Biolin - Attension Theta Optical Tensiometers

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 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

Biolin Attension Theta Flow

Biolin Attension Optical Tensiometers Theta Flow

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

Biolin Attension Theta Flex

Biolin Attension Optical Tensiometers Theta Flex

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

Biolin Attension Theta Lite

Biolin Attension Optical Tensiometers Theta Lite

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