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The DataPhysics OCA 20 is a fully automatic image capture system, in addition to contact angle measurements, it can calculate the surface and interfacial tension of liquids by means of a pendant drop method or for high-viscous materials by use of a Lamella method. The main advantage being its relative ease and quickness of operation.
Contact angle meters (also known as optical tensiometers or goniometers) allow direct measurements of surface tension, interfacial tension and contact angles. Contact angle is an extremely versatile technique used for characterization of both liquids and solids. The Contact Angle Meter (optical tensiometer) is an ideal industrial or academic tool for product development engineers, R & D engineers who need …
Manual,automatic,multi-dosing. Drop Shape Analysis System DSA30 is a middle level series of Contact angle instrument for research and quality control applications. These measuring instruments are commonly used to measure surface free energy, contact angle, roughness and surface tension.
The contact angle measurement utilises the static sessile drop method to determine the contact angle a known liquid makes with an interface. If multiple liquids are used, the instrument’s software can be used to calculate surface free energy (both dispersive and polar components). This information can be used to determine the wettability of a …
Holmarc’s Contact angle meter Model no: HO-IAD-CAM-01 is a basic educational equipment for illustrating the basics of contact angle measurement to students. It has manual dispensing with camera interface for measuring contact angle of liquids on solid surfaces. The surface over which contact angle is to be measured is held in horizontal position to …
The contact angle is a measure of the ability of a liquid to wet the surface of a solid. The shape that a drop takes on a surface depends on the surface tension of the fluid and the nature of the surface. At the boundary between droplets and the gaseous environment, the surface tension causes a curved contour.
The contact angle measurement with the force tensiometer is based on so-called Wilhelmy plate method. Force tensiometer measures the mass affecting to the balance when a solid sample is brought in contact with the test liquid. The contact angle can then be calculated when the surface tension of the liquid and the perimeter of the sample are known.
Contact angle meter Contact angle measurement was used for measuring the contact angle of a liquid on a solid, which wettability of liquid on the solid. C ontact angle goniometer can measure the contact angle of various liquids of various materials.
The contact angle or wetting angle is determined by the interaction between the surface tension of a liquid and the surface energy of a solid. The manner in which liquid droplets behave on a surface can predict the behaviors of this surface. In practice, a drop of liquid is placed on a surface and the contact angle is measured.
Holmarc’s Contact angle meter Model no: HO-IAD-CAM-01 is a basic educational equipment for illustrating the basics of contact angle measurement to students. It has manual dispensing with camera interface for measuring contact angle of liquids on solid surfaces.