User`s guide

Chapter 2 __________________________________________________________ Product Overview
VAISALA_______________________________________________________________________ 49
WMS302 has a two-wiper type potentiometer to overcome the wind
direction discontinuity. However, a more complex voltage-to-direction
conversion process is needed.
Anemometers
Introduction to Anemometer
0204-039
Figure 39 Anemometer WAA151
WAA151 is an optoelectronic, fast-response, low-threshold
anemometer. In the cup wheel it has three light-weight conical cups
providing excellent linearity over the entire operating range,
up to 75 m/s.
The following numbers refer to Figure 39 on page 49:
1 = Cup wheel assembly
2 = Sensor shaft
3 = Lower body