VEGA VEGASON 61 4 … 20 mA_HART - four-wire - Manual (Page 16)

16
4 Mounting
VEGASON 61 • 4 … 20 mA/HART - four-wire
28778-EN-130417
By using a standpipe (surge or bypass tube), the influence of vessel
installations, foam generation and turbulence is excluded.
Standpipes must extend all the way down to the requested min. level,
as measurement is only possible within the tube.
max.
min.
1
Fig. 14: Standpipe in the tank
1 Vent hole: ø 5 … 10 mm (0.197 … 0.394 in)
VEGASON 61 can be used from tube diameters of 40 mm (1.575 in).
Avoid large gaps and thick welding joints when connecting the tubes.
Generally carry out a false echo storage.
Measurement in a standpipe is not recommended for extremely
adhesive products.
Standpipe measurement