Interfacial TensioMeter

The interfacial tension meter determines surface tension values by measuring the interaction forces between a liquid and a gas or another liquid at their interface. It is used to evaluate liquid wettability, foam stability, and emulsification effectiveness, control spreading properties in coatings and inks, and monitor coating uniformity in paper and plastics.

Instruments

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

Ring test and reference material correction, resolution 0.01mN/m, equipped with 24-bit AD converter and LVDT displacement Sensor, support automatic stop and averaging functions to ensure test Linearity and repeability accuracy.

$ 1397.00

Measurement range 0-200mN/m, accuracy +/- 0.02mN/m, support Automatic calibration and temperature compensation, real-time display test Linear dispersion and export Excel data.

$ 4188.00

Using platinum ring measurement, accuracy of 0.1mN/m, equipped with electronic level and automatic lifting system, eliminate vibration effects, support dynamic measurement and data management, to ensure experimental Repeatability and accuracy.

$ 2842.00

Using platinum ring measurement, accuracy of 0.001mN/m, lifting speed of 0~ 300mm/min adjustable, built-in electronic level and automatic measurement program to ensure data accuracy and Repeatability.

$ 6260.00

Measurement range 0-400mN/m, accuracy up to 0.1mN/m, support Automatic calibration and temperature compensation, real-time display of test Linear dispersion and export of Excel data.

$ 3107.00

Using platinum ring measurement, accuracy of 0.01mN/m, equipped with electronic level and automatic lifting system to ensure stable and reliable measurement process, support dynamic smooth operation to reduce vibration interference.

$ 3886.00

Using platinum plate method measurement surface tension, accuracy of 0.01mN/m, equipped with electronic level and automatic lifting system, measurement process without vibration interference, support dynamic speed adjustment and a variety of Data analysis functions.

$ 3886.00

Measurement range 0-200mN/m, resolution 0.01mN/m, with standard weight and standard material double calibrated, 32-bit ARM control to ensure operation accuracy, automatic stop and average function to improve operation efficiency.

$ 1332.00

Measurement range 0~ 180mN/m, accuracy 0.1mN/m, pure mechanical structure design, durable and easy to operate, suitable for teaching and laboratory use.

$ 961.00

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 ring test method, support standard weight and standard medium double calibration, Measurement range 0-200mN/m, accuracy +/- 1% FS, with automatic stop and average function, Repeatability is good.

$ 1526.00

Measurement range 0-500.0mN/m, accuracy 0.01mN/m, equipped with quartz glass strong acid and alkali resistance, automatic zero to maintain peak value, automatic calculation of Correction factor and average value, repeatability error is not greater than +/- 0.2%.

$ 1429.00

Using platinum plate method measurement, accuracy of 0.1mN/m, equipped with 7-inch Touchscreen and electronic level, support automatic lifting and data management, to ensure stable and reliable measurement.

$ 2842.00

Equipped with quartz glass, suitable for strong acid and alkali solution testing, Measurement range 0-200mN/m, Accuracy 0.01mN/m, automatic zero adjustment, peak holding and result calculation, repeatability error is not greater than +/- 0.2%.

$ 977.00

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.
Ultrasonic thickness gauge for detecting thick coatings and composite coatings.
Ultrasonic thickness gauges measure coating thickness using the principle of ultrasonic pulse reflection, calculating the result based on the propagation time of sound waves in the material and the speed of sound. When detecting thick coatings and composite coatings, challenges such as acoustic attenuation of the material, unknown sound speed, and signal recognition at multi-layer interfaces must be addressed.
Determination of Static Surface Tension of Color Coatings Using the Platinum Plate Method with a Surface Tensiometer
This article introduces the method of measuring the static surface tension of colored paints using the platinum plate method. It explains the principle, which involves calculating the surface tension by measuring the force when the platinum plate is lifted from the liquid surface.
Method for Determining the Reference Plane in the Measurement of Coating Thickness on Rough Substrates
This article primarily discusses how to determine the reference plane when measuring coating thickness on rough substrates. Due to the undulations of rough surfaces, the interface between the coating and the substrate is unclear, making it difficult to measure accurately using traditional methods.
Tensile testing machine for testing the bonding strength of wood plywood.
This article introduces the method for testing the bonding strength of wood plywood using a tensile testing machine. The test involves stretching plywood samples to measure the strength of the adhesive interface, in accordance with national standards such as GB/T 17657-2013.
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.
Tips for Cleaning and Maintaining the Platinum Plate/Ring of a Surface Tensiometer
In the field of laboratory testing, the measurement accuracy of a surface tensiometer largely depends on the cleanliness and intact condition of its key components—the platinum plate or platinum ring. This article explains how to maintain them.
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.