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Table C-3: Legacy (Rosemount 5402) Antenna Parameters, Free Propagation
Antenna type
Model
code
Tank connection
length
Antenna
gain
Nearzone
threshold
(mV)
Nearzone range Upper null zone
ft
m
ft
m
ft
m
2-in. SST cone
2S
0.509
0.155
2.45
4500
5.09
1.55
0.541
0.165
2-in. cone with
protective plate
2H, 2M, 2N 0.509
0.155
2.45
5000
5.25
1.60
0.492
0.150
2-in. process seal
2P
0.929
0.283
3.4
3400
4.13
1.26
0.492
0.150
3-in. SST cone
3S
0.509
0.155
1.4
1170
3.38
1.03
0.492
0.150
3-in. cone with
protective plate
3H, 3M, 3N 0.509
0.155
1.4
4400
5.41
1.65
0.591
0.180
3-in. process seal
3P
1.191
0.363
1.7
3400
4.13
1.26
0.492
0.150
4-in. SST cone
4S
0.509
0.155
0.9
1170
3.38
1.03
0.738
0.225
4-in. cone with
protective plate
4H, 4M, 4N 0.509
0.155
0.9
2400
4.27
1.30
0.820
0.250
4-in. process seal
4P
1.316
0.401
0.8
1000
3.48
1.06
0.492
0.150
(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
Tank connection
length
Antenna
gain
Nearzone
threshold
(mV)
Nearzone range Upper null zone
ft
m
ft
m
ft
m
2-in. SST cone
2S
0.509
0.155
0.035
800
2.03
0.62
0.541
0.165
2-in. cone with
protective plate
2H, 2M, 2N 0.509
0.155
0.035
900
3.28
1.00
0.492
0.150
2-in. process seal
2P
0.929
0.283
0.035
930
2.56
0.78
0.492
0.150
3-in. SST cone
3S
0.509
0.155
0.035
800
2.03
0.62
0.492
0.150
3-in. cone with
protective plate
3H, 3M, 3N 0.509
0.155
0.035
1100
4.27
1.30
0.591
0.180
3-in. process seal
3P
1.191
0.363
0.035
1000
2.53
0.77
0.492
0.150
4-in. SST cone
4S
0.509
0.155
0.035
800
2.03
0.62
0.738
0.225
4-in. cone with
protective plate
4H, 4M, 4N 0.509
0.155
0.035
1000
3.61
1.10
0.820
0.250
4-in. process seal
4P
1.316
0.401
0.035
900
4.59
1.40
0.492
0.150
(1)
Default setting. The Upper Null Zone may need to be increased if there are disturbance echoes in the region close to the
antenna.
Reference Manual
Configuration parameters
00809-0100-4408
February 2020
Rosemount 5408 and 5408:SIS Level Transmitters
265
Содержание Rosemount 5408
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Страница 8: ...Contents Reference Manual February 2020 00809 0100 4408 viii Reference Manual ...
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Страница 72: ...Mechanical installation Reference Manual February 2020 00809 0100 4408 72 Reference Manual ...
Страница 100: ...Operation Reference Manual February 2020 00809 0100 4408 100 Reference Manual ...
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