Example 2: You have configured the Gill WindMaster to output raw voltages for
auxiliary input U over the range of ±5V, and over a full scale wind speed of -30 to
+30 m/s. You want to convert the raw voltages to wind speed and output the values
in units of m/s. What is the wind speed when the sonic anemometer outputs a raw
voltage value of 1.5V?
1
Set the Type field to U. Set the Units field to m/s. The Label is set automatically.
2
Enter 6 for the Multiplier (m) and 0 for the Offset (b).
Using equation 3-3 on the previous page, the wind speed is calculated as
3-5y = 6(1.5) + 0 = 9 m/s
Entering CO
2
/H
2
O Analyzer Information
The CO
2
/H
2
O Analyzer tab shows the type of CO
2
/H
2
O analyzer used, the values
to log to the USB drive, and the gas analyzer position relative to the sonic anem-
ometer.
The distance between the gas analyzer and sonic anemometer is used to estimate
the high-frequency flux losses. Distances are provided in a Cartesian coordinate sys-
tem, which allows EddyPro
®
to determine the distance from a gas analyzer and the
anemometer.
Section 3. Operation
3-31Entering CO2/H2O Analyzer Information
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