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Discover Attension Sigma 702ET and all of its advantages in this 2 minutes long video.
702ET

Measurements

  • Surface and interfacial tension measurement Du Noüy ring method
  • Density For liquid density measurements.

Quality control of transformer oil

Measurements according to standards
Follow ASTM D971 or IEC 62961 standards
Integrated user guidance
Low barrier to operate

Key features

  • Instant Results

    Results shown on the screen immediately after measurement is completed

  • High precision

    Comes with the super sensitive balance

  • Automation

    Let the instrument to do the work for you

Applications

  • Energy
  • Chemicals
  • Coatings
  • Food & beverages
  • Pharmaceutical
  • Environment
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A closer look

Dive into the specifics of Sigma 702ET and compare it to our other instruments to make a smart decision on what you need. 

Compare Attension Force Tensiometer range

 
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)

 0.001 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)

Embedded Software and Data Receiver

Sigma 702ET comes with a powerful embedded software that guides the user in the measurements according to the relevant standards and shows the results on the integrated screen. Data can be also stored in PC with Data Receiver software for additional data storage and reporting.

Software Features

  • Standalone
    Run the measurements and read the results onscreen
  • Intuitive and easy to run
    The software guides you in the measurement process according to ASTM D971 and IEC 62961 standards
  • Versatile data storage
    Read the results onscreen, send them to PC or print them out with an optional printer
  • Automated
    Set the parameters and press start, everything else will be done for you

Add more possibilities

Simplify your work and explore more with these selected extras for Sigma 702ET. You can find the full range 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.

t705a

Thermostatic vessel

Chamber made from Teflon and Aluminum 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 (T102ME or T102USB). Fits glass sample vessel 70 mm in diameter (T104). Operable temperature range from -20 to +200°C .

t702pr

RS232-compatible printer

For printing results directly from instrument into paper.

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 our Sigma Instruments. 

citat8

 

Researcher at Riken, Japan

“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 702 ET. Browse around amongst webinars, overviews and white papers to find a topic of interest.