In a hurry?

Discover Attension Sigma 700/701 and all of its advantages in this 2 minutes long video.

Measurements

  • Dynamic contact angle For advancing and receding angles
  • Surface and interfacial tension measurements Surface tension/interfacial tension with Du Noüy ring, Wilhelmy plate or rod
  • Powder wettability Powder wettability by the Washburn method Sigma 700 is recommended for this measurement.
  • Density For liquid and solid density measurements
  • Sedimentation For sedimentation kinetics
  • Adhesion Force For adhesion studies
  • CMC CMC for critical micelle concentration measurement Requires additional dispensers

Two balance options

Sigma 700
For higher load and automated calibration
Sigma 701
For superior balance resolution

Key features

  • Fully Automated

    Measurements with one click
  • Multiple probe options

    To cover all your measurement needs
  • High precision sample stage

    For full control of the measurement
All-inclusive system

Software made with you in Mind

sigma gif for produt page 2

Experience the seamless combination of intuitive interface and powerful functionality with OneAttension. It provides live analysis, complete automation, and flexible measurement settings. Simplifying analysis with straightforward data management and industrial-grade reporting.

Applications

  • Chemicals
  • Coatings
  • Food & beverages
  • Batteries
  • Biotechnology & medical devices
  • Pharmaceutical
  • Paper & board
  • Environment
  • Oil & gas
  • Electronics
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A closer look

Dive into the specifics of Sigma 700/701 and compare them to each other to make a smart decision on what you need. Sigma 700 and 701 have full support of all measurement modes, making them adaptable to all measurements and applications. However, they are also optimized for different experiments. Sigma 700 is the optimal choice especially for powder wettability and contact angle experiments. Sigma 701 is a great choice for surface tension and interfacial tension experiments due to its very high sensitivity.

 
Sigma 700
Sigma 701
Sigma 702
Sigma 702 ET
Sigma 703 D

Available Measurements 

Surface tension

      √        √        √        √        √

Interfacial tension

       √        √        √        √        √

Critical Micelle Concentration

 Automatic  Automatic  Manual  Manual  Manual

Dynamic contact angle

       √        √       _      _       _

Surface free energy

       √        √      _      _       _

Powder wettability

       √        √       _       _       _

Density

       √        √        √        √        √

Sedimentation

       √        √       _       _       _

Balance Specifications 

Measuring range (mN/m)

1…2000 1…2000 1…1000 1…1000 1…1000

Displayed resolution (mN/m)

0.001 0.001 0.01 0.01 0.01

Density range (g/cm3)

0…2.2 0…2.2 0…2.2 0…2.2 0…2.2

Density resolution (g/cm3)

0.0001 0.0001 0.0001 0.0001 0.0001

Maximum load (g)

210 5 5 5 5

Weighing resolution (mg)

0.01 0.005 0.01 0.01 0.01

Force resolution (µN)

0.1 0.05 0.1 0.1 0.1

Contact angle range (°)

0…180 0…180        –        –        –

Contact angle resolution (°)

0.01 0.01        –        –        –

Calibration & Locking

Automatic Manual Manual Manual Manual

Measuring Unit Specifications    

Sample stage

Motorized Motorized Motorized Motorized Manual

Sample stage speed (mm/min)

0.01…500 0.01…500 0.01…500 0.01…500        –

Stage positioning resolution (µm)

0.016 0.016 0.26 0.26        –

Dimensions (L×W×H, cm)

33.3×24.4×62 33.3×24.4×62 33.3×24.4×62 33.3×24.4×62 27.5×15.5×39.

Weight (kg)

16.3 13 10.7 10.7 4.9

Power supply (VAC)

85…264 85…264 85…264 85…264 100…240

Power consumption (W)

13 13 13 13 7

Frequency (Hz)

47…440 47…440 47…440 47…440 50…60

Common Accessories

Temperature control range (° C)

-20…+200 -20…+200 -20…+200 -20…+200 -20…+200

Stirrer

       √        √        –        –        –

Software

Provided software

OneAttension OneAttension Data receiver Data receiver Data receiver

System Requirements 

Recommended system requirements

  • 1 GHz processor
  • 1 GB RAM
  • 40 GB hard disk drive (20 GB free)
  • 1 USB-port
  • Accessories such as water bath and liquid dispenser may require a free USB port

Operating system requirements

  • Windows 7 & 8 &10 (32 or 64 bit)
  • Windows Vista (32 bit)

OneAttension Software

We made our software for Sigma 700/701 with you in mind. It is a fine combination of a very intuitive interface and high functionality. Follow your experiment live, and get the results within seconds. OneAttension is analyzing made easy. Let's have a look at the features! 

1

 

OneAttension Features

  • Best in class interface
    The software is easy to learn, and the logical interface allows even complex measurements to be performed with ease
  • Live analysis
    The results are shown real-time during the measurement. You can conveniently monitor your results without the need to switch between measurement and analysis tabs
  • Full automation
    OneAttension supports fully automatic measurements.
    Powerful recipe manager makes measurement setting
    convenient and simple
  • Flexibility for every need
    OneAttension has been designed to meet the requirements of almost any applications you may have. You can easily adjust measurement parameters to match your specific application needs
  • Data handling and exporting made simple
    Data analysis, plotting, and statistical analysis can all be done with a few clicks to give you accurate results within seconds. All data can easily be exported further to Excel, for example
  • Optimal for industrial use
    Measurement reports can be created with a few clicks and the user manager conveniently handles all different users – with desired privacy levels.

Add more possibilities

What extras do you need in your research? Here are a few of our most common accessories and modules. See them all below.  

t106

Platinum Du Nouy ring

Pt-Ir-ring made to fulfill the requirements at least in following standards; ISO 301, ISO 4311, ISO 6889, ASTM D1331 and ASTM D 971. Includes also additional weight for push-mode.

T107

Platinum Wilhelmy plate

Platinum Wilhelmy plate with micro roughened surface.

t112a

Powder wettability measuring device, steel, Sigma 700 only

Sample vessel to hold the sample powder, only for Sigma 700. Perforated bottom to support filter paper and to allow liquid penetration into bulk powder, porous solids or fiber bundles. Adjustable packing piston for reproducible packing. Used in measurement of sorption behaviour. Includes one package of filter paper (T112B).

t705a

Thermostatic vessel (from -20 to +200°C)

For temperature control of the sample liquid. A heat exchange vessel with fluid jacket type of construction. Heating/cooling of the fluid jacket requires external bath/circulator, not included in T705A. Fits glass sample vessel 70 mm in diameter (T104).

t101

Dispenser, Schott Titronic 20ml

A computer controlled and software operated dispenser for automatic measurements of CMC. Two T101 dispenser are highly recommended for a fully automatic dilution measurement but the measurement can also be performed using only one dispenser by concentrating sample liquid. USB interface to PC.

What others say

Our instruments are present at many prestigious universities and research facilities world wide. Take a minute to find out what others say about Sigma instruments. 

citat8

 

Researcher at Riken

"We wanted the most accurate force tensiometer on the market for our research on surface tension. Our in-depth testing of the Attension force tensiometer convinced us: it is the one."

RIKEN_logo-sv

Riken, Japan

Riken is a Japanese research institute established in 1917. Its research areas include physics, chemistry, biology, medical science, engineering and computational science.

Learn more

We have gathered all our in-depth knowledge associated with Sigma 700/701. Browse around amongst webinars, overviews and white papers to find a topic of 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
Contact Angle - What is it and how do you measure it?
White Paper

Contact Angle - What is it and how do you measure it?

Learn more about one of the most used measurement method to study the wettability of the surface.

Download
  • Attension
Surface and Interfacial Tension
White Paper

Surface and Interfacial Tension

Study the different measurement methods to select the best choice for your application.

Download
  • Attension
Surface Tension and Surfactants in Industrial Processes
Webinar

Surface Tension and Surfactants in Industrial Processes

Get an overview of how surfactants are used in industrial processes.

Go there
  • Attension
Sigma 700 / 701 online demo
Demo

Sigma 700 / 701 online demo

Get a walk-through of Sigma 700/701, our most versatility and high level of automation.

  • 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
Surface and Interfacial Tension
White Paper

Surface and Interfacial Tension

Learn what it is and read our review of the most commonly used measurement techniques.

Download
  • 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
Wettability in Li-ion batteries
Overview

Wettability in Li-ion batteries

This overview gives a short introduction to wettability in Li-ion batteries.

Get it
  • 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
Critical Micelle Concentration  - What is it and how to measure it?
Overview

Critical Micelle Concentration - What is it and how to measure it?

Learn more about critical micelle concentration and how it can be measured with surface tension measurements

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
Powder Wettability - How to Measure Contact Angle of Powders
Webinar

Powder Wettability - How to Measure Contact Angle of Powders

We review some of the most commonly used methods and their suitability for different applications.

Go there
  • Attension
The Importance of Surface Tension in Industry
Overview

The Importance of Surface Tension in Industry

Detergents, paints, food. We give you examples to how surface and interfacial tension measurements are utilized in different industries.

Get it
  • Attension
Powder Wettability
Overview

Powder Wettability

Explains two most common ways to measure wettability of powders.

Get it
  • 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
  • Attension
Optimizing Battery Materials with Attension Force Tensiometer for Efficient Manufacturing
Webinar

Optimizing Battery Materials with Attension Force Tensiometer for Efficient Manufacturing

Learn how the Sigma 700 force tensiometer can be leveraged to improve battery manufacturing

Go there