C6097 · Edition 01.19
14
Project planning information
4 .2 Ports
4 .2 .1 CE certified pressure switches
Rp ¼"
Rp
1
/
8
"
Rp ¼"
Rp
1
/
8
"
2
3
4
1
Positive ressure
Connect
Seal
Free*
C6097
1
2
3 or 4
2
1
3 or 4
Negative ressure
Connect
Seal
Free*
C6097
4
3
1 or 2
3
4
1 or 2
*
It is recommended that the port which is best protected from water
and dirt be left open.
Differential
pressure
Connect
Seal
for the higher
absolute
pressure
for the lower
absolute
pressure
C6097
1 or 2
3 or 4
Seal ports that
are not in use
Ports
3
and
4
are connected to the micro switch cham-
ber.
Pipes carrying gas must not be connected to port
3
or
4
!
The port that is best protected against soiling (dust/hu-
midity) is to be left open for ventilation (positive pres-
sure measurement) to the atmosphere.
