Digital ViscoMeter with Speed Control

The digital rotational viscometer drives a rotor to rotate in the liquid via a motor and calculates viscosity by measuring the torque required to maintain a constant rotational speed. It is used for detecting the viscosity of fluids such as coatings and inks, and for monitoring changes in fluid states during production processes.
Selection
When selecting, consider that the measurement range covers the viscosity range of the sample, the rotor material is resistant to corrosion by the sample, the speed range meets the shear rate requirements, the temperature control function is compatible with the experimental environment, and the data interface matches the recording system.

Terms

Standards

Instruments

Range 20~ 100000 mPa · s, repRoducibility +/- 0.5% F. S, four-speed Rotation speed control, LCD screen simultaneously displays viscosity, Rotation speed, temperature, torque and rotor measurable maximum viscosity value.

$ 478.00

Rotation speed control and +/- 1% Measurement accuracy, LCD display viscosity, Rotation speed, temperature and percentile torque, micro printer can collect and output key detection data.

$ 572.00

Equipped with 7-inch Touchscreen, easy to operate, supports 0.3-100 rpm stepless speed measurement, built-in RTD temperature Probe to achieve +/- 0.1 ℃ temperature control accuracy, with anti-static shell and automatic lifting system.

$ 4088.00

Using series micro motor and multi-stage Non-metallic gear drive, Max. Torque 195N.cm, Speed range 50-1500rpm, with numerical control touch stepless speed regulation and digital display function, stable operation and low noise.

$ 569.00

With 1~ 100000mPa · s wide range and +/- 5% F. S accuracy, it supports intelligent speed regulation and a variety of rotor configurations. Frequency changes in mains power do not affect measurement Stability.

$ 704.00

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

Rotation speed control with four, viscosity measurement range of 20~ 100000mPa · s, repRoducibility +/- 0.5% F. S, LCD screen can display a number of paraMeters such as torque and maximum viscosity value, intuitive and convenient operation.

$ 498.00

Adopt digital control constant speed technology, maintain constant power operation at low speed, Max. Torque 0.3Nm, maximum processing viscosity 20000mPa · s, support reversible and timing functions.

$ 336.00

Rotation speed is accurate and stable with high subdivision stepper motor, viscosity range of 50~ 10000000mPa · s, temperature control accuracy +/- 0.1 ℃, support real-time monitoring of viscosity-temperature Linear dispersion and over-limit alarm function.

$ 2475.00

Adopt electronic constant force speed control circuit, digital direct display shaft Rotation speed, speed range 100~ 8000rpm, maximum processing viscosity 100000mPa.s, set of dispersion function and stirring function as one, adapt to different test needs.

$ 414.00

With temperature and rotational speed dual digital display function, temperature control accuracy of +/- 1 ℃, using PID self-tuning and thyristor control, Max. stirring Capacity 2000mL, heating power 500W, Pottery and porcelain coated panels are resistant to corrosion and high temperature.

$ 667.00

With 2600 precision Rotation speed control and 0.01-250 rpm wide range, support multi-step program measurement and multiple data model analysis, equipped with PT100 temperature sensor to achieve accurate temperature control of -40~ 300 ℃.

$ 7658.00

Adopt digital constant speed control technology, maintain constant power operation at low speed, Max. Torque up to 900mNm, can handle materials with viscosity up to 30000mPa · s, support forward and reverse switching and 0-9999 minutes timing function.

$ 425.00

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

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

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.
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.
Method for determining the dynamic viscosity of varnish using a falling ball viscometer
This article introduces a method for measuring the dynamic viscosity of varnish using a falling-ball viscometer. It is based on Stokes' law, which calculates viscosity by measuring the time required for a standard small ball to fall a fixed distance in a vertical glass tube filled with varnish.
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.