Vega VEGABAR 81 Modbus and Levelmaster protocol - Opera Bedienungsanleitung PDF herunterladen (Seite 14)

4 Mounting

VEGABAR 81 • Modbus and Levelmaster protocol

46293-EN-131107

1 2 3

6 6

Fig. 5: Position of the lter element - non-Ex, Ex-ia and Ex-d-ia version

1 Single chamber housing plastic, stainless steel (precision casting)

2 Single chamber housing Aluminium

3 Single chamber housing, stainless steel electropolished

4 Double chamber housing plastic

5 Double chamber housing Aluminium

6 Filter element

With the following instruments a blind plug is installed instead of the

lterelement:

•

Instruments in protection IP 66/IP 68 (1 bar) - ventilation via capil-

lariesinxconnectedcable

•

Instruments with absolut pressure

Thelterelementisintegratedintheprocessassembly.Itislocatedin

a rotatable metal ring and has the following function:

•

Atmospheric pressure compensation (with relative pressure meas-

uring ranges)

Turnthemetalringinsuchawaythatthelterelementpointsdown-

ward after installtion of the instrument. This provides better protection

against buildup.

Instruments in Ex-d ver-

sion

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 91 92

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Vega VEGABAR 81 Modbus and Levelmaster protocol - Opera Bedienungsanleitung Seite 14