Biolin – Attension Theta Optical Tensiometers
Attension® offers leading contact angle and surface tension solutions for industrial quality control and R&D as well as for academic research. The core of Attension solutions is a combination of easy-to-use, smart instrumentation with broad surface science capabilities.
Attension® tensiometers inspire new discoveries and more confident decisions towards seamless production and higher quality products. With its intuitive user interface, slick design, and all-inclusive software, it is easy to operate with high flexibility and unrivaled automation options. Your investment also includes the support and knowledge from a world-leading surface science company with a proven record to drive progress within surface science worldwide.
Key Features
- Measures surface and interfacial tension accurately across various materials.
- Offers versatile functionality for both dynamic and static measurements.
- Ideal for applications in research, quality control, and material characterization.
Technical Specifications
| Available Measurements | Theta Flow | Theta Flex | Theta Lite |
| Static contact angle and captive bubble | ✓ | ✓ | ✓ |
| Batch contact angle | ✓ | ✓ | ✓ |
| Dynamic contact angle | ✓ | ✓ | ✓ |
| Meniscus contact angle | ✓ | ✓ | ✓ |
| Surface/Interfacial tension | ✓ | ✓ | ✓ |
| 3D surface roughness and roughness-corrected contact angle | ✓ | ✓ | – |
| Interfacial rheology | ✓ | ✓ | – |
| Surface free energy | Zisman Plot, OWRK/Extended Fowkes, van Oss Acid-Base, Wu, Neumann’s Equation of State, Schultz 1 and 2 | ||
Available Models
Attension Theta Flow is a premium contact angle meter suitable for demanding surface research and quality control. Enjoy a user-friendly instrument with a high level of automation and accuracy for user-independent results.
What you can measure
- Static contact angle: Sessile drop, captive bubble and meniscus methods
- Dynamic contact angle: Dynamic contact angle, advancing and receding contact angle, contact angle hysteresis and roll-off angle
- Surface free energy: Sessile drop, captive bubble and meniscus methods
- Surface- and interfacial tension: Pendant drop and reverse pendant drop methods
- Roughness-corrected contact angle and 3D surface roughness*: Fringe projection phase shifting method
- Interfacial dilatational rheology*: Pulsating drop method
*Optional Features
Attension Theta Flex is the contact angle meter that enables all measurements in one instrument. It is designed for reliable and repeatable measurements of wettability and adhesion, even in the most demanding industrial and research applications.
What you can measure
- Static contact angle: Sessile drop, captive bubble and meniscus method
- Dynamic contact angle: Dynamic contact angle, advancing and receding contact angle, contact angle hysteresis and roll-off angle
- Surface free energy: Sessile drop, captive bubble and meniscus methods
- Surface- and interfacial tension: Pendant drop and reverse pendant drop methods
- Roughness-corrected contact angle and 3D surface roughness*: Fringe projection phase shifting method
- Interfacial dilatational rheology*: Pulsating drop method
*Optional Features
Attension Theta Lite is a compact and robust contact angle meter for simple and precise quality control and basic wettability research. The high accuracy is obtained with high quality mechanics combined with an automatic or manual droplet creation.
What you can measure
- Static contact angle: Sessile drop, captive bubble and meniscus methods
- Dynamic contact angle: Dynamic contact angle, advancing and receding contact angle, contact angle hysteresis and roll-off angle
- Surface free energy: Sessile drop, captive bubble and meniscus methods
- Surface- and interfacial tension: Pendant drop and reverse pendant drop methods
- Roll-off angle
- Batch contact angle
Biolin Attension Theta Flex
Biolin Attension Theta Lite
Biolin Attension Theta Flow
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