Vega VEGABAR 81 Modbus and Levelmaster protocol - Opera Bedienungsanleitung Seite 12

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12
4 Mounting
VEGABAR 81 • Modbus and Levelmaster protocol
46293-EN-131107
4 Mounting
4.1 General instructions to use the instrument
Make sure that all parts of the instrument exposed to the process are
suitable for the existing process conditions.
These are mainly:
Active measuring component
Processtting
Process seal
Process conditions are particularly:
Process pressure
Process temperature
Chemical properties of the medium
Abrasionandmechanicalinuences
Youcanndthespecicationsoftheprocessconditionsinchapter
"Technical data" as well as on the nameplate.
Protect your instrument through the following measures against
moisture penetration:
Use the recommended cable (see chapter "Connecting to power
supply")
Tighten the cable gland
Loop the connection cable downward in front of the cable gland
This applies particularly to:
Outdoor mounting
Installations in areas where high humidity is expected (e.g. through
cleaning processes)
Installations on cooled or heated vessels
Oninstrumentswithprocessttingthread,thehexagonmustbetight-
enedwithasuitablescrewdriver.Wrenchsizeseechapter"Dimen-
sions".
Warning:
The housing must not be used to screw the instrument in! Applying
tightening force can damage internal parts of the housing.
In case of strong vibrations at the mounting location, the instrument
version with external housing should be used. See chapter "External
housing".
Higher process temperatures often mean also higher ambient
temperatures. Make sure that the upper temperature limits stated in
chapter "Technical data" for the environment of the electronics hous-
ing and connection cable are not exceeded.
Suitability for the process
conditions
Protection against mois-
ture
Screwing in
Vibrations
Temperature limits
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