Here you can find a comparison chart of the technical specifications of the Attension Sigma Force Tensiometers product range.

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

Available Measurements 

Surface tension

      √        √        √        √        √

Interfacial tension

       √        √        √        √        √

Critical Micelle Concentration

 Automatic  Automatic  Automatic  Automatic  Automatic

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)