measurements

  • Sessile drop For static contact angle measurement of a liquid droplets
With additional add-ons, other measurement modes can be integrated.

Designed for measurements on small areas

Minimum drop diameter
Less than 100 um
Single fibers and small components
Measured conveniently

Key features

  • High magnification

    Accurate visualization of the drop

  • Autofocus

    Keeps the drop in focus throughout the measurement

  • Best in class camera with DropletPlus

    superior image quality even with high magnifications

  • Upgradable with high accuracy automated stage

    Enables pre-programmed measurements on several spots in a row

  • Modularity

    Easy switch between regular and picoliter drop measurements

  • Free software upgrades and unlimited licenses

    All-inclusive software that never gets old
All-inclusive system

Software that is all-inclusive, with unlimited licenses and free updates!

Every Attension Optical Tensiometer is complemented by seamlessly integrated sophisticated OneAttension software. Our software updates are effortlessly automatic and, best of all, completely complimentary.

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Applications

  • Electronics
  • Paper & board
  • Biotechnology & medical devices

A closer look

Theta Pico is based on the high-end Theta Flow which is characterized by its high automation level, ease of use, and high-end accuracy. It can also be used with the versatile Theta Flex contact angle meter. Check out the system specifications below.

 
Theta Flow
Theta Flex

Available Measurements
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

Software and hardware
Measuring range (°, mN/m)
 0…180, 0.01…2000 0…180, 0.01…2000
Accuracy (°, mN/m)
 ±0.1, ±0.01 ±0.1, ±0.01
Maximum sample size (mm)
 Unlimited×100×320 Unlimited×100×320
Integrated sample holders
√
√
Maximum resolution (px)
 2592 x 2048 (5 MP) 1984 × 1264 (2.3 MP)
Maximum measuring speed (fps)
 3422 3009
Camera
 CMOS 1'' USB 3.0 digital camera with zoom CMOS 2/3'' USB 3.0 digital camera with zoom
Image focusing
 Software-controlled autofocus, manual fine focus in optics Manual fine focus in optics
Image quality
 Enhanced with DropletPlus technology, native Native
Camera protection
 Inside instrument covers Inside instrument covers
Camera view angle (°)
  -4.5 ... 2.5, with digital scale  -4.5 ... 2.5, with mechanical scale
Light source and size
 LED based homogeneous background lighting, 62 x 62 mm LED based homogeneous background lighting, 62 x 62 mm
Field of view (Ø, mm)
 1.44…45.3 1.44…32.3
Measurement indicator LED
√
√
Integrated touch display
√
-
Environment monitoring
 Integrated digital ambient temperature, relative humidity and system levelness sensors
-
Disposable tip dispensing
√
√
Software

OneAttension, includes all measurement modes

OneAttension, includes all measurement modes 
Dimensions — Basic frame (L×W×H, mm)
 765 x 230 x 435  765 x 230 x 435 
Weight — Basic frame (kg)
 29 26
Power supply (VAC)
 100...240 100...240
Frequency (Hz)
 50...60 50...60
 
Dispenser
Droplet placement
Sample stage
Camera
Possible upgrades
Special features
Theta Flow Auto 5
 
 Auto, 4 liquid Auto Auto XYZ 2592 x 2048 px, max 3422 FPS Full Autofocus Touch display Environment tracing Measurement indicator
Theta Flow Auto 4
 Auto, 2 liquid Auto Auto XYZ 2592 x 2048 px, max 3422 FPS Full Autofocus Touch display Environment tracing Measurement indicator
Theta Flow Auto 3
 Auto, 2 liquid Auto Auto X, Manual YZ 2592 x 2048 px, max 3422 FPS Full Autofocus Touch display Environment tracing Measurement indicator
Theta Flow Auto 2
 Auto, 1 liquid Auto Auto X, Manual YZ 2592 x 2048 px, max 3422 FPS Full Autofocus Touch display Environment tracing Measurement indicator
Theta Flow Auto 1
 Auto, 1 liquid Auto Manual XYZ 2592 x 2048 px, max 3422 FPS Full Autofocus Touch display Environment tracing Measurement indicator
Theta Flex Auto 4
 Auto, 2 liquids Auto Auto XYZ 1984 × 1264 px, max 3009 FPS Full Measurement indicator
Theta Flex Auto 2
 Auto, 2 liquids Auto Auto X, Manual YZ 1984 × 1264 px, max 3009 FPS Full Measurement indicator
Theta Flex Auto 1 
 Auto, 1 liquid Auto Manual XYZ 1984 × 1264 px, max 3009 FPS Full Measurement indicator
Theta Flex Plus
 Auto, 1 liquid Manual Manual XYZ 1984 × 1264 px, max 3009 FPS Full Measurement indicator
Theta Flex Basic
 Manual Manual Manual XYZ 1984 × 1264 px,  max 3009 FPS Full Measurement indicator

OneAttension Software

OneAttension software is a fine combination of a very intuitive interface and high functionality. Follow your experiment live and get the results within seconds. Automatic focus tracking and picture enhancement included. Let's have a look at the features!  [video, same as what we have for Theta Flow at this same place] 

 

OneAttension Features

  • Autofocus keeps the picture sharp
    Less user-dependency, more accuracy
  • User-friendly interface
    To get you going in no time
  • Automatic baseline detection and drop shape fitting
    For user-independent precision
  • Seamless interplay with integrated touch screen
    Set up your measurements in seconds
  • Optimized image quality
    Ultra-high resolution image optimized with DropletPlus technology for reliable results
  • Batch contact angle mode
    When you have plenty of tests to run in no time
  • Monitors the measurement environment
    High traceability of results linked to measurement conditions 

Add more possibilities

Have a look at a few of the additional modules compatible with the New Dispensers from Attension Theta Pico. You can find the full range of accessories below.  

t316

3D Topography Module

The unique 3D Topography module takes the wettability and adhesion analysis to a completely new level by measuring both contact angle and surface roughness of the sample in a single measurement. Distinguish the effect of roughness on contact angle and surface free energy. 

t317

Measuring Chamber, electrically heated, 250° C

Thermostatted electrically heated measuring chamber for air phase temperature control of substrate and drop. 

c204a

Tilting cradle

A software controlled tilting cradle. Used for studying dynamic contact angles. Tilting range from 0 to 90° and tilting resolution 0.1°. 

What others say

Our instruments are present at many prestigious universities and research facilities worldwide. Take a minute to find out what others say about Theta Pico. 

citat8

 

Mika LatikkaPhD, Postdoctoral Researcher, Soft Matter and Wetting. Aalto University

”The touch display in Theta Flow makes measurement preparation faster and simpler. Actions like changing the sample and sample liquid are greatly facilitated which allows increasingly efficient measurements.” 
Aalto_University_logo-sv

Aalto University, Finland

Aalto University is a top Finnish university combining science, technology and arts into a collaborative environment for both scientific communities and companies. Our contact angle meters and tensiometers have been used there in research for decades. 

 

citat8

 

Researcher at MIT

“The reproducibility of the measurements acquired is excellent even with the lowest surface energy values and the tensiometers are quite flexible with regards to sample size. The software is also very useful and the customer support for the products is excellent.”

MIT-logo-gray-lightgray

MIT, USA

MIT, Massachusetts Institute of Technology, is a world-leading research university with a mission to advance knowledge and educate students in science and technology. MIT use our tensiometers to study contact angles and interfacial energy. 

Learn more

We have gathered all our in-depth knowledge associated with Theta Pico. Browse around amongst overviews, case studies, videos, and white papers to find a topic of your interest.  

  • Attension
Surface Free Energy Methods
Overview

Surface Free Energy Methods

You get an introduction to surface free energy methods and a comparison chart.

Get it
  • Attension
Superhydrophobic and Superhydrophilic Surfaces for Cell Trapping
Webinar

Superhydrophobic and Superhydrophilic Surfaces for Cell Trapping

Check out the webinar by Ville Jokinen, PhD from Aalto University on Superhydrophobic and Superhydrophilic Surfaces for Cell Trapping

Go there
  • Attension
Determination of Optimal Plasma Treatment Time of Polypropylene
Case Study

Determination of Optimal Plasma Treatment Time of Polypropylene

Learn how contact angle and surface free energy can be utilized to determine the optimum plasma treatment time.

Get it
  • Attension
Wettability Measurements in Biomedical Applications
White Paper

Wettability Measurements in Biomedical Applications

Read how wettability measurements have been utilized in biomedical research

Download
  • Attension
Contact Angle Measurements in Electronics
Overview

Contact Angle Measurements in Electronics

Learn how contact angle measurements can be utilized in electronics.

Get it
  • Attension
Evaluation of Biomedical Coatings with Contact Angle Measurement
Case Study

Evaluation of Biomedical Coatings with Contact Angle Measurement

Learn how contact angle measurements can be used to evaluate biomedical coatings.

Get it
  • Attension
Surface Free Energy - What is it and how to measure it?
White Paper

Surface Free Energy - What is it and how to measure it?

We explain the concept of surface free energy and present the most important theories behind it.

Download
  • Attension
Surface Free Energy in Practice
Webinar

Surface Free Energy in Practice

We give you the reasons why to measure surface free energy and show how it is done.

Go there
  • Attension
Wettability of Contact Lenses
Overview

Wettability of Contact Lenses

Get an overview of wettability and contact angle on contact lens and an introduction to captive bubble method.

Get it
  • Attension
Using Contact Angle Measurements in Surface Research and Quality Control
Webinar

Using Contact Angle Measurements in Surface Research and Quality Control

Get an understanding about how contact angle measurements are utilized in industry to optimize and control surfaces.

Go there
  • Attension
Effect of Temperature and Pressure on Wettability of Solids
Webinar

Effect of Temperature and Pressure on Wettability of Solids

Listen to Professor Zhenghe Xu sharing his knowledge on bitumen recovery.

Go there
  • Attension
The Importance of Contact Angle in Industry
Overview

The Importance of Contact Angle in Industry

Get examples of how contact angle measurements are utilized in different industries.

Get it