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) Profibus PA Approval according to LPR radio standard User Manual

Page 23

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background image

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 • Approval according to LPR radio standard

23

4 Mounting

41720

-

EN

-120301

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