Liquid Surface Tension Coefficient Measuring Instrument

The liquid surface tension coefficient measuring instrument calculates the tension coefficient by measuring the external force required to form a unit area of liquid surface. It employs the ring method or drop volume method to record the force at the moment the liquid film detaches or the weight of the droplet. It is used for testing ink adhesion, evaluating coating spreadability, and verifying the effectiveness of cleaning agents.
Selection
Select the measurement range based on the properties of the liquid to be tested; corrosive liquids require corrosion-resistant probes. Consider temperature control needs, with high-temperature samples requiring a constant temperature bath. Compare measurement accuracy; for routine testing, select an accuracy of 0.1 mN/m. Ensure interface compatibility with existing equipment; manual types are suitable for single tests, while automatic types are suitable for continuous monitoring.

Terms

Standards

Instruments

Can simultaneously detect dynamic and static Coefficient of Friction, force range 0~ 5N, accuracy level 1, support microcomputer control and micro printer output test report.

$ 1542.00

Based on the national standard design, the static Coefficient of Friction and the dynamic Coefficient of Friction can be measured simultaneously, with a test accuracy of up to 0.001N, equipped with High Accuracy Sensor and special drive system to ensure smooth operation and accurate results.

$ 1516.00

Automatic measurement and display of dynamic and static Coefficient of Friction, Measurement accuracy +/- 1%, slider traverse speed 100mm/min, stable performance, accurate testing, complete functions, easy to operate.

$ 1364.00

With a fully automatic liquid inlet device, the liquid inlet accuracy reaches 0.001 μL, equipped with SONY high-speed industrial-grade chip and a variety of Measuring methods, it can accurately measure 0-180 ° contact angle and 0-3000mN/m surface tension to meet various material surface performance analysis requirements.

$ 5495.00

Using microcomputer control to achieve automatic testing, equipped with High Accuracy force sensor accuracy of 0.001N, special drive system running smoothly, can simultaneously measure static friction and dynamic Coefficient of Friction.

$ 1482.00

High Accuracy Imported Sensor, Measurement accuracy up to 0.001N, test stroke 0-320mm adjustable, speed range 1-1200mm/min, support arbitrary slider mass setting, real-time display of force value Linear dispersion, automatic calculation of static and dynamic Coefficient of Friction.

$ 2712.00

It can automatically measure the dynamic and static Coefficient of Friction at the same time, using high-precision ball screw drive, the total error of the force measurement system is less than +/- 2%, and the micro printer can print multiple sets of results and the average value.

$ 2007.00

Adopt electromagnetic force closed-loop measurement system, accuracy +/- 0.02mN/m, support 0-200mN/m range measurement, with automatic lifting and temperature detection functions, can test high viscosity liquids and dynamic surface tension changes.

$ 4458.00

Adopt electromagnetic force closed-loop measurement system, Measurement range 0-400mN/m, resolution +/- 0.1mN/m, automatically read equilibrate value, support high viscosity liquid and interfacial tension test, simple operation without external computer control.

$ 3331.00

Using microcomputer control to achieve automatic testing, equipped with High Accuracy force sensor accuracy of 0.001N, special drive system running smoothly, can simultaneously measure static friction and dynamic Coefficient of Friction.

$ 1516.00

The device can measure 0~ 1 range of Coefficient of Friction, test force accuracy of +/- 0.001N, support stepless speed regulation to 550mm/min, suitable for a variety of standard tests, easy to operate, accurate and reliable data.

$ 2203.00

The manual lifting platform is equipped with fast fine-tuning dual gear, supports platinum plate method and ring method dual Measurement mode, Measurement range 0-400mN/m, error is only +/- 0.1mN/m, can be connected to the computer to display the tension change in real time Linear dispersion.

$ 1531.00

It can accurately test the surface tension value of the material, support a variety of specifications bottle selection, the test range covers 30-60 dynes, suitable for Plastic film, metal foil and other materials surface tension detection.

$ 87.00

Stepping motor control precision, low noise; force range 0.01~ 10N, resolution 0.01N; automatic reset and overload protection, support data communication.

$ 2074.00

Test accuracy up to 0.001N, stroke 0-320mm adjustable, speed range 0-1200mm/min, automatic control and real-time display of force value Linear dispersion to ensure high Repeatability and Stability.

$ 2292.00

Articles

Surface Tensiometer Evaluates the Wetting and Spreading Properties of Resin Liquids
This article introduces how to use a surface tensiometer to evaluate the wetting and spreading performance of resin liquids. Wetting and spreading affect the adhesion and appearance of products such as coatings and adhesives, and the process can be described by Young's equation and the spreading coefficient.
Surface Tensiometer: Interpreting the Invisible Forces on Liquid Surfaces
Surface tension is the contractile force generated by the uneven forces acting on molecules at the liquid surface, influencing phenomena such as droplet formation and capillarity. Surface tension meters measure this force using techniques like the Wilhelmy plate method, the platinum ring method, or the pendant drop method. Their core components include force sensors, sample stages, and data processing systems.
Surface Tensiometer vs. Contact Angle Goniometer: Which One to Choose for Wetting Studies?
Surface tension meters primarily measure the surface tension of liquids and are suitable for analyzing the properties of liquids themselves, such as purity or the effects of additives. Contact angle meters, on the other hand, evaluate the wettability of solids by analyzing the contour of liquid droplets on solid surfaces, and are commonly used in surface treatment or coating research.
How does a surface tensiometer determine the success or failure of printing quality?
Surface tension is a critical factor affecting printing quality, as it determines the wetting and adhesion of ink on materials such as paper and plastic. Accurate measurement and control of the surface tension of relevant liquids using a surface tensiometer are prerequisites for ensuring printing quality.