KROHNE OPTISWITCH 3200C Relay EN - Manual (Page 11)

The vibrating level switch is a measuring instrument and must
be treated accordingly. Bending the vibrating element will
destroy the instrument.
Warning:
The housing must not be used to screw in the instrument!
Applying tightening force on the housing can damage its
internal mechanical parts.
To screw in, use the hexagon above the thread.
4.2 Mounting instructions
Make sure that the max. permissible tensile load of the
suspension cable is not exceeded. The danger of this
happening exists particularly with very heavy solids and large
meas. lengths. The max. permissible load is stated under
"Technical data" in the "Supplement".
In silos for bulk solids, material cones can form and change the
switching point. Please keep this in mind when installing the
sensor in the vessel. We recommend selecting an installation
location where the vibrating fork detects an average value of
the material cone.
The tuning fork must be mounted at a location that takes the
arrangement of the filling and emptying apertures into account.
To compensate measurement errors caused by the material
cone in cylindrical vessels, the sensor must be mounted at a
distance of d/6 from the vessel wall.
Handling
Tensile load
Material cone
OPTISWITCH 3200 C - with relay output 11
Mounting
29957
-EN
-060830