Vaisala WMS302 Betriebsanweisung PDF herunterladen (Seite 38)

User's Guide ______________________________________________________________________

36 ___________________________________________________________________M210630EN-B

Combined Wind Sensor

0401-255

Figure 20 Combined Wind Sensor

Combined Wind Sensor is the compact sized instrument with the wind

speed and direction sensors integrated into one unit. A single compact

sensor is ideal for low-power applications. The sensor electronics is

located inside a watertight compartment providing full protection

against water, dust, pollutants, and electromagnetic interference.

The cup wheel shape, dimensions, and material have been carefully

designed to achieve maximum measurement quality. The conical cups

have been tested to give linear response between wind speed and

angular velocity of the cup wheel. The polyamide plastic reinforced

with carbon fiber guarantees a rigid structure even at the highest wind

speeds.

The balanced wind vane is integrated in the housing, underneath the cup

wheel. The circular tail is located far enough from the body and the cup

wheel to avoid turbulence due to these structures. The vane assembly is

made of PA reinforced with glass fiber providing durable and

lightweight structure with fast response and low inertia.

The following numbers refer to Figure 20 on page 36:

1 = Cup wheel assembly

2 = Vane assembly

3 = Sensor compartment

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Vaisala WMS302 Betriebsanweisung Seite 38