18
Reference Manual
00809-0100-4308, Rev BA
Section 3: Installation
December 2014
Installation
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
, must be
maintained.
Figure 3-2. Free Space Requirement
Table 3-1. Recommended Minimum Free Space to Tank Wall or Other Objects in the Tank
Probe type
Condition
Minimum free space
Rigid Single/Flexible Single
Smooth metal wall
4 in. (100 mm)
Disturbing objects such as pipes and
beams, or rugged metal tank walls
16 in. (400 mm)
Flexible Twin
Smooth metal wall
4 in. (100 mm)
Disturbing objects such as pipes and
beams, or rugged metal tank walls
16 in. (400 mm)
Coaxial
N/A
0 in. (0 mm)
Clearance to tank wall
Содержание 3308A Rosemount 3308 Series
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