16
Reference Manual
00809-0100-4026, Rev HA
Section 2: Transmitter Overview
November 2014
Transmitter Overview
Table 2-3. 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. NA = Not Applicable.
NA NA NA 82 (25) 115 (35) 115 (35) NA NA NA
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)