KROHNE OPTISWITCH 3100C NAMUR EN - Manual (Page 13)

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Fig. 5: Orientation of the tuning fork in case of flow
1 Marking with screwed version
2 Direction of flow
In case of horizontal mounting in adhesive products, the
surfaces of the tuning fork should be vertical in order to reduce
buildup on the blades. On the screwed version you will find a
marking on the hexagon. With this, you can check the position
of the tuning fork when screwing it in. When the hexagon
touches the seal, the thread can be still turned by approx. half
a turn. This is sufficient to reach the recommended installation
position.
With flange versions, the fork is directed to the flange holes.
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Fig. 6: Vertical installation - marking
1 Marking on top with screwed version
In applications such as grit chambers or settling basins for
coarse sediments, the vibrating element must be protected
against damage with a suitable baffle.
This baffle must be manufactured by you.
Adhesive products
Baffle protection against fall-
ing rocks
OPTISWITCH 3100 C - with NAMUR output 13
Mounting
31356
-EN
-060830