Emerson Rosemount 5400 Series Reference Manual page 28

Section 2: Transmitter Overview
November 2014
Table 2-3. Rosemount 5401, Maximum Recommended Measuring Range, ft (m)
Low
Frequency
Antennas
a
(2)
3-in. Cone
NA
4-in. Cone /
23 (7)
(3)
Rod
6-in. Cone
43 (13)
8-in. Cone
66 (20)
(1) a. Oil, gasoline or other hydrocarbons, and petrochemicals (
In pipes or with ideal surface conditions, for some liquefied gases (
b. Alcohols, concentrated acids, organic solvents, oil/water mixtures, and acetone (
c. Conductive liquids, e.g. water based solutions, dilute acids, and alkalis (
(2) Pipe installations only. NA = Not Applicable.
(3) Pipe installations are not allowed with rod antennas.
16
b c
NA NA 82 (25)
39 (12) 49 (15) 82 (25)
66 (20) 82 (25) 82 (25)
82 (25) 115 (35) 82 (25)
H
= 1.9-4.0)
r
H
= 1.4-4.0)
r
(1)
Dielectric Constant
a b c
115 (35) 115 (35)
115 (35) 115 (35)
115 (35) 115 (35)
115 (35) 115 (35)
H
= 4.0-10.0)
r
H
> 10.0)
r
Reference Manual
00809-0100-4026, Rev HA
a b
NA NA NA
13 (4) 26 (8) 39 (12)
20 (6) 33 (10) 46 (14)
26 (8) 39 (12) 52 (16)
Transmitter Overview
c