6
3 Mounting
OPTISOUND3020 C • Two-wire 4 … 20 mA/HART
62687-EN-190926
3 Mounting
3.1 Mounting instructions
The reference plane for the measuring range is the lower edge of the
transducer.
Make sure that a minimum distance from the reference plane - the
so-called dead zone, in which measurement is not possible - is
maintained. The exact value of the dead zone is stated in chapter
"
Technical data
".
1
2
Fig. 1: Minimum distance to the max. level
1 Dead zone
2 Reference plane
Mount the sensor at least 200 mm (7.874 in) away from the vessel
wall.
1
2
> 200 mm
Fig. 2: Mounting on round vessel tops
1 Reference plane
2 Vessel center or symmetry axis
Reference plane for
measuring range
Mounting