Vaisala WINDCAP WS425 User's Guide download pdf (Page 23)

Chapter 2 __________________________________________________________ Product Overview

VAISALA _______________________________________________________________________ 21

Bird Cage

Vaisala recommends using the optional bird cage in areas with large bird

populations. The cage is designed to prevent large birds from disturbing

the measurement. It has been tested in a wind tunnel with wind speeds of

up to 40 m/s without noticeable effects on the wind speed and direction

measurement.

You can install the bird cage on a mounted WMT700 series wind sensor

without dismounting the wind sensor itself. In cold climates, take into

account that accumulated snow or ice on the bird cage can disturb

measurement. In such conditions, consider performing frequent visual

inspections of WMT700 to avoid ice or snow build-ups.

1005-028

Figure 4 Bird Cage

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Vaisala WINDCAP WS425 User's Guide Page 23