Vega VEGADIF 65 4 … 20 mA Bedienungsanleitung PDF herunterladen (Seite 16)

4Mounting

VEGADIF 65 • 4 … 20 mA

36236-EN-130417

DetailedinstructionsformountingtheDPowelementarestatedin

DINENISO5167aswellasintheinstrumentdocumentationfromthe

respective manufacturer.

Youwillndgeneralrecommendationsfortheinstallationofeective

pressure lines in the corresponding national or international stand-

ards.Wheninstallingeectivepressurelinesoutdoors,consider

applyingsuitableanti-freezeprotection,e.g.tubeheating.Install

eectivepressurelineswithamonotonicdownwardslopeofatleast

10%.

In case of strong vibrations at the application position, the instrument

versionwithexternalelectronicsshouldbeused.

Higherprocesstemperaturesoftenmeanalsohigherambienttem-

peraturesforelectronicsandconnectioncable.Makesurethatthe

upper temperature limits stated in chapter "Technical data" for the

environment of the electronics housing and connection cable are not

exceeded.

4.2 Instructions for oxygen applications

Oxygenandothergasescanbeexplosivewhenbroughtintocontact

withoils,greaseandplastics,sothefollowingmeasuresmustalsobe

taken:

•

All components of the plant, such as e.g. measuring instru-

mentsmustbecleanedaccordingtotherequirementsofBAM

(DIN 19247)

•

Depending on the seal material, certain temperatures and pres-

sures must not be exceeded in oxygen applications, see chapter

"Technical data"

Danger:

Instruments for oxygen applications must be unpacked just before

mounting.Afterremovingtheprotectivecoveroftheprocesstting,

the label "O

"willbevisibleontheprocesstting.Penetrationofoil,

greaseanddirtshouldbeavoided.Dangerofexplosion!

4.3 Mounting and connection instructions

When connecting the VEGADIF 65 to the measurement loop, take

note of the plus/minus side of the process component. The plus side

ismarkedwitha"+",theminussidewitha"-" on the process compo-

nentnexttotheovalanges.

Eectivepressurelines

Vibrations

Temperature limits

Oxygen applications

Connection plus/minus

side

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