Sigma 703D | Attension | Force Tensiometers

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Discover Attension Sigma 703D and all of its advantages in this 1 minute long video.

Measurements

Surface and interfacial tension measurements Surface tension/interfacial tension with Du Noüy ring and Wilhelmy plate.
Density For liquid density measurements.

Manual stand-alone tensiometer with electronic balance

Ease of use

Low barrier to measure

Automatic correction

With Huh-Mason and Zuidema-Waters

Key features

High precision

Comes with the super sensitive balance
Quick measurement

No need to use computer to run the instrument
Instant Results

Results shown on the screen immediately

Applications

Chemicals
Coatings
Food & beverages
Pharmaceutical
Energy
Environment

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A closer look

Dive into the specifics of Sigma 703D 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
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)

Embedded Software and Data Receiver

Sigma 703D 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

Standalone
Run the measurements and read the results onscreen
Intuitive and easy to run
Ready to measure right out of the box
Versatile data storage
Read the results onscreen, send them to PC or print them out with an optional printer
Precise
High end digital balance ensures your results are reliable

Add more possibilities

Check out accessories and modules available for Sigma 703. We selected a few favorites for you, but you can always find the complete 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 .

RS232-compatible printer

For printing results directly from instrument into paper.

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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, Japan

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