Hach DR 5000 Scanner User Manual


 
102
Advanced Operations
Time & interval:
1. Press Time & Interval in the Options menu.
2. Input the total time and the reading time and press OK to
confirm.
Note: In total 500 measuring steps are possible. To select a total time and
a time interval that would cause this number of measurements to be
exceeded, the time interval is defined automatically and the OK key is
inactivated.
Scale & units:
1. Press Scale & Units in the Options menu.
2. Highlight Abs or %T as the required units.
3. Highlight Auto or Manual scaling on the graph´s y-axis.
Note: If manual scaling is selected, use the alphanumeric keypad to set the
limits y
min.
and y
max.
. The graph is adjusted to display only the values in the
selected range. If automatic scaling is selected, the instrument sets the
limits automatically so that the total range can be displayed.
4. Press OK to confirm.
5. Press Return to return to the scan mode.
6.7.2 Time course scan reading
After the parameters have been selected, the instrument must be
blanked, then the sample can be analyzed.
1. Insert the blank cuvette/cell into the cuvette/sample cell holder.
Press Zero. The blank reading is shown on the display.
2. Insert the sample cuvette/cell into the cuvette/sample cell
holder. Press Read. Start collecting time course (kinetic) data.
Note: During the measurement the Zero and Read keys change to
Mark and Stop.