Chapter 3 ________________________________________________________________  Installation 
 
VAISALA ________________________________________________________________________ 37 
9.  Connect the measurement unit cable plug to the connector at the 
bottom of FSM102 (see Figure 14 below). 
 
  0201-068 
Figure 14  Connecting Measurement Unit 
The following numbers refer to Figure 14 above: 
Measurement unit end gasket 
Surface temperature probe 
 
10.  Insert the measurement unit into the pole mast and lock it in the 
correct orientation as discussed in section Location and Orientation 
on page 20 with two 8-mm bolts (see Figure 14 above). The 
transmitter and receiver heads can be identified by first locating the 
surface temperature probe, which is closer to the transmitter. 
11.  Erect the mast.