User Manual

INSTALLATION 3
35
OPTIWAVE 7400-24 C
www.krohne.com12/2015 - 4003518001 - MA OPTIWAVE7400-24-R01-en
3.8 How to attach antenna extensions
Equipment needed:
• 3 mm Allen wrench (not supplied)
Equipment needed (not supplied):
• Torque wrench 200 Nm (for the H30 head of the Drop antenna sub-assembly)
• 3mm Allen wrench
Horn antenna - antenna extensions
Figure 3-16: Horn 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.