Model 831 Manual Weather Measurement Using 831-INT 19-3
The settings menu, shown in FIGURE 19-2, is used to select
which weather parameters are to be setup.
FIGURE 19-3 Weather Settings Menu
Wind Setup
The Wind Setup menu is shown in FIGURE 19-2. Most of
the parameters call for direct input of numeric values based
on the design parameters of the wind transducer or text
based on the preference of the user.
The scale setting allows the use of any pulse type of
anemometer and permits the scaling to any wind speed
metric. The Model 831 measures the frequency of the wind
speed (or tachometer) signal. The displayed value is the
measured frequency (Hz) multiplied by the calculated scale
factor of the sensor. Below is a table showing the scale
values to enter into the Model 831 for the SEN028 and
SEN029 for various units of measure. The Units is the text
label to enter into the Units field of the Model 831.
Units of Measure
(abbreviation)
SEN028 Scale
RM Young Wind
Monitor
SEN029 Scale
Davis Anemometer
Units label
Meters per second
(m/s)
0.0980 1.0064 m/s
Kilometers per hour
(km/h)
0.3528 3.6230 km/h
Miles per hour
(mi/h)
0.2191 2.2500 mi/h
Table 19-1 Wind Sensor Scale Factor
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