Emerson Rosemount 5408 Reference Manual page 265

Reference Manual
00809-0100-4408
Table C-3: Legacy (Rosemount 5402) Antenna Parameters, Free Propagation
Antenna type Model
code
2-in. SST cone 2S
2-in. cone with 2H, 2M, 2N 0.509
protective plate
2-in. process seal 2P
3-in. SST cone 3S
3-in. cone with 3H, 3M, 3N 0.509
protective plate
3-in. process seal 3P
4-in. SST cone 4S
4-in. cone with 4H, 4M, 4N 0.509
protective plate
4-in. process seal 4P
(1) Default setting. The Upper Null Zone may need to be increased if there are disturbance echoes in the region close to the
antenna.
Table C-4: Legacy (Rosemount 5402) Antenna Parameters, Still Pipe/Chamber Installation
Antenna type Model
code
2-in. SST cone 2S
2-in. cone with 2H, 2M, 2N 0.509
protective plate
2-in. process seal 2P
3-in. SST cone 3S
3-in. cone with 3H, 3M, 3N 0.509
protective plate
3-in. process seal 3P
4-in. SST cone 4S
4-in. cone with 4H, 4M, 4N 0.509
protective plate
4-in. process seal 4P
(1) Default setting. The Upper Null Zone may need to be increased if there are disturbance echoes in the region close to the
antenna.
Rosemount 5408 and 5408:SIS Level Transmitters
Tank connection Antenna
length gain
ft m
0.509 0.155 2.45
0.155 2.45
0.929 0.283 3.4
0.509 0.155 1.4
0.155 1.4
1.191 0.363 1.7
0.509 0.155 0.9
0.155 0.9
1.316 0.401 0.8
Tank connection Antenna
length gain
ft m
0.509 0.155 0.035
0.155 0.035
0.929 0.283 0.035
0.509 0.155 0.035
0.155 0.035
1.191 0.363 0.035
0.509 0.155 0.035
0.155 0.035
1.316 0.401 0.035
Configuration parameters
Nearzone Nearzone range Upper null zone
threshold
(mV)
ft m
4500 5.09 1.55
5000 5.25 1.60
3400 4.13 1.26
1170 3.38 1.03
4400 5.41 1.65
3400 4.13 1.26
1170 3.38 1.03
2400 4.27 1.30
1000 3.48 1.06
Nearzone Nearzone range Upper null zone
threshold
(mV)
ft m
800 2.03 0.62
900 3.28 1.00
930 2.56 0.78
800 2.03 0.62
1100 4.27 1.30
1000 2.53 0.77
800 2.03 0.62
1000 3.61 1.10
900 4.59 1.40
February 2020
(1)
ft m
0.541 0.165
0.492 0.150
0.492 0.150
0.492 0.150
0.591 0.180
0.492 0.150
0.738 0.225
0.820 0.250
0.492 0.150
(1)
ft m
0.541 0.165
0.492 0.150
0.492 0.150
0.492 0.150
0.591 0.180
0.492 0.150
0.738 0.225
0.820 0.250
0.492 0.150
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