Step-by-Step Guide for Using Kruss Goniometer Contact Angle Analyzer
Kruss Goniometer
(Contact Angle)
Yong Kyun Lee
ylee64@asu
.edu
•
Double click “Drop Shape
Analysis” icon to start the
control software.
•
Click “video” button
•
Click “Options”
•
Select “Drop Type”
•
Choose “Sessile Drop”
•
Stage up to load a
substrate
•
Load the sample
•
Stage up the sample
close to the needle
(do not touch the
needle with the
sample)
Stage down
Stage up
•
Stage up the sample close
to the needle
•
Move the stage until it is
just below the sample
•
Adjust the camera focus so
that the edges of the
needle are as sharp as
possible.
boundary of the top surface
•
Click the “arrow up” button to increase
a water drop size
•
Stop deposition when it reaches the
surface
•
Stage down to
place the
water drop in
the middle
•
Click the “arrow down” button to
remove the water drop at the end of
the needle
•
Click the “focusing assistant”
button to increase video
contrast (brightness) with the
page up and down button
•
Click the “baseline” button in
order to determine the baseline
automatically
1
2
•
Click “Profile”
•
Select “Contact Angle
Using”
•
Choose “Circle Fitting”
•
Check “Contact Angle”
•
Minimize the
brightness with the
page down button
when your
measurements are
complete.
•
Close the software
Detailed instructions on how to operate a Kruss goniometer contact angle analyzer. Learn how to set up the equipment, prepare the sample, adjust camera focus, measure contact angle, and analyze the results. Follow each step carefully to achieve accurate measurements.
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Presentation Transcript
Kruss Goniometer (Contact Angle) Yong Kyun Lee ylee64@asu.edu
Double click Drop Shape Analysis icon to start the control software.
Stage up to load a substrate Load the sample Stage up the sample close to the needle (do not touch the needle with the sample) Stage down Stage up
Stage up the sample close to the needle Move the stage until it is just below the sample Adjust the camera focus so that the edges of the needle are as sharp as possible. boundary of the top surface
Click the arrow up button to increase a water drop size Stop deposition when it reaches the surface Stage down to place the water drop in the middle
Click the arrow down button to remove the water drop at the end of the needle
Click the focusing assistant button to increase video contrast (brightness) with the page up and down button 2 1 Click the baseline button in order to determine the baseline automatically
Click Profile Select Contact Angle Using Choose Circle Fitting Check Contact Angle Minimize the brightness with the page down button when your measurements are complete. Close the software
