31
Reference Manual
00809-0100-4026, Rev KC
Mechanical Installation
October 2018
Mechanical Installation
3.3.7 Service space
For easy access to the transmitter, mount it with sufficient service space.
There is no requirement on clearance distance from the tank wall, provided it is flat and free of
obstructions such as heating coils and ladders. The optimal location is often
1
/4 of the tank diameter, and
for solids installations
2
/
3
tank radius from the tank wall.
Figure 3-20. Service Space Recommendations
Service space Antenna type Distance in. (mm)
A Cone, rod, process seal, parabolic 20 (500)
B Cone, rod 24 (600)
Process seal 33 (850)
Parabolic 26 (650)
Inclination Antenna type Maximum angle
C Cone, rod, process seal 3°
Parabolic 15°
A
B
C
Rod antenna
Cone antenna
A
B
C
C
B
A
Process seal
antenna
Parabolic
antenna
A
B
C
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