Gill Instruments Limited
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MetStream 100
Page 30
Issue 2
Doc. No. 1955-PS-001
March 2016
Where applicable at the bottom of the MetStream parameter display there are 2 tool signs.
6.4.3
Trend Graphs
Click on the Trend Graph icon to open a trend graph of the parameter of
interest.
E.g. Wind Direction.
Select a trend period value as required.
AutoScale
Automatically adjusts the Vertical axis to the maximum and minimum data values read in
the plot period.
If Auto scale is not selected then the vertical scale will be set between instrument zero to
maximum possible readings.
Trend Graph Period Sampling.
One Minute screen
- a reading is taken every second.
One Hour Screen
- a reading is taken once every minute.
24 hours screen
- a reading is taken once every 30 minutes.
7 days
- a reading is taken once every 3 hours (00:00, 03:00, 06:00 etc.).
28 days
- a reading is taken once every 3 hours (00:00, 03:00, 06:00 etc.).
Trend plots are built from the logged data stored in the MetStream. On power up, it may
take several minutes for all of the plots to be populated from the stored data.
