Emerson Rosemount 5408 Reference Manual page 28

Mechanical installation
June 2019
Figure 3-9: Still Pipe Requirements
A. Max. 0.2 in. (5 mm)
B. Max. 1 in. (25 mm)
C. Min. 6 in. (150 mm)
D. Max. 1°
E. Level = 100%
F. Level = 0%
Chamber
Consider the following chamber requirements:
• Pipes should be an all-metal material.
• Pipe should have a constant inside diameter.
• Inlet pipes should not protrude into the inside of the stand pipe.
• The inner surface must be smooth and clear of any rough edges. (Smooth pipe joints
are acceptable, but may reduce accuracy.)
• The gap between the cone antenna and the stand pipe should be maximum 0.2 in. (5
mm). If required, order a larger antenna and cut on location. See
antenna dimensions.
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• The gap between the cone antenna and the still pipe should be maximum
0.2 in. (5 mm). If required, order a larger antenna and cut on location. See
Table A-15 for antenna dimensions.
Reference Manual
00809-0300-4408
Table A-15 for
Reference Manual