INSTALLATION
2
17
OPTIWAVE 7300 C
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04/2009 - 4000050002 - QS OPTIWAVE 7300 R05 en
2.8.3 Bypass chambers
Install a bypass chamber next to the tank if:
•
There is highly conductive foam in the tank.
•
The liquid is very turbulent or agitated.
•
There are too many obstacles in the tank.
Figure 2-14: Installation recommendations for bypass chambers
1
Bypass chamber
2
Clearance between the antenna and the wall of the stilling well <2.5 mm / 0.1
¨
for a high-dielectric constant liquid
3
Sudden change in well diameter <1 mm / 0.04
¨
CAUTION!
Installation requirements
•
The bypass chamber must be electrically conductive.
•
The inside diameter of the bypass chamber must not be more than 5 mm / 0.2
¨
over the
diameter of the antenna (for a high-dielectric constant liquid).
•
The bypass chamber must be straight.
•
The bypass chamber must have a surface roughness of
±
0.1 mm / 0.004
¨
.
•
There must be no sudden changes in internal diameter greater than 1 mm / 0.04
¨
.
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