Attension Theta optical tensiometer
The Attension Theta is a versatile optical tensiometer used to characterise material surfaces and interfaces between gas, liquid and solid phases. It measures static and dynamic contact angle, 3D surface roughness, surface free energy, surface and interfacial tension, and interfacial rheology. The product is used in research, development and quality control in a variety of industries such as chemicals, pharmaceuticals, electronics, foods and energy.
A series of upgrades has now been developed for the Attension Theta. One of these upgrades is a dual dispensing system which utilises two disposable tip dispensers. This allows the user to quickly determine surface free energy (SFE), which provides valuable information about the surface chemistry. The automatic disposable tip dispenser makes cleaning easy while also enabling the drop volume to be dispensed precisely by calculating the droplet volume from the live image.
A further upgrade includes the product’s camera, which offers advanced imaging to capture fast wetting phenomena up to 3009 fps and experience precise drop shape analyses with 1984 x 1264 pixel resolution. This is included in every system.
The device can be combined with a 3D topography module that is said to take the wettability and adhesion analysis to another level. It is claimed to be the first system that can measure both contact angle and surface roughness of the sample in a single measurement — and calculate the contact angle without the effect of the roughness.
For more information: https://www.atascientific.com.au/products/attension-theta/.
Phone: 02 9541 3500
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