Installation
Deltabar S FMD77, FMD78, PMD75 with FOUNDATION Fieldbus
16
Hauser
4.3.2
Installation for level measurement
Level measurement in an open container with PMD75
P01-PMD75xxx-11-xx-xx-xx-003
Fig. 9:
Measuring arrangement for level measurement in an open container with PMD75
1
The negative side is open to atmospheric pressure
2
Deltabar S, here PMD75
3
Shutoff valve
4
Separator
5
Drain valve
• Mount the Deltabar S below the lower measuring connection so that the pressure piping
is always filled with liquid.
• The negative side is open to atmospheric pressure.
• When measuring in media with solid parts, such as dirty liquids, installing separators and
drain valves is useful for capturing and removing sediment.
Level measurement in an open container with FMD77
A0024164
Fig. 10:
Measuring arrangement for level measurement in an open container with FMD77
1
Deltabar S, here FMD77
2
The negative side is open to atmospheric pressure
• Mount the Deltabar S directly on the container.
23, Section 4.3.5 "Seal for flange
• The negative side is open to atmospheric pressure.
+
➃
➂
➀
➁
➄
p
atm
min.
p
atm
+
–
min.
max.
1
2
p
atm
p
atm
Содержание Deltabar S FMD77
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