Hach DR 2800, Руководство пользователя, Страница: 55 / 96

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Advanced Operations
Upper and Lower limits of the Measuring Range
Enter a maximum (upper) and minimum (lower) measurement
value to define when an error message is displayed for readings
above the upper limit or below the lower limit.
1. Highlight the appropriate line in the overview of the program
data and press
EDIT
.
2. Select On and press the
0.000
key to enter the measuring range
limit using the numeric keypad. Press
OK
to confirm.
Timer 1 / Timer 2 / Timer 3 / Timer 4:
This function can define time intervals for up to four timers. Timer
designations such as Shake, Wait, and Swirl can be assigned.
1. Highlight the appropriate line in the overview of the program
data and press
EDIT
.
2. The timers are activated or deactivated with the check boxes in
the left part of the display. In the next column, a selection can
be made from a list of names that designate the corresponding
work step. In the third column, the times for each timer are
entered (in mm:ss).
Chemical Form 2 / Chemical Form 3 / Chemical Form 4:
If Chemical Form 1 has been defined, up to three additional
alternative forms can be entered.
1. Highlight the appropriate line in the overview of the program
data and press
EDIT
.
2. Select or deselect the check boxes to activate or deactivate the
chemical forms.
3. Press the left key to enter another chemical form with the
alphanumeric keypad and press
OK
to confirm. Press the right
key to enter the conversion factor to calculate the concentration
of the additional chemical form from the concentration of
Chemical Form 1 and press
OK
to confirm.
4. Press
STORE
to save the program data. Press
CANCEL
to
return to the Main Menu.