LABEC M-TIT-5 - Manual (Page 34)

For the title of mode, user is allowed to key-in some necessary description so that user can
remember the name of the mode in next input and amendment. User could key-in 20 figures mostly.
One the top of the screen is title column. In the square down the title column is word symbol chart.
There is a curser in the chart to indicate the position of input symbol. Press ‘﹤’ or ‘﹥’ to move
curser or press title frame directly, meter will calculate automatically and move curser to relative
position. User could press letter in the chart directly to key-in the title.
When input finished, press ‘Enter’ button, meter will generate mode through input title and titration
data and display ‘Mode in Store…’ When storing finished, user could use this mode to make
titration in future mode of titration.
Note: If titration finished and the titration has end point, meter will add ‘Mode’ in menu
automatically otherwise meter will not display mode menu. The same, ‘Concentration’ in menu also
has this limitation.
8.1.3 Concentration of Sample
Concentration value of sample is calculated as follows:
0
*
V
V C
C EP S

In which: C is concentration value of sample
C
s
is concentration of titrant
V
EP
is titrant volume consumed corresponding to end point
V
0
is sample volume
In viewing status, press ‘Concentration’ in menu, select ‘Concentration of Sample’ and press ‘Enter’
button to calculate the concentration of sample. Displaying as follows:
Store Mode Concentration End point Print About
Concentration of Sample
Sample Concentration
Volume of Titrant
Diag.43 Display of calculation of sample concentration
33