KROHNE OPTISWITCH 5200C Contactless EN - Manual (Page 15)

a longer tube version be necessary, you can provide a suitable
support or guy directly above the tuning fork to secure the
extension tube.
This measure applies particularly to applications in Ex areas
category 1G or WHG. Make sure that the tube is not bent by
this measure.
Fig. 9: Lateral straining of OPTISWITCH 5200 C, 5250 C
OPTISWITCH 5200 C, 5250 C - with contactless electronic switch 15
Mounting
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-EN
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