Emerson Rosemount 5900S Series, Справочное руководство

Страница: 29 / 298

3.2 Installation considerations
When finding an appropriate location on the tank for a Rosemount 5900S Radar Level
Gauge, the conditions of the tank must be carefully considered. The Rosemount 5900S
should be installed so that the influence of disturbing objects is kept to a minimum,
preferably outside the radar signal beam.
Ensure that environmental conditions are within specified limits as listed in Specifications
and reference data .
Ensure that the Rosemount 5900S Radar Level Gauge is installed such that it is not
exposed to higher pressure and temperature than specified in
Specifications and reference
data .
It is the responsibility of the user to ensure that the device meets the specific inside tank
installation requirements such as:
• chemical compatibility of wetted materials
• design/operation pressure and temperature
For a complete specification of the Rosemount 5900S device, you can identify the model
code on the attached antenna label and match with data in
Ordering information .
Do not install the Rosemount 5900S in non-intended applications, for example
environments where it may be exposed to extremely intense magnetic fields or extreme
weather conditions.
Antennas with plastic surfaces and painted surface, may under certain extreme conditions
generate an ignition-capable level of electrostatic charge. When installing in hazardous
areas ensure using tools, cleaning material etc. which can not generate electrostatic
charge.
3.2.1 Horn antenna requirements
The Rosemount 5900S with Horn Antenna must be installed so that there are no pipes or
other obstacles that could prevent the radar beam from reaching the tank bottom
unobstructed. There are two flanges available; a horizontal flange for vertical installation,
and an inclined flange for installation close to the tank wall.
Please refer to mechanical installation drawings for more information on the installation
requirements of the Horn Antenna and service space requirements.
Nozzle requirements
Table 3-1: Minimum Nozzle Diameter for the Rosemount 5900S with Horn Antenna
Flange Minimum nozzle diameter
(mm/in.) Maximum nozzle height
(mm)
Horizontal flange 180/7.1 330
4° inclined flange 185/7.3 330
Reference Manual Installation
00809-0100-5900 September 2019
Rosemount 5900S Radar Level Gauge 29