Mounting Instructions - Siemens SITRANS LG250 Operating Instructions Manual

Guided wave radar, foundation fieldbus coax probe

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Installation position

Welding work

Inflowing medium

4.2

Mounting instructions

During operation, the probe must not touch any installations or the

vessel wall. If necessary, fasten the probe end.

In vessels with conical bottom it can be advantageous to mount the

sensor in the center of the vessel, as measurement is then possible

nearly down to the lowest point of the bottom. Keep in mind that

measurement all the way down to the tip of the probe may not be pos-

sible. The exact value of the min. distance (lower dead band) is stated

in chapter "Technical data".

Fig. 4: Vessel with conical bottom

Before beginning the welding work, remove the electronics module

from the sensor. By doing this, you avoid damage to the electronics

through inductive coupling.

Do not mount the instruments in or above the filling stream. Make sure

that you detect the product surface, not the inflowing product.

Fig. 5: Mounting of the sensor with inflowing medium

SITRANS LG250 - Operating Instructions

PBD-51041056

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