MTS Fundamental Video Extensometer - Manual (Page 23)

Starting the Video Extensometer
Fundamental Video Extensometer 23
7. If a Telescopic column (motorized column) is available, it can be controlled
by the software to follow the marks on the specimen to measure the strain in
the longitudinal direction, until the space between the markers is too large
for the image field of the camera.
8. To record the images at various intervals during the test:
A. At the start and the end of the test by checking the corresponding
checkbox. The suffix _beginning is added to the name of the first
image, and the suffix _end is added for the last image.
B. During the test, it is possible to save the image with an interval of
strain. The interval being defined in the Seconds field, after checking
the Automatic checkbox. For filenames, the software adds the image
number and the suffix _longitudinal-strain-value.
C. These images will be saved in the Directory
of the logged in user.
To further define the image filename, you must enter a desired name in the
Name for the images field; for example the specimen batch number or
operator name.