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USER MANUAL | ICOS | INSTRUCTIONS | UM/ICOS-EN REV. B.2
Rate Control
Data is acquired at 1 Hz rate and averaged for a selected interval (1 to 100 seconds) before
being written to the data file and plotted on the time chart. Longer averaging periods (or
equivalently, slower data acquisition rates) will yield better measurement precision than
shorter averaging periods.
When the Rate button (clock icon) on the User Interface Control Bar (Figure 22) is selected,
a pop-up box appears to allow rate control adjustments to the operating mode and plot
frequency. (Figure 28)
The Operating Mode radio buttons allow you to change the rate at which data is written to
the log file. To adjust the rate:
Click the Rate button (clock icon) on the User Interface Control Bar. (Figure 22)
1.
The Data Rate Control Adjustment panel appears. (Figure 28)
2. Click the Operating Mode radio buttons to select the rate at which data is acquired.
a. Fast-flow mode (optional)
i. The internal pump is powered off.
ii. The (optional) external pump is powered on.
3. Click Save.
Figure 28: Rate Control Screen
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