Install the sensor on the headwater side, Distance to the overfall orifice, Distance of orifice opening above ground – VEGA VEGAPULS 62 (≥ 2.0.0 - ≥ 4.0.0) 4 … 20 mA_HART - two-wire, approval according to LPR radio standard User Manual
Page 23
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3 ... 4 h
max
≥ 50 mm
90°
2
3
1
h
m
a
x
d
m
in
≥
2
m
m
x
h
m
a
x
90°
4
2
3
Fig. 16: 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:
l
Install the sensor on the headwater side
l
Installation in the centre of the flume and vertical to the liquid
surface
l
Distance to the overfall orifice
l
Distance of orifice opening above ground
l
Min. distance of the orifice opening to bottom water
l
Min. distance of the sensor to max. storage level
VEGAPULS
62 • 4 … 20 mA/HART - two-wire, approval according to LPR radio standard
23
4 Mounting
41718
-EN
-120301
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