Used machines for sale
 Viscometers
Main brands:
Brookfield, Callmex
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| Viscometers |
Viscometers are devices used to measure the viscosity of a fluid, that is, the fluid's resistance to flow. Viscosity is an important property in various industrial, laboratory and research applications, as it directly influences the flow behavior of liquids and viscous fluids.
What is it for:
Quality control:
In food, pharmaceutical, paint and coating industries, viscosity is a critical characteristic that affects the quality of the final product. Viscometers are used to ensure that products meet specific viscosity standards.
Research and Development:
In research laboratories, viscometers help scientists understand the properties of fluids under different conditions and develop new products.
Industrial processes:
In industrial processes, viscosity control is essential to ensure product consistency and optimize production processes.
How it works:
Viscometers operate on the principle that the force required to make a fluid flow is directly related to its viscosity. There are different types of viscometers, but many work by measuring the strain or shear rate of the fluid.
Rotating Cone and Plate:
A cone is rotated in a fluid and the resistance to movement is measured.
Ford Cup:
A liquid is flowed through an orifice, and the time required to flow a specific amount is measured.
Rotational Shear Chamber:
Fluid is placed between two rotating surfaces, and the force required to rotate one relative to the other is measured.
Vibrational or Oscillational:
Measures the fluid's response to vibration, which is related to its viscosity.
Capillary:
Measures the time it takes for a fluid to flow through a capillary tube.
Dropping Balls and Rotating Spheres:
They measure the speed at which a ball or sphere falls through a fluid.
Magnetic Resonance Imaging:
It uses magnetic resonance to measure the viscous properties of a fluid.
Types of Viscometers:
Absolute Viscometers:
They directly measure the viscosity of the fluid without comparison with another fluid.
Comparative viscometers:
They compare the viscosity of the fluid with that of a standard fluid.
Rotational Viscometers:
They measure the shear strength when a sample is rotated.
Oscillatory Shear Viscometers:
They measure the response of a fluid to oscillatory forces.
Capillary Viscometers:
Based on the time it takes for a fluid to flow through a capillary tube.
Dropping Ball Viscometers:
They measure the speed at which a sphere falls through a fluid.
The choice of viscometer type depends on the properties of the fluid to be measured and the specific application conditions. |
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Brand: Callmex
Micro processed rotary viscometer.
Brand: Callmex.
Model: Q860M26.
Equipment for automatic measurement and indication of viscosity of products such as medicines, foods, cosmetics, glues, paints and other fluids in Newtonian samples.
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