Measurement Setup - Flow - Vega VEGAPULS C 21 Operating Instructions Manual

Radar sensor for continuous level measurement

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4 Mounting

Dam gauge

Deep well level

Fig. 11: Gauge measurement dam, sensor mounting on bracket

Fig. 12: Gauge measurement deep well, sensor mounting on lid

4.5

Measurement setup - Flow

In general, the following must be observed while mounting the sensor:

•

Mounting the sensor on the upstream or inlet side

•

Installation in the centre of the flume and vertical to the liquid

surface

•

Distance to the overfall orifice or Venturi flume

•

Min. distance to the max. height of damming for optimum accu-

racy: 250 mm (9.843 in)

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 flow measurement.

At smaller distances the measuring accuracy is reduced, see Technical data.

VEGAPULS C 21 • SDI-12

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