18
4 Mounting
VEGASON 62 • Profibus PA
28785-EN-150603
max.
min.
1
Fig. 14: Standpipe in the tank
1 Vent hole: ø 5 … 10 mm (0.197 … 0.394 in)
VEGASON 62 can be used from tube diameters of 50 mm (1.969 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.
The short examples give you introductory information on the flow
measurement. Detailed planning information is available from flume
manufacturers and in special literature.
3 ... 4 h
max
≥ 50 mm
90°
2
3
1
h
ma
x
d
mi
n
≥ 2 mm x
h
ma
x
90°
4
2
3
Fig. 15: Flow measurement with rectangular flume: d
min.
= min. distance of the
sensor (see chapter "Technical data"); h
max.
= max. filling of the rectangular
flume
1 Overflow orifice (side view)
2 Headwater
3 Tail water
4 Overfall orifice (view from bottom water)
In general, the following points must be observed:
•
Install the sensor on the headwater side
Flow measurement with
rectangular flume
