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Ring method measurements
Display
Immersing
Measuring
Displays the
measured value
Relaxing
Finished
Displays the final
results:
Average (mN/m)
Standard
deviation (mN/m)
Temperature (°C)
Action
Immerses the probe to the given
immersion depth.
automatic
Returns to the found surface
height.
Records the measured value:
automatic
The sample vessel containing the
liquid moves down until a
maximum force is registered. The
vessel is moved back upwards; the
value of the maximum force is now
determined exactly.
The liquid is moved upwards again
until the maximum force is reduced
by the percentage value given
under
automatic
The steps
Relaxing
measurement has been
completed.
The measurement is complete.
automatic
The data found are used to display
the mean value of the surface
tension, the standard deviation
and the temperature.
Explanation
Relaxation
.
Measuring
and
are repeated until all the
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