Vega VEGADIF 65 4 … 20 mA Bedienungsanleitung PDF herunterladen (Seite 15)

4Mounting

VEGADIF 65 • 4 … 20 mA

36236-EN-130417

4 Mounting

4.1 General instructions to use the instrument

Makesurethatallpartsoftheinstrumentcomingindirectcontact

withtheprocess,especiallythesensorelement,processsealand

processtting,aresuitablefortheexistingprocessconditions,such

asprocesspressure,processtemperatureaswellasthechemical

properties of the medium.

Youcanndthespecicationsinchapter"Technical data" and on the

nameplate.

Usetherecommendedcables(seechapter"Connecting to power

supply") and tighten the cable gland.

You can give the instrument additional protection against moisture

penetrationbyleadingtheconnectioncabledownwardinfrontofthe

cableentry.Rainandcondensationwatercanthusdraino.Thisap-

pliesmainlytooutdoormountingaswellasinstallationinareaswhere

high humidity is expected (e.g. through cleaning processes) or on

cooled or heated vessels.

Theventilationfortheelectronicshousingisrealisedviaalterele-

ment in the vicinity of the cable glands.

Fig. 10: Position of the lter element with single and double chamber housing

1 Filter element for ventilation of the electronics housing

2 Blind plug

Information:

Makesurethatthelterelementisalwaysfreeofbuildupduring

operation. A high-pressure cleaner may not be used for cleaning.

DPowelementsarecalculatedforcertainpipelineandoperating

data. Therefore, check the pipeline data before installation at the

measuring point and compare the measurement loop number.

Suitability for the process

conditions

Moisture

entilation

Eectivepressuretrans-

mitter

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 87 88

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Vega VEGADIF 65 4 … 20 mA Bedienungsanleitung Seite 15