Users Manual Part 1

3.3.6 Nozzle requirements
To allow the microwaves to propagate undisturbed, the nozzle dimensions should be kept
within the specified limits as given in Table 3-4. The inside of the nozzle must be smooth
(i.e. avoid bad welding, rust, or deposit).
Figure 3-6: Mounting in Nozzles
D
H
Table 3-4: Nozzle Requirements
Nozzle diameter (D) Maximum nozzle height (H)
1 in. (25 mm)
(1)
3.9 in. (100 mm)
1.5 in. (40 mm) 5.9 in. (150 mm)
2 in. (50 mm) 7.9 in. (200 mm)
3 in. (80 mm) 11.8 in. (300 mm)
4 in. (100 mm) 15.8 in. (400 mm)
6 in. (150 mm) 23.6 in. (600 mm)
(1) Not applicable to the process seal antenna.
Mechanical installation Reference Manual
September 2022
00809-0100-4418
20 Emerson.com/Rosemount