Tu-4 ViscoMeter

The Zahn viscosity cup determines viscosity by measuring the time it takes for a specific amount of coating to flow out of a standardized orifice. It is used in industries such as coatings and inks for on-site rapid testing of fluid flowability, guiding dilution ratios and application adjustments.
Selection
When selecting, consider that the measurement range covers the viscosity of the sample, the nozzle specifications comply with industry standards, the stainless steel material resists solvent corrosion, the integrated thermometer ensures measurement consistency, and the simple operation facilitates on-site use.

Terms

Standards

Instruments

Stainless steel material design, flow hole diaMeter 4mm, capacity 100ml, Portable structure with handle, in line with the national standard GB1723, suitable for workshop control test.

$ 133.00

Bakelite material is durable, the diaMeter of the flow hole is 4mm, the capacity is 100ml, and the outflow time is 0~ 150s. It is suitable for the determination of the viscosity of paints Coatings and meets the GB/T1723 standard.

$ 109.00

Bakelite Cup body and stainless steel filter, flow time 0~ 150 seconds, flow hole diaMeter of 4mm, capacity of 100ml, in line with GB/T 1723 standard, can be used with the bracket to improve Stability.

$ 122.00

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 4mm flow hole and chrome-plated Cup structure, the outflow time range is 0-150 seconds, and the correction factor K = 1 +/- 0.03 ensures accurate and reliable viscosity measurement.

$ 115.00

Brass material Benchtop design, flow hole diaMeter 4mm, volume 100ml, in line with GB/T1723 standard, suitable for viscosity below 150s Coating detection, correction factor 0.97~ 1.03.

$ 130.00

The copper Cup ensures durability, the diaMeter of the flow hole is 4mm with the capacity of 100ml, and the measurement time range is 0~ 150s, which is suitable for conditional viscosity determination.

$ 141.00

Portable handle design without bracket, easy to carry; 4mm aperture aluminum Cup body, viscosity measurement range below 150s, in line with the national standard GB/T1723.

$ 130.00

Benchtop structure design, Outflow Time Measurement range 0-150 seconds, Flow hole diaMeter 4 +/- 0.02mm, Conical container to ensure accurate Measurement condition viscosity, suitable for laboratory viscosity detection.

$ 136.00

Aperture 4mm and capacity 100ml design, aluminum Cup body with bracket, improve measurement Stability and accuracy, suitable for standard viscosity test environment.

$ 127.00

The pure copper Cup body is used to ensure durability, the diaMeter of the 4mm flow hole is matched with the capacity of 100ml, the outflow time range is 0~ 150 seconds, and the correction coefficient K = 1 +/- 0.03 ensures the measurement accuracy, which meets the requirements of national standards.

$ 102.00

Temperature control accuracy of +/- 0.5 ℃, Temperature Uniformity +/- 0.5 ℃, with over-temperature protection and automatic fault detection function, transparent cover design to reduce experimental errors, module replacement is convenient.

$ 474.00

Benchtop structure design, the upper cylinder and the lower cone, the diaMeter of the flow hole is 4 mm, the outflow time range is 0 to 150 seconds, and the metal material shall prevail to ensure the measurement accuracy.

$ 114.00

Microcomputer temperature control accuracy of +/- 0.5 ℃, metal module can be replaced for easy cleaning and disinfection, built-in over-temperature protection and fan chill down system to ensure safe and efficient experiment.

$ 424.00

Temperature control accuracy of +/- 0.5 ℃, Temperature Uniformity +/- 0.3 ℃, with over-temperature protection and automatic fault detection function, transparent cover design for easy observation of the experimental process, module can be easily replaced and cleaned.

$ 848.00

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.
Lab Mixer Selection - Viscosity Determines Torque
This article mainly discusses how to select a laboratory mixer based on the viscosity of the material. The higher the viscosity, the greater the torque required. Low-viscosity liquids are suitable for high speed and low torque, while high-viscosity materials require low speed and high torque.
The impact of temperature uniformity in laboratory water baths on viscosity measurement
This article discusses the importance of temperature uniformity in laboratory water baths for viscosity measurement. Viscosity is highly sensitive to temperature variations, and uneven temperature distribution within the water bath can lead to deviations in measurement results.
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.
The Zahn cup is used for the daily inspection of the viscosity of electrophoretic paint bath solutions.
This article introduces the application of the Zahn cup in daily inspections of the viscosity of electrophoretic paint bath solutions. The viscosity of electrophoretic paint affects coating quality, making daily inspections crucial. The Zahn cup is simple to operate, cost-effective, and suitable for rapid on-site measurements.
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.
Handheld viscosity cups are used for rapid assessment of paint viscosity at construction sites.
A handheld viscosity cup is a portable tool used to quickly assess the viscosity of coatings at construction sites. It operates based on the flow-out time method, calculating viscosity by measuring the time it takes for the coating to flow out of the cup's orifice. It is suitable for Newtonian or approximately Newtonian fluids.
Application of Desktop Viscometer Cups in Batch Sample Screening at Quality Inspection Centers
This article introduces the application of desktop viscosity cups in batch sample screening at quality inspection centers. Viscosity cups estimate viscosity by measuring the outflow time of fluids, making them suitable for rapid screening.
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.
When selecting a laboratory disperser, it is essential to evaluate the dispersion capacity and the speed range.
When selecting a laboratory disperser, it is crucial to evaluate the dispersion capacity and speed range. The dispersion capacity should be determined based on parameters such as material viscosity and solid content to avoid uneven dispersion or localized overheating caused by excessive or insufficient capacity.
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.
The coating machine applies the OLED light-emitting layer onto ITO glass.
This article introduces the technique of using a coating machine to apply OLED luminescent layers onto ITO glass. The coating principle involves matching solution rheology with substrate surface energy, allowing control over film thickness by adjusting parameters such as viscosity and speed.