Emerson Rosemount 5900C, Reference Manual

Page: 39 / 322

3.2.3 Still Pipe antenna requirements
The Rosemount 5900C is designed for still-pipe mounting and can be mounted on existing
still-pipe flanges without taking the tank out of operation. The Rosemount 5900C Still-
pipe Array Antenna is available for pipe size 5, 6, 8, 10 and 12 inch.
There are two versions available in order to suit various requirements for easy installation
and maintenance:
• The Rosemount 5900C Still Pipe Array antenna Fix version which has a flange for easy
mounting when there is no need for opening the Still Pipe for hand dipping
• The Rosemount 5900C Still Pipe Array antenna Hatch version suitable for still-pipes
that need to be opened for hand dipping
Still-pipe requirements
The Rosemount 5900C Still-pipe Array Antenna fits 5, 6, 8, 10 and 12 inch flanges and
pipes. The adaptation is accomplished by selecting a suitable Still-pipe Array Antenna.
The still-pipe must be vertical
(3)
within 0.5° (0.2 m over 20 m).
Table 3-6 shows the wide range of schedules and pipe inner diameters that the Array
antennas can be mounted in.
Table 3-6: Antenna Size and Appropriate Pipe Inner Diameter
Antenna size (inch) Antenna dimension
(mm) Suitable for pipe dimension
Size Inner diameter (mm)
5 120.2 SCH10-SCH60 125.3 - 134.5
6 145.2 SCH10-SCH60 150.3 - 161.5
8 189 SCH20-SCH80 193.7 - 206.3
10 243 SCH10-SCH60 247.7 - 264.7
12 293.5 SCH 10-40-XS 298.5 - 314.7
(3) Please contact Emerson / Rosemount Tank Gauging for advice if this requirement can not be met.
Reference Manual Installation
00809-0100-5901 September 2019
Rosemount 5900C Radar Level Gauge 39