47
Reference Manual
00809-0100-4024, Rev CA
Mechanical Installation
March 2020
Mechanical Installation
Non-standard extended cone antenna
To adjust the TCL value do the following:
1. Start the Radar Master configuration software.
2. From the Antenna Type drop down list choose User-Defined.
3. Enter the new TCL value.
Use the following formula to calculate the appropriate Tank Connection Length (TCL):
TCL
ext
= TCL
cone
+ K*(L
ext
- L
antenna
)
where:
TCL
ext
= the TCL adjusted to the extended cone antenna
(See
).
TCL
cone
= the default TCL for a standard cone antenna without extension. Note that there are different
TCL values for tank sealing PTFE and Quartz, see
.
L
ext
= the measured length of the extended cone antenna.
L
antenna
= the length of the standard cone antenna without extension.
K = a constant related to the antenna inner diameter.
2.10.2
Setting the Hold Off distance
To set a new Hold Off distance do the following:
1. Start the configuration software.
2. In the Hold Off/New input field type the desired Hold Off distance.
Use the following formula in order to calculate the appropriate Hold Off (H) distance:
H=1.2 L
ext
(H=0.03 L
ext
)
where:
L
ext
is the length of the extended cone antenna
Table 2-8. Non-Standard Extended Cone Antenna
Antenna type
3-in. (68-mm)
diameter
4-in. (90-mm)
diameter
6-in. (138-mm)
diameter
K
0.035
0.020
0.008
L
antenna
0.094
0.148
0.261
TCL
cone
/PTFE
0.475
0.475
0.475
TCL
cone
/Quartz
0.515
0.515
0.515
Содержание Rosemount 5600 Series
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