Vaisala vLog 4.4 - Manual (Page 88)

Viewing Reports and Statistics
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data from channels of the same type (temperature or humidity) together in
one column.
6. If you’re including lethality in your report, specify the following values:
• reference temperature in degrees.
• Z value in degrees. The Z value is the temperature required to change the
D value by a factor of 10.
• D value in minutes. The D value is the time required to destroy 1 log
cycle (90%) of the microbial population at the reference temperature.
7. Click OK.
8. The report is displayed. Scroll through the report to see your statistical in-
formation.
9. To print your report, from the Historical Data Report window, choose
File>Print. To customize your report’s appearance, see Customizing
Headers, Footers and Font Sizes in Printed Historical Data Reports on
page 82.
10. To perform a more in-depth statistical analysis, save report contents using
File>Save As from View Report and analyze report contents in a spread-
sheet program such as Microsoft Excel. See Saving Reports on page 91.
Customizing Headers, Footers and Font Sizes in Printed Historical Data Re-
ports
Historical data reports can be customized to include certain items in column
headings, certain items and statistics within the report itself, as well as specific
headers, footers, and font size in a printed report.
You can also choose to include or not include logger serial numbers, descrip-
tions, and channel descriptions in report column headings for both printed and
on-screen reports.