Emerson Rosemount 5402 Reference Manual page 27

Reference Manual
00809-0100-4026, Rev KC
Table 2-4. Model and Antenna Guide
Model and antenna guide
This table gives guidelines on which
model and antenna to select, depending
on application.
G = Good
AD = Application Dependent (contact
your local Emerson Automation Solution
representative)
NR = Not Recommended
Tank considerations
Installation close to smooth tank wall
Multiple units on the same tank
Internal obstructions, directly in path
Internal obstructions, avoidance
Beam angle
Antenna extends below nozzle
Antenna recessed in smooth nozzle up
to 6 ft (2 m)
Antenna recessed in nozzle with
irregularities, such as bad welds
Stilling well mounting
Valves
Long ranges (>115'/35 m)
Cleanability of antenna
Process medium characteristics
Vapor (light, medium)
Vapor (heavy)
Condensing vapor/product build-up
Boiling/Turbulent surface (low/medium)
Boiling/Turbulent surface (heavy)
Boiling/Turbulent surface (still-pipe)
(8)
Foam
(8)
Foam (still-pipe)
Corrosive products (options available)
Introduction
Cone (preferred)
Best choice for a
broad range of
applications, free
propagation and
pipe installations.
G
G
(1)
NR
(1)
G
2" 19°
3" 14°
4" 9°
G
G
(4)
AD
G (2- to 4-in. pipe)
G
NR
AD
G
NR
(6)
AD
G
AD
G
NR
G
(9)
G
Rosemount 5402
Process seal Parabolic
Ideal for small tanks Only for solids
and corrosive applications. Good
applications. Good for for long ranges.
heavy antenna
condensation/build-up.
G AD
G G
NR NR
G AD
2" 19° 4.5°
3" 14°
4" 9°
G G
G
NR
AD AD
G (2- to 4-in. pipe) NR
G NR
NR NR
(5)
G G
G G
AD AD
(5)
G G
G G
AD G
G NR
NR N/A
G NR
(9)
G NR
Introduction
October 2018
Rosemount 5401
Cone (preferred) Rod
Suitable for some Suitable for small
extreme process process
conditions. connections, and
corrosive
environment.
G G
G G
AD AD
NR NR
4" 37° 37°
6" 23°
8" 17°
G G
(3)
NR
(2)
NR
(4) (3)
AD NR
G (3- to 8-in. pipe) NR
NR NR
NR NR
AD G
G G
G G
G AD
G G
(7)
G NR
G NR
AD AD
G NR
(9)
G G
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