Emerson Rosemount 3308A Reference Manual page 29

Reference Manual
00809-0100-4308, Rev CA
Make sure the nozzle does not extend into the tank.
Note
Violent fluid movements causing high sideway forces may break rigid probes.
If the probe is mounted close to a wall, nozzle or other tank obstruction, noise might appear in the level
signal. Therefore the following minimum clearance, according to
Figure 3-2. Free Space Requirement
A. Clearance to tank wall
Table 3-1. Recommended Minimum Free Space to Tank Wall or Other Objects in the Tank
Probe type
Rigid single/Flexible single/
Segmented rigid single lead
Flexible twin
Coaxial
Installation
PRELIMINARY
A
Condition
Smooth metal wall
Disturbing objects such as pipes and
beams, or rugged metal tank walls
Smooth metal wall
Disturbing objects such as pipes and
beams, or rugged metal tank walls
N/A
Installation
August 2017
Table 3-1, must be maintained.
Minimum clearance (A)
4 in. (100 mm)
16 in. (400 mm)
4 in. (100 mm)
16 in. (400 mm)
0 in. (0 mm)
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