- Standalone
Run the measurements and read the results onscreen - Intuitive and easy to run
The software guides you in the measurement process - 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
- Products
- Attension
- Force Tensiometers
- Sigma 702
Force Tensiometer
Sigma 702
A standalone force tensiometer with automated sample stage for precise measurements. Easy to operate.
Measurements
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Surface and interfacial tension measurements Surface and interfacial tension measurements
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Density For liquid density measurements
Stand-alone with full automation
Key features
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Quick measurement
No need to use computer to run the instrument -
Instant Results
Results shown on the screen immediately after measurement is completed -
High precision
Comes with the super sensitive balance
Applications
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Chemicals
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Coatings
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Food & beverages
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Pharmaceutical
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Energy
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Environment
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A closer look
Dive into the specifics of Sigma 702 and compare it to our other instruments to make a smart decision on what you need.
Sigma 700 |
Sigma 701 |
Sigma 702 |
Sigma 702 ET |
Sigma 703 D |
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Available Measurements |
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Surface tension |
√ | √ | √ | √ | √ |
Interfacial tension |
√ | √ | √ | √ | √ |
Critical Micelle Concentration |
Automatic | Automatic | Manual | Manual | Manual |
Dynamic contact angle |
√ | √ | _ | _ | _ |
Surface free energy |
√ | √ | _ | _ | _ |
Powder wettability |
√ | √ | _ | _ | _ |
Density |
√ | √ | √ | √ | √ |
Sedimentation |
√ | √ | _ | _ | _ |
Balance Specifications |
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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 |
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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 |
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Temperature control range (° C) |
-20…+200 | -20…+200 | -20…+200 | -20…+200 | -20…+200 |
Stirrer |
√ | √ | – | – | – |
Software |
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Provided software |
OneAttension | OneAttension | Data receiver | Data receiver | Data receiver |
System Requirements |
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Recommended system requirements |
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Operating system requirements |
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Embedded Software and Data Receiver
Sigma 702 comes with a powerful embedded software that guides the user in the measurements 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
Add more possibilities
Check out accessories and modules available for Sigma 702. We selected a few favorites for you, but you can always find the whole list below.
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.
Platinum Wilhelmy plate
Platinum Wilhelmy plate with micro roughened surface.
Thermostatic vessel (from -20 to +200°C)
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 .
t705a
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.
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, 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 our in-depth knowledge associated with Sigma 702 for you. Learn more from our white papers and overviews.
- Attension
Surface and Interfacial Tension
- Attension
Surface Tension and Surfactants in Industrial Processes
- Attension
Surface and Interfacial Tension
- Attension
Using Contact Angle Measurements in Surface Research and Quality Control
- Attension