Hach DR 3900 Manual Básico Del Usuario página 18

Complete a barcode test
1. Insert the light shield into cell compartment (2).
2. Prepare the barcode test according to the process specification,
and insert the cell in cell compartment (1).
• When a coded cell is placed in cell compartment (1)
page 10), the corresponding reading program is automatically
activated in the Main Menu.
• Otherwise, press Barcode Programs in the Main Menu and
insert a zero cell (depending on process specification) into cell
compartment (1).
English 18
The reading is started automatically and the results are displayed.
To evaluate other cell tests and other parameters, insert the prepared
cell into the cell compartment and read off the result.
Note: The control bar displayed on the right of the screen shows the
relationship of the reading result to the measuring range. The black bar
(Figure 3,
shows the measured result independently of any dilution factor that was
entered.
Select the chemical evaluation form
The chemical form of the test result of a number of parameters can be
selected individually.
1. In the result display, press the unit (e. g. mg/L) or the chemical
representation of the evaluation form (e. g. PO
A list of available evaluation forms appears.
2. Select the required form from the list. Press OK to confirm.
Another way of changing the standard setting is:
3–
–P).
4