Rosemount Tank Radar AB 5900 用户手册
Reference Manual
300520EN, Rev AA
November 2009
Rosemount 5900 Series
3-8
Section 3. Installation
Nozzle Requirements
When using a Ø 20" nozzle the height of the nozzle must not exceed 0.5
meter. There has to be a free passage for the radar beam within a 5° angle
from the edge of the parabolic reflector to the lower end of the nozzle.
Nozzles with larger diameter may be higher than 0.5 meter as long as the 5°
requirement is fulfilled.
meter. There has to be a free passage for the radar beam within a 5° angle
from the edge of the parabolic reflector to the lower end of the nozzle.
Nozzles with larger diameter may be higher than 0.5 meter as long as the 5°
requirement is fulfilled.
From the flange to the product surface the distance should not be less than
1.0 m. Highest accuracy is obtained from product levels 1.0 meter below the
flange downwards
1.0 m. Highest accuracy is obtained from product levels 1.0 meter below the
flange downwards
Figure 3-6. Nozzle requirements
for the Rosemount 5900 with
Parabolic antenna
Ø > 500 mm (20 inch)
Mimimum 1.0 m to
product surface
Nozzle height
maximum 0.5 m
5° minimum
5° minimum
Ø 441 mm
Vertical plumb line
Preliminary