Rotational Dilution ViscoMeter

The rotational dilution viscometer measures fluid resistance by rotating a rotor within the sample to obtain viscosity data. It is used for testing the flow properties of materials such as coatings and inks, and for controlling material consistency during production processes.
Selection
When selecting, consider matching the sample viscosity range with the instrument's measurement range, ensuring the rotor type is suitable for the material properties, meeting temperature control requirements, prioritizing ease of operation, and evaluating maintenance costs. Ensure that the measurement accuracy meets the requirements for routine testing.

Terms

Standards

Instruments

Measurement range 2~ 1000000mPa · s, accuracy +/- 5% F. S, equipped with two rotor groups II and III, support 7.5/75/750rpm third gear Rotation speed, suitable for a variety of fluid viscosity measurement.

$ 590.00

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

Measurement range 100-13000000cP, Repeatability +/- 0.2% F.S., supports 10 program stores and TTT/TTS Measurement mode, can automatically calculate the range and export Excel data.

$ 4721.00

Can measure the dynamic viscosity of normal temperature solid high temperature molten fluid, viscosity range 10~ 200000mPa · s, Temperature range RT +~ 250 ℃, repRoducibility +/- 0.5% F. S, support a variety of Rotor speed and timing functions.

$ 1476.00

Rotation speed control with 200 stops and 0.1-200 rpm range, support shear stress and shear rate measurement, can store 10 programs and have data recording function, Measurement accuracy of +/- 1% F.S.

$ 5850.00

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

Measurement modes: Rotor speed 562rpm, accuracy of +/- 1% F.S. Microprocessor control ensures measurement accuracy and Repeatability, quick release chuck for cleaning and maintenance.

$ 7198.00

Measurement range 200-106000000mPa · s, accuracy +/- 1% F. S, support 18-speed Rotation speed control and PT100 temperature sensor, with Self-check function and 10 sets of program storage, can generate Excel data reports.

$ 4721.00

Adapt to a variety of Viscometer use, suitable for factory field applications, real-time printing measurement results, no need to hand copy, easy operation, can save labor time.

$ 183.00

Using coaxial cylinder structure, the sample volume is only 7-13ml, the Measurement accuracy is +/- 2%, equipped with timing function and RS232 interface, suitable for small sample testing.

$ 1153.00

Using stepless speed regulation technology to provide 998 kinds of Rotation speed selection, Measurement accuracy of +/- 1% F. S, support real-time viscosity Linear dispersion display and automatic scanning function, to meet a variety of viscosity measurement needs.

$ 2065.00

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

Adopt helical tooth bar/helical gear lifting system, add universal joint at connecting rotor, variable gear is high wear-resistant engineering plastic, viscosity range 1~ 2000000mPa.s, Measurement accuracy +/- 5% F.S.

$ 517.00

Measurement range up to 320000000mPa · s, Rotation speed 0.01-250 rpm adjustable, equipped with tablet control and real-time chart display function, support multi-step program measurement and data export.

$ 7948.00

With 2600 precision Rotation speed control and 0.01-250 rpm wide range, support multi-step program measurement and real-time data display, equipped with PT100 temperature sensor to achieve +/- 0.1 ℃ accuracy temperature monitoring.

$ 7658.00

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!
Stormer viscometer controls the in-can viscosity of latex paint.
This paper introduces the application of the Stormer viscometer in controlling the paint can viscosity of latex paint. Paint can viscosity affects application performance and user experience, with either too high or too low values causing issues.
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.
Application of Cone-and-Plate Viscometer in Determining the Rheological Curve of Non-Newtonian Fluids in UV Inks
This article introduces how a cone-plate viscometer measures the rheological curve of UV ink. UV ink is a non-Newtonian fluid whose viscosity changes with shear rate.
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.
High-temperature viscometer measures the flow behavior of powder coatings in the molten state.
This article introduces the use of a high-temperature viscometer to measure the flow behavior of powder coatings in their molten state. Powder coatings need to melt and flow before curing, a process that directly affects the smoothness and performance of the coating.
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.
Selection of abrasion testing machine is based on the wear form, choosing between linear or rotational types.
When selecting a wear testing machine, the first step is to determine based on the primary wear forms the material actually encounters.
Rotating Rubber Wheel Abrasion Tester for Determination of Coating Taber Abrasion Index
This article introduces the method for determining the Taber abrasion resistance index of coatings using a rotating rubber wheel abrasion tester.
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.