Campbell Scientific CSAT3B CSAT3B Three-Dimensional Sonic Anemometer - Page 27

Specifications

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CSAT3B Three-Dimensional Sonic Anemometer FIGURE 5-11. HUB-CPI for multiple CSAT3B connections to CPI communications 5.2.4.6 CAT6 Ethernet Cable The CAT6 Ethernet cable (pn 28899) is a 61 cm (2 ft), unshielded CAT6 network cable with RJ45 connectors. It is typically used to connect the HUBCPI to the CPI port on a datalogger such as the CR6. FIGURE 5-12. CAT6 Ethernet cable 6. Specifications The CSAT3B measures wind speed and the speed of sound along the three non-orthogonal sonic axes. The wind speeds are then transformed into the orthogonal wind components ux, uy, and uz, and are referenced to the anemometer head. The reported ultrasonic air temperature (Ts) is the average between the temperatures computed for the three non-orthogonal sonic axes. The vector component of the wind that is normal to each sonic axis (such as a crosswind) leads to a measurement error that is corrected online by the 17

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CSAT3B Three-Dimensional Sonic Anemometer
FIGURE 5-11.
HUB-CPI for multiple CSAT3B connections to CPI
communications
5.2.4.6 CAT6 Ethernet Cable
The CAT6 Ethernet cable (pn 28899) is a 61 cm (2 ft), unshielded CAT6
network cable with RJ45 connectors. It is typically used to connect the HUB-
CPI to the CPI port on a datalogger such as the CR6.
FIGURE 5-12.
CAT6 Ethernet cable
6.
Specifications
The CSAT3B measures wind speed and the speed of sound along the three
non-orthogonal sonic axes.
The wind speeds are then transformed into the
orthogonal wind components u
x
, u
y
, and u
z
, and are referenced to the
anemometer head. The reported ultrasonic air temperature (T
s
) is the average
between the temperatures computed for the three non-orthogonal sonic axes.
The vector component of the wind that is normal to each sonic axis (such as a
crosswind) leads to a measurement error that is corrected online by the
17