Vega VEGABAR 81 Modbus and Levelmaster protocol - Opera Bedienungsanleitung Seite 16

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4 Mounting
VEGABAR 81 • Modbus and Levelmaster protocol
46293-EN-131107
Atmospheric pressure compensation (with relative pressure meas-
uring ranges)
1
Fig. 8: Position of the lter element - IP 69K version
1 Filter element
Instruments with absolute pressure have a blind plug mounted
insteadofthelterelement.
4.3 Process pressure measurement
Keep the following in mind when setting up the measuring system:
Mount the instrument above the measuring point
Possiblecondensationcanthendrainointotheprocessline.
1
2
3
Fig. 9: Measurement setup for process pressure measurement of gases in
pipelines
1 VEGABAR 81
2 Blocking valve
3 Pipeline
Keep the following in mind when setting up the measuring system:
Connect via a siphon
Do not insulate the siphon
Fill the siphon with water before setup
Measurement setup in
gases
Measurement setup in
vapours
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