17
4 Mounting
WIKA Operating Instructions - Process pressure transmitter CPT-2x
1
2
3
6
6
6
6
6
5
4
Fig. 11: Position of the filter element
1 Plastic, stainless steel single chamber (precision casting)
2 Aluminium - single chamber
3 Stainless steel single chamber (electropolished)
4 Plastic double chamber
5 Aluminium - double chamber
6 Filter element
With the following instruments a blind plug is installed instead of the
filter element:
•
Instruments in protection IP66/IP68 (1 bar) - ventilation via capillar-
ies in non-detachable cable
•
Instruments with absolute pressure
→
Turn the metal ring in such a way that the filter element points
downward after installation of the instrument. This provides better
protection against buildup.
1
2
Fig. 12: Position of the filter element - Ex-d version
1 Rotatable metal ring
2 Filter element
Instruments with absolute pressure have a blind plug mounted
instead of the filter element.
Filter element - Position
Filter element - Position
Ex-d version