15
UK
• For probe lengths > 70 cm the rod can be considerably deflected by movement
of the medium� To avoid contacting the tank wall or other structures in the tank
in such cases, the minimum distances should be increased� Reference values:
Probe length Distance to the tank wall or structures in the tank
70���100 cm 100 mm
100���160 cm 180 mm
• If the medium is strongly polluted, there is the risk that a bridge forms
between the rod and the tank wall or structures in the tank� To avoid incorrect
measurements: adhere to increased minimum distances depending on type
and intensity of the soiling�
• For installation in pipes:
- The inside pipe diameter (d) must be at least 100 mm (fig� 6-1)�
- Only install the unit in metal pipes�
• For installation in connection pieces:
- The diameter of the boss (d) must be at least 60 mm (fig� 6-2)�
- The height of the boss (h) must not exceed 40 mm (fig� 6-2)�
Although the unit can be installed in a boss, installation in a flat tank lid is
recommended� A boss will impede the distribution of the microwaves�
Fig. 6-1 Fig. 6-2
d
d
h
• Do not install the unit in the immediate vicinity of a fill opening (fig� 6-3)� If
possible, install a fill pipe (A) in the tank (fig� 6-4)� Minimum distance between
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