What is LV in Brookfield viscometer?
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 are the measurements of viscosity?
Viscosity is the measure of a substance’s resistance to motion under an applied force. The result is typically expressed in centipoise (cP), which is the equivalent of 1 mPa s (millipascal second). Shear stress is the force per unit area required to move one layer of fluid in relation to another.
Which type of viscometer Brookfield is?
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.
What is the best way to measure viscosity?
Ways to Measure Viscosity
- Capillary Viscometer. The earliest methods for measuring viscosity were based on using capillary tubes and measuring the time it took for a volume of liquid to pass through the length of the tube.
- Zahn Cup.
- Falling Sphere Viscometer.
- Vibrational Viscometer.
- Rotational Viscometer.
Is more viscous thicker or thinner?
The higher the viscosity of a liquid, the thicker it is and the greater the resistance to flow.
What kind of viscosity standard does Brookfield use?
Brookfield Viscosity Standards are Newtonian within the range of shear rates generated by Brookfield equipment; that’s why they are usable with all our Viscometer models. Newtonians are obviously the easiest fluids to measure – just grab your Viscometer and go to it.
How are viscosity standards used in viscometers?
Brookfield Oil Viscosity Standards are used to check the calibration of specific instruments such as cone/plate viscometers or rheometers. Silicone viscosity standards are commonly used to verify calibration of Brookfield Viscometers and Rheometers.
How often do viscosity standards need to be replaced?
Viscosity standards should be replaced on an annual basis. CAP Viscosity Standard Fluids are used for calibrating Brookfield CAP series Viscometers. Brookfield Oil Viscosity Standards are used to check the calibration of specific instruments such as cone/plate viscometers or rheometers.
What are the viscosity standards for Krebs oil?
Like all Brookfield Viscosity Standards, the Krebs Oil Fluids are accurate to ±1%. Silicone viscosity standards are commonly used to verify calibration of Brookfield Viscometers and Rheometers. Custom non-standard viscosity or temperature range silicone fluids.