Chapter 4 _________________________ Installation of the Weather Station Components to the Mast
VAISALA _______________________________________________________________________ 99
Mounting the Sensor Arm
The sensor arm is installed to the mast to enable mounting of the
lightning detector and the present weather sensor.
1. Install the sensor arm to the mast in the middle of the white area
as illustrated in Figure 84 below. The height will then be
approximately 3 m (10 ft) when the mast is erected.
2. Mount the sensor arm to the mast with the bracket (number 2 in
Figure 84 below). The mounting piece for the lightning detector
(1) must point up in the northern hemisphere.
3. Tighten the bracket properly after setting the sensor arm to east-
west direction.
0306-044
Figure 84 Sensor Arm Installation to the Mast
The following numbers refer to Figure 84 above.
1 = Mounting piece for the lightning detector
2 = Mounting bracket on the sensor arm
3 = Mounting notch for the present weather sensor
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