KROHNE OPTIWAVE 7300C Quickstart EN - Manual (Page 18)

2
INSTALLATION
18
OPTIWAVE 7300 C
www.krohne.com 03/2014 - 4000050005 - QS OPTIWAVE 7300 R08 en
2.9.4 How to attach antenna extensions
Equipment needed:
• 3 mm Allen wrench (not supplied)
For more data, refer to the handbook.
Equipment needed (not supplied):
• Torque wrench 200 Nm (for the H30 head of the Drop antenna sub-assembly)
• 3 mm Allen wrench
For more data, refer to the handbook.
Horn antenna - antenna extensions
Figure 2-21: Horn antenna - how to attach antenna extensions
Drop antenna - antenna extensions
Figure 2-22: Drop antenna - how to attach antenna extensions
INFORMATION!
Drop antenna:
Drop antenna: Drop antenna: Drop antenna: Antenna extensions can only be attached below flanges without the PP/PTFE
flange plate option
CAUTION!
Drop antenna:
Drop antenna: Drop antenna: Drop antenna: Make sure that there are not more than 5 antenna extensions attached to a device
with a Drop antenna. If there are more than 5 antenna extensions, the device will not measure
correctly.
Make sure that you put an o-ring 4 into the groove at the top of each antenna extension.