Vega VEGAPULS C 23 User Manual

17
4 Mounting
VEGAPULS C 23 • Modbus and Levelmaster protocol
58349-EN-200806
4.4 Measurement setup - Flow
In general, the following must be observed while mounting the device:
•
Mounting the sensor on the upstream or inlet side
•
Installationinthecentreoftheumeandverticaltotheliquid
surface
•
DistancetotheoverfalloriceorVenturiume
•
Min. distance to the max. height of damming for optimum accu-
racy: 250 mm (9.843 in)
2)
Detailed project planning data can be found at the channel manufac-
turers and in the technical literature.
Thefollowingexamplesserveasanoverviewforowmeasurement.
3 ... 4 h
max
90°
2
3
1
h
max
≥ 2 x h
max
90°
42 3
≥ 250 mm
(
9.84")
≥ 250 mm
(
9.84")
Fig. 16: Flow measurement with rectangular ume: h
max.
= max. lling of the
rectangular ume
1 Overfall orice (side view)
2 Upstream water
3 Tailwater
4 Overfall orice (view from tailwater)
Rectangular overfall
2)
At smaller distances the measuring accuracy is reduced, see "Technical
data".

Vega VEGAPULS C 23 Specifications

General

Brand	Vega
Model	VEGAPULS C 23
Category	Accessories
Language	English