Barcode Programs; Perform A Barcode Test - Hach Lange DR 3900 User Manual

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Standard programs
5.5

Barcode Programs

5.5.1

Perform a barcode test

64
A special barcode reader in cell compartment #1 automatically
reads the barcode on the 13 mm cuvette/vial as the cuvette/vial
completes a single rotation. The instrument uses the barcode
identification to automatically set the correct wavelength for the
analysis and calculates the result immediately with the help of
stored factors.
In addition, readings are recorded at 10 different positions during
a rotation. A special outlier-elimination program is run and then
the average of the measured values is calculated. Cell and round
cell faults and contaminations are detected and therefore a very
precise result is determined.
1. Insert the light shield into cell compartment (2).
2. Prepare the barcode test in accordance with the process
specification and insert the cell in cell compartment (1).
When a coded cell is placed in cell compartment #1
(Figure 3, page
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).
Note: For further information about the Help Guide ("Information" icon),
refer to
Appendix A, page
143.
The measurement is started automatically and the results are
shown.
Note: To define a sample dilution, press the Dilution key in the toolbar.
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 measurement range. The black
bar shows the measured result independently of any dilution factor that
was entered.
19), the corresponding reading program

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