80 BioPAT
®
Trace | Multi Trace Operating Instructions
Operation
The comparison is activated as follows: After
clicking the “Reference” button, the device
determines the concentration values in the
reactor and suggests the corresponding values.
Now, using a reference sample, you must check
whether these values are correct and correct
them accordingly. If you already know the
concentration values (e.g. from the initial weight),
you can enter these values directly. Alternatively,
you can determine the concentrations in the
reactor by means of an external sample using an
off-line analyzer.
Confirm the prompted measured values with
“Apply”. If you want to make changes, enter the
new values into the entry field (with decimal
point) and confirm with “Apply”
With the “Reject” function, you can cancel the
procedure and move back to the starting
position.
As long as the input window is open and no new
reference values were entered and confirmed,
the BioPAT
®
Trace | Multi Trace continues work-
ing with the current valid reference factor.
If determining a reference measurement using
an external analyzer is going to take longer and
the medium concentration is expected to change
in the meantime, you should wait for the refer-
ence measurement and only then take a sample
for external analysis. When the input window for
the reference values appears, the device has
stored the currently measured concentration to
compare it with subsequently entered values and
determine the new reference factor.
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