Endress+Hauser Deltapilot M FMB51 - 6.11 Level Measurement

Commissioning Cerabar M, Deltabar M, Deltapilot M / 4...20 mA HART
80 Endress+Hauser
6.11 Level measurement (Deltabar M)
6.11.1 Preparatory steps
Open container
!
Note!
• Before calibrating the device, the impulse piping must be cleaned and filled with fluid. See the
following table.
Valves Meaning Installation
1 Fill container to a level above the lower tap.
P01-PMD55xxx-11-xx-xx-xx-008
Open container
IDeltabar M
II Separator
6 Vent valves on Deltabar M
AShut-off valve
B Drain valve
2 Fill measuring system with fluid.
Open A. Open shut-off valve.
3Vent device.
Open 6 briefly, then close it
again.
Fill device completely with
fluid and remove air.
4 Set measuring point in operation.
Now
– B and 6 are closed.
– A is open.
5 Carry out calibration according to one of the following
methods:
• "in pressure" - with reference pressure ( ä 84)
• "in pressure" - without reference pressure ( ä 58)
• "in heigth" - with reference pressure ( ä 90)
• "in height" - without reference pressure ( ä 90)
+
A
B
II
I
p
atm
–
P2
+
P1
6