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page 54 Ring method measurements
8.3 Measuring surface tension by the ring method
Check whether all the requirements contained in the check list (
Ö
ch. 6.5) have
been met.
Select the measuring mode
SFT
. Start the measurement with ENT key.
The following table shows the course of the measurement:
Ring method: Surface Tension
Display Action Explanation
Sample:
insert the sample
and enter a name
Insert the sample
and use the keypad
to enter a sample
name. Maximum 22 characters
Only if defined in
Setup:
In succession
Field
1
,
Field 2
,
Field 3
Enter the required
contents in the text
fields The text fields, whose number is
defined in Setup, are called up in
succession (max. 3) and are used
to describe the measurement. The
text fields can be named in
LabDesk and these fields assigned
to the corresponding data of the
current measurement.
User:
please enter a
name
Use the keypad to
enter an operator
name. Maximum 22 characters
Taring
automatic
Taring the probe above the liquid
surface
Searching
automatic
Searches for the surface: the liquid
is moved upwards until the probe
“jump“ is registered. The surface
position is stored.