Rosemount Tank Radar AB 5900 用户手册

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Reference Manual
300520EN, Rev AA
November 2009
Rosemount 5900 Series
3-36
Section 3. Installation
3.3.5
LPG/LNG 
Antenna
Follow this step by step instruction when installing the LPG/LNG antenna. 
See “LPG/LNG Antenna Requirements” on page 3-13 for information on 
mounting considerations before installing the gauge on the tank.
NOTE!
There must be a mark on the pipe flange to show the direction of the 
reference pins in the still pipe. Carefully check that the Closing is mounted in 
the appropriate angle relative to that mark. 
1. Ensure that all parts and tools are 
available before carrying them to the 
tank top.
2. Install the still pipe according to 
mechanical installation drawing 
9150072-924.
3. Check that the Cone antenna fits into 
the still pipe. The gap between the 
Cone antenna and the pipe must not 
exceed 2 mm.
4. Mount the Pipe Cone onto the Closing 
using four M6 Allen head screws. Be 
careful when handling the Closing and 
Pipe Cone assembly. It is important 
that the Pipe Cone is undamaged. 
Do not remove the yellow protective 
cap.
Maximum 2 mm
Pressure 
transducer
Do not remove this 
protection cap
Lower flange
Closing
Four M6 screws
Pipe cone
Ball valve
Preliminary