rises the coefficient of viscosity decreases….Difference between Redwood and Saybolt Viscometer.
| Sr. No. | Saybolt Viscometer | Redwood Viscometer |
|---|---|---|
| 2 | A stopper is provided at the bottom of the tube for the liquid not to flow. It is released during the experiment. | The stopper is replaced with a ball valve and orifice. |
What is LV RV in viscosity?
LV is for low viscosity materials and can measure the thinnest materials. Typical examples include inks, oils, and solvents. RV is for medium viscosity materials than those measured with an LV torque. Typical examples include creams, food, and paints.
What is Brookfield method?
The Brookfield Viscometer determines viscosity by measuring the force to turn the spindle in the solution at a given rate. Data: Relative Viscosity is calculated by dividing absolute viscosity of the nylon/formic acid solution by the absolute viscosity of the formic acid.
What is viscosity of fluid?
The viscosity of a fluid is a measure of its resistance to deformation at a given rate. For liquids, it corresponds to the informal concept of “thickness”: for example, syrup has a higher viscosity than water.
How does a Brookfield viscometer measure viscosity?
Brookfield viscometers employ the well-known principle of rotational viscometry; they measure viscosity by sensing the torque required to rotate a spindle at constant speed while immersed in the sample fluid. The torque is proportional to the viscous drag on the immersed spindle, and thus to the viscosity of the fluid.
What is torque viscometer?
Torque % the amount of torque resistance measured by a rotating spindle immersed in a material. Volt. unit of measurement for voltage unless otherwise indicated; abbreviated as V. Viscometer.
What is a stormer viscometer?
Description. The stormer viscometer measures the viscosity of a fluid by measuring the time taken for an inner cylinder in the mechanism to perform a fixed number of revolutions in response to an actuating weight.