KROHNE OPTISOUND 3050 Ex ES - Manual (Page 21)

English
10. Mounting and installation
OPTISOUND 3040/3050 C VF3*4.GX***VD**X version with swivelling bracket have to be mounted
such that after positioning of the transducer by means of the swivelling bracket and after screwing of
the clamping flange, protection class IP65 between zone 20 and 21 is maintained.
For the version with swivelling bracket or thread please make sure that the assembling is carried out
correctly (please note chapter 4.2 “mounting procedure”).
OSOUND3040-3050C-G_V 30667-DE-050920 21