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6.3 Shortening of the probe
6.3.1 How to shorten the rod and to determine its length L
The rod can be shortened to adapt the probe to different tank heights�
Ensure that the probe length is never below the minimum permissible
probe length of 10 cm (L
min
)! The unit does not support probe lengths below
10 cm� If shorter probes are used, measurement errors can occur�
Proceed as follows:
► Screw the rod to the unit�
► Mark the desired length (L) on the rod� The
reference point is the lower edge of the
process connection�
► Remove the rod from the unit�
► Shorten the rod at the mark�
► Remove all burrs and sharp edges�
► Screw the rod to the unit again and tighten
it� Recommended tightening torque: 4 Nm�
► Precisely measure the probe length L,
note the value� It must be entered during
parameter setting of the unit (→ 10.2).
L
min
L
L
min
= 10 cm
6.3.2 Shortening of the coaxial pipe
The coaxial pipe and the rod must be of the same end length:
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