Chapter 3 _______________________________________________________________ Installation  
VAISALA_______________________________________________________________________ 19 
Mounting with DIN Rail Installation 
Kit 
DIN rail installation kit includes a wall mounting kit, 2 clip-fasteners, 
and 2 screws M4 x 10 DIN 7985 (Vaisala order code 215094). 
To mount PTB330 using the DIN rail installation kit: 
1.  Attach two spring holders to the plastic mounting plate by using 
the screws provided in the installation kit. 
2.  Fasten the barometer to the plastic mounting plate with 4 screws 
provided for that purpose. 
3.  Press the barometer onto the DIN rail so that the clip-fasteners 
snap into the rail. 
 
Figure 6  Mounting with DIN Rail Installation Kit 
Pole Installation with Installation 
Kit for Pole or Pipeline 
Installation kit for pole or pipeline (Vaisala order code: 215108) 
includes the metal mounting plate and 4 mounting nuts for pole 
mounting. When mounting, the arrow in the metal mounting plate 
must point upwards; see Figure 10 on page 21.