Emerson Rosemount 5400 Series - Beam Angle and Beam Width

191
Reference Manual
00809-0100-4026, Rev HA
Appendix A: Reference data
November 2014
Reference Data
A.2.3 Beam angle and beam width
Figure A-16. Beam Angle and Beam Width
For a comparison between the beam angle and beam width for the Rosemount 5401 (
~
6 GHz)
and 5402 (
~
26 GHz) transmitters with antennas of the same size and type, see Table A-6, Ta ble
A-7, and Table A-8.
Table A-5. Rosemount 5401, Maximum Recommended Measuring Range, ft (m)
Low frequency
antennas
Dielectric constant
(1)
(1) A. Oil, gasoline or other hydrocarbons, and petrochemicals ( H
r
=1.9-4.0)
In pipes or with ideal surface conditions, for some liquefied gases (
H
r
=1.4-4.0)
B. Alcohols, concentrated acids, organic solvents, oil/water mixtures, and acetone (
H
r
=4.0-10.0)
C. Conductive liquids, e.g. water based solutions, dilute acids, and alkalis (
H
r
>10.0)
A B C A B C A B C
3-in. Cone
(2)
(2) Pipe installations only. N/A=not applicable.
N/A N/A N/A 82 (25) 115 (35) 115 (35) N/A N/A N/A
4-in. cone / rod
(3)
(3) Pipe installations are not allowed with rod antennas.
23 (7) 39 (12) 49 (15) 82 (25) 115 (35) 115 (35) 13 (4) 26 (8) 39 (12)
6-in. Cone 43 (13) 66 (20) 82 (25) 82 (25) 115 (35) 115 (35) 20 (6) 33 (10) 46 (14)
8-in. Cone 66 (20) 82 (25) 115 (35) 82 (25) 115 (35) 115 (35) 26 (8) 39 (12) 52 (16)
5401
(low frequency)
16 ft (5 m)
5402
(high frequency)
Distance
33 ft (10 m)
49 ft (15 m)
66 ft (20 m)
Beam angle Beam angle
Beam width