Rotational Viscosity Determination Device

A rotational viscometer calculates viscosity by measuring the resistance encountered by a rotor as it rotates within a sample. It is used for measuring the viscosity of fluids such as coatings and inks, guiding production process control.

Instruments

Measurement range 1~ 1000000mpa.s, Rotor speed 7.5/75/750rpm, can be connected to Thermostatic Bath to control sample temperature, only 15-70ml sample volume, suitable for a variety of fluid viscosity determination.

$ 461.00

Viscosity range 0.6~ 6000000mPa · s, repRoducibility +/- 0.5% F. S, supports continuously variable speed and liquid crystal display of various paraMeters, suitable for ultra-low viscosity sample measurement.

$ 1255.00

Ubbelohde DIN standard design, viscosity measurement range of 100-500cSt, based on the principle of capillary tubing flow time proportional to viscosity, to ensure accurate determination of liquid kinematic viscosity.

$ 461.00

High subdivision drive stepper motor ensures accurate and stable Rotation speed, Measurement accuracy of +/- 1% F. S, viscosity range of 1~ 1000000mPa · s, LCD display viscosity, Rotation speed and other Multi-ParaMeter, timing function to ensure thixotropic liquid data conformity.

$ 777.00

Measurement accuracy of +/- 2% F.S, repRoducibility +/- 0.5% F.S, viscosity range covering 1~ 600000mPa · s, with screen direct display viscosity, speed, torque and alarm function.

$ 835.00

Aperture 3.76mm, viscosity range 100-800cSt, outflow time 20-80 seconds, in line with ASTM standard design, suitable for rapid determination of medium viscosity pRoducts.

$ 115.00

With 18 speed Rotation speed control and 0.3-100 rpm range, automatic calculation range, support user-defined calibrate, Repeatability up to +/- 0.2% F. S, accuracy +/- 1% F. S, can measure 1~ 2000000mPa · s viscosity.

$ 4075.00

Aperture 2.74mm, viscosity range 20~ 250cSt, outflow time 20~ 80 seconds, rapid determination of liquid viscosity, suitable for a variety of viscosity pRoduct measurement.

$ 115.00

Using 998 stepless speed regulation and automatic scanning functions, Measurement accuracy of +/- 1% F.S., Support real-time viscosity Linear dispersion display and 30 data storage to meet a variety of viscosity measurement needs.

$ 1647.00

Ubbelohde DIN standard design, viscosity measurement range of 6-30cSt, based on the principle of capillary tubing flow time is proportional to viscosity, suitable for accurate determination of a variety of liquid samples.

$ 461.00

Equipped with four rotors, viscosity measurement range 20~ 100000mPa · s, fixed Rotation speed 6/12/30/60rpm, can display viscosity, Rotation speed, torque and maximum viscosity value, repRoducibility +/- 1% F.S.

$ 420.00

Rotation speed is continuously adjustable by microcomputer controlled stepper motor, viscosity range is 10~ 6000000 mPa.s, Measurement accuracy +/- 3% F.S., compact structure and good anti-interference performance.

$ 719.00

Dial display, viscosity measurement range of 10~ 100000mPa · s, accuracy +/- 5% F. S, equipped with four rotors and four Rotation speed, suitable for a variety of fluid viscosity detection, easy to operate.

$ 346.00

Viscosity measurement range 1~ 2000000mPa · s, repRoducibility +/- 0.5% F. S, sample volume only 25~ 30mL, Rotation speed control to meet different viscosity measurement needs.

$ 712.00

With 200-320000000mPa · s wide range and +/- 1% Measurement accuracy, support PT100 temperature detection and 10 sets of program storage functions, can automatically calculate Rotor speed combined range.

$ 5850.00

Articles

How to choose the right rotational viscometer?
This article introduces how to select an appropriate rotational viscometer, so you won't be blind when choosing a viscosity measurement instrument!
Rotation rheometer evaluates the atomization performance of water-based paint spraying.
This article introduces how to evaluate the atomization effect of water-based paint spraying using a rotational rheometer. It first explains the two stages of atomization, as well as the importance of rheological parameters such as shear viscosity, storage modulus, loss modulus, and complex viscosity.
Application of High-Temperature Viscometer in Testing the Melt Viscosity Characteristics of Hot Melt Ink
This article introduces a method for testing the melt viscosity of hot-melt ink using a high-temperature viscometer. The test employs a rotational viscometer to measure the viscosity of three ink samples at different temperatures.
Guide to Selecting a Laboratory Rotational Viscometer for Coatings Development
This article introduces how to select a laboratory rotational viscometer in coatings research and development. It first explains the principle of rotational viscometers measuring viscosity based on shear resistance, and then points out that key parameters to consider during selection include measurement range, shear rate, temperature control, and rotor configuration.
High-temperature viscometer evaluates the flow characteristics of ceramic coatings before sintering.
This article introduces how to use a high-temperature viscometer to evaluate the flow characteristics of ceramic coatings before sintering. During measurement, the instrument detects changes in the viscosity of the coating sample under simulated sintering temperature conditions using rotational or oscillatory principles.
Practical Guide to Selecting Rotors and Speeds for Rotational Viscometers
A rotational viscometer measures viscosity by detecting the resistance encountered by a rotor rotating in the sample. When selecting a rotor, it is necessary to consider the estimated viscosity range of the sample, ensuring that the torque reading falls within 10% to 90% of the instrument's measurement range, while also taking into account the sample volume and rheological properties.
Temperature-controlled Rotational Viscometer Simulates Coating Rheology in Construction Environments
This article introduces how to use a temperature-controlled rotational viscometer to simulate construction environments in order to study the flow characteristics of coatings. The viscosity of coatings changes under different temperatures and shear conditions, which affects their application performance.
Rotational rheometer measures the viscosity and processing performance of polymer melts.
A rotational rheometer applies a controlled shear field to measure rheological parameters such as the viscosity of polymer melts. The melt typically exhibits shear-thinning behavior, where its viscosity changes with the shear rate, directly affecting processing methods such as extrusion and injection molding.
Comparison of Rotational Viscometer and Capillary Rheometer in Testing the Flowability of Resin Processing
The rotational viscometer measures torque via rotor rotation, making it suitable for testing the static or low-shear fluidity of resins under low shear rates, with simple and quick operation. The capillary rheometer, on the other hand, forces samples through a capillary to simulate high-shear processing, providing flow data closer to actual production conditions, but it is more complex and time-consuming to operate.
Rotational Viscometer Measures Viscosity and Processability of Resin Melts
A rotational viscometer calculates viscosity by measuring the torque experienced by a rotor as it rotates in the resin melt, thereby helping to understand the material's processing properties.
Rotational Viscometer for Measuring and Controlling the Application Viscosity of Coatings
A rotational viscometer is a commonly used tool for controlling the viscosity of coatings during application, as it measures the torque generated by a rotor rotating in a fluid to calculate viscosity.
Stormer Viscometer for Determining Krebs Viscosity of Paints
This article introduces the method of measuring the Krebs viscosity value of colored paints using a Stormer viscometer. Viscosity is a key indicator that affects the application and storage of coatings. The Krebs unit (KU) quantifies viscosity based on the resistance encountered by a rotor as it rotates within the paint sample.
Rotational viscometer measures the viscosity of paint at low shear rates.
This article introduces the method and significance of measuring the viscosity of colored paint at low shear rates using a rotational viscometer.
Standard Method for Measuring the Melt Viscosity of Hot Melt Adhesives with a Rotational Viscometer
This article introduces the standard method for measuring the molten viscosity of hot-melt adhesives using a rotational viscometer. During the measurement, the hot-melt adhesive sample must be fully melted and degassed, placed into a measuring cup, and then measured with the rotational viscometer at a set temperature.
The cone and plate viscometer measures the rheological properties of a small amount of ink sample.
A cone-plate viscometer measures torque through rotation between the cone and plate, enabling the analysis of rheological properties with small ink samples. It is suitable for small-volume measurements, reducing interference from solvent evaporation.