Rotary Viscosity Testing Instrument

A rotational viscometer measures the torque required to rotate a rotor within a sample, which is then converted into viscosity based on the fluid's resistance to rotation. It is used for detecting the viscosity of fluids such as paints and inks, as well as monitoring changes in fluid state during production processes.

Instruments

The equipment is designed with double rollers, with a test load of 5kg, a drop height of 500 + 1000mm, and a rotation speed of 5-20 times/minute to meet the needs of continuous rotary drop testing.

$ 1174.00

Using the rotary oscillation mode, Oscillation Frequency up to 3000 rpm, swing amplitude of 5mm, through smooth contact to achieve rapid mixing, speed can be adjusted with pressure, suitable for a variety of laboratory applications.

$ 133.00

Adopt rotary vane structure design, pumping rate up to 2L/s, Ultimate vacuum degree 6x10 ^ -2Pa, equipped with Φ 25mm standard interface, support long-term continuous operation, especially suitable for vibration and noise sensitive experimental environment.

$ 332.00

Using 6mm filter diaMeter, viscosity measurement range 188-684cSt, flow time 30-100 seconds, in line with international standards design, suitable for rapid viscosity evaluation of newtonian fluids, aluminum alloy structure to ensure durability.

$ 432.00

Using 5mm filter diaMeter, viscosity measurement range 91-326cSt, flow time 30-100 seconds, aluminum alloy material structure is strong, in line with international standards.

$ 427.00

Outflow aperture 3.4mm, viscosity measurement range 49~ 220cSt, aluminum alloy Cup with stainless steel aperture, in line with ASTM D1200 standard, suitable for laboratory viscosity testing.

$ 167.00

Using aluminum alloy anodic oxidation Cup body and stainless steel nozzle, aperture 1.90mm, viscosity measurement range of 10~ 35cSt, flow time of 55~ 100 seconds, suitable for liquid viscosity evaluation.

$ 130.00

Using aluminum alloy anodic oxidation Cup body and stainless steel nozzle, the diaMeter of the flow hole is 2.53mm, the viscosity range is 25~ 120cSt, and the liquid viscosity is evaluated by measuring the outflow time, which conforms to the ASTM standard design.

$ 130.00

Using high-quality aluminum alloy and stainless steel material, aperture 4.12mm, viscosity measurement range of 70~ 370cSt, flow time of 20~ 105 seconds, through the flow time to evaluate the liquid viscosity characteristics.

$ 130.00

Designed for easy immersion measurement with one hand operation, the 8mm filter diaMeter covers a specific viscosity range, and the aluminum alloy and stainless steel construction ensures durability and accurate flow time determination.

$ 388.00

Using aluminum alloy material, filter diaMeter 4mm, viscosity measurement range 34-135cSt, in line with international standards design, hand-held immersion operation is simple, suitable for laboratory accurate measurement.

$ 432.00

Using 10L Glass Bathtub, small size and less medium consumption, temperature control accuracy of +/- 0.05 ℃, automatic accurate timing and viscosity calculation, support 4 holes at the same time experiment, easy and reliable operation.

$ 1910.00

Made of titanium anodic oxidation aluminum and stainless steel, the flow hole diaMeter is 6mm, the capacity is 100ml, and the one-hand immersion measurement meets the DIN 53211 standard to ensure High Accuracy Viscosity Testing.

$ 381.00

The equipment can perform continuous rotary drop test, drop height up to 1000mm, Test speed 5-20 times/min, suitable for Reliability verification of small electronic pRoducts.

$ 1053.00

Using titanium anodic oxidation aluminum material, the filter is stainless steel, the diaMeter of the flow hole is 4.1mm, the viscosity range is 70-370cSt, the Cup mouth is designed with an anti-spill groove, and each Cup is engraved with a unique serial number.

$ 497.00

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!
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.
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.
Stormer viscometer measures the KU viscosity of latex paint
This article introduces the method of measuring the KU viscosity of latex paint using a Stormer viscometer. The viscometer measures the load required to maintain a fixed rotational speed through the rotation of its paddle, thereby calculating the KU value, which is related to the application and storage properties of the coating.
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.