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AQUALAB VSA
to the left, it switches to the left desiccant tube (#1). If you press the number button with
the arrow to the right, it switches to the right desiccant tube (#2). Any time you press the
desiccant tube button, the pump turns on and blows dry air into the chamber to monitor the
desiccating capacity of the tubes.
The weight calibration value is the current calibration applied to balance readings. A value of
one means no weight calibration is applied. The dew point and capacitance RH sensor offset
values are the current linear offsets applied to water activity readings for the respective
sensor type. A value of zero means that the VSA applied no water activity offset.
2.4.3.19 ABOUT
The About screen provides important information including the serial number and firmware
code version of your instrument.
2.4.4 DATA TAB
The Data tab allows you to view detailed information about the test stored in the memory.
You can view data as a list, view detailed data point information, and graph all or individual
stages. You can also delete the data in the memory.
Figure 14 Data tab
2.4.4.1 VIEW
This selection brings you to a screen where you can decide how to view the data. View the
whole test at once by selecting All or view an individual stage. Once the desired portion of
the test is selected, choose to graph the data by pressing the graph icon or press the Enter
icon to view summary information of each data record. Use the Moisture Analysis Toolkit to
download test data to a computer (Section7.2).
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