Torque-based Viscosity Meter

A torque viscosity measuring instrument calculates viscosity by measuring the resistance experienced by a rotor rotating in a fluid. It is used for detecting the rheological properties of coatings, inks, and similar materials, guiding production process control.
Selection
When selecting, consider matching the measurement range with the sample viscosity, ensuring temperature control accuracy meets testing needs, covering shear rates with rotor configurations, ensuring data interfaces comply with recording requirements, and ensuring operation and maintenance are simple and reliable.

Terms

Standards

Instruments

Supports iron-based and non-iron-based material measurement with accuracy of +/- 1~ 3% or +/- 2.5 µm, provides split Probe for enhanced maneuverability, automatically recognizes matrix materials and remembers calibrated values.

$ 527.00

Measurement range is 0.3~ 1cSt based on the principle of proportional flow time and viscosity, which is suitable for analysis of various liquid samples.

$ 461.00

With iron-based and non-iron-based dual-use function, resolution up to 0.1um, test range 0~ 1250um, support single and continuous measurement, automatic identification of matrix material, stable and portable operation.

$ 356.00

Range 20~ 2,000,000 mPa · s, repRoducibility +/- 0.5% F. S, LCD display viscosity, Rotation speed, temperature and torque, easy operation and high accuracy.

$ 595.00

DC brushless motor supports long-term operation, torque is automatically adjusted with sample viscosity, with overload and motor automatic protection functions, Max. Torque 60N.cm can handle 50000mPa · s viscosity liquid.

$ 684.00

The LCD screen visually displays viscosity, Rotation speed, percentiMeter torque and rotor information, with a range of 20~ 2000000 mPa · s, repRoducibility +/- 1% F. S, and supports eight Rotor speed switches.

$ 536.00

Speed range 30-2200rpm, Max. Torque 80N.cm, can automatically adjust the torque to adapt to viscosity changes, equipped with self-locking chuck and a variety of Impeller, support long-term continuous operation and overload protection function.

$ 788.00

Speed range 30-2200rpm, Max. Torque 40N.cm, can automatically adjust the torque to adapt to viscosity changes, equipped with self-locking chuck and a variety of Impeller, support long continuous operation.

$ 572.00

With a wide speed range of 30-2200rpm and 40N.cm torque, support 10000mPa · s viscosity liquid treatment; brushless motor can run continuously for a long time, with overload protection and automatic torque adjustment function.

$ 525.00

Speed range 30-2200rpm, Max. Torque 60N.cm, can automatically adjust the torque to adapt to viscosity changes, equipped with a variety of Impeller and overload protection to ensure long-term safe operation.

$ 683.00

With 30-2200rpm wide Speed range and 40N.cm torque, it can automatically adjust torque to adapt to viscosity changes, use DC brushless motor to support long-term operation, and have overload automatic protection function to ensure safe operation.

$ 595.00

With 30-2200rpm wide Speed range and 60N.cm torque, torque can be automatically adjusted to adapt to viscosity changes; DC brushless motor supports long-term operation, equipped with overload protection and self-locking chuck to ensure safe and stable operation.

$ 690.00

Speed range 30-2200rpm, Max. Torque 40N.cm, can automatically adjust torque to adapt to viscosity changes, DC brushless motor to ensure long-term safe operation, and provide a variety of Impeller options to suit different application needs.

$ 580.00

DC brushless motor ensures long-term safe operation, with a wide speed range of 30-2200rpm and 60N.cm torque, can automatically adjust the torque to adapt to viscosity changes, and integrate overload protection function to improve operation Reliability.

$ 695.00

DC brushless motor, torque 60N.cm, can handle 50000mPa · s viscosity liquid, with automatic overload protection and LCD screen display function, support a variety of Impeller options.

$ 690.00

Articles

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.
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.
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.
Method for measuring ink viscosity with a rotational viscometer
A rotational viscometer measures viscosity by detecting the torque experienced by the rotor as it rotates in the ink, with the calculation formula being η = K × (T/ω). Before measurement, it is necessary to select an appropriate rotor, control the temperature, and calibrate the instrument.
The rotational viscometer reads the viscosity of ink.
A rotational viscometer measures viscosity by generating torque through a rotor rotating in the ink, aiding in the analysis of the ink's flow characteristics. The thickness or thinness of the ink affects printing quality, and both excessive thickness and excessive thinness can lead to issues.
Rotational Viscometer vs. Stormer Viscometer: How to Choose the Right Instrument Based on Coating Type
The rotational viscometer measures viscosity by detecting rotor torque and can analyze rheological properties at different shear rates, making it suitable for research and precise measurements. The Stormer viscometer uses the load at a fixed rotational speed to determine the KU value, simulating construction conditions, and is commonly used for rapid on-site evaluation of coating application performance.
Application of Stormer Viscometer KU Value in Coating Viscosity Control
This article introduces the application of KU values measured by the Stormer viscometer in the coatings industry. The KU value reflects the viscosity of coatings by measuring the torque at a specific rotational speed, with higher numbers indicating greater viscosity.