Endress+Hauser cerabar S PMC Series - Installation; Mounting Instructions Without Diaphragm Seal (PMC;PMP 731)

2 Installation
This Section describes:
•
the mechanical installation of Cerabar S with and without diaphragm seals
•
the electrical connection
2.1 Mounting instructions without diaphragm seal (PMC/PMP 731)
Cerabar S
without diaphragm seal
– PMC 731
– PMP 731
The Cerabar S without diaphragm seal is mounted in the same way as a manometer
(DIN EN 839-2). The use of shut-off valves and pigtails is recommended. Its position
depends upon the application.
•
Measurement in gases:
Mount the shut-off valve above the
tapping point so that condensate can
run back into the process.
•
Measurement in steam:
Mount with a below the tapping point.
The pigtail reduces the temperature in
front of the diaphragm to almost
ambient temperature. The pigtail must
be filled with fill fluid before start-up.
0 - 10 bar
BA187Y09
Figure 2.1
Mounted on a shut-off valve for
measuring gases
0 - 10 bar
BA187Y10
Figure 2.2
Mounted with U-shaped pigtail
for measuring steam/vapour
0 - 10 bar
BA187Y08
Figure 2.3
Mounted with circular pigtail for
measuring steam/vapour
Cerabar S 2 Installation
Endress+Hauser 11