Prosonic S FDU91/92/93/95/96
E Hauser
7
Potential equalisation
(for FDU93/95/96 and FDU83/84/85/86)
The ground lead (GNYE) must be connected to the local potential equalisation. This can be done
• at the terminal box (B)
• at the transmitter FMU90 or in the cabinet (C)
Installation conditions
Installation options
(Examples)
L00-FDU9xxxx-17-00-00-xx-001
A:
at girder or angle bracket;
B:
with alignment unit FAU40; in ATEX Zone 20 the alignment unit can be used for zone
separation;
C:
with a 1" sleeve welded to a grating
L00-FDU9xxxx-17-00-00-xx-007
A:
Installation with cantilever and wall bracket;
B:
Installation with cantilever and mounting frame;
C:
The cantilever can
be swivelled in order to position the sensor over the centre of the flume.
Cantilever, wall bracket and mounting frame are available as accessories (see chapter "Accessories").
"
Caution!
The cable of the sensors is not designed as a supporting cable. Do not use it as a suspension wire.
"
Caution!
The sensor membrane is part of the measuring system and must not be damaged during installation.
A
B
C
Zone 20
-
Zone 21
-
.
FAU40
A
B
C
FDU9x
FDU9x
