Emerson Rosemount 5408 Reference Manual page 30

Mechanical Installation
Figure 3-7:
Table 3-6:
Antenna size Minimum nozzle diameter (D)
2-in. (DN50)
3-in. (DN80)
4-in. (DN100) 2.76 in. (70 mm)
(1) The antennas are sized to fit within schedule 120 or lower schedules.
(2) For hygienic applications, the nozzle height (H) must not exceed 2 × nozzle diameter (D) to ensure
cleanability. Maximum nozzle height is 5 in. (127 mm).
Nozzle requirements for parabolic antenna
See Table 3-7
20
Mounting of the Process Seal Antenna
Nozzle Requirements for Process Seal Antenna
1.77 in. (45 mm)
2.76 in. (70 mm)
for nozzle height recommendations at different inclination angle.
Recommended maximum nozzle height
(1) (2)
(H)
4 ft. (1.2 m)
4 ft. (1.2 m)
4 ft. (1.2 m)
Reference Manual