Chapter 4 _______________________________________________________________ Installation 
 
VAISALA _______________________________________________________________________ 25 
2.  Make sure that the threads on the mounting point are of the correct 
type, and fasten the transmitter to the measurement point. When 
installing a transmitter with ISO or UNF thread, use the provided 
sealing ring to achieve a tight installation. Check that the sealing 
ring remains centered. 
 
  1109-032 
Figure 9  Installing the Transmitter 
 
1109-033  
Figure 10  Tightening with a Wrench 
3.  Tighten the connection by turning with a wrench (max. 50 Nm).  
CAUTION 
Only tighten the transmitter from the 30 mm nut. Do NOT apply force to 
other points in the transmitter body. 
4.  Continue with the wiring of the transmitter. See section Wiring on 
page 26.