Hach AutoCAT 9000 - Page 98

Free Chlorine
Free Chlorine
Page 96
50081_Chlorine_Free_Forward.fm
13. The Start Timer will
start.
The electrode will stabilize
before data collection.
14. The Zoom Range
Determination window will
display the titration curve.
Select and move the cursors
to define the range of data
points for analysis.
Note: Defining the range of
data points allows the user to
exclude undesirable portions
of the titration curve from
the analysis.
15. Select the type of end
point determination.
Press
CHECK MARK for
Automatic. and proceed to
step 18 or press
DEL for
Manual.
Note: Automatic determination
attempts to identify linear
segments without user input.
Note: This screen is not
displayed if the Auto-detection
software is enabled.
16. Use the navigation keys
to select two line segments,
one on each side of the
titration end point, at the
beginning and end of each
segment.
Press the
CHECK MARK to
confirm changes or press
DEL to return to the previous
window.
Note: For more information on
manual EP determination, see
page 135.
17. Press the CHECK MARK
to accept the analysis.
Proceed to step 19 or press
DEL to return to the previous
window (Zoom range
determination) to adjust the
linear segments and
reanalyze the data.
18. The AutoCAT will
perform the analysis based
on the automatic selection
of linear segments.
Note: The automated analysis
requires approximately
60 seconds to complete.
19. Press the CHECK MARK
to accept the analysis or
press
DEL to return to the
previous window (Zoom
range determination) to
adjust the linear segments
and reanalyze the data.
20. The analysis for this test
is complete.
Press
1 to select Continue or
press
2 to select More Details
to view analysis statistics
specific to the current
Sample ID.